Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial:
Remove obsolete #include <linux/config.h>
remove obsolete swsusp_encrypt
arch/arm26/Kconfig typos
Documentation/IPMI typos
Kconfig: Typos in net/sched/Kconfig
v9fs: do not include linux/version.h
Documentation/DocBook/mtdnand.tmpl: typo fixes
typo fixes: specfic -> specific
typo fixes in Documentation/networking/pktgen.txt
typo fixes: occuring -> occurring
typo fixes: infomation -> information
typo fixes: disadvantadge -> disadvantage
typo fixes: aquire -> acquire
typo fixes: mecanism -> mechanism
typo fixes: bandwith -> bandwidth
fix a typo in the RTC_CLASS help text
smb is no longer maintained
Manually merged trivial conflict in arch/um/kernel/vmlinux.lds.S
diff --git a/Documentation/pcmcia/crc32hash.c b/Documentation/pcmcia/crc32hash.c
new file mode 100644
index 0000000..cbc36d2
--- /dev/null
+++ b/Documentation/pcmcia/crc32hash.c
@@ -0,0 +1,32 @@
+/* crc32hash.c - derived from linux/lib/crc32.c, GNU GPL v2 */
+/* Usage example:
+$ ./crc32hash "Dual Speed"
+*/
+
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+
+unsigned int crc32(unsigned char const *p, unsigned int len)
+{
+ int i;
+ unsigned int crc = 0;
+ while (len--) {
+ crc ^= *p++;
+ for (i = 0; i < 8; i++)
+ crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0);
+ }
+ return crc;
+}
+
+int main(int argc, char **argv) {
+ unsigned int result;
+ if (argc != 2) {
+ printf("no string passed as argument\n");
+ return -1;
+ }
+ result = crc32(argv[1], strlen(argv[1]));
+ printf("0x%x\n", result);
+ return 0;
+}
diff --git a/Documentation/pcmcia/devicetable.txt b/Documentation/pcmcia/devicetable.txt
index 3351c035..199afd1 100644
--- a/Documentation/pcmcia/devicetable.txt
+++ b/Documentation/pcmcia/devicetable.txt
@@ -27,37 +27,7 @@
The hex value after "pa" is the hash of product ID string 1, after "pb" for
string 2 and so on.
-Alternatively, you can use this small tool to determine the crc32 hash.
-simply pass the string you want to evaluate as argument to this program,
-e.g.
+Alternatively, you can use crc32hash (see Documentation/pcmcia/crc32hash.c)
+to determine the crc32 hash. Simply pass the string you want to evaluate
+as argument to this program, e.g.:
$ ./crc32hash "Dual Speed"
-
--------------------------------------------------------------------------
-/* crc32hash.c - derived from linux/lib/crc32.c, GNU GPL v2 */
-#include <string.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-
-unsigned int crc32(unsigned char const *p, unsigned int len)
-{
- int i;
- unsigned int crc = 0;
- while (len--) {
- crc ^= *p++;
- for (i = 0; i < 8; i++)
- crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0);
- }
- return crc;
-}
-
-int main(int argc, char **argv) {
- unsigned int result;
- if (argc != 2) {
- printf("no string passed as argument\n");
- return -1;
- }
- result = crc32(argv[1], strlen(argv[1]));
- printf("0x%x\n", result);
- return 0;
-}
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 2dc246a..86754eb 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -28,7 +28,6 @@
- block_dump
- drop-caches
- zone_reclaim_mode
-- zone_reclaim_interval
- panic_on_oom
==============================================================
@@ -167,18 +166,6 @@
shrink operation is global, may take a long time and free slabs
in all nodes of the system.
-================================================================
-
-zone_reclaim_interval:
-
-The time allowed for off node allocations after zone reclaim
-has failed to reclaim enough pages to allow a local allocation.
-
-Time is set in seconds and set by default to 30 seconds.
-
-Reduce the interval if undesired off node allocations occur. However, too
-frequent scans will have a negative impact onoff node allocation performance.
-
=============================================================
panic_on_oom
diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88
index 6cb63dd..00d9a1f 100644
--- a/Documentation/video4linux/CARDLIST.cx88
+++ b/Documentation/video4linux/CARDLIST.cx88
@@ -50,3 +50,4 @@
49 -> PixelView PlayTV P7000 [1554:4813]
50 -> NPG Tech Real TV FM Top 10 [14f1:0842]
51 -> WinFast DTV2000 H [107d:665e]
+ 52 -> Geniatech DVB-S [14f1:0084]
diff --git a/MAINTAINERS b/MAINTAINERS
index 6ddb9a8..42be131 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -925,23 +925,21 @@
EDAC-CORE
P: Doug Thompson
-M: norsk5@xmission.com, dthompson@linuxnetworx.com
-P: Dave Peterson
-M: dsp@llnl.gov, dave_peterson@pobox.com
+M: norsk5@xmission.com
L: bluesmoke-devel@lists.sourceforge.net
W: bluesmoke.sourceforge.net
-S: Maintained
+S: Supported
EDAC-E752X
-P: Dave Peterson
-M: dsp@llnl.gov, dave_peterson@pobox.com
+P: Mark Gross
+M: mark.gross@intel.com
L: bluesmoke-devel@lists.sourceforge.net
W: bluesmoke.sourceforge.net
S: Maintained
EDAC-E7XXX
-P: Dave Peterson
-M: dsp@llnl.gov, dave_peterson@pobox.com
+P: Doug Thompson
+M: norsk5@xmission.com
L: bluesmoke-devel@lists.sourceforge.net
W: bluesmoke.sourceforge.net
S: Maintained
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
index 487d7ad..b0242c6 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mm-armv.c
@@ -226,7 +226,7 @@
pte = pmd_page(*pmd);
pmd_clear(pmd);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
pte_lock_deinit(pte);
pte_free(pte);
pmd_free(pmd);
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 17184292..27d8ddd 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -176,7 +176,7 @@
config ACPI_SRAT
bool
default y
- depends on NUMA && (X86_SUMMIT || X86_GENERICARCH)
+ depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
select ACPI_NUMA
config HAVE_ARCH_PARSE_SRAT
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index b9358e5..567b39b 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -417,8 +417,14 @@
goto err_free;
perf = data->acpi_data;
- policy->cpus = perf->shared_cpu_map;
policy->shared_type = perf->shared_type;
+ /*
+ * Will let policy->cpus know about dependency only when software
+ * coordination is required.
+ */
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL ||
+ policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ policy->cpus = perf->shared_cpu_map;
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index d91815e..b77f135 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -398,8 +398,14 @@
dprintk(PFX "obtaining ACPI data failed\n");
return -EIO;
}
- policy->cpus = p->shared_cpu_map;
policy->shared_type = p->shared_type;
+ /*
+ * Will let policy->cpus know about dependency only when software
+ * coordination is required.
+ */
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL ||
+ policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ policy->cpus = p->shared_cpu_map;
/* verify the acpi_data */
if (p->state_count <= 1) {
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index 4eae03d..d535cdb 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -250,7 +250,9 @@
return err;
}
-static int msr_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+#ifdef CONFIG_HOTPLUG_CPU
+static int msr_class_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -269,6 +271,7 @@
{
.notifier_call = msr_class_cpu_callback,
};
+#endif
static int __init msr_init(void)
{
@@ -291,7 +294,7 @@
if (err != 0)
goto out_class;
}
- register_cpu_notifier(&msr_class_cpu_notifier);
+ register_hotcpu_notifier(&msr_class_cpu_notifier);
err = 0;
goto out;
@@ -314,7 +317,7 @@
class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
class_destroy(msr_class);
unregister_chrdev(MSR_MAJOR, "cpu/msr");
- unregister_cpu_notifier(&msr_class_cpu_notifier);
+ unregister_hotcpu_notifier(&msr_class_cpu_notifier);
}
module_init(msr_init);
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 8a1b882..6c86575 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -1937,3 +1937,9 @@
{
zap_low_mappings();
}
+
+void __init
+smp_setup_processor_id(void)
+{
+ current_thread_info()->cpu = hard_smp_processor_id();
+}
diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c
index a5152f1..bd98768 100644
--- a/arch/i386/mm/pgtable.c
+++ b/arch/i386/mm/pgtable.c
@@ -29,7 +29,6 @@
struct page *page;
pg_data_t *pgdat;
unsigned long i;
- struct page_state ps;
unsigned long flags;
printk(KERN_INFO "Mem-info:\n");
@@ -57,12 +56,13 @@
printk(KERN_INFO "%d pages shared\n", shared);
printk(KERN_INFO "%d pages swap cached\n", cached);
- get_page_state(&ps);
- printk(KERN_INFO "%lu pages dirty\n", ps.nr_dirty);
- printk(KERN_INFO "%lu pages writeback\n", ps.nr_writeback);
- printk(KERN_INFO "%lu pages mapped\n", ps.nr_mapped);
- printk(KERN_INFO "%lu pages slab\n", ps.nr_slab);
- printk(KERN_INFO "%lu pages pagetables\n", ps.nr_page_table_pages);
+ printk(KERN_INFO "%lu pages dirty\n", global_page_state(NR_FILE_DIRTY));
+ printk(KERN_INFO "%lu pages writeback\n",
+ global_page_state(NR_WRITEBACK));
+ printk(KERN_INFO "%lu pages mapped\n", global_page_state(NR_FILE_MAPPED));
+ printk(KERN_INFO "%lu pages slab\n", global_page_state(NR_SLAB));
+ printk(KERN_INFO "%lu pages pagetables\n",
+ global_page_state(NR_PAGETABLE));
}
/*
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index b487e22..47de9ee 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -70,6 +70,11 @@
bool
default y
+config DMA_IS_NORMAL
+ bool
+ depends on IA64_SGI_SN2
+ default y
+
choice
prompt "System type"
default IA64_GENERIC
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 8937318..d0f82c9 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -765,7 +765,6 @@
#endif /* MODULE */
EXPORT_SYMBOL_GPL(si_swapinfo);
EXPORT_SYMBOL_GPL(nr_threads);
-EXPORT_SYMBOL_GPL(get_full_page_state);
EXPORT_SYMBOL_GPL(nr_running);
EXPORT_SYMBOL_GPL(nr_iowait);
//EXPORT_SYMBOL_GPL(nr_context_switches);
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index 7165c8f..ab3b076 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -106,21 +106,21 @@
* serialized through the appldata_ops_lock and can use static
*/
static struct sysinfo val;
- static struct page_state ps;
+ unsigned long ev[NR_VM_EVENT_ITEMS];
struct appldata_mem_data *mem_data;
mem_data = data;
mem_data->sync_count_1++;
- get_full_page_state(&ps);
- mem_data->pgpgin = ps.pgpgin >> 1;
- mem_data->pgpgout = ps.pgpgout >> 1;
- mem_data->pswpin = ps.pswpin;
- mem_data->pswpout = ps.pswpout;
- mem_data->pgalloc = ps.pgalloc_high + ps.pgalloc_normal +
- ps.pgalloc_dma;
- mem_data->pgfault = ps.pgfault;
- mem_data->pgmajfault = ps.pgmajfault;
+ all_vm_events(ev);
+ mem_data->pgpgin = ev[PGPGIN] >> 1;
+ mem_data->pgpgout = ev[PGPGOUT] >> 1;
+ mem_data->pswpin = ev[PSWPIN];
+ mem_data->pswpout = ev[PSWPOUT];
+ mem_data->pgalloc = ev[PGALLOC_HIGH] + ev[PGALLOC_NORMAL] +
+ ev[PGALLOC_DMA];
+ mem_data->pgfault = ev[PGFAULT];
+ mem_data->pgmajfault = ev[PGMAJFAULT];
si_meminfo(&val);
mem_data->sharedram = val.sharedram;
@@ -129,7 +129,8 @@
mem_data->totalhigh = P2K(val.totalhigh);
mem_data->freehigh = P2K(val.freehigh);
mem_data->bufferram = P2K(val.bufferram);
- mem_data->cached = P2K(atomic_read(&nr_pagecache) - val.bufferram);
+ mem_data->cached = P2K(global_page_state(NR_FILE_PAGES)
+ - val.bufferram);
si_swapinfo(&val);
mem_data->totalswap = P2K(val.totalswap);
diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c
index 288de27..aa0fb2e 100644
--- a/arch/sparc/kernel/sys_sunos.c
+++ b/arch/sparc/kernel/sys_sunos.c
@@ -196,7 +196,7 @@
* simple, it hopefully works in most obvious cases.. Easy to
* fool it, but this should catch most mistakes.
*/
- freepages = get_page_cache_size();
+ freepages = global_page_state(NR_FILE_PAGES);
freepages >>= 1;
freepages += nr_free_pages();
freepages += nr_swap_pages;
diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c
index ae5b32f..87ebdf8 100644
--- a/arch/sparc64/kernel/sys_sunos32.c
+++ b/arch/sparc64/kernel/sys_sunos32.c
@@ -155,7 +155,7 @@
* simple, it hopefully works in most obvious cases.. Easy to
* fool it, but this should catch most mistakes.
*/
- freepages = get_page_cache_size();
+ freepages = global_page_state(NR_FILE_PAGES);
freepages >>= 1;
freepages += nr_free_pages();
freepages += nr_swap_pages;
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index dfd88b6..dffd118 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -6,9 +6,11 @@
#We #undef __x86_64__ for kernelspace, not for userspace where
#it's needed for headers to work!
-CFLAGS += -U__$(SUBARCH)__ -fno-builtin
-USER_CFLAGS += -fno-builtin
+CFLAGS += -U__$(SUBARCH)__ -fno-builtin -m64
+USER_CFLAGS += -fno-builtin -m64
CHECKFLAGS += -m64
+AFLAGS += -m64
+LDFLAGS += -m elf_x86_64
ELF_ARCH := i386:x86-64
ELF_FORMAT := elf64-x86-64
@@ -16,3 +18,4 @@
# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
+LINK-y += -m64
diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c
index 429ae8e..6d2cf32 100644
--- a/arch/um/drivers/stderr_console.c
+++ b/arch/um/drivers/stderr_console.c
@@ -8,10 +8,7 @@
/*
* Don't register by default -- as this registeres very early in the
- * boot process it becomes the default console. And as this isn't a
- * real tty driver init isn't able to open /dev/console then.
- *
- * In most cases this isn't what you want ...
+ * boot process it becomes the default console.
*/
static int use_stderr_console = 0;
@@ -43,3 +40,20 @@
return 1;
}
__setup("stderr=", stderr_setup);
+
+/* The previous behavior of not unregistering led to /dev/console being
+ * impossible to open. My FC5 filesystem started having init die, and the
+ * system panicing because of this. Unregistering causes the real
+ * console to become the default console, and /dev/console can then be
+ * opened. Making this an initcall makes this happen late enough that
+ * there is no added value in dumping everything to stderr, and the
+ * normal console is good enough to show you all available output.
+ */
+static int __init unregister_stderr(void)
+{
+ unregister_console(&stderr_console);
+
+ return 0;
+}
+
+__initcall(unregister_stderr);
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index c5c9885..624ca23 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -152,7 +152,7 @@
free_page(mmu->id.stack);
pte_lock_deinit(virt_to_page(mmu->last_page_table));
pte_free_kernel((pte_t *) mmu->last_page_table);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(virt_to_page(mmu->last_page_table), NR_PAGETABLE);
#ifdef CONFIG_3_LEVEL_PGTABLES
pmd_free((pmd_t *) mmu->last_pmd);
#endif
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
deleted file mode 100644
index 8fa2ae7..0000000
--- a/arch/um/kernel/time.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-#include <sys/time.h>
-#include <signal.h>
-#include <errno.h>
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
-#include "process.h"
-#include "time_user.h"
-#include "kern_constants.h"
-#include "os.h"
-
-/* XXX This really needs to be declared and initialized in a kernel file since
- * it's in <linux/time.h>
- */
-extern struct timespec wall_to_monotonic;
-
-extern struct timeval xtime;
-
-struct timeval local_offset = { 0, 0 };
-
-void timer(void)
-{
- gettimeofday(&xtime, NULL);
- timeradd(&xtime, &local_offset, &xtime);
-}
-
-static void set_interval(int timer_type)
-{
- int usec = 1000000/hz();
- struct itimerval interval = ((struct itimerval) { { 0, usec },
- { 0, usec } });
-
- if(setitimer(timer_type, &interval, NULL) == -1)
- panic("setitimer failed - errno = %d\n", errno);
-}
-
-void enable_timer(void)
-{
- set_interval(ITIMER_VIRTUAL);
-}
-
-void prepare_timer(void * ptr)
-{
- int usec = 1000000/hz();
- *(struct itimerval *)ptr = ((struct itimerval) { { 0, usec },
- { 0, usec }});
-}
-
-void disable_timer(void)
-{
- struct itimerval disable = ((struct itimerval) { { 0, 0 }, { 0, 0 }});
- if((setitimer(ITIMER_VIRTUAL, &disable, NULL) < 0) ||
- (setitimer(ITIMER_REAL, &disable, NULL) < 0))
- printk("disnable_timer - setitimer failed, errno = %d\n",
- errno);
- /* If there are signals already queued, after unblocking ignore them */
- set_handler(SIGALRM, SIG_IGN, 0, -1);
- set_handler(SIGVTALRM, SIG_IGN, 0, -1);
-}
-
-void switch_timers(int to_real)
-{
- struct itimerval disable = ((struct itimerval) { { 0, 0 }, { 0, 0 }});
- struct itimerval enable = ((struct itimerval) { { 0, 1000000/hz() },
- { 0, 1000000/hz() }});
- int old, new;
-
- if(to_real){
- old = ITIMER_VIRTUAL;
- new = ITIMER_REAL;
- }
- else {
- old = ITIMER_REAL;
- new = ITIMER_VIRTUAL;
- }
-
- if((setitimer(old, &disable, NULL) < 0) ||
- (setitimer(new, &enable, NULL)))
- printk("switch_timers - setitimer failed, errno = %d\n",
- errno);
-}
-
-void uml_idle_timer(void)
-{
- if(signal(SIGVTALRM, SIG_IGN) == SIG_ERR)
- panic("Couldn't unset SIGVTALRM handler");
-
- set_handler(SIGALRM, (__sighandler_t) alarm_handler,
- SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGVTALRM, -1);
- set_interval(ITIMER_REAL);
-}
-
-extern void ktime_get_ts(struct timespec *ts);
-#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
-
-void time_init(void)
-{
- struct timespec now;
-
- if(signal(SIGVTALRM, boot_timer_handler) == SIG_ERR)
- panic("Couldn't set SIGVTALRM handler");
- set_interval(ITIMER_VIRTUAL);
-
- do_posix_clock_monotonic_gettime(&now);
- wall_to_monotonic.tv_sec = -now.tv_sec;
- wall_to_monotonic.tv_nsec = -now.tv_nsec;
-}
-
-/* Defined in linux/ktimer.h, which can't be included here */
-#define clock_was_set() do { } while (0)
-
-void do_gettimeofday(struct timeval *tv)
-{
- unsigned long flags;
-
- flags = time_lock();
- gettimeofday(tv, NULL);
- timeradd(tv, &local_offset, tv);
- time_unlock(flags);
- clock_was_set();
-}
-
-int do_settimeofday(struct timespec *tv)
-{
- struct timeval now;
- unsigned long flags;
- struct timeval tv_in;
-
- if ((unsigned long) tv->tv_nsec >= UM_NSEC_PER_SEC)
- return -EINVAL;
-
- tv_in.tv_sec = tv->tv_sec;
- tv_in.tv_usec = tv->tv_nsec / 1000;
-
- flags = time_lock();
- gettimeofday(&now, NULL);
- timersub(&tv_in, &now, &local_offset);
- time_unlock(flags);
-
- return(0);
-}
-
-void idle_sleep(int secs)
-{
- struct timespec ts;
-
- ts.tv_sec = secs;
- ts.tv_nsec = 0;
- nanosleep(&ts, NULL);
-}
-
-/* XXX This partly duplicates init_irq_signals */
-
-void user_time_init(void)
-{
- set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
- SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
- SIGALRM, SIGUSR2, -1);
- set_handler(SIGALRM, (__sighandler_t) alarm_handler,
- SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
- SIGVTALRM, SIGUSR2, -1);
- set_interval(ITIMER_VIRTUAL);
-}
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index 87cdbc5..820fa36 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -96,11 +96,15 @@
void do_boot_timer_handler(struct sigcontext * sc)
{
+ unsigned long flags;
struct pt_regs regs;
CHOOSE_MODE((void) (UPT_SC(®s.regs) = sc),
(void) (regs.regs.skas.is_user = 0));
+
+ write_seqlock_irqsave(&xtime_lock, flags);
do_timer(®s);
+ write_sequnlock_irqrestore(&xtime_lock, flags);
}
static DEFINE_SPINLOCK(timer_spinlock);
@@ -125,25 +129,17 @@
unsigned long long nsecs;
unsigned long flags;
+ write_seqlock_irqsave(&xtime_lock, flags);
+
do_timer(regs);
- write_seqlock_irqsave(&xtime_lock, flags);
nsecs = get_time() + local_offset;
xtime.tv_sec = nsecs / NSEC_PER_SEC;
xtime.tv_nsec = nsecs - xtime.tv_sec * NSEC_PER_SEC;
+
write_sequnlock_irqrestore(&xtime_lock, flags);
- return(IRQ_HANDLED);
-}
-
-long um_time(int __user *tloc)
-{
- long ret = get_time() / NSEC_PER_SEC;
-
- if((tloc != NULL) && put_user(ret, tloc))
- return -EFAULT;
-
- return ret;
+ return IRQ_HANDLED;
}
void do_gettimeofday(struct timeval *tv)
@@ -174,18 +170,6 @@
clock_was_set();
}
-long um_stime(int __user *tptr)
-{
- int value;
-
- if (get_user(value, tptr))
- return -EFAULT;
-
- set_time((unsigned long long) value * NSEC_PER_SEC);
-
- return 0;
-}
-
int do_settimeofday(struct timespec *tv)
{
set_time((unsigned long long) tv->tv_sec * NSEC_PER_SEC + tv->tv_nsec);
diff --git a/arch/um/kernel/vmlinux.lds.S b/arch/um/kernel/vmlinux.lds.S
index f8aeb44..72acdce 100644
--- a/arch/um/kernel/vmlinux.lds.S
+++ b/arch/um/kernel/vmlinux.lds.S
@@ -1,3 +1,5 @@
+/* in case the preprocessor is a 32bit one */
+#undef i386
#ifdef CONFIG_LD_SCRIPT_STATIC
#include "uml.lds.S"
#else
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index c6432e7..560c806 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -55,7 +55,7 @@
*/
static int next(int fd, char *buf, int size, char c)
{
- int n;
+ int n, len;
char *ptr;
while((ptr = strchr(buf, c)) == NULL){
@@ -69,7 +69,17 @@
}
ptr++;
- memmove(buf, ptr, strlen(ptr) + 1);
+ len = strlen(ptr);
+ memmove(buf, ptr, len + 1);
+
+ /* Refill the buffer so that if there's a partial string that we care
+ * about, it will be completed, and we can recognize it.
+ */
+ n = read(fd, &buf[len], size - len - 1);
+ if(n < 0)
+ return -errno;
+
+ buf[len + n] = '\0';
return 1;
}
@@ -200,8 +210,11 @@
exit(1);
}
- if (lseek64(fd, len, SEEK_SET) < 0) {
- perror("os_seek_file");
+ /* Seek to len - 1 because writing a character there will
+ * increase the file size by one byte, to the desired length.
+ */
+ if (lseek64(fd, len - 1, SEEK_SET) < 0) {
+ perror("os_seek_file");
exit(1);
}
diff --git a/arch/um/sys-i386/sys_call_table.S b/arch/um/sys-i386/sys_call_table.S
index 1ff6147..2497554 100644
--- a/arch/um/sys-i386/sys_call_table.S
+++ b/arch/um/sys-i386/sys_call_table.S
@@ -7,8 +7,6 @@
#define sys_vm86old sys_ni_syscall
#define sys_vm86 sys_ni_syscall
-#define sys_stime um_stime
-#define sys_time um_time
#define old_mmap old_mmap_i386
#include "../../i386/kernel/syscall_table.S"
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index 67ba024..9e9ad72 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -19,12 +19,6 @@
/*#define sys_set_thread_area sys_ni_syscall
#define sys_get_thread_area sys_ni_syscall*/
-/* For __NR_time. The x86-64 name hopefully will change from sys_time64 to
- * sys_time (since the current situation is bogus). I've sent a patch to cleanup
- * this. Remove below the obsoleted line. */
-#define sys_time64 um_time
-#define sys_time um_time
-
/* On UML we call it this way ("old" means it's not mmap2) */
#define sys_mmap old_mmap
/* On x86-64 sys_uname is actually sys_newuname plus a compatibility trick.
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 46c1c33..5813d63 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3116,9 +3116,9 @@
BIO_BUG_ON(!bio->bi_io_vec);
bio->bi_rw |= rw;
if (rw & WRITE)
- mod_page_state(pgpgout, count);
+ count_vm_events(PGPGOUT, count);
else
- mod_page_state(pgpgin, count);
+ count_vm_events(PGPGIN, count);
if (unlikely(block_dump)) {
char b[BDEVNAME_SIZE];
diff --git a/drivers/acorn/block/Kconfig b/drivers/acorn/block/Kconfig
index 073add3..a0ff25e 100644
--- a/drivers/acorn/block/Kconfig
+++ b/drivers/acorn/block/Kconfig
@@ -3,7 +3,7 @@
#
menu "Acorn-specific block devices"
- depends on ARCH_ACORN
+ depends on ARCH_ARC || ARCH_A5K
config BLK_DEV_FD1772
tristate "Old Archimedes floppy (1772) support"
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 610d2cc..bc2652d 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -133,6 +133,13 @@
This driver adds support for ACPI fan devices, allowing user-mode
applications to perform basic fan control (on, off, status).
+config ACPI_DOCK
+ tristate "Dock"
+ depends on !ACPI_IBM_DOCK
+ default y
+ help
+ This driver adds support for ACPI controlled docking stations
+
config ACPI_PROCESSOR
tristate "Processor"
default y
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 5984b4f..f0a68ec 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -42,6 +42,7 @@
obj-$(CONFIG_ACPI_BUTTON) += button.o
obj-$(CONFIG_ACPI_EC) += ec.o
obj-$(CONFIG_ACPI_FAN) += fan.o
+obj-$(CONFIG_ACPI_DOCK) += dock.o
obj-$(CONFIG_ACPI_VIDEO) += video.o
obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o
obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 7839b83..36ca365 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -84,20 +84,18 @@
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_ac_get_state");
if (!ac)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error reading AC Adapter state\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state"));
ac->state = ACPI_AC_STATUS_UNKNOWN;
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -110,14 +108,13 @@
{
struct acpi_ac *ac = (struct acpi_ac *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_ac_seq_show");
if (!ac)
- return_VALUE(0);
+ return 0;
if (acpi_ac_get_state(ac)) {
seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
- return_VALUE(0);
+ return 0;
}
seq_puts(seq, "state: ");
@@ -133,7 +130,7 @@
break;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_ac_open_fs(struct inode *inode, struct file *file)
@@ -145,13 +142,12 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_ac_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
@@ -159,21 +155,18 @@
entry = create_proc_entry(ACPI_AC_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_AC_FILE_STATE));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_ac_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_ac_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_ac_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_AC_FILE_STATE, acpi_device_dir(device));
@@ -182,7 +175,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -194,13 +187,12 @@
struct acpi_ac *ac = (struct acpi_ac *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_notify");
if (!ac)
- return_VOID;
+ return;
if (acpi_bus_get_device(ac->handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_AC_NOTIFY_STATUS:
@@ -213,7 +205,7 @@
break;
}
- return_VOID;
+ return;
}
static int acpi_ac_add(struct acpi_device *device)
@@ -222,14 +214,13 @@
acpi_status status = AE_OK;
struct acpi_ac *ac = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
if (!ac)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(ac, 0, sizeof(struct acpi_ac));
ac->handle = device->handle;
@@ -249,8 +240,6 @@
ACPI_DEVICE_NOTIFY, acpi_ac_notify,
ac);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
@@ -265,7 +254,7 @@
kfree(ac);
}
- return_VALUE(result);
+ return result;
}
static int acpi_ac_remove(struct acpi_device *device, int type)
@@ -273,55 +262,49 @@
acpi_status status = AE_OK;
struct acpi_ac *ac = NULL;
- ACPI_FUNCTION_TRACE("acpi_ac_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
ac = (struct acpi_ac *)acpi_driver_data(device);
status = acpi_remove_notify_handler(ac->handle,
ACPI_DEVICE_NOTIFY, acpi_ac_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
acpi_ac_remove_fs(device);
kfree(ac);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_ac_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_ac_init");
acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
if (!acpi_ac_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_ac_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_ac_driver);
if (result < 0) {
remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_ac_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_ac_exit");
acpi_bus_unregister_driver(&acpi_ac_driver);
remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_ac_init);
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 1012284..cd57372 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -128,7 +128,6 @@
acpi_status status;
struct acpi_memory_info *info, *n;
- ACPI_FUNCTION_TRACE("acpi_memory_get_device_resources");
status = acpi_walk_resources(mem_device->handle, METHOD_NAME__CRS,
acpi_memory_get_resource, mem_device);
@@ -150,23 +149,21 @@
struct acpi_device *device = NULL;
struct acpi_device *pdevice = NULL;
- ACPI_FUNCTION_TRACE("acpi_memory_get_device");
if (!acpi_bus_get_device(handle, &device) && device)
goto end;
status = acpi_get_parent(handle, &phandle);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_get_parent\n"));
- return_VALUE(-EINVAL);
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent"));
+ return -EINVAL;
}
/* Get the parent device */
status = acpi_bus_get_device(phandle, &pdevice);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_bus_get_device\n"));
- return_VALUE(-EINVAL);
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device"));
+ return -EINVAL;
}
/*
@@ -175,30 +172,29 @@
*/
status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_bus_add\n"));
- return_VALUE(-EINVAL);
+ ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus"));
+ return -EINVAL;
}
end:
*mem_device = acpi_driver_data(device);
if (!(*mem_device)) {
printk(KERN_ERR "\n driver data not found");
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
{
unsigned long current_status;
- ACPI_FUNCTION_TRACE("acpi_memory_check_device");
/* Get device present/absent information from the _STA */
if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->handle, "_STA",
NULL, ¤t_status)))
- return_VALUE(-ENODEV);
+ return -ENODEV;
/*
* Check for device status. Device should be
* present/enabled/functioning.
@@ -206,9 +202,9 @@
if (!((current_status & ACPI_MEMORY_STA_PRESENT)
&& (current_status & ACPI_MEMORY_STA_ENABLED)
&& (current_status & ACPI_MEMORY_STA_FUNCTIONAL)))
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
@@ -217,13 +213,11 @@
struct acpi_memory_info *info;
int node;
- ACPI_FUNCTION_TRACE("acpi_memory_enable_device");
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "\nget_device_resources failed\n"));
+ printk(KERN_ERR PREFIX "get_device_resources failed\n");
mem_device->state = MEMORY_INVALID_STATE;
return result;
}
@@ -254,7 +248,7 @@
num_enabled++;
}
if (!num_enabled) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "\nadd_memory failed\n"));
+ printk(KERN_ERR PREFIX "add_memory failed\n");
mem_device->state = MEMORY_INVALID_STATE;
return -EINVAL;
}
@@ -269,7 +263,6 @@
union acpi_object arg;
unsigned long current_status;
- ACPI_FUNCTION_TRACE("acpi_memory_powerdown_device");
/* Issue the _EJ0 command */
arg_list.count = 1;
@@ -280,21 +273,21 @@
"_EJ0", &arg_list, NULL);
/* Return on _EJ0 failure */
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_EJ0 failed.\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "_EJ0 failed"));
+ return -ENODEV;
}
/* Evalute _STA to check if the device is disabled */
status = acpi_evaluate_integer(mem_device->handle, "_STA",
NULL, ¤t_status);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* Check for device status. Device should be disabled */
if (current_status & ACPI_MEMORY_STA_ENABLED)
- return_VALUE(-EINVAL);
+ return -EINVAL;
- return_VALUE(0);
+ return 0;
}
static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
@@ -302,7 +295,6 @@
int result;
struct acpi_memory_info *info, *n;
- ACPI_FUNCTION_TRACE("acpi_memory_disable_device");
/*
* Ask the VM to offline this memory range.
@@ -320,8 +312,6 @@
/* Power-off and eject the device */
result = acpi_memory_powerdown_device(mem_device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device Power Down failed.\n"));
/* Set the status of the device to invalid */
mem_device->state = MEMORY_INVALID_STATE;
return result;
@@ -336,7 +326,6 @@
struct acpi_memory_device *mem_device;
struct acpi_device *device;
- ACPI_FUNCTION_TRACE("acpi_memory_device_notify");
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
@@ -348,15 +337,14 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived DEVICE CHECK notification for device\n"));
if (acpi_memory_get_device(handle, &mem_device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in finding driver data\n"));
- return_VOID;
+ printk(KERN_ERR PREFIX "Cannot find driver data\n");
+ return;
}
if (!acpi_memory_check_device(mem_device)) {
if (acpi_memory_enable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_enable_device\n"));
+ printk(KERN_ERR PREFIX
+ "Cannot enable memory device\n");
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
@@ -364,14 +352,12 @@
"\nReceived EJECT REQUEST notification for device\n"));
if (acpi_bus_get_device(handle, &device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device doesn't exist\n"));
+ printk(KERN_ERR PREFIX "Device doesn't exist\n");
break;
}
mem_device = acpi_driver_data(device);
if (!mem_device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Driver Data is NULL\n"));
+ printk(KERN_ERR PREFIX "Driver Data is NULL\n");
break;
}
@@ -382,8 +368,8 @@
* with generic sysfs driver
*/
if (acpi_memory_disable_device(mem_device))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error in acpi_memory_disable_device\n"));
+ printk(KERN_ERR PREFIX
+ "Disable memory device\n");
/*
* TBD: Invoke acpi_bus_remove to cleanup data structures
*/
@@ -394,7 +380,7 @@
break;
}
- return_VOID;
+ return;
}
static int acpi_memory_device_add(struct acpi_device *device)
@@ -402,14 +388,13 @@
int result;
struct acpi_memory_device *mem_device = NULL;
- ACPI_FUNCTION_TRACE("acpi_memory_device_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
mem_device = kmalloc(sizeof(struct acpi_memory_device), GFP_KERNEL);
if (!mem_device)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(mem_device, 0, sizeof(struct acpi_memory_device));
INIT_LIST_HEAD(&mem_device->res_list);
@@ -422,7 +407,7 @@
result = acpi_memory_get_device_resources(mem_device);
if (result) {
kfree(mem_device);
- return_VALUE(result);
+ return result;
}
/* Set the device state */
@@ -430,22 +415,21 @@
printk(KERN_INFO "%s \n", acpi_device_name(device));
- return_VALUE(result);
+ return result;
}
static int acpi_memory_device_remove(struct acpi_device *device, int type)
{
struct acpi_memory_device *mem_device = NULL;
- ACPI_FUNCTION_TRACE("acpi_memory_device_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
mem_device = (struct acpi_memory_device *)acpi_driver_data(device);
kfree(mem_device);
- return_VALUE(0);
+ return 0;
}
static int acpi_memory_device_start (struct acpi_device *device)
@@ -453,8 +437,6 @@
struct acpi_memory_device *mem_device;
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_memory_device_start");
-
mem_device = acpi_driver_data(device);
if (!acpi_memory_check_device(mem_device)) {
@@ -464,7 +446,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error in acpi_memory_enable_device\n"));
}
- return_VALUE(result);
+ return result;
}
/*
@@ -477,16 +459,15 @@
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device_info *info;
- ACPI_FUNCTION_TRACE("is_memory_device");
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_ERROR);
+ return status;
info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID)) {
acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(AE_ERROR);
+ return AE_ERROR;
}
hardware_id = info->hardware_id.value;
@@ -495,7 +476,7 @@
status = AE_ERROR;
acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(status);
+ return status;
}
static acpi_status
@@ -504,21 +485,17 @@
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_memory_register_notify_handler");
status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_OK); /* continue */
+ if (ACPI_FAILURE(status)){
+ ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
+ return AE_OK; /* continue */
+ }
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify, NULL);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
- }
-
- return_ACPI_STATUS(status);
+ /* continue */
+ return AE_OK;
}
static acpi_status
@@ -527,22 +504,18 @@
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler");
status = is_memory_device(handle);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(AE_OK); /* continue */
+ if (ACPI_FAILURE(status)){
+ ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
+ return AE_OK; /* continue */
+ }
status = acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
- return_ACPI_STATUS(AE_OK); /* continue */
- }
- return_ACPI_STATUS(status);
+ return AE_OK; /* continue */
}
static int __init acpi_memory_device_init(void)
@@ -550,12 +523,11 @@
int result;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_memory_device_init");
result = acpi_bus_register_driver(&acpi_memory_device_driver);
if (result < 0)
- return_VALUE(-ENODEV);
+ return -ENODEV;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
@@ -563,19 +535,18 @@
NULL, NULL);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_memory_device_exit(void)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_memory_device_exit");
/*
* Adding this to un-install notification handlers for all the device
@@ -587,11 +558,11 @@
NULL, NULL);
if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed"));
acpi_bus_unregister_driver(&acpi_memory_device_driver);
- return_VOID;
+ return;
}
module_init(acpi_memory_device_init);
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 839f423..055cfd5 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -1232,7 +1232,7 @@
result = acpi_bus_register_driver(&asus_hotk_driver);
if (result < 0) {
remove_proc_entry(PROC_ASUS, acpi_root_dir);
- return -ENODEV;
+ return result;
}
/*
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 702e857..00b0728 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -132,17 +132,16 @@
struct acpi_buffer data = { 0, NULL };
union acpi_object *package = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_get_info");
if (!battery || !bif)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Evalute _BIF */
status = acpi_evaluate_object(battery->handle, "_BIF", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BIF\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
+ return -ENODEV;
}
package = (union acpi_object *)buffer.pointer;
@@ -151,7 +150,7 @@
status = acpi_extract_package(package, &format, &data);
if (status != AE_BUFFER_OVERFLOW) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BIF\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF"));
result = -ENODEV;
goto end;
}
@@ -165,7 +164,7 @@
status = acpi_extract_package(package, &format, &data);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BIF\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF"));
kfree(data.pointer);
result = -ENODEV;
goto end;
@@ -177,7 +176,7 @@
if (!result)
(*bif) = (struct acpi_battery_info *)data.pointer;
- return_VALUE(result);
+ return result;
}
static int
@@ -193,17 +192,16 @@
struct acpi_buffer data = { 0, NULL };
union acpi_object *package = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_get_status");
if (!battery || !bst)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Evalute _BST */
status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BST\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
+ return -ENODEV;
}
package = (union acpi_object *)buffer.pointer;
@@ -212,7 +210,7 @@
status = acpi_extract_package(package, &format, &data);
if (status != AE_BUFFER_OVERFLOW) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BST\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST"));
result = -ENODEV;
goto end;
}
@@ -226,7 +224,7 @@
status = acpi_extract_package(package, &format, &data);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BST\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST"));
kfree(data.pointer);
result = -ENODEV;
goto end;
@@ -238,7 +236,7 @@
if (!result)
(*bst) = (struct acpi_battery_status *)data.pointer;
- return_VALUE(result);
+ return result;
}
static int
@@ -248,25 +246,24 @@
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list arg_list = { 1, &arg0 };
- ACPI_FUNCTION_TRACE("acpi_battery_set_alarm");
if (!battery)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!battery->flags.alarm)
- return_VALUE(-ENODEV);
+ return -ENODEV;
arg0.integer.value = alarm;
status = acpi_evaluate_object(battery->handle, "_BTP", &arg_list, NULL);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Alarm set to %d\n", (u32) alarm));
battery->alarm = alarm;
- return_VALUE(0);
+ return 0;
}
static int acpi_battery_check(struct acpi_battery *battery)
@@ -277,18 +274,17 @@
struct acpi_device *device = NULL;
struct acpi_battery_info *bif = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_check");
if (!battery)
- return_VALUE(-EINVAL);
+ return -EINVAL;
result = acpi_bus_get_device(battery->handle, &device);
if (result)
- return_VALUE(result);
+ return result;
result = acpi_bus_get_status(device);
if (result)
- return_VALUE(result);
+ return result;
/* Insertion? */
@@ -300,7 +296,7 @@
result = acpi_battery_get_info(battery, &bif);
if (result)
- return_VALUE(result);
+ return result;
battery->flags.power_unit = bif->power_unit;
battery->trips.warning = bif->design_capacity_warning;
@@ -324,7 +320,7 @@
battery->flags.present = device->status.battery_present;
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -339,7 +335,6 @@
struct acpi_battery_info *bif = NULL;
char *units = "?";
- ACPI_FUNCTION_TRACE("acpi_battery_read_info");
if (!battery)
goto end;
@@ -409,7 +404,7 @@
end:
kfree(bif);
- return_VALUE(0);
+ return 0;
}
static int acpi_battery_info_open_fs(struct inode *inode, struct file *file)
@@ -424,7 +419,6 @@
struct acpi_battery_status *bst = NULL;
char *units = "?";
- ACPI_FUNCTION_TRACE("acpi_battery_read_state");
if (!battery)
goto end;
@@ -458,8 +452,6 @@
if ((bst->state & 0x01) && (bst->state & 0x02)) {
seq_printf(seq,
"charging state: charging/discharging\n");
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Battery Charging and Discharging?\n"));
} else if (bst->state & 0x01)
seq_printf(seq, "charging state: discharging\n");
else if (bst->state & 0x02)
@@ -489,7 +481,7 @@
end:
kfree(bst);
- return_VALUE(0);
+ return 0;
}
static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
@@ -502,7 +494,6 @@
struct acpi_battery *battery = (struct acpi_battery *)seq->private;
char *units = "?";
- ACPI_FUNCTION_TRACE("acpi_battery_read_alarm");
if (!battery)
goto end;
@@ -527,7 +518,7 @@
seq_printf(seq, "%d %sh\n", (u32) battery->alarm, units);
end:
- return_VALUE(0);
+ return 0;
}
static ssize_t
@@ -540,25 +531,24 @@
struct seq_file *m = (struct seq_file *)file->private_data;
struct acpi_battery *battery = (struct acpi_battery *)m->private;
- ACPI_FUNCTION_TRACE("acpi_battery_write_alarm");
if (!battery || (count > sizeof(alarm_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!battery->flags.present)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (copy_from_user(alarm_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
alarm_string[count] = '\0';
result = acpi_battery_set_alarm(battery,
simple_strtoul(alarm_string, NULL, 0));
if (result)
- return_VALUE(result);
+ return result;
- return_VALUE(count);
+ return count;
}
static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file)
@@ -595,13 +585,12 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_battery_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
@@ -609,9 +598,7 @@
entry = create_proc_entry(ACPI_BATTERY_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_BATTERY_FILE_INFO));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_battery_info_ops;
entry->data = acpi_driver_data(device);
@@ -622,9 +609,7 @@
entry = create_proc_entry(ACPI_BATTERY_FILE_STATUS,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_BATTERY_FILE_STATUS));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_battery_state_ops;
entry->data = acpi_driver_data(device);
@@ -636,21 +621,18 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_BATTERY_FILE_ALARM));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_battery_alarm_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_battery_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_battery_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_BATTERY_FILE_ALARM,
@@ -664,7 +646,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -676,13 +658,12 @@
struct acpi_battery *battery = (struct acpi_battery *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_notify");
if (!battery)
- return_VOID;
+ return;
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_BATTERY_NOTIFY_STATUS:
@@ -696,7 +677,7 @@
break;
}
- return_VOID;
+ return;
}
static int acpi_battery_add(struct acpi_device *device)
@@ -705,14 +686,13 @@
acpi_status status = 0;
struct acpi_battery *battery = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
battery = kmalloc(sizeof(struct acpi_battery), GFP_KERNEL);
if (!battery)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(battery, 0, sizeof(struct acpi_battery));
battery->handle = device->handle;
@@ -732,8 +712,6 @@
ACPI_DEVICE_NOTIFY,
acpi_battery_notify, battery);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
@@ -748,7 +726,7 @@
kfree(battery);
}
- return_VALUE(result);
+ return result;
}
static int acpi_battery_remove(struct acpi_device *device, int type)
@@ -756,56 +734,50 @@
acpi_status status = 0;
struct acpi_battery *battery = NULL;
- ACPI_FUNCTION_TRACE("acpi_battery_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
battery = (struct acpi_battery *)acpi_driver_data(device);
status = acpi_remove_notify_handler(battery->handle,
ACPI_DEVICE_NOTIFY,
acpi_battery_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
acpi_battery_remove_fs(device);
kfree(battery);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_battery_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_init");
acpi_battery_dir = proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
if (!acpi_battery_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_battery_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_battery_driver);
if (result < 0) {
remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_battery_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_battery_exit");
acpi_bus_unregister_driver(&acpi_battery_driver);
remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_battery_init);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index dd3983c..dec044c 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -60,21 +60,19 @@
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_bus_get_device");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* TBD: Support fixed-feature devices */
status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
if (ACPI_FAILURE(status) || !*device) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "No context for object [%p]\n",
- handle));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "No context for object [%p]", handle));
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_get_device);
@@ -84,10 +82,9 @@
acpi_status status = AE_OK;
unsigned long sta = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_get_status");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* Evaluate _STA if present.
@@ -96,7 +93,7 @@
status =
acpi_evaluate_integer(device->handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
STRUCT_TO_INT(device->status) = (int)sta;
}
@@ -120,7 +117,7 @@
device->pnp.bus_id,
(u32) STRUCT_TO_INT(device->status)));
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_get_status);
@@ -136,11 +133,10 @@
struct acpi_device *device = NULL;
unsigned long psc = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_get_power");
result = acpi_bus_get_device(handle, &device);
if (result)
- return_VALUE(result);
+ return result;
*state = ACPI_STATE_UNKNOWN;
@@ -159,12 +155,12 @@
status = acpi_evaluate_integer(device->handle, "_PSC",
NULL, &psc);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
device->power.state = (int)psc;
} else if (device->power.flags.power_resources) {
result = acpi_power_get_inferred_state(device);
if (result)
- return_VALUE(result);
+ return result;
}
*state = device->power.state;
@@ -173,7 +169,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is D%d\n",
device->pnp.bus_id, device->power.state));
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_get_power);
@@ -185,21 +181,20 @@
struct acpi_device *device = NULL;
char object_name[5] = { '_', 'P', 'S', '0' + state, '\0' };
- ACPI_FUNCTION_TRACE("acpi_bus_set_power");
result = acpi_bus_get_device(handle, &device);
if (result)
- return_VALUE(result);
+ return result;
if ((state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Make sure this is a valid target state */
if (!device->flags.power_manageable) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Device is not power manageable\n"));
- return_VALUE(-ENODEV);
+ printk(KERN_DEBUG "Device `[%s]is not power manageable",
+ device->kobj.name);
+ return -ENODEV;
}
/*
* Get device's current power state if it's unknown
@@ -211,18 +206,18 @@
if (state == device->power.state) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
state));
- return_VALUE(0);
+ return 0;
}
}
if (!device->power.states[state].flags.valid) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device does not support D%d\n",
- state));
- return_VALUE(-ENODEV);
+ printk(KERN_WARNING PREFIX "Device does not support D%d\n", state);
+ return -ENODEV;
}
if (device->parent && (state < device->parent->power.state)) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Cannot set device to a higher-powered state than parent\n"));
- return_VALUE(-ENODEV);
+ printk(KERN_WARNING PREFIX
+ "Cannot set device to a higher-powered"
+ " state than parent\n");
+ return -ENODEV;
}
/*
@@ -264,15 +259,15 @@
end:
if (result)
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Error transitioning device [%s] to D%d\n",
- device->pnp.bus_id, state));
+ printk(KERN_WARNING PREFIX
+ "Transitioning device [%s] to D%d\n",
+ device->pnp.bus_id, state);
else
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device [%s] transitioned to D%d\n",
device->pnp.bus_id, state));
- return_VALUE(result);
+ return result;
}
EXPORT_SYMBOL(acpi_bus_set_power);
@@ -293,18 +288,17 @@
struct acpi_bus_event *event = NULL;
unsigned long flags = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_generate_event");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* drop event on the floor if no one's listening */
if (!event_is_open)
- return_VALUE(0);
+ return 0;
event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
if (!event)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
strcpy(event->device_class, device->pnp.device_class);
strcpy(event->bus_id, device->pnp.bus_id);
@@ -317,7 +311,7 @@
wake_up_interruptible(&acpi_bus_event_queue);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_generate_event);
@@ -329,10 +323,9 @@
DECLARE_WAITQUEUE(wait, current);
- ACPI_FUNCTION_TRACE("acpi_bus_receive_event");
if (!event)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (list_empty(&acpi_bus_event_list)) {
@@ -346,7 +339,7 @@
set_current_state(TASK_RUNNING);
if (signal_pending(current))
- return_VALUE(-ERESTARTSYS);
+ return -ERESTARTSYS;
}
spin_lock_irqsave(&acpi_bus_event_lock, flags);
@@ -357,13 +350,13 @@
spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
if (!entry)
- return_VALUE(-ENODEV);
+ return -ENODEV;
memcpy(event, entry, sizeof(struct acpi_bus_event));
kfree(entry);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_receive_event);
@@ -378,10 +371,9 @@
acpi_status status = 0;
struct acpi_device_status old_status;
- ACPI_FUNCTION_TRACE("acpi_bus_check_device");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (status_changed)
*status_changed = 0;
@@ -398,15 +390,15 @@
if (status_changed)
*status_changed = 1;
}
- return_VALUE(0);
+ return 0;
}
status = acpi_bus_get_status(device);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (STRUCT_TO_INT(old_status) == STRUCT_TO_INT(device->status))
- return_VALUE(0);
+ return 0;
if (status_changed)
*status_changed = 1;
@@ -422,7 +414,7 @@
/* TBD: Handle device removal */
}
- return_VALUE(0);
+ return 0;
}
static int acpi_bus_check_scope(struct acpi_device *device)
@@ -430,25 +422,24 @@
int result = 0;
int status_changed = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_check_scope");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Status Change? */
result = acpi_bus_check_device(device, &status_changed);
if (result)
- return_VALUE(result);
+ return result;
if (!status_changed)
- return_VALUE(0);
+ return 0;
/*
* TBD: Enumerate child devices within this device's scope and
* run acpi_bus_check_device()'s on them.
*/
- return_VALUE(0);
+ return 0;
}
/**
@@ -461,10 +452,9 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_bus_notify");
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
switch (type) {
@@ -539,7 +529,7 @@
break;
}
- return_VOID;
+ return;
}
/* --------------------------------------------------------------------------
@@ -553,7 +543,6 @@
struct acpi_object_list arg_list = { 1, &arg };
char *message = NULL;
- ACPI_FUNCTION_TRACE("acpi_bus_init_irq");
/*
* Let the system know what interrupt model we are using by
@@ -572,7 +561,7 @@
break;
default:
printk(KERN_WARNING PREFIX "Unknown interrupt routing model\n");
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
printk(KERN_INFO PREFIX "Using %s for interrupt routing\n", message);
@@ -581,11 +570,11 @@
status = acpi_evaluate_object(NULL, "\\_PIC", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PIC\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PIC"));
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
void __init acpi_early_init(void)
@@ -593,10 +582,9 @@
acpi_status status = AE_OK;
struct acpi_buffer buffer = { sizeof(acpi_fadt), &acpi_fadt };
- ACPI_FUNCTION_TRACE("acpi_early_init");
if (acpi_disabled)
- return_VOID;
+ return;
printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
@@ -656,11 +644,11 @@
goto error0;
}
- return_VOID;
+ return;
error0:
disable_acpi();
- return_VOID;
+ return;
}
static int __init acpi_bus_init(void)
@@ -669,7 +657,6 @@
acpi_status status = AE_OK;
extern acpi_status acpi_os_initialize1(void);
- ACPI_FUNCTION_TRACE("acpi_bus_init");
status = acpi_os_initialize1();
@@ -731,12 +718,12 @@
*/
acpi_root_dir = proc_mkdir(ACPI_BUS_FILE_ROOT, NULL);
- return_VALUE(0);
+ return 0;
/* Mimic structured exception handling */
error1:
acpi_terminate();
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
decl_subsys(acpi, NULL, NULL);
@@ -745,11 +732,10 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_init");
if (acpi_disabled) {
printk(KERN_INFO PREFIX "Interpreter disabled.\n");
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
firmware_register(&acpi_subsys);
@@ -770,7 +756,7 @@
} else
disable_acpi();
- return_VALUE(result);
+ return result;
}
subsys_initcall(acpi_init);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 4b6d9f0..0259463 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -112,15 +112,14 @@
{
struct acpi_button *button = (struct acpi_button *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_button_info_seq_show");
if (!button || !button->device)
- return_VALUE(0);
+ return 0;
seq_printf(seq, "type: %s\n",
acpi_device_name(button->device));
- return_VALUE(0);
+ return 0;
}
static int acpi_button_info_open_fs(struct inode *inode, struct file *file)
@@ -134,10 +133,9 @@
acpi_status status;
unsigned long state;
- ACPI_FUNCTION_TRACE("acpi_button_state_seq_show");
if (!button || !button->device)
- return_VALUE(0);
+ return 0;
status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state);
if (ACPI_FAILURE(status)) {
@@ -147,7 +145,7 @@
(state ? "open" : "closed"));
}
- return_VALUE(0);
+ return 0;
}
static int acpi_button_state_open_fs(struct inode *inode, struct file *file)
@@ -164,10 +162,9 @@
struct proc_dir_entry *entry = NULL;
struct acpi_button *button = NULL;
- ACPI_FUNCTION_TRACE("acpi_button_add_fs");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
button = acpi_driver_data(device);
@@ -195,21 +192,19 @@
}
if (!entry)
- return_VALUE(-ENODEV);
+ return -ENODEV;
entry->owner = THIS_MODULE;
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
/* 'info' [R] */
entry = create_proc_entry(ACPI_BUTTON_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_BUTTON_FILE_INFO));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_button_info_fops;
entry->data = acpi_driver_data(device);
@@ -221,9 +216,7 @@
entry = create_proc_entry(ACPI_BUTTON_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_BUTTON_FILE_INFO));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_button_state_fops;
entry->data = acpi_driver_data(device);
@@ -231,14 +224,13 @@
}
}
- return_VALUE(0);
+ return 0;
}
static int acpi_button_remove_fs(struct acpi_device *device)
{
struct acpi_button *button = NULL;
- ACPI_FUNCTION_TRACE("acpi_button_remove_fs");
button = acpi_driver_data(device);
if (acpi_device_dir(device)) {
@@ -253,7 +245,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -264,10 +256,9 @@
{
struct acpi_button *button = (struct acpi_button *)data;
- ACPI_FUNCTION_TRACE("acpi_button_notify");
if (!button || !button->device)
- return_VOID;
+ return;
switch (event) {
case ACPI_BUTTON_NOTIFY_STATUS:
@@ -280,21 +271,20 @@
break;
}
- return_VOID;
+ return;
}
static acpi_status acpi_button_notify_fixed(void *data)
{
struct acpi_button *button = (struct acpi_button *)data;
- ACPI_FUNCTION_TRACE("acpi_button_notify_fixed");
if (!button)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
static int acpi_button_add(struct acpi_device *device)
@@ -303,14 +293,13 @@
acpi_status status = AE_OK;
struct acpi_button *button = NULL;
- ACPI_FUNCTION_TRACE("acpi_button_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL);
if (!button)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(button, 0, sizeof(struct acpi_button));
button->device = device;
@@ -349,8 +338,8 @@
sprintf(acpi_device_class(device), "%s/%s",
ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID);
} else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unsupported hid [%s]\n",
- acpi_device_hid(device)));
+ printk(KERN_ERR PREFIX "Unsupported hid [%s]\n",
+ acpi_device_hid(device));
result = -ENODEV;
goto end;
}
@@ -381,8 +370,6 @@
}
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
@@ -406,7 +393,7 @@
kfree(button);
}
- return_VALUE(result);
+ return result;
}
static int acpi_button_remove(struct acpi_device *device, int type)
@@ -414,10 +401,9 @@
acpi_status status = 0;
struct acpi_button *button = NULL;
- ACPI_FUNCTION_TRACE("acpi_button_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
button = acpi_driver_data(device);
@@ -440,39 +426,33 @@
break;
}
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
-
acpi_button_remove_fs(device);
kfree(button);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_button_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_button_init");
acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir);
if (!acpi_button_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_button_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_button_driver);
if (result < 0) {
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_button_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_button_exit");
acpi_bus_unregister_driver(&acpi_button_driver);
@@ -484,7 +464,7 @@
remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir);
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_button_init);
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index b69a8ca..7f7e41d 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -73,17 +73,16 @@
acpi_status status;
unsigned long sta;
- ACPI_FUNCTION_TRACE("is_device_present");
status = acpi_get_handle(handle, "_STA", &temp);
if (ACPI_FAILURE(status))
- return_VALUE(1); /* _STA not found, assmue device present */
+ return 1; /* _STA not found, assmue device present */
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
- return_VALUE(0); /* Firmware error */
+ return 0; /* Firmware error */
- return_VALUE((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT);
+ return ((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT);
}
/*******************************************************************/
@@ -91,16 +90,15 @@
{
struct acpi_container *container;
- ACPI_FUNCTION_TRACE("acpi_container_add");
if (!device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "device is NULL\n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "device is NULL\n");
+ return -EINVAL;
}
container = kmalloc(sizeof(struct acpi_container), GFP_KERNEL);
if (!container)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(container, 0, sizeof(struct acpi_container));
container->handle = device->handle;
@@ -111,7 +109,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n",
acpi_device_name(device), acpi_device_bid(device)));
- return_VALUE(0);
+ return 0;
}
static int acpi_container_remove(struct acpi_device *device, int type)
@@ -130,23 +128,22 @@
struct acpi_device *pdev;
int result;
- ACPI_FUNCTION_TRACE("container_device_add");
if (acpi_get_parent(handle, &phandle)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_get_device(phandle, &pdev)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_DEVICE)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
result = acpi_bus_start(*device);
- return_VALUE(result);
+ return result;
}
static void container_notify_cb(acpi_handle handle, u32 type, void *context)
@@ -156,7 +153,6 @@
int present;
acpi_status status;
- ACPI_FUNCTION_TRACE("container_notify_cb");
present = is_device_present(handle);
@@ -192,7 +188,7 @@
default:
break;
}
- return_VOID;
+ return;
}
static acpi_status
@@ -205,11 +201,10 @@
acpi_status status;
int *action = context;
- ACPI_FUNCTION_TRACE("container_walk_namespace_cb");
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status) || !buffer.pointer) {
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
info = buffer.pointer;
@@ -243,7 +238,7 @@
end:
acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
static int __init acpi_container_init(void)
@@ -269,7 +264,6 @@
{
int action = UNINSTALL_NOTIFY_HANDLER;
- ACPI_FUNCTION_TRACE("acpi_container_exit");
acpi_walk_namespace(ACPI_TYPE_DEVICE,
ACPI_ROOT_OBJECT,
@@ -278,7 +272,7 @@
acpi_bus_unregister_driver(&acpi_container_driver);
- return_VOID;
+ return;
}
module_init(acpi_container_init);
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 263322b..35c6af8 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -155,13 +155,12 @@
{
char debug_string[12] = { '\0' };
- ACPI_FUNCTION_TRACE("acpi_system_write_debug");
if (count > sizeof(debug_string) - 1)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(debug_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
debug_string[count] = '\0';
@@ -173,10 +172,10 @@
acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
break;
default:
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
- return_VALUE(count);
+ return count;
}
static int __init acpi_debug_init(void)
@@ -185,10 +184,9 @@
int error = 0;
char *name;
- ACPI_FUNCTION_TRACE("acpi_debug_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
/* 'debug_layer' [R/W] */
name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
@@ -213,15 +211,12 @@
goto Error;
Done:
- return_VALUE(error);
+ return error;
Error:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' proc fs entry\n", name));
-
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
- error = -EFAULT;
+ error = -ENODEV;
goto Done;
}
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index bbdf990..daf51b5 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -125,37 +125,7 @@
if (info->table_desc->pointer->revision == 1) {
node->flags |= ANOBJ_DATA_WIDTH_32;
}
-#ifdef ACPI_INIT_PARSE_METHODS
- /*
- * Note 11/2005: Removed this code to parse all methods during table
- * load because it causes problems if there are any errors during the
- * parse. Also, it seems like overkill and we probably don't want to
- * abort a table load because of an issue with a single method.
- */
- /*
- * Print a dot for each method unless we are going to print
- * the entire pathname
- */
- if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
-
- /*
- * Always parse methods to detect errors, we will delete
- * the parse tree below
- */
- status = acpi_ds_parse_method(obj_handle);
- if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO,
- "Method %p [%4.4s] - parse failure, %s",
- obj_handle,
- acpi_ut_get_node_name(obj_handle),
- acpi_format_exception(status)));
-
- /* This parse failed, but we will continue parsing more methods */
- }
-#endif
info->method_count++;
break;
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index bc9aca4..a39a33f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -52,6 +52,10 @@
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dsmethod")
+/* Local prototypes */
+static acpi_status
+acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
+
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_error
@@ -67,6 +71,7 @@
* Note: Allows the exception handler to change the status code
*
******************************************************************************/
+
acpi_status
acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
{
@@ -113,11 +118,51 @@
/*******************************************************************************
*
+ * FUNCTION: acpi_ds_create_method_mutex
+ *
+ * PARAMETERS: obj_desc - The method object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a mutex object for a serialized control method
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
+{
+ union acpi_operand_object *mutex_desc;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(ds_create_method_mutex);
+
+ /* Create the new mutex object */
+
+ mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
+ if (!mutex_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ /* Create the actual OS Mutex */
+
+ status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ mutex_desc->mutex.sync_level = method_desc->method.sync_level;
+ method_desc->method.mutex = mutex_desc;
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ds_begin_method_execution
*
* PARAMETERS: method_node - Node of the method
* obj_desc - The method object
- * calling_method_node - Caller of this method (if non-null)
+ * walk_state - current state, NULL if not yet executing
+ * a method.
*
* RETURN: Status
*
@@ -128,9 +173,9 @@
******************************************************************************/
acpi_status
-acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
- union acpi_operand_object * obj_desc,
- struct acpi_namespace_node * calling_method_node)
+acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
+ union acpi_operand_object *obj_desc,
+ struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
@@ -149,35 +194,80 @@
}
/*
- * If there is a concurrency limit on this method, we need to
- * obtain a unit from the method semaphore.
+ * If this method is serialized, we need to acquire the method mutex.
*/
- if (obj_desc->method.semaphore) {
+ if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) {
/*
- * Allow recursive method calls, up to the reentrancy/concurrency
- * limit imposed by the SERIALIZED rule and the sync_level method
- * parameter.
- *
- * The point of this code is to avoid permanently blocking a
- * thread that is making recursive method calls.
+ * Create a mutex for the method if it is defined to be Serialized
+ * and a mutex has not already been created. We defer the mutex creation
+ * until a method is actually executed, to minimize the object count
*/
- if (method_node == calling_method_node) {
- if (obj_desc->method.thread_count >=
- obj_desc->method.concurrency) {
- return_ACPI_STATUS(AE_AML_METHOD_LIMIT);
+ if (!obj_desc->method.mutex) {
+ status = acpi_ds_create_method_mutex(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/*
- * Get a unit from the method semaphore. This releases the
- * interpreter if we block (then reacquires it)
+ * The current_sync_level (per-thread) must be less than or equal to
+ * the sync level of the method. This mechanism provides some
+ * deadlock prevention
+ *
+ * Top-level method invocation has no walk state at this point
*/
- status =
- acpi_ex_system_wait_semaphore(obj_desc->method.semaphore,
- ACPI_WAIT_FOREVER);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ if (walk_state &&
+ (walk_state->thread->current_sync_level >
+ obj_desc->method.mutex->mutex.sync_level)) {
+ ACPI_ERROR((AE_INFO,
+ "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)",
+ acpi_ut_get_node_name(method_node),
+ walk_state->thread->current_sync_level));
+
+ return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
+
+ /*
+ * Obtain the method mutex if necessary. Do not acquire mutex for a
+ * recursive call.
+ */
+ if (!walk_state ||
+ !obj_desc->method.mutex->mutex.owner_thread ||
+ (walk_state->thread !=
+ obj_desc->method.mutex->mutex.owner_thread)) {
+ /*
+ * Acquire the method mutex. This releases the interpreter if we
+ * block (and reacquires it before it returns)
+ */
+ status =
+ acpi_ex_system_wait_mutex(obj_desc->method.mutex->
+ mutex.os_mutex,
+ ACPI_WAIT_FOREVER);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Update the mutex and walk info and save the original sync_level */
+
+ if (walk_state) {
+ obj_desc->method.mutex->mutex.
+ original_sync_level =
+ walk_state->thread->current_sync_level;
+
+ obj_desc->method.mutex->mutex.owner_thread =
+ walk_state->thread;
+ walk_state->thread->current_sync_level =
+ obj_desc->method.sync_level;
+ } else {
+ obj_desc->method.mutex->mutex.
+ original_sync_level =
+ obj_desc->method.mutex->mutex.sync_level;
+ }
+ }
+
+ /* Always increase acquisition depth */
+
+ obj_desc->method.mutex->mutex.acquisition_depth++;
}
/*
@@ -200,10 +290,10 @@
return_ACPI_STATUS(status);
cleanup:
- /* On error, must signal the method semaphore if present */
+ /* On error, must release the method mutex (if present) */
- if (obj_desc->method.semaphore) {
- (void)acpi_os_signal_semaphore(obj_desc->method.semaphore, 1);
+ if (obj_desc->method.mutex) {
+ acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex);
}
return_ACPI_STATUS(status);
}
@@ -253,10 +343,10 @@
return_ACPI_STATUS(AE_NULL_OBJECT);
}
- /* Init for new method, possibly wait on concurrency semaphore */
+ /* Init for new method, possibly wait on method mutex */
status = acpi_ds_begin_method_execution(method_node, obj_desc,
- this_walk_state->method_node);
+ this_walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -478,6 +568,8 @@
* created, delete all locals and arguments, and delete the parse
* tree if requested.
*
+ * MUTEX: Interpreter is locked
+ *
******************************************************************************/
void
@@ -503,26 +595,21 @@
}
/*
- * Lock the parser while we terminate this method.
- * If this is the last thread executing the method,
- * we have additional cleanup to perform
+ * If method is serialized, release the mutex and restore the
+ * current sync level for this thread
*/
- status = acpi_ut_acquire_mutex(ACPI_MTX_CONTROL_METHOD);
- if (ACPI_FAILURE(status)) {
- return_VOID;
- }
+ if (method_desc->method.mutex) {
- /* Signal completion of the execution of this method if necessary */
+ /* Acquisition Depth handles recursive calls */
- if (method_desc->method.semaphore) {
- status =
- acpi_os_signal_semaphore(method_desc->method.semaphore, 1);
- if (ACPI_FAILURE(status)) {
+ method_desc->method.mutex->mutex.acquisition_depth--;
+ if (!method_desc->method.mutex->mutex.acquisition_depth) {
+ walk_state->thread->current_sync_level =
+ method_desc->method.mutex->mutex.
+ original_sync_level;
- /* Ignore error and continue */
-
- ACPI_EXCEPTION((AE_INFO, status,
- "Could not signal method semaphore"));
+ acpi_os_release_mutex(method_desc->method.mutex->mutex.
+ os_mutex);
}
}
@@ -537,7 +624,7 @@
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- goto exit;
+ return_VOID;
}
/*
@@ -580,18 +667,16 @@
/*
* Support to dynamically change a method from not_serialized to
* Serialized if it appears that the method is incorrectly written and
- * does not support multiple thread execution. The best example of this
- * is if such a method creates namespace objects and blocks. A second
+ * does not support multiple thread execution. The best example of this
+ * is if such a method creates namespace objects and blocks. A second
* thread will fail with an AE_ALREADY_EXISTS exception
*
* This code is here because we must wait until the last thread exits
* before creating the synchronization semaphore.
*/
- if ((method_desc->method.concurrency == 1) &&
- (!method_desc->method.semaphore)) {
- status = acpi_os_create_semaphore(1, 1,
- &method_desc->method.
- semaphore);
+ if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED)
+ && (!method_desc->method.mutex)) {
+ status = acpi_ds_create_method_mutex(method_desc);
}
/* No more threads, we can free the owner_id */
@@ -599,144 +684,5 @@
acpi_ut_release_owner_id(&method_desc->method.owner_id);
}
- exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_CONTROL_METHOD);
return_VOID;
}
-
-#ifdef ACPI_INIT_PARSE_METHODS
- /*
- * Note 11/2005: Removed this code to parse all methods during table
- * load because it causes problems if there are any errors during the
- * parse. Also, it seems like overkill and we probably don't want to
- * abort a table load because of an issue with a single method.
- */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_parse_method
- *
- * PARAMETERS: Node - Method node
- *
- * RETURN: Status
- *
- * DESCRIPTION: Parse the AML that is associated with the method.
- *
- * MUTEX: Assumes parser is locked
- *
- ******************************************************************************/
-
-acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
-{
- acpi_status status;
- union acpi_operand_object *obj_desc;
- union acpi_parse_object *op;
- struct acpi_walk_state *walk_state;
-
- ACPI_FUNCTION_TRACE_PTR(ds_parse_method, node);
-
- /* Parameter Validation */
-
- if (!node) {
- return_ACPI_STATUS(AE_NULL_ENTRY);
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "**** Parsing [%4.4s] **** NamedObj=%p\n",
- acpi_ut_get_node_name(node), node));
-
- /* Extract the method object from the method Node */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NULL_OBJECT);
- }
-
- /* Create a mutex for the method if there is a concurrency limit */
-
- if ((obj_desc->method.concurrency != ACPI_INFINITE_CONCURRENCY) &&
- (!obj_desc->method.semaphore)) {
- status = acpi_os_create_semaphore(obj_desc->method.concurrency,
- obj_desc->method.concurrency,
- &obj_desc->method.semaphore);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /*
- * Allocate a new parser op to be the root of the parsed
- * method tree
- */
- op = acpi_ps_alloc_op(AML_METHOD_OP);
- if (!op) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- /* Init new op with the method name and pointer back to the Node */
-
- acpi_ps_set_name(op, node->name.integer);
- op->common.node = node;
-
- /*
- * Get a new owner_id for objects created by this method. Namespace
- * objects (such as Operation Regions) can be created during the
- * first pass parse.
- */
- status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- /* Create and initialize a new walk state */
-
- walk_state =
- acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, NULL,
- NULL);
- if (!walk_state) {
- status = AE_NO_MEMORY;
- goto cleanup2;
- }
-
- status = acpi_ds_init_aml_walk(walk_state, op, node,
- obj_desc->method.aml_start,
- obj_desc->method.aml_length, NULL, 1);
- if (ACPI_FAILURE(status)) {
- acpi_ds_delete_walk_state(walk_state);
- goto cleanup2;
- }
-
- /*
- * Parse the method, first pass
- *
- * The first pass load is where newly declared named objects are added into
- * the namespace. Actual evaluation of the named objects (what would be
- * called a "second pass") happens during the actual execution of the
- * method so that operands to the named objects can take on dynamic
- * run-time values.
- */
- status = acpi_ps_parse_aml(walk_state);
- if (ACPI_FAILURE(status)) {
- goto cleanup2;
- }
-
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
- "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n",
- acpi_ut_get_node_name(node), node, op));
-
- /*
- * Delete the parse tree. We simply re-parse the method for every
- * execution since there isn't much overhead (compared to keeping lots
- * of parse trees around)
- */
- acpi_ns_delete_namespace_subtree(node);
- acpi_ns_delete_namespace_by_owner(obj_desc->method.owner_id);
-
- cleanup2:
- acpi_ut_release_owner_id(&obj_desc->method.owner_id);
-
- cleanup:
- acpi_ps_delete_parse_tree(op);
- return_ACPI_STATUS(status);
-}
-#endif
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index 3acbd91..b1ded62 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -472,7 +472,6 @@
acpi_ds_result_push(walk_state->result_obj,
walk_state);
}
-
break;
default:
@@ -510,6 +509,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Method Reference in a Package, Op=%p\n",
op));
+
op->common.node =
(struct acpi_namespace_node *)op->asl.value.
arg->asl.node->object;
@@ -670,7 +670,6 @@
status = acpi_ds_result_stack_pop(walk_state);
}
-
break;
case AML_TYPE_UNDEFINED:
@@ -708,7 +707,6 @@
* Check if we just completed the evaluation of a
* conditional predicate
*/
-
if ((ACPI_SUCCESS(status)) &&
(walk_state->control_state) &&
(walk_state->control_state->common.state ==
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index 3507439..e3ca7f6 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -175,7 +175,7 @@
if (status == AE_NOT_FOUND) {
/*
* Table disassembly:
- * Target of Scope() not found. Generate an External for it, and
+ * Target of Scope() not found. Generate an External for it, and
* insert the name into the namespace.
*/
acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
@@ -210,16 +210,15 @@
case ACPI_TYPE_BUFFER:
/*
- * These types we will allow, but we will change the type. This
+ * These types we will allow, but we will change the type. This
* enables some existing code of the form:
*
* Name (DEB, 0)
* Scope (DEB) { ... }
*
- * Note: silently change the type here. On the second pass, we will report
+ * Note: silently change the type here. On the second pass, we will report
* a warning
*/
-
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
path,
@@ -242,7 +241,6 @@
break;
default:
-
/*
* For all other named opcodes, we will enter the name into
* the namespace.
@@ -259,7 +257,6 @@
* buffer_field, or Package), the name of the object is already
* in the namespace.
*/
-
if (walk_state->deferred_node) {
/* This name is already in the namespace, get the node */
@@ -293,8 +290,8 @@
}
/*
- * Enter the named type into the internal namespace. We enter the name
- * as we go downward in the parse tree. Any necessary subobjects that
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
* involve arguments to the opcode must be created as we go back up the
* parse tree later.
*/
@@ -327,12 +324,12 @@
(status);
}
}
+
status = AE_OK;
}
}
if (ACPI_FAILURE(status)) {
-
ACPI_ERROR_NAMESPACE(path, status);
return_ACPI_STATUS(status);
}
@@ -434,9 +431,13 @@
status =
acpi_ex_create_region(op->named.data,
op->named.length,
- (acpi_adr_space_type)
- ((op->common.value.arg)->
- common.value.integer),
+ (acpi_adr_space_type) ((op->
+ common.
+ value.
+ arg)->
+ common.
+ value.
+ integer),
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -474,7 +475,7 @@
* method_op pkg_length name_string method_flags term_list
*
* Note: We must create the method node/object pair as soon as we
- * see the method declaration. This allows later pass1 parsing
+ * see the method declaration. This allows later pass1 parsing
* of invocations of the method (need to know the number of
* arguments.)
*/
@@ -499,6 +500,7 @@
length,
walk_state);
}
+
walk_state->operands[0] = NULL;
walk_state->num_operands = 0;
@@ -570,7 +572,6 @@
#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
(walk_state->op_info->class == AML_CLASS_CONTROL)) {
-
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Begin/EXEC: %s (fl %8.8X)\n",
walk_state->op_info->name,
@@ -602,7 +603,7 @@
} else {
/* Get name from the op */
- buffer_ptr = (char *)&op->named.name;
+ buffer_ptr = ACPI_CAST_PTR(char, &op->named.name);
}
} else {
/* Get the namestring from the raw AML */
@@ -629,7 +630,6 @@
break;
case AML_INT_NAMEPATH_OP:
-
/*
* The name_path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
@@ -642,7 +642,6 @@
break;
case AML_SCOPE_OP:
-
/*
* The Path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
@@ -664,6 +663,7 @@
#endif
return_ACPI_STATUS(status);
}
+
/*
* We must check to make sure that the target is
* one of the opcodes that actually opens a scope
@@ -683,13 +683,12 @@
case ACPI_TYPE_BUFFER:
/*
- * These types we will allow, but we will change the type. This
+ * These types we will allow, but we will change the type. This
* enables some existing code of the form:
*
* Name (DEB, 0)
* Scope (DEB) { ... }
*/
-
ACPI_WARNING((AE_INFO,
"Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)",
buffer_ptr,
@@ -729,14 +728,14 @@
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
-
}
+
return_ACPI_STATUS(AE_OK);
}
/*
- * Enter the named type into the internal namespace. We enter the name
- * as we go downward in the parse tree. Any necessary subobjects that
+ * Enter the named type into the internal namespace. We enter the name
+ * as we go downward in the parse tree. Any necessary subobjects that
* involve arguments to the opcode must be created as we go back up the
* parse tree later.
*
@@ -787,7 +786,6 @@
* can get it again quickly when this scope is closed
*/
op->common.node = node;
-
return_ACPI_STATUS(status);
}
@@ -922,7 +920,6 @@
#ifndef ACPI_NO_METHOD_EXECUTION
case AML_TYPE_CREATE_FIELD:
-
/*
* Create the field object, but the field buffer and index must
* be evaluated later during the execution phase
@@ -931,7 +928,6 @@
break;
case AML_TYPE_NAMED_FIELD:
-
/*
* If we are executing a method, initialize the field
*/
@@ -1051,6 +1047,7 @@
* argument is the space_id. (We must save the address of the
* AML of the address and length operands)
*/
+
/*
* If we have a valid region, initialize it
* Namespace is NOT locked at this point.
@@ -1080,7 +1077,7 @@
* method_op pkg_length name_string method_flags term_list
*
* Note: We must create the method node/object pair as soon as we
- * see the method declaration. This allows later pass1 parsing
+ * see the method declaration. This allows later pass1 parsing
* of invocations of the method (need to know the number of
* arguments.)
*/
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
new file mode 100644
index 0000000..510a945
--- /dev/null
+++ b/drivers/acpi/dock.c
@@ -0,0 +1,739 @@
+/*
+ * dock.c - ACPI dock station driver
+ *
+ * Copyright (C) 2006 Kristen Carlson Accardi <kristen.c.accardi@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/notifier.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+
+#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver"
+
+ACPI_MODULE_NAME("dock")
+MODULE_AUTHOR("Kristen Carlson Accardi");
+MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME);
+MODULE_LICENSE("GPL");
+
+static struct atomic_notifier_head dock_notifier_list;
+
+struct dock_station {
+ acpi_handle handle;
+ unsigned long last_dock_time;
+ u32 flags;
+ spinlock_t dd_lock;
+ spinlock_t hp_lock;
+ struct list_head dependent_devices;
+ struct list_head hotplug_devices;
+};
+
+struct dock_dependent_device {
+ struct list_head list;
+ struct list_head hotplug_list;
+ acpi_handle handle;
+ acpi_notify_handler handler;
+ void *context;
+};
+
+#define DOCK_DOCKING 0x00000001
+#define DOCK_EVENT KOBJ_DOCK
+#define UNDOCK_EVENT KOBJ_UNDOCK
+
+static struct dock_station *dock_station;
+
+/*****************************************************************************
+ * Dock Dependent device functions *
+ *****************************************************************************/
+/**
+ * alloc_dock_dependent_device - allocate and init a dependent device
+ * @handle: the acpi_handle of the dependent device
+ *
+ * Allocate memory for a dependent device structure for a device referenced
+ * by the acpi handle
+ */
+static struct dock_dependent_device *
+alloc_dock_dependent_device(acpi_handle handle)
+{
+ struct dock_dependent_device *dd;
+
+ dd = kzalloc(sizeof(*dd), GFP_KERNEL);
+ if (dd) {
+ dd->handle = handle;
+ INIT_LIST_HEAD(&dd->list);
+ INIT_LIST_HEAD(&dd->hotplug_list);
+ }
+ return dd;
+}
+
+/**
+ * add_dock_dependent_device - associate a device with the dock station
+ * @ds: The dock station
+ * @dd: The dependent device
+ *
+ * Add the dependent device to the dock's dependent device list.
+ */
+static void
+add_dock_dependent_device(struct dock_station *ds,
+ struct dock_dependent_device *dd)
+{
+ spin_lock(&ds->dd_lock);
+ list_add_tail(&dd->list, &ds->dependent_devices);
+ spin_unlock(&ds->dd_lock);
+}
+
+/**
+ * dock_add_hotplug_device - associate a hotplug handler with the dock station
+ * @ds: The dock station
+ * @dd: The dependent device struct
+ *
+ * Add the dependent device to the dock's hotplug device list
+ */
+static void
+dock_add_hotplug_device(struct dock_station *ds,
+ struct dock_dependent_device *dd)
+{
+ spin_lock(&ds->hp_lock);
+ list_add_tail(&dd->hotplug_list, &ds->hotplug_devices);
+ spin_unlock(&ds->hp_lock);
+}
+
+/**
+ * dock_del_hotplug_device - remove a hotplug handler from the dock station
+ * @ds: The dock station
+ * @dd: the dependent device struct
+ *
+ * Delete the dependent device from the dock's hotplug device list
+ */
+static void
+dock_del_hotplug_device(struct dock_station *ds,
+ struct dock_dependent_device *dd)
+{
+ spin_lock(&ds->hp_lock);
+ list_del(&dd->hotplug_list);
+ spin_unlock(&ds->hp_lock);
+}
+
+/**
+ * find_dock_dependent_device - get a device dependent on this dock
+ * @ds: the dock station
+ * @handle: the acpi_handle of the device we want
+ *
+ * iterate over the dependent device list for this dock. If the
+ * dependent device matches the handle, return.
+ */
+static struct dock_dependent_device *
+find_dock_dependent_device(struct dock_station *ds, acpi_handle handle)
+{
+ struct dock_dependent_device *dd;
+
+ spin_lock(&ds->dd_lock);
+ list_for_each_entry(dd, &ds->dependent_devices, list) {
+ if (handle == dd->handle) {
+ spin_unlock(&ds->dd_lock);
+ return dd;
+ }
+ }
+ spin_unlock(&ds->dd_lock);
+ return NULL;
+}
+
+/*****************************************************************************
+ * Dock functions *
+ *****************************************************************************/
+/**
+ * is_dock - see if a device is a dock station
+ * @handle: acpi handle of the device
+ *
+ * If an acpi object has a _DCK method, then it is by definition a dock
+ * station, so return true.
+ */
+static int is_dock(acpi_handle handle)
+{
+ acpi_status status;
+ acpi_handle tmp;
+
+ status = acpi_get_handle(handle, "_DCK", &tmp);
+ if (ACPI_FAILURE(status))
+ return 0;
+ return 1;
+}
+
+/**
+ * is_dock_device - see if a device is on a dock station
+ * @handle: acpi handle of the device
+ *
+ * If this device is either the dock station itself,
+ * or is a device dependent on the dock station, then it
+ * is a dock device
+ */
+int is_dock_device(acpi_handle handle)
+{
+ if (!dock_station)
+ return 0;
+
+ if (is_dock(handle) || find_dock_dependent_device(dock_station, handle))
+ return 1;
+
+ return 0;
+}
+
+EXPORT_SYMBOL_GPL(is_dock_device);
+
+/**
+ * dock_present - see if the dock station is present.
+ * @ds: the dock station
+ *
+ * execute the _STA method. note that present does not
+ * imply that we are docked.
+ */
+static int dock_present(struct dock_station *ds)
+{
+ unsigned long sta;
+ acpi_status status;
+
+ if (ds) {
+ status = acpi_evaluate_integer(ds->handle, "_STA", NULL, &sta);
+ if (ACPI_SUCCESS(status) && sta)
+ return 1;
+ }
+ return 0;
+}
+
+
+
+/**
+ * dock_create_acpi_device - add new devices to acpi
+ * @handle - handle of the device to add
+ *
+ * This function will create a new acpi_device for the given
+ * handle if one does not exist already. This should cause
+ * acpi to scan for drivers for the given devices, and call
+ * matching driver's add routine.
+ *
+ * Returns a pointer to the acpi_device corresponding to the handle.
+ */
+static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
+{
+ struct acpi_device *device = NULL;
+ struct acpi_device *parent_device;
+ acpi_handle parent;
+ int ret;
+
+ if (acpi_bus_get_device(handle, &device)) {
+ /*
+ * no device created for this object,
+ * so we should create one.
+ */
+ acpi_get_parent(handle, &parent);
+ if (acpi_bus_get_device(parent, &parent_device))
+ parent_device = NULL;
+
+ ret = acpi_bus_add(&device, parent_device, handle,
+ ACPI_BUS_TYPE_DEVICE);
+ if (ret) {
+ pr_debug("error adding bus, %x\n",
+ -ret);
+ return NULL;
+ }
+ }
+ return device;
+}
+
+/**
+ * dock_remove_acpi_device - remove the acpi_device struct from acpi
+ * @handle - the handle of the device to remove
+ *
+ * Tell acpi to remove the acpi_device. This should cause any loaded
+ * driver to have it's remove routine called.
+ */
+static void dock_remove_acpi_device(acpi_handle handle)
+{
+ struct acpi_device *device;
+ int ret;
+
+ if (!acpi_bus_get_device(handle, &device)) {
+ ret = acpi_bus_trim(device, 1);
+ if (ret)
+ pr_debug("error removing bus, %x\n", -ret);
+ }
+}
+
+
+/**
+ * hotplug_dock_devices - insert or remove devices on the dock station
+ * @ds: the dock station
+ * @event: either bus check or eject request
+ *
+ * Some devices on the dock station need to have drivers called
+ * to perform hotplug operations after a dock event has occurred.
+ * Traverse the list of dock devices that have registered a
+ * hotplug handler, and call the handler.
+ */
+static void hotplug_dock_devices(struct dock_station *ds, u32 event)
+{
+ struct dock_dependent_device *dd;
+
+ spin_lock(&ds->hp_lock);
+
+ /*
+ * First call driver specific hotplug functions
+ */
+ list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list) {
+ if (dd->handler)
+ dd->handler(dd->handle, event, dd->context);
+ }
+
+ /*
+ * Now make sure that an acpi_device is created for each
+ * dependent device, or removed if this is an eject request.
+ * This will cause acpi_drivers to be stopped/started if they
+ * exist
+ */
+ list_for_each_entry(dd, &ds->dependent_devices, list) {
+ if (event == ACPI_NOTIFY_EJECT_REQUEST)
+ dock_remove_acpi_device(dd->handle);
+ else
+ dock_create_acpi_device(dd->handle);
+ }
+ spin_unlock(&ds->hp_lock);
+}
+
+static void dock_event(struct dock_station *ds, u32 event, int num)
+{
+ struct acpi_device *device;
+
+ device = dock_create_acpi_device(ds->handle);
+ if (device)
+ kobject_uevent(&device->kobj, num);
+}
+
+/**
+ * eject_dock - respond to a dock eject request
+ * @ds: the dock station
+ *
+ * This is called after _DCK is called, to execute the dock station's
+ * _EJ0 method.
+ */
+static void eject_dock(struct dock_station *ds)
+{
+ struct acpi_object_list arg_list;
+ union acpi_object arg;
+ acpi_status status;
+ acpi_handle tmp;
+
+ /* all dock devices should have _EJ0, but check anyway */
+ status = acpi_get_handle(ds->handle, "_EJ0", &tmp);
+ if (ACPI_FAILURE(status)) {
+ pr_debug("No _EJ0 support for dock device\n");
+ return;
+ }
+
+ arg_list.count = 1;
+ arg_list.pointer = &arg;
+ arg.type = ACPI_TYPE_INTEGER;
+ arg.integer.value = 1;
+
+ if (ACPI_FAILURE(acpi_evaluate_object(ds->handle, "_EJ0",
+ &arg_list, NULL)))
+ pr_debug("Failed to evaluate _EJ0!\n");
+}
+
+/**
+ * handle_dock - handle a dock event
+ * @ds: the dock station
+ * @dock: to dock, or undock - that is the question
+ *
+ * Execute the _DCK method in response to an acpi event
+ */
+static void handle_dock(struct dock_station *ds, int dock)
+{
+ acpi_status status;
+ struct acpi_object_list arg_list;
+ union acpi_object arg;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+
+ acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer);
+ obj = name_buffer.pointer;
+
+ printk(KERN_INFO PREFIX "%s\n", dock ? "docking" : "undocking");
+
+ /* _DCK method has one argument */
+ arg_list.count = 1;
+ arg_list.pointer = &arg;
+ arg.type = ACPI_TYPE_INTEGER;
+ arg.integer.value = dock;
+ status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
+ if (ACPI_FAILURE(status))
+ pr_debug("%s: failed to execute _DCK\n", obj->string.pointer);
+ kfree(buffer.pointer);
+ kfree(name_buffer.pointer);
+}
+
+static inline void dock(struct dock_station *ds)
+{
+ handle_dock(ds, 1);
+}
+
+static inline void undock(struct dock_station *ds)
+{
+ handle_dock(ds, 0);
+}
+
+static inline void begin_dock(struct dock_station *ds)
+{
+ ds->flags |= DOCK_DOCKING;
+}
+
+static inline void complete_dock(struct dock_station *ds)
+{
+ ds->flags &= ~(DOCK_DOCKING);
+ ds->last_dock_time = jiffies;
+}
+
+/**
+ * dock_in_progress - see if we are in the middle of handling a dock event
+ * @ds: the dock station
+ *
+ * Sometimes while docking, false dock events can be sent to the driver
+ * because good connections aren't made or some other reason. Ignore these
+ * if we are in the middle of doing something.
+ */
+static int dock_in_progress(struct dock_station *ds)
+{
+ if ((ds->flags & DOCK_DOCKING) ||
+ time_before(jiffies, (ds->last_dock_time + HZ)))
+ return 1;
+ return 0;
+}
+
+/**
+ * register_dock_notifier - add yourself to the dock notifier list
+ * @nb: the callers notifier block
+ *
+ * If a driver wishes to be notified about dock events, they can
+ * use this function to put a notifier block on the dock notifier list.
+ * this notifier call chain will be called after a dock event, but
+ * before hotplugging any new devices.
+ */
+int register_dock_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_register(&dock_notifier_list, nb);
+}
+
+EXPORT_SYMBOL_GPL(register_dock_notifier);
+
+/**
+ * unregister_dock_notifier - remove yourself from the dock notifier list
+ * @nb: the callers notifier block
+ */
+void unregister_dock_notifier(struct notifier_block *nb)
+{
+ atomic_notifier_chain_unregister(&dock_notifier_list, nb);
+}
+
+EXPORT_SYMBOL_GPL(unregister_dock_notifier);
+
+/**
+ * register_hotplug_dock_device - register a hotplug function
+ * @handle: the handle of the device
+ * @handler: the acpi_notifier_handler to call after docking
+ * @context: device specific data
+ *
+ * If a driver would like to perform a hotplug operation after a dock
+ * event, they can register an acpi_notifiy_handler to be called by
+ * the dock driver after _DCK is executed.
+ */
+int
+register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler,
+ void *context)
+{
+ struct dock_dependent_device *dd;
+
+ if (!dock_station)
+ return -ENODEV;
+
+ /*
+ * make sure this handle is for a device dependent on the dock,
+ * this would include the dock station itself
+ */
+ dd = find_dock_dependent_device(dock_station, handle);
+ if (dd) {
+ dd->handler = handler;
+ dd->context = context;
+ dock_add_hotplug_device(dock_station, dd);
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+EXPORT_SYMBOL_GPL(register_hotplug_dock_device);
+
+/**
+ * unregister_hotplug_dock_device - remove yourself from the hotplug list
+ * @handle: the acpi handle of the device
+ */
+void unregister_hotplug_dock_device(acpi_handle handle)
+{
+ struct dock_dependent_device *dd;
+
+ if (!dock_station)
+ return;
+
+ dd = find_dock_dependent_device(dock_station, handle);
+ if (dd)
+ dock_del_hotplug_device(dock_station, dd);
+}
+
+EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
+
+/**
+ * dock_notify - act upon an acpi dock notification
+ * @handle: the dock station handle
+ * @event: the acpi event
+ * @data: our driver data struct
+ *
+ * If we are notified to dock, then check to see if the dock is
+ * present and then dock. Notify all drivers of the dock event,
+ * and then hotplug and devices that may need hotplugging. For undock
+ * check to make sure the dock device is still present, then undock
+ * and hotremove all the devices that may need removing.
+ */
+static void dock_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct dock_station *ds = (struct dock_station *)data;
+
+ switch (event) {
+ case ACPI_NOTIFY_BUS_CHECK:
+ if (!dock_in_progress(ds) && dock_present(ds)) {
+ begin_dock(ds);
+ dock(ds);
+ if (!dock_present(ds)) {
+ printk(KERN_ERR PREFIX "Unable to dock!\n");
+ break;
+ }
+ atomic_notifier_call_chain(&dock_notifier_list,
+ event, NULL);
+ hotplug_dock_devices(ds, event);
+ complete_dock(ds);
+ dock_event(ds, event, DOCK_EVENT);
+ }
+ break;
+ case ACPI_NOTIFY_DEVICE_CHECK:
+ /*
+ * According to acpi spec 3.0a, if a DEVICE_CHECK notification
+ * is sent and _DCK is present, it is assumed to mean an
+ * undock request. This notify routine will only be called
+ * for objects defining _DCK, so we will fall through to eject
+ * request here. However, we will pass an eject request through
+ * to the driver who wish to hotplug.
+ */
+ case ACPI_NOTIFY_EJECT_REQUEST:
+ if (!dock_in_progress(ds) && dock_present(ds)) {
+ /*
+ * here we need to generate the undock
+ * event prior to actually doing the undock
+ * so that the device struct still exists.
+ */
+ dock_event(ds, event, UNDOCK_EVENT);
+ hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
+ undock(ds);
+ eject_dock(ds);
+ if (dock_present(ds))
+ printk(KERN_ERR PREFIX "Unable to undock!\n");
+ }
+ break;
+ default:
+ printk(KERN_ERR PREFIX "Unknown dock event %d\n", event);
+ }
+}
+
+/**
+ * find_dock_devices - find devices on the dock station
+ * @handle: the handle of the device we are examining
+ * @lvl: unused
+ * @context: the dock station private data
+ * @rv: unused
+ *
+ * This function is called by acpi_walk_namespace. It will
+ * check to see if an object has an _EJD method. If it does, then it
+ * will see if it is dependent on the dock station.
+ */
+static acpi_status
+find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+ acpi_status status;
+ acpi_handle tmp;
+ struct dock_station *ds = (struct dock_station *)context;
+ struct dock_dependent_device *dd;
+
+ status = acpi_bus_get_ejd(handle, &tmp);
+ if (ACPI_FAILURE(status))
+ return AE_OK;
+
+ if (tmp == ds->handle) {
+ dd = alloc_dock_dependent_device(handle);
+ if (dd)
+ add_dock_dependent_device(ds, dd);
+ }
+
+ return AE_OK;
+}
+
+/**
+ * dock_add - add a new dock station
+ * @handle: the dock station handle
+ *
+ * allocated and initialize a new dock station device. Find all devices
+ * that are on the dock station, and register for dock event notifications.
+ */
+static int dock_add(acpi_handle handle)
+{
+ int ret;
+ acpi_status status;
+ struct dock_dependent_device *dd;
+
+ /* allocate & initialize the dock_station private data */
+ dock_station = kzalloc(sizeof(*dock_station), GFP_KERNEL);
+ if (!dock_station)
+ return -ENOMEM;
+ dock_station->handle = handle;
+ dock_station->last_dock_time = jiffies - HZ;
+ INIT_LIST_HEAD(&dock_station->dependent_devices);
+ INIT_LIST_HEAD(&dock_station->hotplug_devices);
+ spin_lock_init(&dock_station->dd_lock);
+ spin_lock_init(&dock_station->hp_lock);
+
+ /* Find dependent devices */
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, find_dock_devices, dock_station,
+ NULL);
+
+ /* add the dock station as a device dependent on itself */
+ dd = alloc_dock_dependent_device(handle);
+ if (!dd) {
+ kfree(dock_station);
+ return -ENOMEM;
+ }
+ add_dock_dependent_device(dock_station, dd);
+
+ /* register for dock events */
+ status = acpi_install_notify_handler(dock_station->handle,
+ ACPI_SYSTEM_NOTIFY,
+ dock_notify, dock_station);
+
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_ERR PREFIX "Error installing notify handler\n");
+ ret = -ENODEV;
+ goto dock_add_err;
+ }
+
+ printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME);
+
+ return 0;
+
+dock_add_err:
+ kfree(dock_station);
+ kfree(dd);
+ return ret;
+}
+
+/**
+ * dock_remove - free up resources related to the dock station
+ */
+static int dock_remove(void)
+{
+ struct dock_dependent_device *dd, *tmp;
+ acpi_status status;
+
+ if (!dock_station)
+ return 0;
+
+ /* remove dependent devices */
+ list_for_each_entry_safe(dd, tmp, &dock_station->dependent_devices,
+ list)
+ kfree(dd);
+
+ /* remove dock notify handler */
+ status = acpi_remove_notify_handler(dock_station->handle,
+ ACPI_SYSTEM_NOTIFY,
+ dock_notify);
+ if (ACPI_FAILURE(status))
+ printk(KERN_ERR "Error removing notify handler\n");
+
+ /* free dock station memory */
+ kfree(dock_station);
+ return 0;
+}
+
+/**
+ * find_dock - look for a dock station
+ * @handle: acpi handle of a device
+ * @lvl: unused
+ * @context: counter of dock stations found
+ * @rv: unused
+ *
+ * This is called by acpi_walk_namespace to look for dock stations.
+ */
+static acpi_status
+find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+ int *count = (int *)context;
+ acpi_status status = AE_OK;
+
+ if (is_dock(handle)) {
+ if (dock_add(handle) >= 0) {
+ (*count)++;
+ status = AE_CTRL_TERMINATE;
+ }
+ }
+ return status;
+}
+
+static int __init dock_init(void)
+{
+ int num = 0;
+
+ dock_station = NULL;
+
+ /* look for a dock station */
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, find_dock, &num, NULL);
+
+ if (!num)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void __exit dock_exit(void)
+{
+ dock_remove();
+}
+
+postcore_initcall(dock_init);
+module_exit(dock_exit);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 18b3ea9..8c5d7df 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -207,16 +207,15 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_wait");
ec->intr.expect_event = event;
smp_mb();
switch (event) {
case ACPI_EC_EVENT_IBE:
- if (~acpi_ec_read_status(ec) & event) {
+ if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) {
ec->intr.expect_event = 0;
- return_VALUE(0);
+ return 0;
}
break;
default:
@@ -238,16 +237,16 @@
switch (event) {
case ACPI_EC_EVENT_OBF:
if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_OBF)
- return_VALUE(0);
+ return 0;
break;
case ACPI_EC_EVENT_IBE:
if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- return_VALUE(0);
+ return 0;
break;
}
- return_VALUE(-ETIME);
+ return -ETIME;
}
#ifdef ACPI_FUTURE_USAGE
@@ -260,7 +259,6 @@
u32 tmp = 0;
int status = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_enter_burst_mode");
status = acpi_ec_read_status(ec);
if (status != -EINVAL && !(status & ACPI_EC_FLAG_BURST)) {
@@ -272,22 +270,21 @@
status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
acpi_hw_low_level_read(8, &tmp, &ec->common.data_addr);
if (tmp != 0x90) { /* Burst ACK byte */
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
}
atomic_set(&ec->intr.leaving_burst, 0);
- return_VALUE(0);
+ return 0;
end:
- printk(KERN_WARNING PREFIX "Error in acpi_ec_wait\n");
- return_VALUE(-1);
+ ACPI_EXCEPTION ((AE_INFO, status, "EC wait, burst mode");
+ return -1;
}
int acpi_ec_leave_burst_mode(union acpi_ec *ec)
{
int status = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_leave_burst_mode");
status = acpi_ec_read_status(ec);
if (status != -EINVAL && (status & ACPI_EC_FLAG_BURST)){
@@ -298,10 +295,10 @@
acpi_ec_wait(ec, ACPI_EC_FLAG_IBF);
}
atomic_set(&ec->intr.leaving_burst, 1);
- return_VALUE(0);
+ return 0;
end:
- printk(KERN_WARNING PREFIX "leave burst_mode:error\n");
- return_VALUE(-1);
+ ACPI_EXCEPTION((AE_INFO, status, "EC leave burst mode");
+ return -1;
}
#endif /* ACPI_FUTURE_USAGE */
@@ -325,17 +322,16 @@
int result = 0;
u32 glk = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_read");
if (!ec || !data)
- return_VALUE(-EINVAL);
+ return -EINVAL;
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (down_interruptible(&ec->poll.sem)) {
@@ -365,7 +361,7 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(result);
+ return result;
}
static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data)
@@ -374,15 +370,14 @@
acpi_status status = AE_OK;
u32 glk = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_write");
if (!ec)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (down_interruptible(&ec->poll.sem)) {
@@ -415,7 +410,7 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(result);
+ return result;
}
static int acpi_ec_intr_read(union acpi_ec *ec, u8 address, u32 * data)
@@ -423,17 +418,16 @@
int status = 0;
u32 glk;
- ACPI_FUNCTION_TRACE("acpi_ec_read");
if (!ec || !data)
- return_VALUE(-EINVAL);
+ return -EINVAL;
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
WARN_ON(in_interrupt());
@@ -467,7 +461,7 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(status);
+ return status;
}
static int acpi_ec_intr_write(union acpi_ec *ec, u8 address, u8 data)
@@ -475,15 +469,14 @@
int status = 0;
u32 glk;
- ACPI_FUNCTION_TRACE("acpi_ec_write");
if (!ec)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
WARN_ON(in_interrupt());
@@ -516,7 +509,7 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(status);
+ return status;
}
/*
@@ -574,17 +567,16 @@
acpi_status status = AE_OK;
u32 glk = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_query");
if (!ec || !data)
- return_VALUE(-EINVAL);
+ return -EINVAL;
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
/*
@@ -613,23 +605,22 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(result);
+ return result;
}
static int acpi_ec_intr_query(union acpi_ec *ec, u32 * data)
{
int status = 0;
u32 glk;
- ACPI_FUNCTION_TRACE("acpi_ec_query");
if (!ec || !data)
- return_VALUE(-EINVAL);
+ return -EINVAL;
*data = 0;
if (ec->common.global_lock) {
status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&ec->intr.sem);
@@ -662,7 +653,7 @@
if (ec->common.global_lock)
acpi_release_global_lock(glk);
- return_VALUE(status);
+ return status;
}
/* --------------------------------------------------------------------------
@@ -691,13 +682,12 @@
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
- ACPI_FUNCTION_TRACE("acpi_ec_gpe_query");
if (!ec_cxt)
goto end;
if (down_interruptible (&ec->poll.sem)) {
- return_VOID;
+ return;
}
acpi_hw_low_level_read(8, &value, &ec->common.command_addr);
up(&ec->poll.sem);
@@ -734,7 +724,6 @@
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
- ACPI_FUNCTION_TRACE("acpi_ec_gpe_query");
if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_SCI)
result = acpi_ec_query(ec, &value);
@@ -793,12 +782,15 @@
case ACPI_EC_EVENT_OBF:
if (!(value & ACPI_EC_FLAG_OBF))
break;
+ ec->intr.expect_event = 0;
+ wake_up(&ec->intr.wait);
+ break;
case ACPI_EC_EVENT_IBE:
if ((value & ACPI_EC_FLAG_IBF))
break;
ec->intr.expect_event = 0;
wake_up(&ec->intr.wait);
- return ACPI_INTERRUPT_HANDLED;
+ break;
default:
break;
}
@@ -846,15 +838,14 @@
acpi_integer f_v = 0;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_space_handler");
if ((address > 0xFF) || !value || !handler_context)
- return_VALUE(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
if (bit_width != 8 && acpi_strict) {
printk(KERN_WARNING PREFIX
"acpi_ec_space_handler: bit_width should be 8\n");
- return_VALUE(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
}
ec = (union acpi_ec *)handler_context;
@@ -893,16 +884,16 @@
out:
switch (result) {
case -EINVAL:
- return_VALUE(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
break;
case -ENODEV:
- return_VALUE(AE_NOT_FOUND);
+ return AE_NOT_FOUND;
break;
case -ETIME:
- return_VALUE(AE_TIME);
+ return AE_TIME;
break;
default:
- return_VALUE(AE_OK);
+ return AE_OK;
}
}
@@ -916,7 +907,6 @@
{
union acpi_ec *ec = (union acpi_ec *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_ec_read_info");
if (!ec)
goto end;
@@ -931,7 +921,7 @@
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_ec_info_open_fs(struct inode *inode, struct file *file)
@@ -951,33 +941,29 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_ec_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
entry = create_proc_entry(ACPI_EC_FILE_INFO, S_IRUGO,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Unable to create '%s' fs entry\n",
- ACPI_EC_FILE_INFO));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_ec_info_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_ec_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_ec_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_EC_FILE_INFO, acpi_device_dir(device));
@@ -985,7 +971,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -998,14 +984,13 @@
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(ec, 0, sizeof(union acpi_ec));
ec->common.handle = device->handle;
@@ -1038,8 +1023,7 @@
acpi_evaluate_integer(ec->common.handle, "_GPE", NULL,
&ec->common.gpe_bit);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error obtaining GPE bit assignment\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Obtaining GPE bit"));
result = -ENODEV;
goto end;
}
@@ -1059,7 +1043,7 @@
if (result)
kfree(ec);
- return_VALUE(result);
+ return result;
}
static int acpi_ec_intr_add(struct acpi_device *device)
{
@@ -1067,14 +1051,13 @@
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL);
if (!ec)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(ec, 0, sizeof(union acpi_ec));
ec->common.handle = device->handle;
@@ -1110,8 +1093,7 @@
acpi_evaluate_integer(ec->common.handle, "_GPE", NULL,
&ec->common.gpe_bit);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error obtaining GPE bit assignment\n"));
+ printk(KERN_ERR PREFIX "Obtaining GPE bit assignment\n");
result = -ENODEV;
goto end;
}
@@ -1131,17 +1113,16 @@
if (result)
kfree(ec);
- return_VALUE(result);
+ return result;
}
static int acpi_ec_remove(struct acpi_device *device, int type)
{
union acpi_ec *ec = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_remove");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ec = acpi_driver_data(device);
@@ -1149,7 +1130,7 @@
kfree(ec);
- return_VALUE(0);
+ return 0;
}
static acpi_status
@@ -1188,15 +1169,14 @@
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_start");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ec = acpi_driver_data(device);
if (!ec)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* Get I/O port addresses. Convert to GAS format.
@@ -1205,9 +1185,8 @@
acpi_ec_io_ports, ec);
if (ACPI_FAILURE(status)
|| ec->common.command_addr.register_bit_width == 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error getting I/O port addresses"));
- return_VALUE(-ENODEV);
+ printk(KERN_ERR PREFIX "Error getting I/O port addresses\n");
+ return -ENODEV;
}
ec->common.status_addr = ec->common.command_addr;
@@ -1224,7 +1203,7 @@
ACPI_GPE_EDGE_TRIGGERED,
&acpi_ec_gpe_handler, ec);
if (ACPI_FAILURE(status)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
acpi_set_gpe_type(NULL, ec->common.gpe_bit, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR);
@@ -1236,10 +1215,10 @@
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec->common.gpe_bit,
&acpi_ec_gpe_handler);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(AE_OK);
+ return AE_OK;
}
static int acpi_ec_stop(struct acpi_device *device, int type)
@@ -1247,10 +1226,9 @@
acpi_status status = AE_OK;
union acpi_ec *ec = NULL;
- ACPI_FUNCTION_TRACE("acpi_ec_stop");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
ec = acpi_driver_data(device);
@@ -1258,15 +1236,15 @@
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
status =
acpi_remove_gpe_handler(NULL, ec->common.gpe_bit,
&acpi_ec_gpe_handler);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
static acpi_status __init
@@ -1536,23 +1514,22 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_ec_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
acpi_ec_dir = proc_mkdir(ACPI_EC_CLASS, acpi_root_dir);
if (!acpi_ec_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* Now register the driver for the EC */
result = acpi_bus_register_driver(&acpi_ec_driver);
if (result < 0) {
remove_proc_entry(ACPI_EC_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(result);
+ return result;
}
subsys_initcall(acpi_ec_init);
@@ -1561,13 +1538,12 @@
#if 0
static void __exit acpi_ec_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_ec_exit");
acpi_bus_unregister_driver(&acpi_ec_driver);
remove_proc_entry(ACPI_EC_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
#endif /* 0 */
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 2dbb1b0f..a901b23 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -48,18 +48,17 @@
static int chars_remaining = 0;
static char *ptr;
- ACPI_FUNCTION_TRACE("acpi_system_read_event");
if (!chars_remaining) {
memset(&event, 0, sizeof(struct acpi_bus_event));
if ((file->f_flags & O_NONBLOCK)
&& (list_empty(&acpi_bus_event_list)))
- return_VALUE(-EAGAIN);
+ return -EAGAIN;
result = acpi_bus_receive_event(&event);
if (result)
- return_VALUE(result);
+ return result;
chars_remaining = sprintf(str, "%s %s %08x %08x\n",
event.device_class ? event.
@@ -75,13 +74,13 @@
}
if (copy_to_user(buffer, ptr, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
*ppos += count;
chars_remaining -= count;
ptr += count;
- return_VALUE(count);
+ return count;
}
static int acpi_system_close_event(struct inode *inode, struct file *file)
@@ -112,22 +111,18 @@
struct proc_dir_entry *entry;
int error = 0;
- ACPI_FUNCTION_TRACE("acpi_event_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
/* 'event' [R] */
entry = create_proc_entry("event", S_IRUSR, acpi_root_dir);
if (entry)
entry->proc_fops = &acpi_system_event_ops;
else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' proc fs entry\n",
- "event"));
- error = -EFAULT;
+ error = -ENODEV;
}
- return_VALUE(error);
+ return error;
}
subsys_initcall(acpi_event_init);
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index f01d339..c76c058 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -382,7 +382,6 @@
u32 status_reg;
u32 enable_reg;
acpi_cpu_flags flags;
- acpi_cpu_flags hw_flags;
acpi_native_uint i;
acpi_native_uint j;
@@ -394,8 +393,11 @@
return (int_status);
}
- /* We need to hold the GPE lock now, hardware lock in the loop */
-
+ /*
+ * We need to obtain the GPE lock for both the data structs and registers
+ * Note: Not necessary to obtain the hardware lock, since the GPE registers
+ * are owned by the gpe_lock.
+ */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Examine all GPE blocks attached to this interrupt level */
@@ -413,8 +415,6 @@
gpe_register_info = &gpe_block->register_info[i];
- hw_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
-
/* Read the Status Register */
status =
@@ -423,8 +423,6 @@
&gpe_register_info->
status_address);
if (ACPI_FAILURE(status)) {
- acpi_os_release_lock(acpi_gbl_hardware_lock,
- hw_flags);
goto unlock_and_exit;
}
@@ -435,8 +433,6 @@
&enable_reg,
&gpe_register_info->
enable_address);
- acpi_os_release_lock(acpi_gbl_hardware_lock, hw_flags);
-
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 76c34a6..4f948df 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -414,12 +414,13 @@
if ((!device) ||
(!handler) || (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ status = AE_BAD_PARAMETER;
+ goto exit;
}
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
/* Convert and validate the device handle */
@@ -427,7 +428,7 @@
node = acpi_ns_map_handle_to_node(device);
if (!node) {
status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ goto unlock;
}
/* Root Object */
@@ -441,7 +442,7 @@
((handler_type & ACPI_DEVICE_NOTIFY) &&
!acpi_gbl_device_notify.handler)) {
status = AE_NOT_EXIST;
- goto unlock_and_exit;
+ goto unlock;
}
/* Make sure all deferred tasks are completed */
@@ -450,7 +451,7 @@
acpi_os_wait_events_complete(NULL);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
if (handler_type & ACPI_SYSTEM_NOTIFY) {
@@ -473,7 +474,7 @@
if (!acpi_ev_is_notify_object(node)) {
status = AE_TYPE;
- goto unlock_and_exit;
+ goto unlock;
}
/* Check for an existing internal object */
@@ -481,7 +482,7 @@
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
status = AE_NOT_EXIST;
- goto unlock_and_exit;
+ goto unlock;
}
/* Object exists - make sure there's an existing handler */
@@ -491,7 +492,7 @@
if ((!notify_obj) ||
(notify_obj->notify.handler != handler)) {
status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ goto unlock;
}
/* Make sure all deferred tasks are completed */
@@ -499,7 +500,7 @@
acpi_os_wait_events_complete(NULL);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
/* Remove the handler */
@@ -512,7 +513,7 @@
if ((!notify_obj) ||
(notify_obj->notify.handler != handler)) {
status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ goto unlock;
}
/* Make sure all deferred tasks are completed */
@@ -520,7 +521,7 @@
acpi_os_wait_events_complete(NULL);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
/* Remove the handler */
@@ -529,8 +530,11 @@
}
}
- unlock_and_exit:
+unlock:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+exit:
+ if (ACPI_FAILURE(status))
+ ACPI_EXCEPTION((AE_INFO, status, "Removing notify handler"));
return_ACPI_STATUS(status);
}
@@ -568,12 +572,13 @@
/* Parameter validation */
if ((!address) || (type > ACPI_GPE_XRUPT_TYPE_MASK)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ status = AE_BAD_PARAMETER;
+ goto exit;
}
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto exit;
}
/* Ensure that we have a valid GPE number */
@@ -581,7 +586,7 @@
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
if (!gpe_event_info) {
status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ goto unlock;
}
/* Make sure that there isn't a handler there already */
@@ -589,7 +594,7 @@
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
status = AE_ALREADY_EXISTS;
- goto unlock_and_exit;
+ goto unlock;
}
/* Allocate and init handler object */
@@ -597,7 +602,7 @@
handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
if (!handler) {
status = AE_NO_MEMORY;
- goto unlock_and_exit;
+ goto unlock;
}
handler->address = address;
@@ -608,7 +613,7 @@
status = acpi_ev_disable_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
+ goto unlock;
}
/* Install the handler */
@@ -623,8 +628,12 @@
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
- unlock_and_exit:
+unlock:
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+exit:
+ if (ACPI_FAILURE(status))
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Installing notify handler failed"));
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 8233524..83fed07 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -266,6 +266,10 @@
}
}
+ ACPI_INFO((AE_INFO,
+ "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]",
+ table->signature, table->oem_id, table->oem_table_id));
+
*return_desc = ddb_handle;
return_ACPI_STATUS(status);
}
@@ -446,6 +450,10 @@
return_ACPI_STATUS(status);
}
+ ACPI_INFO((AE_INFO,
+ "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]",
+ table_ptr->oem_id, table_ptr->oem_table_id));
+
cleanup:
if (ACPI_FAILURE(status)) {
ACPI_FREE(table_ptr);
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index 106dc72..34eec82 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -177,7 +177,7 @@
* that the event is created in an unsignalled state
*/
status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
- &obj_desc->event.semaphore);
+ &obj_desc->event.os_semaphore);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -226,12 +226,9 @@
goto cleanup;
}
- /*
- * Create the actual OS semaphore.
- * One unit max to make it a mutex, with one initial unit to allow
- * the mutex to be acquired.
- */
- status = acpi_os_create_semaphore(1, 1, &obj_desc->mutex.semaphore);
+ /* Create the actual OS Mutex */
+
+ status = acpi_os_create_mutex(&obj_desc->mutex.os_mutex);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -565,7 +562,7 @@
obj_desc->method.aml_length = aml_length;
/*
- * Disassemble the method flags. Split off the Arg Count
+ * Disassemble the method flags. Split off the Arg Count
* for efficiency
*/
method_flags = (u8) operand[1]->integer.value;
@@ -576,21 +573,19 @@
(u8) (method_flags & AML_METHOD_ARG_COUNT);
/*
- * Get the concurrency count. If required, a semaphore will be
+ * Get the sync_level. If method is serialized, a mutex will be
* created for this method when it is parsed.
*/
if (acpi_gbl_all_methods_serialized) {
- obj_desc->method.concurrency = 1;
+ obj_desc->method.sync_level = 0;
obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
} else if (method_flags & AML_METHOD_SERIALIZED) {
/*
- * ACPI 1.0: Concurrency = 1
- * ACPI 2.0: Concurrency = (sync_level (in method declaration) + 1)
+ * ACPI 1.0: sync_level = 0
+ * ACPI 2.0: sync_level = sync_level in method declaration
*/
- obj_desc->method.concurrency = (u8)
- (((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4) + 1);
- } else {
- obj_desc->method.concurrency = ACPI_INFINITE_CONCURRENCY;
+ obj_desc->method.sync_level = (u8)
+ ((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4);
}
/* Attach the new object to the method Node */
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 7b9718e..2450943 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -118,14 +118,14 @@
static struct acpi_exdump_info acpi_ex_dump_event[2] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
- {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.semaphore), "Semaphore"}
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
};
static struct acpi_exdump_info acpi_ex_dump_method[8] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
- {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
- {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
@@ -138,7 +138,7 @@
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
"Acquire Depth"},
- {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.semaphore), "Semaphore"}
+ {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
};
static struct acpi_exdump_info acpi_ex_dump_region[7] = {
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index 051053f..40f0bee 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -727,11 +727,23 @@
return_ACPI_STATUS(status);
}
- /* Merge with previous datum if necessary */
-
- merged_datum |= raw_datum <<
- (obj_desc->common_field.access_bit_width -
- obj_desc->common_field.start_field_bit_offset);
+ /*
+ * Merge with previous datum if necessary.
+ *
+ * Note: Before the shift, check if the shift value will be larger than
+ * the integer size. If so, there is no need to perform the operation.
+ * This avoids the differences in behavior between different compilers
+ * concerning shift values larger than the target data width.
+ */
+ if ((obj_desc->common_field.access_bit_width -
+ obj_desc->common_field.start_field_bit_offset) <
+ ACPI_INTEGER_BIT_SIZE) {
+ merged_datum |=
+ raw_datum << (obj_desc->common_field.
+ access_bit_width -
+ obj_desc->common_field.
+ start_field_bit_offset);
+ }
if (i == datum_count) {
break;
@@ -808,13 +820,23 @@
return_ACPI_STATUS(AE_BUFFER_OVERFLOW);
}
- /* Compute the number of datums (access width data items) */
+ /*
+ * Create the bitmasks used for bit insertion.
+ * Note: This if/else is used to bypass compiler differences with the
+ * shift operator
+ */
+ if (obj_desc->common_field.access_bit_width == ACPI_INTEGER_BIT_SIZE) {
+ width_mask = ACPI_INTEGER_MAX;
+ } else {
+ width_mask =
+ ACPI_MASK_BITS_ABOVE(obj_desc->common_field.
+ access_bit_width);
+ }
- width_mask =
- ACPI_MASK_BITS_ABOVE(obj_desc->common_field.access_bit_width);
- mask =
- width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field.
- start_field_bit_offset);
+ mask = width_mask &
+ ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset);
+
+ /* Compute the number of datums (access width data items) */
datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
obj_desc->common_field.access_bit_width);
@@ -848,12 +870,29 @@
return_ACPI_STATUS(status);
}
- /* Start new output datum by merging with previous input datum */
-
field_offset += obj_desc->common_field.access_byte_width;
- merged_datum = raw_datum >>
- (obj_desc->common_field.access_bit_width -
- obj_desc->common_field.start_field_bit_offset);
+
+ /*
+ * Start new output datum by merging with previous input datum
+ * if necessary.
+ *
+ * Note: Before the shift, check if the shift value will be larger than
+ * the integer size. If so, there is no need to perform the operation.
+ * This avoids the differences in behavior between different compilers
+ * concerning shift values larger than the target data width.
+ */
+ if ((obj_desc->common_field.access_bit_width -
+ obj_desc->common_field.start_field_bit_offset) <
+ ACPI_INTEGER_BIT_SIZE) {
+ merged_datum =
+ raw_datum >> (obj_desc->common_field.
+ access_bit_width -
+ obj_desc->common_field.
+ start_field_bit_offset);
+ } else {
+ merged_datum = 0;
+ }
+
mask = width_mask;
if (i == datum_count) {
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index 93098d6..d8ac287 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -161,12 +161,13 @@
/*
* Current Sync must be less than or equal to the sync level of the
- * mutex. This mechanism provides some deadlock prevention
+ * mutex. This mechanism provides some deadlock prevention
*/
if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
ACPI_ERROR((AE_INFO,
- "Cannot acquire Mutex [%4.4s], incorrect SyncLevel",
- acpi_ut_get_node_name(obj_desc->mutex.node)));
+ "Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%d)",
+ acpi_ut_get_node_name(obj_desc->mutex.node),
+ walk_state->thread->current_sync_level));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
@@ -178,8 +179,7 @@
if ((obj_desc->mutex.owner_thread->thread_id ==
walk_state->thread->thread_id) ||
- (obj_desc->mutex.semaphore ==
- acpi_gbl_global_lock_semaphore)) {
+ (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK)) {
/*
* The mutex is already owned by this thread,
* just increment the acquisition depth
@@ -264,7 +264,7 @@
*/
if ((obj_desc->mutex.owner_thread->thread_id !=
walk_state->thread->thread_id)
- && (obj_desc->mutex.semaphore != acpi_gbl_global_lock_semaphore)) {
+ && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) {
ACPI_ERROR((AE_INFO,
"Thread %X cannot release Mutex [%4.4s] acquired by thread %X",
walk_state->thread->thread_id,
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index 52beee3..6b5d1e6 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -63,14 +63,14 @@
* interpreter is released.
*
******************************************************************************/
-acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
+acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
{
acpi_status status;
acpi_status status2;
ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
- status = acpi_os_wait_semaphore(semaphore, 1, 0);
+ status = acpi_os_wait_semaphore(semaphore, 1, ACPI_DO_NOT_WAIT);
if (ACPI_SUCCESS(status)) {
return_ACPI_STATUS(status);
}
@@ -103,6 +103,59 @@
/*******************************************************************************
*
+ * FUNCTION: acpi_ex_system_wait_mutex
+ *
+ * PARAMETERS: Mutex - Mutex to wait on
+ * Timeout - Max time to wait
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Implements a semaphore wait with a check to see if the
+ * semaphore is available immediately. If it is not, the
+ * interpreter is released.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
+{
+ acpi_status status;
+ acpi_status status2;
+
+ ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
+
+ status = acpi_os_acquire_mutex(mutex, ACPI_DO_NOT_WAIT);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ if (status == AE_TIME) {
+
+ /* We must wait, so unlock the interpreter */
+
+ acpi_ex_exit_interpreter();
+
+ status = acpi_os_acquire_mutex(mutex, timeout);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "*** Thread awake after blocking, %s\n",
+ acpi_format_exception(status)));
+
+ /* Reacquire the interpreter */
+
+ status2 = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status2)) {
+
+ /* Report fatal error, could not acquire interpreter */
+
+ return_ACPI_STATUS(status2);
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ex_system_do_stall
*
* PARAMETERS: how_long - The amount of time to stall,
@@ -176,7 +229,7 @@
*
* FUNCTION: acpi_ex_system_acquire_mutex
*
- * PARAMETERS: time_desc - The 'time to delay' object descriptor
+ * PARAMETERS: time_desc - Maximum time to wait for the mutex
* obj_desc - The object descriptor for this op
*
* RETURN: Status
@@ -201,14 +254,14 @@
/* Support for the _GL_ Mutex object -- go get the global lock */
- if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
+ if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
status =
acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
return_ACPI_STATUS(status);
}
- status = acpi_ex_system_wait_semaphore(obj_desc->mutex.semaphore,
- (u16) time_desc->integer.value);
+ status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex,
+ (u16) time_desc->integer.value);
return_ACPI_STATUS(status);
}
@@ -239,13 +292,13 @@
/* Support for the _GL_ Mutex object -- release the global lock */
- if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
+ if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) {
status = acpi_ev_release_global_lock();
return_ACPI_STATUS(status);
}
- status = acpi_os_signal_semaphore(obj_desc->mutex.semaphore, 1);
- return_ACPI_STATUS(status);
+ acpi_os_release_mutex(obj_desc->mutex.os_mutex);
+ return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
@@ -268,7 +321,8 @@
ACPI_FUNCTION_TRACE(ex_system_signal_event);
if (obj_desc) {
- status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1);
+ status =
+ acpi_os_signal_semaphore(obj_desc->event.os_semaphore, 1);
}
return_ACPI_STATUS(status);
@@ -299,7 +353,7 @@
if (obj_desc) {
status =
- acpi_ex_system_wait_semaphore(obj_desc->event.semaphore,
+ acpi_ex_system_wait_semaphore(obj_desc->event.os_semaphore,
(u16) time_desc->integer.
value);
}
@@ -322,7 +376,7 @@
acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc)
{
acpi_status status = AE_OK;
- void *temp_semaphore;
+ acpi_semaphore temp_semaphore;
ACPI_FUNCTION_ENTRY();
@@ -333,8 +387,8 @@
status =
acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
if (ACPI_SUCCESS(status)) {
- (void)acpi_os_delete_semaphore(obj_desc->event.semaphore);
- obj_desc->event.semaphore = temp_semaphore;
+ (void)acpi_os_delete_semaphore(obj_desc->event.os_semaphore);
+ obj_desc->event.os_semaphore = temp_semaphore;
}
return (status);
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 1cd2578..38acc69 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -78,7 +78,6 @@
struct acpi_fan *fan = seq->private;
int state = 0;
- ACPI_FUNCTION_TRACE("acpi_fan_read_state");
if (fan) {
if (acpi_bus_get_power(fan->handle, &state))
@@ -87,7 +86,7 @@
seq_printf(seq, "status: %s\n",
!state ? "on" : "off");
}
- return_VALUE(0);
+ return 0;
}
static int acpi_fan_state_open_fs(struct inode *inode, struct file *file)
@@ -104,22 +103,21 @@
struct acpi_fan *fan = (struct acpi_fan *)m->private;
char state_string[12] = { '\0' };
- ACPI_FUNCTION_TRACE("acpi_fan_write_state");
if (!fan || (count > sizeof(state_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(state_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
state_string[count] = '\0';
result = acpi_bus_set_power(fan->handle,
simple_strtoul(state_string, NULL, 0));
if (result)
- return_VALUE(result);
+ return result;
- return_VALUE(count);
+ return count;
}
static struct file_operations acpi_fan_state_ops = {
@@ -135,16 +133,15 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_fan_add_fs");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_fan_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
@@ -153,21 +150,18 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_FAN_FILE_STATE));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_fan_state_ops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_fan_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_fan_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_FAN_FILE_STATE, acpi_device_dir(device));
@@ -175,7 +169,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -188,14 +182,13 @@
struct acpi_fan *fan = NULL;
int state = 0;
- ACPI_FUNCTION_TRACE("acpi_fan_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
fan = kmalloc(sizeof(struct acpi_fan), GFP_KERNEL);
if (!fan)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(fan, 0, sizeof(struct acpi_fan));
fan->handle = device->handle;
@@ -205,8 +198,7 @@
result = acpi_bus_get_power(fan->handle, &state);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error reading power state\n"));
+ printk(KERN_ERR PREFIX "Reading power state\n");
goto end;
}
@@ -226,17 +218,16 @@
if (result)
kfree(fan);
- return_VALUE(result);
+ return result;
}
static int acpi_fan_remove(struct acpi_device *device, int type)
{
struct acpi_fan *fan = NULL;
- ACPI_FUNCTION_TRACE("acpi_fan_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
fan = (struct acpi_fan *)acpi_driver_data(device);
@@ -244,7 +235,7 @@
kfree(fan);
- return_VALUE(0);
+ return 0;
}
static int acpi_fan_suspend(struct acpi_device *device, int state)
@@ -283,31 +274,29 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_fan_init");
acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir);
if (!acpi_fan_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_fan_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_fan_driver);
if (result < 0) {
remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_fan_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_fan_exit");
acpi_bus_unregister_driver(&acpi_fan_driver);
remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_fan_init);
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index ae142de..3143f36 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -172,9 +172,9 @@
}
/*
- * The package must have at least two elements. NOTE (March 2005): This
+ * The package must have at least two elements. NOTE (March 2005): This
* goes against the current ACPI spec which defines this object as a
- * package with one encoded DWORD element. However, existing practice
+ * package with one encoded DWORD element. However, existing practice
* by BIOS vendors seems to be to have 2 or more elements, at least
* one per sleep type (A/B).
*/
@@ -255,7 +255,7 @@
* return_value - Value that was read from the register
* Flags - Lock the hardware or not
*
- * RETURN: Status and the value read from specified Register. Value
+ * RETURN: Status and the value read from specified Register. Value
* returned is normalized to bit0 (is shifted all the way right)
*
* DESCRIPTION: ACPI bit_register read function.
@@ -361,8 +361,8 @@
case ACPI_REGISTER_PM1_STATUS:
/*
- * Status Registers are different from the rest. Clear by
- * writing 1, and writing 0 has no effect. So, the only relevant
+ * Status Registers are different from the rest. Clear by
+ * writing 1, and writing 0 has no effect. So, the only relevant
* information is the single bit we're interested in, all others should
* be written as 0 so they will be left unchanged.
*/
@@ -467,14 +467,13 @@
*
* FUNCTION: acpi_hw_register_read
*
- * PARAMETERS: use_lock - Mutex hw access
- * register_id - register_iD + Offset
+ * PARAMETERS: use_lock - Lock hardware? True/False
+ * register_id - ACPI Register ID
* return_value - Where the register value is returned
*
* RETURN: Status and the value read.
*
- * DESCRIPTION: Acpi register read function. Registers are read at the
- * given offset.
+ * DESCRIPTION: Read from the specified ACPI register
*
******************************************************************************/
acpi_status
@@ -580,14 +579,26 @@
*
* FUNCTION: acpi_hw_register_write
*
- * PARAMETERS: use_lock - Mutex hw access
- * register_id - register_iD + Offset
+ * PARAMETERS: use_lock - Lock hardware? True/False
+ * register_id - ACPI Register ID
* Value - The value to write
*
* RETURN: Status
*
- * DESCRIPTION: Acpi register Write function. Registers are written at the
- * given offset.
+ * DESCRIPTION: Write to the specified ACPI register
+ *
+ * NOTE: In accordance with the ACPI specification, this function automatically
+ * preserves the value of the following bits, meaning that these bits cannot be
+ * changed via this interface:
+ *
+ * PM1_CONTROL[0] = SCI_EN
+ * PM1_CONTROL[9]
+ * PM1_STATUS[11]
+ *
+ * ACPI References:
+ * 1) Hardware Ignored Bits: When software writes to a register with ignored
+ * bit fields, it preserves the ignored bit fields
+ * 2) SCI_EN: OSPM always preserves this bit position
*
******************************************************************************/
@@ -595,6 +606,7 @@
{
acpi_status status;
acpi_cpu_flags lock_flags = 0;
+ u32 read_value;
ACPI_FUNCTION_TRACE(hw_register_write);
@@ -605,6 +617,22 @@
switch (register_id) {
case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
+ /* Perform a read first to preserve certain bits (per ACPI spec) */
+
+ status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_STATUS,
+ &read_value);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /* Insert the bits to be preserved */
+
+ ACPI_INSERT_BITS(value, ACPI_PM1_STATUS_PRESERVED_BITS,
+ read_value);
+
+ /* Now we can write the data */
+
status =
acpi_hw_low_level_write(16, value,
&acpi_gbl_FADT->xpm1a_evt_blk);
@@ -635,6 +663,25 @@
case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
+ /*
+ * Perform a read first to preserve certain bits (per ACPI spec)
+ *
+ * Note: This includes SCI_EN, we never want to change this bit
+ */
+ status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_CONTROL,
+ &read_value);
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+
+ /* Insert the bits to be preserved */
+
+ ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS,
+ read_value);
+
+ /* Now we can write the data */
+
status =
acpi_hw_low_level_write(16, value,
&acpi_gbl_FADT->xpm1a_cnt_blk);
@@ -726,7 +773,7 @@
return (AE_OK);
}
- /* Get a local copy of the address. Handles possible alignment issues */
+ /* Get a local copy of the address. Handles possible alignment issues */
ACPI_MOVE_64_TO_64(&address, ®->address);
if (!address) {
@@ -798,7 +845,7 @@
return (AE_OK);
}
- /* Get a local copy of the address. Handles possible alignment issues */
+ /* Get a local copy of the address. Handles possible alignment issues */
ACPI_MOVE_64_TO_64(&address, ®->address);
if (!address) {
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index c25b2b9..fd81a0f 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -231,11 +231,10 @@
static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
{
- ACPI_FUNCTION_TRACE("hotkey_info_seq_show");
seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION);
- return_VALUE(0);
+ return 0;
}
static int hotkey_info_open_fs(struct inode *inode, struct file *file)
@@ -266,7 +265,6 @@
(struct acpi_polling_hotkey *)seq->private;
char *buf;
- ACPI_FUNCTION_TRACE("hotkey_polling_seq_show");
if (poll_hotkey->poll_result) {
buf = format_result(poll_hotkey->poll_result);
@@ -274,7 +272,7 @@
seq_printf(seq, "%s", buf);
kfree(buf);
}
- return_VALUE(0);
+ return 0;
}
static int hotkey_polling_open_fs(struct inode *inode, struct file *file)
@@ -293,7 +291,6 @@
struct list_head *entries;
int val = -1;
- ACPI_FUNCTION_TRACE("hotkey_get_internal_event");
list_for_each(entries, list->entries) {
union acpi_hotkey *key =
@@ -305,7 +302,7 @@
}
}
- return_VALUE(val);
+ return val;
}
static void
@@ -314,15 +311,14 @@
struct acpi_device *device = NULL;
u32 internal_event;
- ACPI_FUNCTION_TRACE("acpi_hotkey_notify_handler");
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
acpi_bus_generate_event(device, internal_event, 0);
- return_VOID;
+ return;
}
/* Need to invent automatically hotkey add method */
@@ -346,7 +342,6 @@
char proc_name[80];
mode_t mode;
- ACPI_FUNCTION_TRACE("create_polling_proc");
mode = S_IFREG | S_IRUGO | S_IWUGO;
sprintf(proc_name, "%d", device->link.hotkey_standard_num);
@@ -356,10 +351,7 @@
proc = create_proc_entry(proc_name, mode, hotkey_proc_dir);
if (!proc) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- device->poll_hotkey.poll_method));
- return_VALUE(-ENODEV);
+ return -ENODEV;
} else {
proc->proc_fops = &hotkey_polling_fops;
proc->owner = THIS_MODULE;
@@ -368,7 +360,7 @@
proc->gid = 0;
device->poll_hotkey.proc = proc;
}
- return_VALUE(0);
+ return 0;
}
static int hotkey_add(union acpi_hotkey *device)
@@ -376,7 +368,6 @@
int status = 0;
struct acpi_device *dev = NULL;
- ACPI_FUNCTION_TRACE("hotkey_add");
if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
@@ -391,14 +382,13 @@
list_add_tail(&device->link.entries, global_hotkey_list.entries);
- return_VALUE(status);
+ return status;
}
static int hotkey_remove(union acpi_hotkey *device)
{
struct list_head *entries, *next;
- ACPI_FUNCTION_TRACE("hotkey_remove");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =
@@ -412,14 +402,13 @@
}
}
kfree(device);
- return_VALUE(0);
+ return 0;
}
static int hotkey_update(union acpi_hotkey *key)
{
struct list_head *entries;
- ACPI_FUNCTION_TRACE("hotkey_update");
list_for_each(entries, global_hotkey_list.entries) {
union acpi_hotkey *tmp =
@@ -461,19 +450,18 @@
*/
kfree(key);
}
- return_VALUE(0);
+ return 0;
break;
}
}
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static void free_hotkey_device(union acpi_hotkey *key)
{
struct acpi_device *dev;
- ACPI_FUNCTION_TRACE("free_hotkey_device");
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
@@ -493,7 +481,7 @@
free_poll_hotkey_buffer(key);
}
kfree(key);
- return_VOID;
+ return;
}
static void free_hotkey_buffer(union acpi_hotkey *key)
@@ -514,7 +502,6 @@
acpi_handle tmp_handle;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("init_hotkey_device");
if (std_num < 0 || IS_POLL(std_num) || !key)
goto do_fail;
@@ -541,9 +528,9 @@
method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
- return_VALUE(AE_OK);
+ return AE_OK;
do_fail:
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int
@@ -555,7 +542,6 @@
acpi_status status = AE_OK;
acpi_handle tmp_handle;
- ACPI_FUNCTION_TRACE("init_poll_hotkey_device");
if (std_num < 0 || IS_EVENT(std_num) || !key)
goto do_fail;
@@ -590,22 +576,20 @@
(union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!key->poll_hotkey.poll_result)
goto do_fail;
- return_VALUE(AE_OK);
+ return AE_OK;
do_fail:
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int hotkey_open_config(struct inode *inode, struct file *file)
{
- ACPI_FUNCTION_TRACE("hotkey_open_config");
- return_VALUE(single_open
+ return (single_open
(file, hotkey_config_seq_show, PDE(inode)->data));
}
static int hotkey_poll_open_config(struct inode *inode, struct file *file)
{
- ACPI_FUNCTION_TRACE("hotkey_poll_open_config");
- return_VALUE(single_open
+ return (single_open
(file, hotkey_poll_config_seq_show, PDE(inode)->data));
}
@@ -618,7 +602,6 @@
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
- ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
@@ -636,7 +619,7 @@
}
}
seq_puts(seq, "\n");
- return_VALUE(0);
+ return 0;
}
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
@@ -648,7 +631,6 @@
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
- ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
@@ -666,7 +648,7 @@
}
}
seq_puts(seq, "\n");
- return_VALUE(0);
+ return 0;
}
static int
@@ -678,7 +660,6 @@
char **method, int *internal_event_num, int *external_event_num)
{
char *tmp, *tmp1, count;
- ACPI_FUNCTION_TRACE(("get_parms"));
sscanf(config_record, "%d", cmd);
@@ -744,9 +725,9 @@
0)
goto do_fail;
- return_VALUE(6);
+ return 6;
do_fail:
- return_VALUE(-1);
+ return -1;
}
/* count is length for one input record */
@@ -763,16 +744,15 @@
int ret = 0;
union acpi_hotkey *key = NULL;
- ACPI_FUNCTION_TRACE(("hotkey_write_config"));
config_record = (char *)kmalloc(count + 1, GFP_KERNEL);
if (!config_record)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
if (copy_from_user(config_record, buffer, count)) {
kfree(config_record);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid data\n");
+ return -EINVAL;
}
config_record[count] = 0;
@@ -792,9 +772,8 @@
kfree(bus_method);
kfree(action_handle);
kfree(method);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid data format ret=%d\n", ret));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret);
+ return -EINVAL;
}
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
@@ -806,7 +785,7 @@
tmp = get_hotkey_by_event(&global_hotkey_list,
internal_event_num);
if (!tmp)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid key"));
+ printk(KERN_ERR PREFIX "Invalid key\n");
else
memcpy(key, tmp, sizeof(union acpi_hotkey));
goto cont_cmd;
@@ -828,8 +807,8 @@
else
free_poll_hotkey_buffer(key);
kfree(key);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid hotkey\n");
+ return -EINVAL;
}
cont_cmd:
@@ -855,15 +834,15 @@
goto fail_out;
break;
}
- return_VALUE(count);
+ return count;
fail_out:
if (IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
else
free_poll_hotkey_buffer(key);
kfree(key);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "invalid key\n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "invalid key\n");
+ return -EINVAL;
}
/*
@@ -880,7 +859,6 @@
union acpi_object in_obj; /* the only param we use */
acpi_status status;
- ACPI_FUNCTION_TRACE("write_acpi_int");
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
@@ -888,7 +866,7 @@
status = acpi_evaluate_object(handle, (char *)method, ¶ms, output);
- return_VALUE(status == AE_OK);
+ return (status == AE_OK);
}
static int read_acpi_int(acpi_handle handle, const char *method,
@@ -898,7 +876,6 @@
union acpi_object out_obj;
acpi_status status;
- ACPI_FUNCTION_TRACE("read_acpi_int");
output.length = sizeof(out_obj);
output.pointer = &out_obj;
@@ -907,8 +884,8 @@
val->integer.value = out_obj.integer.value;
val->type = out_obj.type;
} else
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "null val pointer"));
- return_VALUE((status == AE_OK)
+ printk(KERN_ERR PREFIX "null val pointer\n");
+ return ((status == AE_OK)
&& (out_obj.type == ACPI_TYPE_INTEGER));
}
@@ -945,24 +922,23 @@
int event, method_type, type, value;
union acpi_hotkey *key;
- ACPI_FUNCTION_TRACE("hotkey_execte_aml_method");
arg = (char *)kmalloc(count + 1, GFP_KERNEL);
if (!arg)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
arg[count] = 0;
if (copy_from_user(arg, buffer, count)) {
kfree(arg);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid argument 2\n");
+ return -EINVAL;
}
if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) !=
4) {
kfree(arg);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid argument 3\n");
+ return -EINVAL;
}
kfree(arg);
if (type == ACPI_TYPE_INTEGER) {
@@ -987,12 +963,12 @@
}
} else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported"));
- return_VALUE(-EINVAL);
+ printk(KERN_WARNING "Not supported\n");
+ return -EINVAL;
}
- return_VALUE(count);
+ return count;
do_fail:
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
@@ -1001,7 +977,6 @@
int result;
mode_t mode = S_IFREG | S_IRUGO | S_IWUGO;
- ACPI_FUNCTION_TRACE("hotkey_init");
if (acpi_disabled)
return -ENODEV;
@@ -1013,9 +988,6 @@
hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir);
if (!hotkey_proc_dir) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- HOTKEY_PROC));
return (-ENODEV);
}
hotkey_proc_dir->owner = THIS_MODULE;
@@ -1023,9 +995,6 @@
hotkey_config =
create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir);
if (!hotkey_config) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- HOTKEY_EV_CONFIG));
goto do_fail1;
} else {
hotkey_config->proc_fops = &hotkey_config_fops;
@@ -1038,10 +1007,6 @@
hotkey_poll_config =
create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir);
if (!hotkey_poll_config) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- HOTKEY_EV_CONFIG));
-
goto do_fail2;
} else {
hotkey_poll_config->proc_fops = &hotkey_poll_config_fops;
@@ -1053,9 +1018,6 @@
hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir);
if (!hotkey_action) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- HOTKEY_ACTION));
goto do_fail3;
} else {
hotkey_action->proc_fops = &hotkey_action_fops;
@@ -1066,9 +1028,6 @@
hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir);
if (!hotkey_info) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Hotkey: Unable to create %s entry\n",
- HOTKEY_INFO));
goto do_fail4;
} else {
hotkey_info->proc_fops = &hotkey_info_fops;
@@ -1104,7 +1063,6 @@
{
struct list_head *entries, *next;
- ACPI_FUNCTION_TRACE("hotkey_exit");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index d51d68f..ec6b7f9 100644
--- a/drivers/acpi/motherboard.c
+++ b/drivers/acpi/motherboard.c
@@ -52,13 +52,12 @@
{
struct resource *requested_res = NULL;
- ACPI_FUNCTION_TRACE("acpi_reserve_io_ranges");
if (res->type == ACPI_RESOURCE_TYPE_IO) {
struct acpi_resource_io *io_res = &res->data.io;
if (io_res->minimum != io_res->maximum)
- return_VALUE(AE_OK);
+ return AE_OK;
if (IS_RESERVED_ADDR
(io_res->minimum, io_res->address_length)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -92,7 +91,7 @@
if (requested_res)
requested_res->flags &= ~IORESOURCE_BUSY;
- return_VALUE(AE_OK);
+ return AE_OK;
}
static int acpi_motherboard_add(struct acpi_device *device)
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 48fadad..c1c6c23 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -196,33 +196,30 @@
(u8) (ACPI_TO_INTEGER(val) - 1);
if (ACPI_STRCMP(init_val->name, "_GL_") == 0) {
- /*
- * Create a counting semaphore for the
- * global lock
- */
+
+ /* Create a counting semaphore for the global lock */
+
status =
acpi_os_create_semaphore
(ACPI_NO_UNIT_LIMIT, 1,
- &obj_desc->mutex.semaphore);
+ &acpi_gbl_global_lock_semaphore);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference
(obj_desc);
goto unlock_and_exit;
}
- /*
- * We just created the mutex for the
- * global lock, save it
- */
- acpi_gbl_global_lock_semaphore =
- obj_desc->mutex.semaphore;
+ /* Mark this mutex as very special */
+
+ obj_desc->mutex.os_mutex =
+ ACPI_GLOBAL_LOCK;
} else {
/* Create a mutex */
- status = acpi_os_create_semaphore(1, 1,
- &obj_desc->
- mutex.
- semaphore);
+ status =
+ acpi_os_create_mutex(&obj_desc->
+ mutex.
+ os_mutex);
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference
(obj_desc);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 41da26a..5dd2ed1 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -136,6 +136,7 @@
#endif
}
+
extern int acpi_in_resume;
void *acpi_os_allocate(acpi_size size)
{
@@ -585,19 +586,18 @@
{
struct acpi_os_dpc *dpc = NULL;
- ACPI_FUNCTION_TRACE("os_execute_deferred");
dpc = (struct acpi_os_dpc *)context;
if (!dpc) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n"));
- return_VOID;
+ printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+ return;
}
dpc->function(dpc->context);
kfree(dpc);
- return_VOID;
+ return;
}
static int acpi_os_execute_thread(void *context)
@@ -687,35 +687,19 @@
/*
* Allocate the memory for a spinlock and initialize it.
*/
-acpi_status acpi_os_create_lock(acpi_handle * out_handle)
+acpi_status acpi_os_create_lock(acpi_spinlock * handle)
{
- spinlock_t *lock_ptr;
+ spin_lock_init(*handle);
- ACPI_FUNCTION_TRACE("os_create_lock");
-
- lock_ptr = acpi_os_allocate(sizeof(spinlock_t));
-
- spin_lock_init(lock_ptr);
-
- ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr));
-
- *out_handle = lock_ptr;
-
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
/*
* Deallocate the memory for a spinlock.
*/
-void acpi_os_delete_lock(acpi_handle handle)
+void acpi_os_delete_lock(acpi_spinlock handle)
{
- ACPI_FUNCTION_TRACE("os_create_lock");
-
- ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle));
-
- acpi_os_free(handle);
-
- return_VOID;
+ return;
}
acpi_status
@@ -723,11 +707,10 @@
{
struct semaphore *sem = NULL;
- ACPI_FUNCTION_TRACE("os_create_semaphore");
sem = acpi_os_allocate(sizeof(struct semaphore));
if (!sem)
- return_ACPI_STATUS(AE_NO_MEMORY);
+ return AE_NO_MEMORY;
memset(sem, 0, sizeof(struct semaphore));
sema_init(sem, initial_units);
@@ -737,7 +720,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n",
*handle, initial_units));
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_create_semaphore);
@@ -753,17 +736,16 @@
{
struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE("os_delete_semaphore");
if (!sem)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle));
acpi_os_free(sem);
sem = NULL;
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_delete_semaphore);
@@ -783,13 +765,12 @@
struct semaphore *sem = (struct semaphore *)handle;
int ret = 0;
- ACPI_FUNCTION_TRACE("os_wait_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
if (units > 1)
- return_ACPI_STATUS(AE_SUPPORT);
+ return AE_SUPPORT;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
handle, units, timeout));
@@ -838,17 +819,17 @@
}
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Failed to acquire semaphore[%p|%d|%d], %s\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Failed to acquire semaphore[%p|%d|%d], %s",
handle, units, timeout,
acpi_format_exception(status)));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
- "Acquired semaphore[%p|%d|%d]\n", handle,
+ "Acquired semaphore[%p|%d|%d]", handle,
units, timeout));
}
- return_ACPI_STATUS(status);
+ return status;
}
EXPORT_SYMBOL(acpi_os_wait_semaphore);
@@ -860,20 +841,19 @@
{
struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE("os_signal_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
if (units > 1)
- return_ACPI_STATUS(AE_SUPPORT);
+ return AE_SUPPORT;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle,
units));
up(sem);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_signal_semaphore);
@@ -1042,10 +1022,10 @@
* handle is a pointer to the spinlock_t.
*/
-acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle)
+acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock lockp)
{
acpi_cpu_flags flags;
- spin_lock_irqsave((spinlock_t *) handle, flags);
+ spin_lock_irqsave(lockp, flags);
return flags;
}
@@ -1053,9 +1033,9 @@
* Release a spinlock. See above.
*/
-void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags)
+void acpi_os_release_lock(acpi_spinlock lockp, acpi_cpu_flags flags)
{
- spin_unlock_irqrestore((spinlock_t *) handle, flags);
+ spin_unlock_irqrestore(lockp, flags);
}
#ifndef ACPI_USE_LOCAL_CACHE
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 7ee2f2e..a02aa62 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -469,6 +469,16 @@
}
walk_state->thread = thread;
+
+ /*
+ * If executing a method, the starting sync_level is this method's
+ * sync_level
+ */
+ if (walk_state->method_desc) {
+ walk_state->thread->current_sync_level =
+ walk_state->method_desc->method.sync_level;
+ }
+
acpi_ds_push_walk_state(walk_state, thread);
/*
@@ -505,6 +515,10 @@
status =
acpi_ds_call_control_method(thread, walk_state,
NULL);
+ if (ACPI_FAILURE(status)) {
+ status =
+ acpi_ds_method_error(status, walk_state);
+ }
/*
* If the transfer to the new method method call worked, a new walk
@@ -525,7 +539,7 @@
/* Check for possible multi-thread reentrancy problem */
if ((status == AE_ALREADY_EXISTS) &&
- (!walk_state->method_desc->method.semaphore)) {
+ (!walk_state->method_desc->method.mutex)) {
/*
* Method tried to create an object twice. The probable cause is
* that the method cannot handle reentrancy.
@@ -537,7 +551,7 @@
*/
walk_state->method_desc->method.method_flags |=
AML_METHOD_SERIALIZED;
- walk_state->method_desc->method.concurrency = 1;
+ walk_state->method_desc->method.sync_level = 0;
}
}
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 2a718df..1e2ae6e 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -47,11 +47,10 @@
static void acpi_pci_data_handler(acpi_handle handle, u32 function,
void *context)
{
- ACPI_FUNCTION_TRACE("acpi_pci_data_handler");
/* TBD: Anything we need to do here? */
- return_VOID;
+ return;
}
/**
@@ -68,25 +67,24 @@
struct acpi_device *device = NULL;
struct acpi_pci_data *data = NULL;
- ACPI_FUNCTION_TRACE("acpi_get_pci_id");
if (!id)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
result = acpi_bus_get_device(handle, &device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid ACPI Bus context for device %s\n",
- acpi_device_bid(device)));
- return_ACPI_STATUS(AE_NOT_EXIST);
+ printk(KERN_ERR PREFIX
+ "Invalid ACPI Bus context for device %s\n",
+ acpi_device_bid(device));
+ return AE_NOT_EXIST;
}
status = acpi_get_data(handle, acpi_pci_data_handler, (void **)&data);
if (ACPI_FAILURE(status) || !data) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid ACPI-PCI context for device %s\n",
- acpi_device_bid(device)));
- return_ACPI_STATUS(status);
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Invalid ACPI-PCI context for device %s",
+ acpi_device_bid(device)));
+ return status;
}
*id = data->id;
@@ -103,7 +101,7 @@
acpi_device_bid(device), id->segment, id->bus,
id->device, id->function));
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_get_pci_id);
@@ -120,14 +118,13 @@
struct pci_dev *dev;
struct pci_bus *bus;
- ACPI_FUNCTION_TRACE("acpi_pci_bind");
if (!device || !device->parent)
- return_VALUE(-EINVAL);
+ return -EINVAL;
pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
buffer.pointer = pathname;
@@ -135,7 +132,7 @@
data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
if (!data) {
kfree(pathname);
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
}
memset(data, 0, sizeof(struct acpi_pci_data));
@@ -151,9 +148,9 @@
status = acpi_get_data(device->parent->handle, acpi_pci_data_handler,
(void **)&pdata);
if (ACPI_FAILURE(status) || !pdata || !pdata->bus) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid ACPI-PCI context for parent device %s\n",
- acpi_device_bid(device->parent)));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Invalid ACPI-PCI context for parent device %s",
+ acpi_device_bid(device->parent)));
result = -ENODEV;
goto end;
}
@@ -206,10 +203,10 @@
goto end;
}
if (!data->dev->bus) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device %02x:%02x:%02x.%02x has invalid 'bus' field\n",
- data->id.segment, data->id.bus,
- data->id.device, data->id.function));
+ printk(KERN_ERR PREFIX
+ "Device %02x:%02x:%02x.%02x has invalid 'bus' field\n",
+ data->id.segment, data->id.bus,
+ data->id.device, data->id.function);
result = -ENODEV;
goto end;
}
@@ -237,9 +234,9 @@
*/
status = acpi_attach_data(device->handle, acpi_pci_data_handler, data);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to attach ACPI-PCI context to device %s\n",
- acpi_device_bid(device)));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to attach ACPI-PCI context to device %s",
+ acpi_device_bid(device)));
result = -ENODEV;
goto end;
}
@@ -269,7 +266,7 @@
if (result)
kfree(data);
- return_VALUE(result);
+ return result;
}
int acpi_pci_unbind(struct acpi_device *device)
@@ -280,14 +277,13 @@
char *pathname = NULL;
struct acpi_buffer buffer = { 0, NULL };
- ACPI_FUNCTION_TRACE("acpi_pci_unbind");
if (!device || !device->parent)
- return_VALUE(-EINVAL);
+ return -EINVAL;
pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
@@ -301,18 +297,18 @@
acpi_get_data(device->handle, acpi_pci_data_handler,
(void **)&data);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to get data from device %s\n",
- acpi_device_bid(device)));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to get data from device %s",
+ acpi_device_bid(device)));
result = -ENODEV;
goto end;
}
status = acpi_detach_data(device->handle, acpi_pci_data_handler);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to detach data from device %s\n",
- acpi_device_bid(device)));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to detach data from device %s",
+ acpi_device_bid(device)));
result = -ENODEV;
goto end;
}
@@ -322,7 +318,7 @@
kfree(data);
end:
- return_VALUE(result);
+ return result;
}
int
@@ -335,11 +331,10 @@
char *pathname = NULL;
struct acpi_buffer buffer = { 0, NULL };
- ACPI_FUNCTION_TRACE("acpi_pci_bind_root");
pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
@@ -347,13 +342,13 @@
if (!device || !id || !bus) {
kfree(pathname);
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
if (!data) {
kfree(pathname);
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
}
memset(data, 0, sizeof(struct acpi_pci_data));
@@ -369,9 +364,9 @@
status = acpi_attach_data(device->handle, acpi_pci_data_handler, data);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to attach ACPI-PCI context to device %s\n",
- pathname));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Unable to attach ACPI-PCI context to device %s",
+ pathname));
result = -ENODEV;
goto end;
}
@@ -381,5 +376,5 @@
if (result != 0)
kfree(data);
- return_VALUE(result);
+ return result;
}
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index ed3f226..feda034 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -54,10 +54,9 @@
struct list_head *node = NULL;
struct acpi_prt_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_find_prt_entry");
if (!acpi_prt.count)
- return_PTR(NULL);
+ return NULL;
/*
* Parse through all PRT entries looking for a match on the specified
@@ -72,12 +71,12 @@
&& (device == entry->id.device)
&& (pin == entry->pin)) {
spin_unlock(&acpi_prt_lock);
- return_PTR(entry);
+ return entry;
}
}
spin_unlock(&acpi_prt_lock);
- return_PTR(NULL);
+ return NULL;
}
static int
@@ -86,14 +85,13 @@
{
struct acpi_prt_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_add_entry");
if (!prt)
- return_VALUE(-EINVAL);
+ return -EINVAL;
entry = kmalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL);
if (!entry)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(entry, 0, sizeof(struct acpi_prt_entry));
entry->id.segment = segment;
@@ -140,7 +138,7 @@
acpi_prt.count++;
spin_unlock(&acpi_prt_lock);
- return_VALUE(0);
+ return 0;
}
static void
@@ -162,11 +160,10 @@
struct acpi_pci_routing_table *entry = NULL;
static int first_time = 1;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_add_prt");
pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(pathname, 0, ACPI_PATHNAME_MAX);
if (first_time) {
@@ -196,24 +193,24 @@
kfree(pathname);
status = acpi_get_irq_routing_table(handle, &buffer);
if (status != AE_BUFFER_OVERFLOW) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRT [%s]\n",
- acpi_format_exception(status)));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRT [%s]",
+ acpi_format_exception(status)));
+ return -ENODEV;
}
prt = kmalloc(buffer.length, GFP_KERNEL);
if (!prt) {
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
}
memset(prt, 0, buffer.length);
buffer.pointer = prt;
status = acpi_get_irq_routing_table(handle, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRT [%s]\n",
- acpi_format_exception(status)));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRT [%s]",
+ acpi_format_exception(status)));
kfree(buffer.pointer);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
entry = prt;
@@ -226,7 +223,7 @@
kfree(prt);
- return_VALUE(0);
+ return 0;
}
void acpi_pci_irq_del_prt(int segment, int bus)
@@ -261,16 +258,15 @@
{
int irq;
- ACPI_FUNCTION_TRACE("acpi_pci_allocate_irq");
if (entry->link.handle) {
irq = acpi_pci_link_allocate_irq(entry->link.handle,
entry->link.index, triggering,
polarity, link);
if (irq < 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid IRQ link routing entry\n"));
- return_VALUE(-1);
+ printk(KERN_WARNING PREFIX
+ "Invalid IRQ link routing entry\n");
+ return -1;
}
} else {
irq = entry->link.index;
@@ -279,7 +275,7 @@
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq));
- return_VALUE(irq);
+ return irq;
}
static int
@@ -288,13 +284,12 @@
{
int irq;
- ACPI_FUNCTION_TRACE("acpi_pci_free_irq");
if (entry->link.handle) {
irq = acpi_pci_link_free_irq(entry->link.handle);
} else {
irq = entry->link.index;
}
- return_VALUE(irq);
+ return irq;
}
/*
@@ -314,7 +309,6 @@
int bus_nr = bus->number;
int ret;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_lookup");
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Searching for PRT entry for %02x:%02x:%02x[%c]\n",
@@ -323,11 +317,11 @@
entry = acpi_pci_irq_find_prt_entry(segment, bus_nr, device, pin);
if (!entry) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "PRT entry not found\n"));
- return_VALUE(-1);
+ return -1;
}
ret = func(entry, triggering, polarity, link);
- return_VALUE(ret);
+ return ret;
}
/*
@@ -345,10 +339,9 @@
int irq = -1;
u8 bridge_pin = 0;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_derive");
if (!dev)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* Attempt to derive an IRQ for this device from a parent bridge's
@@ -365,7 +358,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
pci_name(bridge)));
- return_VALUE(-1);
+ return -1;
}
/* Pin is from 0 to 3 */
bridge_pin--;
@@ -378,16 +371,15 @@
}
if (irq < 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Unable to derive IRQ for device %s\n",
- pci_name(dev)));
- return_VALUE(-1);
+ printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n",
+ pci_name(dev));
+ return -1;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derive IRQ %d for device %s from %s\n",
irq, pci_name(dev), pci_name(bridge)));
- return_VALUE(irq);
+ return irq;
}
/*
@@ -405,24 +397,22 @@
char *link = NULL;
int rc;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_enable");
if (!dev)
- return_VALUE(-EINVAL);
+ return -EINVAL;
pin = dev->pin;
if (!pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
pci_name(dev)));
- return_VALUE(0);
+ return 0;
}
pin--;
if (!dev->bus) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid (NULL) 'bus' field\n"));
- return_VALUE(-ENODEV);
+ printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n");
+ return -ENODEV;
}
/*
@@ -454,10 +444,10 @@
printk(" - using IRQ %d\n", dev->irq);
acpi_register_gsi(dev->irq, ACPI_LEVEL_SENSITIVE,
ACPI_ACTIVE_LOW);
- return_VALUE(0);
+ return 0;
} else {
printk("\n");
- return_VALUE(0);
+ return 0;
}
}
@@ -465,7 +455,7 @@
if (rc < 0) {
printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed "
"to register GSI\n", pci_name(dev), ('A' + pin));
- return_VALUE(rc);
+ return rc;
}
dev->irq = rc;
@@ -479,7 +469,7 @@
(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_pci_irq_enable);
@@ -496,14 +486,13 @@
int triggering = ACPI_LEVEL_SENSITIVE;
int polarity = ACPI_ACTIVE_LOW;
- ACPI_FUNCTION_TRACE("acpi_pci_irq_disable");
if (!dev || !dev->bus)
- return_VOID;
+ return;
pin = dev->pin;
if (!pin)
- return_VOID;
+ return;
pin--;
/*
@@ -521,7 +510,7 @@
&triggering, &polarity, NULL,
acpi_pci_free_irq);
if (gsi < 0)
- return_VOID;
+ return;
/*
* TBD: It might be worth clearing dev->irq by magic constant
@@ -533,5 +522,5 @@
acpi_unregister_gsi(gsi);
- return_VOID;
+ return;
}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 228bdb6..1badce2 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -107,26 +107,23 @@
struct acpi_pci_link *link = (struct acpi_pci_link *)context;
u32 i = 0;
- ACPI_FUNCTION_TRACE("acpi_pci_link_check_possible");
switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
case ACPI_RESOURCE_TYPE_IRQ:
{
struct acpi_resource_irq *p = &resource->data.irq;
if (!p || !p->interrupt_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Blank IRQ resource\n"));
- return_ACPI_STATUS(AE_OK);
+ printk(KERN_WARNING PREFIX "Blank IRQ resource\n");
+ return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid IRQ %d\n",
- p->interrupts[i]));
+ printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",
+ p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@@ -142,17 +139,16 @@
struct acpi_resource_extended_irq *p =
&resource->data.extended_irq;
if (!p || !p->interrupt_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Blank EXT IRQ resource\n"));
- return_ACPI_STATUS(AE_OK);
+ printk(KERN_WARNING PREFIX
+ "Blank EXT IRQ resource\n");
+ return AE_OK;
}
for (i = 0;
(i < p->interrupt_count
&& i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {
if (!p->interrupts[i]) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid IRQ %d\n",
- p->interrupts[i]));
+ printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",
+ p->interrupts[i]);
continue;
}
link->irq.possible[i] = p->interrupts[i];
@@ -164,35 +160,33 @@
break;
}
default:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Resource is not an IRQ entry\n"));
- return_ACPI_STATUS(AE_OK);
+ printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n");
+ return AE_OK;
}
- return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ return AE_CTRL_TERMINATE;
}
static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_pci_link_get_possible");
if (!link)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_walk_resources(link->handle, METHOD_NAME__PRS,
acpi_pci_link_check_possible, link);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRS\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS"));
+ return -ENODEV;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Found %d possible IRQs\n",
link->irq.possible_count));
- return_VALUE(0);
+ return 0;
}
static acpi_status
@@ -200,7 +194,6 @@
{
int *irq = (int *)context;
- ACPI_FUNCTION_TRACE("acpi_pci_link_check_current");
switch (resource->type) {
case ACPI_RESOURCE_TYPE_IRQ:
@@ -213,7 +206,7 @@
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Blank IRQ resource\n"));
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
*irq = p->interrupts[0];
break;
@@ -227,20 +220,20 @@
* extended IRQ descriptors must
* return at least 1 IRQ
*/
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Blank EXT IRQ resource\n"));
- return_ACPI_STATUS(AE_OK);
+ printk(KERN_WARNING PREFIX
+ "Blank EXT IRQ resource\n");
+ return AE_OK;
}
*irq = p->interrupts[0];
break;
}
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Resource %d isn't an IRQ\n", resource->type));
+ printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type);
case ACPI_RESOURCE_TYPE_END_TAG:
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
- return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ return AE_CTRL_TERMINATE;
}
/*
@@ -256,10 +249,9 @@
acpi_status status = AE_OK;
int irq = 0;
- ACPI_FUNCTION_TRACE("acpi_pci_link_get_current");
if (!link || !link->handle)
- return_VALUE(-EINVAL);
+ return -EINVAL;
link->irq.active = 0;
@@ -268,14 +260,13 @@
/* Query _STA, set link->device->status */
result = acpi_bus_get_status(link->device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to read status\n"));
+ printk(KERN_ERR PREFIX "Unable to read status\n");
goto end;
}
if (!link->device->status.enabled) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link disabled\n"));
- return_VALUE(0);
+ return 0;
}
}
@@ -286,13 +277,13 @@
status = acpi_walk_resources(link->handle, METHOD_NAME__CRS,
acpi_pci_link_check_current, &irq);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _CRS\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _CRS"));
result = -ENODEV;
goto end;
}
if (acpi_strict && !irq) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_CRS returned 0\n"));
+ printk(KERN_ERR PREFIX "_CRS returned 0\n");
result = -ENODEV;
}
@@ -301,7 +292,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));
end:
- return_VALUE(result);
+ return result;
}
static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
@@ -314,14 +305,13 @@
} *resource;
struct acpi_buffer buffer = { 0, NULL };
- ACPI_FUNCTION_TRACE("acpi_pci_link_set");
if (!link || !irq)
- return_VALUE(-EINVAL);
+ return -EINVAL;
resource = kmalloc(sizeof(*resource) + 1, GFP_ATOMIC);
if (!resource)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(resource, 0, sizeof(*resource) + 1);
buffer.length = sizeof(*resource) + 1;
@@ -362,7 +352,7 @@
/* ignore resource_source, it's optional */
break;
default:
- printk("ACPI BUG: resource_type %d\n", link->irq.resource_type);
+ printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);
result = -EINVAL;
goto end;
@@ -374,7 +364,7 @@
/* check for total failure */
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _SRS\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _SRS"));
result = -ENODEV;
goto end;
}
@@ -382,14 +372,14 @@
/* Query _STA, set device->status */
result = acpi_bus_get_status(link->device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to read status\n"));
+ printk(KERN_ERR PREFIX "Unable to read status\n");
goto end;
}
if (!link->device->status.enabled) {
printk(KERN_WARNING PREFIX
- "%s [%s] disabled and referenced, BIOS bug.\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device));
+ "%s [%s] disabled and referenced, BIOS bug\n",
+ acpi_device_name(link->device),
+ acpi_device_bid(link->device));
}
/* Query _CRS, set link->irq.active */
@@ -408,9 +398,9 @@
* assume _SRS worked and override _CRS value.
*/
printk(KERN_WARNING PREFIX
- "%s [%s] BIOS reported IRQ %d, using IRQ %d\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device), link->irq.active, irq);
+ "%s [%s] BIOS reported IRQ %d, using IRQ %d\n",
+ acpi_device_name(link->device),
+ acpi_device_bid(link->device), link->irq.active, irq);
link->irq.active = irq;
}
@@ -418,7 +408,7 @@
end:
kfree(resource);
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -492,7 +482,6 @@
struct acpi_pci_link *link = NULL;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_irq_penalty_init");
/*
* Update penalties to facilitate IRQ balancing.
@@ -501,8 +490,7 @@
link = list_entry(node, struct acpi_pci_link, node);
if (!link) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid link context\n"));
+ printk(KERN_ERR PREFIX "Invalid link context\n");
continue;
}
@@ -530,7 +518,7 @@
/* Add a penalty for the SCI */
acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING;
- return_VALUE(0);
+ return 0;
}
static int acpi_irq_balance; /* 0: static, 1: balance */
@@ -540,13 +528,12 @@
int irq;
int i;
- ACPI_FUNCTION_TRACE("acpi_pci_link_allocate");
if (link->irq.initialized) {
if (link->refcnt == 0)
/* This means the link is disabled but initialized */
acpi_pci_link_set(link, link->irq.active);
- return_VALUE(0);
+ return 0;
}
/*
@@ -562,7 +549,7 @@
if (i == link->irq.possible_count) {
if (acpi_strict)
printk(KERN_WARNING PREFIX "_CRS %d not found"
- " in _PRS\n", link->irq.active);
+ " in _PRS\n", link->irq.active);
link->irq.active = 0;
}
@@ -589,12 +576,11 @@
/* Attempt to enable the link device at this IRQ. */
if (acpi_pci_link_set(link, irq)) {
- printk(PREFIX
- "Unable to set IRQ for %s [%s] (likely buggy ACPI BIOS).\n"
- "Try pci=noacpi or acpi=off\n",
- acpi_device_name(link->device),
- acpi_device_bid(link->device));
- return_VALUE(-ENODEV);
+ printk(KERN_ERR PREFIX "Unable to set IRQ for %s [%s]. "
+ "Try pci=noacpi or acpi=off\n",
+ acpi_device_name(link->device),
+ acpi_device_bid(link->device));
+ return -ENODEV;
} else {
acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING;
printk(PREFIX "%s [%s] enabled at IRQ %d\n",
@@ -604,7 +590,7 @@
link->irq.initialized = 1;
- return_VALUE(0);
+ return 0;
}
/*
@@ -622,36 +608,35 @@
struct acpi_device *device = NULL;
struct acpi_pci_link *link = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_link_allocate_irq");
result = acpi_bus_get_device(handle, &device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link device\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Invalid link device\n");
+ return -1;
}
link = (struct acpi_pci_link *)acpi_driver_data(device);
if (!link) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Invalid link context\n");
+ return -1;
}
/* TBD: Support multiple index (IRQ) entries per Link Device */
if (index) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid index %d\n", index));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Invalid index %d\n", index);
+ return -1;
}
mutex_lock(&acpi_link_lock);
if (acpi_pci_link_allocate(link)) {
mutex_unlock(&acpi_link_lock);
- return_VALUE(-1);
+ return -1;
}
if (!link->irq.active) {
mutex_unlock(&acpi_link_lock);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link active IRQ is 0!\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Link active IRQ is 0!\n");
+ return -1;
}
link->refcnt++;
mutex_unlock(&acpi_link_lock);
@@ -665,7 +650,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Link %s is referenced\n",
acpi_device_bid(link->device)));
- return_VALUE(link->irq.active);
+ return (link->irq.active);
}
/*
@@ -678,25 +663,24 @@
struct acpi_pci_link *link = NULL;
acpi_status result;
- ACPI_FUNCTION_TRACE("acpi_pci_link_free_irq");
result = acpi_bus_get_device(handle, &device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link device\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Invalid link device\n");
+ return -1;
}
link = (struct acpi_pci_link *)acpi_driver_data(device);
if (!link) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Invalid link context\n");
+ return -1;
}
mutex_lock(&acpi_link_lock);
if (!link->irq.initialized) {
mutex_unlock(&acpi_link_lock);
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link isn't initialized\n"));
- return_VALUE(-1);
+ printk(KERN_ERR PREFIX "Link isn't initialized\n");
+ return -1;
}
#ifdef FUTURE_USE
/*
@@ -718,7 +702,7 @@
acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
}
mutex_unlock(&acpi_link_lock);
- return_VALUE(link->irq.active);
+ return (link->irq.active);
}
/* --------------------------------------------------------------------------
@@ -732,14 +716,13 @@
int i = 0;
int found = 0;
- ACPI_FUNCTION_TRACE("acpi_pci_link_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);
if (!link)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(link, 0, sizeof(struct acpi_pci_link));
link->device = device;
@@ -788,17 +771,16 @@
if (result)
kfree(link);
- return_VALUE(result);
+ return result;
}
static int acpi_pci_link_resume(struct acpi_pci_link *link)
{
- ACPI_FUNCTION_TRACE("acpi_pci_link_resume");
if (link->refcnt && link->irq.active && link->irq.initialized)
- return_VALUE(acpi_pci_link_set(link, link->irq.active));
+ return (acpi_pci_link_set(link, link->irq.active));
else
- return_VALUE(0);
+ return 0;
}
/*
@@ -811,7 +793,6 @@
struct list_head *node = NULL;
struct acpi_pci_link *link = NULL;
- ACPI_FUNCTION_TRACE("irqrouter_resume");
/* Make sure SCI is enabled again (Apple firmware bug?) */
acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK);
@@ -820,24 +801,22 @@
list_for_each(node, &acpi_link.entries) {
link = list_entry(node, struct acpi_pci_link, node);
if (!link) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid link context\n"));
+ printk(KERN_ERR PREFIX "Invalid link context\n");
continue;
}
acpi_pci_link_resume(link);
}
acpi_in_resume = 0;
- return_VALUE(0);
+ return 0;
}
static int acpi_pci_link_remove(struct acpi_device *device, int type)
{
struct acpi_pci_link *link = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_link_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
link = (struct acpi_pci_link *)acpi_driver_data(device);
@@ -847,7 +826,7 @@
kfree(link);
- return_VALUE(0);
+ return 0;
}
/*
@@ -953,34 +932,32 @@
{
int error;
- ACPI_FUNCTION_TRACE("irqrouter_init_sysfs");
if (acpi_disabled || acpi_noirq)
- return_VALUE(0);
+ return 0;
error = sysdev_class_register(&irqrouter_sysdev_class);
if (!error)
error = sysdev_register(&device_irqrouter);
- return_VALUE(error);
+ return error;
}
device_initcall(irqrouter_init_sysfs);
static int __init acpi_pci_link_init(void)
{
- ACPI_FUNCTION_TRACE("acpi_pci_link_init");
if (acpi_noirq)
- return_VALUE(0);
+ return 0;
acpi_link.count = 0;
INIT_LIST_HEAD(&acpi_link.entries);
if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0)
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
subsys_initcall(acpi_pci_link_init);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 4c313ea..8f10442 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -160,14 +160,13 @@
unsigned long value = 0;
acpi_handle handle = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_root_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
root = kmalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
if (!root)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(root, 0, sizeof(struct acpi_pci_root));
INIT_LIST_HEAD(&root->node);
@@ -198,7 +197,7 @@
root->id.segment = 0;
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _SEG\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _SEG"));
result = -ENODEV;
goto end;
}
@@ -219,7 +218,7 @@
root->id.bus = 0;
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BBN\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BBN"));
result = -ENODEV;
goto end;
}
@@ -231,8 +230,9 @@
int bus = 0;
acpi_status status;
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Wrong _BBN value, please reboot and using option 'pci=noacpi'\n"));
+ printk(KERN_ERR PREFIX
+ "Wrong _BBN value, reboot"
+ " and use option 'pci=noacpi'\n");
status = try_get_root_bridge_busnr(root->handle, &bus);
if (ACPI_FAILURE(status))
@@ -273,9 +273,9 @@
*/
root->bus = pci_acpi_scan_root(device, root->id.segment, root->id.bus);
if (!root->bus) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Bus %04x:%02x not present in PCI namespace\n",
- root->id.segment, root->id.bus));
+ printk(KERN_ERR PREFIX
+ "Bus %04x:%02x not present in PCI namespace\n",
+ root->id.segment, root->id.bus);
result = -ENODEV;
goto end;
}
@@ -306,46 +306,43 @@
kfree(root);
}
- return_VALUE(result);
+ return result;
}
static int acpi_pci_root_start(struct acpi_device *device)
{
struct acpi_pci_root *root;
- ACPI_FUNCTION_TRACE("acpi_pci_root_start");
list_for_each_entry(root, &acpi_pci_roots, node) {
if (root->handle == device->handle) {
pci_bus_add_devices(root->bus);
- return_VALUE(0);
+ return 0;
}
}
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int acpi_pci_root_remove(struct acpi_device *device, int type)
{
struct acpi_pci_root *root = NULL;
- ACPI_FUNCTION_TRACE("acpi_pci_root_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
root = (struct acpi_pci_root *)acpi_driver_data(device);
kfree(root);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_pci_root_init(void)
{
- ACPI_FUNCTION_TRACE("acpi_pci_root_init");
if (acpi_pci_disabled)
- return_VALUE(0);
+ return 0;
/* DEBUG:
acpi_dbg_layer = ACPI_PCI_COMPONENT;
@@ -353,9 +350,9 @@
*/
if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0)
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
subsys_initcall(acpi_pci_root_init);
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 62a5595..224f729 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -98,23 +98,21 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_get_context");
if (!resource)
- return_VALUE(-ENODEV);
+ return -ENODEV;
result = acpi_bus_get_device(handle, &device);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error getting context [%p]\n",
- handle));
- return_VALUE(result);
+ printk(KERN_WARNING PREFIX "Getting context [%p]\n", handle);
+ return result;
}
*resource = (struct acpi_power_resource *)acpi_driver_data(device);
if (!resource)
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
static int acpi_power_get_state(struct acpi_power_resource *resource)
@@ -122,14 +120,13 @@
acpi_status status = AE_OK;
unsigned long sta = 0;
- ACPI_FUNCTION_TRACE("acpi_power_get_state");
if (!resource)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_evaluate_integer(resource->handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (sta & 0x01)
resource->state = ACPI_POWER_RESOURCE_STATE_ON;
@@ -139,7 +136,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n",
resource->name, resource->state ? "on" : "off"));
- return_VALUE(0);
+ return 0;
}
static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
@@ -148,20 +145,19 @@
struct acpi_power_resource *resource = NULL;
u32 i = 0;
- ACPI_FUNCTION_TRACE("acpi_power_get_list_state");
if (!list || !state)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* The state of the list is 'on' IFF all resources are 'on'. */
for (i = 0; i < list->count; i++) {
result = acpi_power_get_context(list->handles[i], &resource);
if (result)
- return_VALUE(result);
+ return result;
result = acpi_power_get_state(resource);
if (result)
- return_VALUE(result);
+ return result;
*state = resource->state;
@@ -172,7 +168,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource list is %s\n",
*state ? "on" : "off"));
- return_VALUE(result);
+ return result;
}
static int acpi_power_on(acpi_handle handle)
@@ -182,11 +178,10 @@
struct acpi_device *device = NULL;
struct acpi_power_resource *resource = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_on");
result = acpi_power_get_context(handle, &resource);
if (result)
- return_VALUE(result);
+ return result;
resource->references++;
@@ -194,29 +189,29 @@
|| (resource->state == ACPI_POWER_RESOURCE_STATE_ON)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already on\n",
resource->name));
- return_VALUE(0);
+ return 0;
}
status = acpi_evaluate_object(resource->handle, "_ON", NULL, NULL);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
result = acpi_power_get_state(resource);
if (result)
- return_VALUE(result);
+ return result;
if (resource->state != ACPI_POWER_RESOURCE_STATE_ON)
- return_VALUE(-ENOEXEC);
+ return -ENOEXEC;
/* Update the power resource's _device_ power state */
result = acpi_bus_get_device(resource->handle, &device);
if (result)
- return_VALUE(result);
+ return result;
device->power.state = ACPI_STATE_D0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n",
resource->name));
- return_VALUE(0);
+ return 0;
}
static int acpi_power_off_device(acpi_handle handle)
@@ -226,11 +221,10 @@
struct acpi_device *device = NULL;
struct acpi_power_resource *resource = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_off_device");
result = acpi_power_get_context(handle, &resource);
if (result)
- return_VALUE(result);
+ return result;
if (resource->references)
resource->references--;
@@ -239,35 +233,35 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Resource [%s] is still in use, dereferencing\n",
device->pnp.bus_id));
- return_VALUE(0);
+ return 0;
}
if (resource->state == ACPI_POWER_RESOURCE_STATE_OFF) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already off\n",
device->pnp.bus_id));
- return_VALUE(0);
+ return 0;
}
status = acpi_evaluate_object(resource->handle, "_OFF", NULL, NULL);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
result = acpi_power_get_state(resource);
if (result)
- return_VALUE(result);
+ return result;
if (resource->state != ACPI_POWER_RESOURCE_STATE_OFF)
- return_VALUE(-ENOEXEC);
+ return -ENOEXEC;
/* Update the power resource's _device_ power state */
result = acpi_bus_get_device(resource->handle, &device);
if (result)
- return_VALUE(result);
+ return result;
device->power.state = ACPI_STATE_D3;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned off\n",
resource->name));
- return_VALUE(0);
+ return 0;
}
/*
@@ -283,31 +277,29 @@
int i;
int ret = 0;
- ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device_power");
if (!dev || !dev->wakeup.flags.valid)
- return_VALUE(-1);
+ return -1;
arg.integer.value = 1;
/* Open power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
ret = acpi_power_on(dev->wakeup.resources.handles[i]);
if (ret) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error transition power state\n"));
+ printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
- return_VALUE(-1);
+ return -1;
}
}
/* Execute PSW */
status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluate _PSW\n"));
+ printk(KERN_ERR PREFIX "Evaluate _PSW\n");
dev->wakeup.flags.valid = 0;
ret = -1;
}
- return_VALUE(ret);
+ return ret;
}
/*
@@ -323,32 +315,30 @@
int i;
int ret = 0;
- ACPI_FUNCTION_TRACE("acpi_disable_wakeup_device_power");
if (!dev || !dev->wakeup.flags.valid)
- return_VALUE(-1);
+ return -1;
arg.integer.value = 0;
/* Execute PSW */
status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluate _PSW\n"));
+ printk(KERN_ERR PREFIX "Evaluate _PSW\n");
dev->wakeup.flags.valid = 0;
- return_VALUE(-1);
+ return -1;
}
/* Close power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
ret = acpi_power_off_device(dev->wakeup.resources.handles[i]);
if (ret) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error transition power state\n"));
+ printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
- return_VALUE(-1);
+ return -1;
}
}
- return_VALUE(ret);
+ return ret;
}
/* --------------------------------------------------------------------------
@@ -362,10 +352,9 @@
int list_state = 0;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_power_get_inferred_state");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
device->power.state = ACPI_STATE_UNKNOWN;
@@ -380,17 +369,17 @@
result = acpi_power_get_list_state(list, &list_state);
if (result)
- return_VALUE(result);
+ return result;
if (list_state == ACPI_POWER_RESOURCE_STATE_ON) {
device->power.state = i;
- return_VALUE(0);
+ return 0;
}
}
device->power.state = ACPI_STATE_D3;
- return_VALUE(0);
+ return 0;
}
int acpi_power_transition(struct acpi_device *device, int state)
@@ -400,14 +389,13 @@
struct acpi_handle_list *tl = NULL; /* Target Resources */
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_power_transition");
if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if ((device->power.state < ACPI_STATE_D0)
|| (device->power.state > ACPI_STATE_D3))
- return_VALUE(-ENODEV);
+ return -ENODEV;
cl = &device->power.states[device->power.state].resources;
tl = &device->power.states[state].resources;
@@ -444,11 +432,10 @@
device->power.state = state;
end:
if (result)
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Error transitioning device [%s] to D%d\n",
- device->pnp.bus_id, state));
+ printk(KERN_WARNING PREFIX "Transitioning device [%s] to D%d\n",
+ device->pnp.bus_id, state);
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -461,7 +448,6 @@
{
struct acpi_power_resource *resource = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_seq_show");
resource = (struct acpi_power_resource *)seq->private;
@@ -488,7 +474,7 @@
resource->order, resource->references);
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_power_open_fs(struct inode *inode, struct file *file)
@@ -500,36 +486,32 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_add_fs");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_power_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
/* 'status' [R] */
entry = create_proc_entry(ACPI_POWER_FILE_STATUS,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_POWER_FILE_STATUS));
+ return -EIO;
else {
entry->proc_fops = &acpi_power_fops;
entry->data = acpi_driver_data(device);
}
- return_VALUE(0);
+ return 0;
}
static int acpi_power_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_power_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_POWER_FILE_STATUS,
@@ -538,7 +520,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -553,14 +535,13 @@
union acpi_object acpi_object;
struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object };
- ACPI_FUNCTION_TRACE("acpi_power_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
resource = kmalloc(sizeof(struct acpi_power_resource), GFP_KERNEL);
if (!resource)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(resource, 0, sizeof(struct acpi_power_resource));
resource->handle = device->handle;
@@ -605,17 +586,16 @@
if (result)
kfree(resource);
- return_VALUE(result);
+ return result;
}
static int acpi_power_remove(struct acpi_device *device, int type)
{
struct acpi_power_resource *resource = NULL;
- ACPI_FUNCTION_TRACE("acpi_power_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
resource = (struct acpi_power_resource *)acpi_driver_data(device);
@@ -623,31 +603,30 @@
kfree(resource);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_power_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_power_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
INIT_LIST_HEAD(&acpi_power_resource_list);
acpi_power_dir = proc_mkdir(ACPI_POWER_CLASS, acpi_root_dir);
if (!acpi_power_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
result = acpi_bus_register_driver(&acpi_power_driver);
if (result < 0) {
remove_proc_entry(ACPI_POWER_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
subsys_initcall(acpi_power_init);
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index decaebb..5267432 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -122,10 +122,9 @@
u8 value1 = 0;
u8 value2 = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_errata_piix4");
if (!dev)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* Note that 'dev' references the PIIX4 ACPI Controller.
@@ -218,7 +217,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Type-F DMA livelock erratum (C3 disabled)\n"));
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_errata(struct acpi_processor *pr)
@@ -226,10 +225,9 @@
int result = 0;
struct pci_dev *dev = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_errata");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* PIIX4
@@ -242,7 +240,7 @@
pci_dev_put(dev);
}
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -258,10 +256,9 @@
struct acpi_object_list *pdc_in = pr->pdc;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_processor_set_pdc");
if (!pdc_in)
- return_VALUE(status);
+ return status;
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
@@ -269,7 +266,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Could not evaluate _PDC, using legacy perf. control...\n"));
- return_VALUE(status);
+ return status;
}
/* --------------------------------------------------------------------------
@@ -282,7 +279,6 @@
{
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_processor_info_seq_show");
if (!pr)
goto end;
@@ -301,7 +297,7 @@
pr->flags.limit ? "yes" : "no");
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
@@ -314,13 +310,12 @@
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_processor_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
acpi_device_dir(device)->owner = THIS_MODULE;
@@ -328,9 +323,7 @@
entry = create_proc_entry(ACPI_PROCESSOR_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_PROCESSOR_FILE_INFO));
+ return -EIO;
else {
entry->proc_fops = &acpi_processor_info_fops;
entry->data = acpi_driver_data(device);
@@ -342,9 +335,7 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_PROCESSOR_FILE_THROTTLING));
+ return -EIO;
else {
entry->proc_fops = &acpi_processor_throttling_fops;
entry->data = acpi_driver_data(device);
@@ -356,21 +347,18 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_PROCESSOR_FILE_LIMIT));
+ return -EIO;
else {
entry->proc_fops = &acpi_processor_limit_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_processor_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
@@ -383,7 +371,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* Use the acpiid in MADT to map cpus in case of SMP */
@@ -430,10 +418,9 @@
int cpu_index;
static int cpu0_initialized;
- ACPI_FUNCTION_TRACE("acpi_processor_get_info");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (num_online_cpus() > 1)
errata.smp = TRUE;
@@ -459,9 +446,8 @@
*/
status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error evaluating processor object\n"));
- return_VALUE(-ENODEV);
+ printk(KERN_ERR PREFIX "Evaluating processor object\n");
+ return -ENODEV;
}
/*
@@ -490,10 +476,10 @@
if (cpu_index == -1) {
if (ACPI_FAILURE
(acpi_processor_hotadd_init(pr->handle, &pr->id))) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error getting cpuindex for acpiid 0x%x\n",
- pr->acpi_id));
- return_VALUE(-ENODEV);
+ printk(KERN_ERR PREFIX
+ "Getting cpuindex for acpiid 0x%x\n",
+ pr->acpi_id);
+ return -ENODEV;
}
}
@@ -503,8 +489,8 @@
if (!object.processor.pblk_address)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
else if (object.processor.pblk_length != 6)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n",
- object.processor.pblk_length));
+ printk(KERN_ERR PREFIX "Invalid PBLK length [%d]\n",
+ object.processor.pblk_length);
else {
pr->throttling.address = object.processor.pblk_address;
pr->throttling.duty_offset = acpi_fadt.duty_offset;
@@ -528,7 +514,7 @@
acpi_processor_get_throttling_info(pr);
acpi_processor_get_limit_info(pr);
- return_VALUE(0);
+ return 0;
}
static void *processor_device_array[NR_CPUS];
@@ -539,14 +525,13 @@
acpi_status status = AE_OK;
struct acpi_processor *pr;
- ACPI_FUNCTION_TRACE("acpi_processor_start");
pr = acpi_driver_data(device);
result = acpi_processor_get_info(pr);
if (result) {
/* Processor is physically not present */
- return_VALUE(0);
+ return 0;
}
BUG_ON((pr->id >= NR_CPUS) || (pr->id < 0));
@@ -560,7 +545,7 @@
processor_device_array[pr->id] != (void *)device) {
printk(KERN_WARNING "BIOS reported wrong ACPI id"
"for the processor\n");
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
processor_device_array[pr->id] = (void *)device;
@@ -572,10 +557,6 @@
status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify, pr);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing device notify handler\n"));
- }
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
@@ -592,7 +573,7 @@
end:
- return_VALUE(result);
+ return result;
}
static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
@@ -600,13 +581,12 @@
struct acpi_processor *pr = (struct acpi_processor *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_notify");
if (!pr)
- return_VOID;
+ return;
if (acpi_bus_get_device(pr->handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
@@ -624,21 +604,20 @@
break;
}
- return_VOID;
+ return;
}
static int acpi_processor_add(struct acpi_device *device)
{
struct acpi_processor *pr = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
pr = kmalloc(sizeof(struct acpi_processor), GFP_KERNEL);
if (!pr)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(pr, 0, sizeof(struct acpi_processor));
pr->handle = device->handle;
@@ -646,7 +625,7 @@
strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
acpi_driver_data(device) = pr;
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_remove(struct acpi_device *device, int type)
@@ -654,31 +633,26 @@
acpi_status status = AE_OK;
struct acpi_processor *pr = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
pr = (struct acpi_processor *)acpi_driver_data(device);
if (pr->id >= NR_CPUS) {
kfree(pr);
- return_VALUE(0);
+ return 0;
}
if (type == ACPI_BUS_REMOVAL_EJECT) {
if (acpi_processor_handle_eject(pr))
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
acpi_processor_power_exit(pr, device);
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
- }
acpi_processor_remove_fs(device);
@@ -686,7 +660,7 @@
kfree(pr);
- return_VALUE(0);
+ return 0;
}
#ifdef CONFIG_ACPI_HOTPLUG_CPU
@@ -701,15 +675,13 @@
acpi_status status;
unsigned long sta = 0;
- ACPI_FUNCTION_TRACE("is_processor_present");
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status) || !(sta & ACPI_STA_PRESENT)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Processor Device is not present\n"));
- return_VALUE(0);
+ ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present"));
+ return 0;
}
- return_VALUE(1);
+ return 1;
}
static
@@ -719,30 +691,29 @@
struct acpi_device *pdev;
struct acpi_processor *pr;
- ACPI_FUNCTION_TRACE("acpi_processor_device_add");
if (acpi_get_parent(handle, &phandle)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_get_device(phandle, &pdev)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
acpi_bus_start(*device);
pr = acpi_driver_data(*device);
if (!pr)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
kobject_uevent(&(*device)->kobj, KOBJ_ONLINE);
}
- return_VALUE(0);
+ return 0;
}
static void
@@ -752,7 +723,6 @@
struct acpi_device *device = NULL;
int result;
- ACPI_FUNCTION_TRACE("acpi_processor_hotplug_notify");
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
@@ -767,15 +737,14 @@
if (acpi_bus_get_device(handle, &device)) {
result = acpi_processor_device_add(handle, &device);
if (result)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to add the device\n"));
+ printk(KERN_ERR PREFIX
+ "Unable to add the device\n");
break;
}
pr = acpi_driver_data(device);
if (!pr) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Driver data is NULL\n"));
+ printk(KERN_ERR PREFIX "Driver data is NULL\n");
break;
}
@@ -788,9 +757,8 @@
if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) {
kobject_uevent(&device->kobj, KOBJ_ONLINE);
} else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device [%s] failed to start\n",
- acpi_device_bid(device)));
+ printk(KERN_ERR PREFIX "Device [%s] failed to start\n",
+ acpi_device_bid(device));
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
@@ -798,15 +766,15 @@
"received ACPI_NOTIFY_EJECT_REQUEST\n"));
if (acpi_bus_get_device(handle, &device)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Device don't exist, dropping EJECT\n"));
+ printk(KERN_ERR PREFIX
+ "Device don't exist, dropping EJECT\n");
break;
}
pr = acpi_driver_data(device);
if (!pr) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Driver data is NULL, dropping EJECT\n"));
- return_VOID;
+ printk(KERN_ERR PREFIX
+ "Driver data is NULL, dropping EJECT\n");
+ return;
}
if ((pr->id < NR_CPUS) && (cpu_present(pr->id)))
@@ -818,7 +786,7 @@
break;
}
- return_VOID;
+ return;
}
static acpi_status
@@ -857,21 +825,20 @@
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
{
- ACPI_FUNCTION_TRACE("acpi_processor_hotadd_init");
if (!is_processor_present(handle)) {
- return_VALUE(AE_ERROR);
+ return AE_ERROR;
}
if (acpi_map_lsapic(handle, p_cpu))
- return_VALUE(AE_ERROR);
+ return AE_ERROR;
if (arch_register_cpu(*p_cpu)) {
acpi_unmap_lsapic(*p_cpu);
- return_VALUE(AE_ERROR);
+ return AE_ERROR;
}
- return_VALUE(AE_OK);
+ return AE_OK;
}
static int acpi_processor_handle_eject(struct acpi_processor *pr)
@@ -928,20 +895,19 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_init");
memset(&processors, 0, sizeof(processors));
memset(&errata, 0, sizeof(errata));
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
- return_VALUE(0);
+ return 0;
acpi_processor_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_processor_driver);
if (result < 0) {
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
- return_VALUE(0);
+ return 0;
}
acpi_processor_install_hotplug_notify();
@@ -950,12 +916,11 @@
acpi_processor_ppc_init();
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_processor_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_processor_exit");
acpi_processor_ppc_exit();
@@ -967,7 +932,7 @@
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_processor_init);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 8a74bf3..e439eb7 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
* Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de>
+ * Copyright (C) 2004, 2005 Dominik Brodowski <linux@brodo.de>
* Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
* - Added processor hotplug support
* Copyright (C) 2005 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
@@ -99,6 +99,9 @@
static struct dmi_system_id __cpuinitdata processor_power_dmi_table[] = {
{ set_max_cstate, "IBM ThinkPad R40e", {
DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
+ DMI_MATCH(DMI_BIOS_VERSION,"1SET70WW")}, (void *)1},
+ { set_max_cstate, "IBM ThinkPad R40e", {
+ DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW")}, (void *)1},
{ set_max_cstate, "IBM ThinkPad R40e", {
DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
@@ -261,21 +264,15 @@
u32 bm_status = 0;
unsigned long diff = jiffies - pr->power.bm_check_timestamp;
- if (diff > 32)
- diff = 32;
+ if (diff > 31)
+ diff = 31;
- while (diff) {
- /* if we didn't get called, assume there was busmaster activity */
- diff--;
- if (diff)
- pr->power.bm_activity |= 0x1;
- pr->power.bm_activity <<= 1;
- }
+ pr->power.bm_activity <<= diff;
acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS,
&bm_status, ACPI_MTX_DO_NOT_LOCK);
if (bm_status) {
- pr->power.bm_activity++;
+ pr->power.bm_activity |= 0x1;
acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS,
1, ACPI_MTX_DO_NOT_LOCK);
}
@@ -287,16 +284,16 @@
else if (errata.piix4.bmisx) {
if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01)
|| (inb_p(errata.piix4.bmisx + 0x0A) & 0x01))
- pr->power.bm_activity++;
+ pr->power.bm_activity |= 0x1;
}
pr->power.bm_check_timestamp = jiffies;
/*
- * Apply bus mastering demotion policy. Automatically demote
+ * If bus mastering is or was active this jiffy, demote
* to avoid a faulty transition. Note that the processor
* won't enter a low-power state during this call (to this
- * funciton) but should upon the next.
+ * function) but should upon the next.
*
* TBD: A better policy might be to fallback to the demotion
* state (use it for this quantum only) istead of
@@ -304,7 +301,8 @@
* qualification. This may, however, introduce DMA
* issues (e.g. floppy DMA transfer overrun/underrun).
*/
- if (pr->power.bm_activity & cx->demotion.threshold.bm) {
+ if ((pr->power.bm_activity & 0x1) &&
+ cx->demotion.threshold.bm) {
local_irq_enable();
next_state = cx->demotion.state;
goto end;
@@ -322,8 +320,6 @@
cx = &pr->power.states[ACPI_STATE_C1];
#endif
- cx->usage++;
-
/*
* Sleep:
* ------
@@ -365,7 +361,9 @@
t1 = inl(acpi_fadt.xpm_tmr_blk.address);
/* Invoke C2 */
inb(cx->address);
- /* Dummy op - must do something useless after P_LVL2 read */
+ /* Dummy wait op - must do something useless after P_LVL2 read
+ because chipsets cannot guarantee that STPCLK# signal
+ gets asserted in time to freeze execution properly. */
t2 = inl(acpi_fadt.xpm_tmr_blk.address);
/* Get end time (ticks) */
t2 = inl(acpi_fadt.xpm_tmr_blk.address);
@@ -403,7 +401,7 @@
t1 = inl(acpi_fadt.xpm_tmr_blk.address);
/* Invoke C3 */
inb(cx->address);
- /* Dummy op - must do something useless after P_LVL3 read */
+ /* Dummy wait op (see above) */
t2 = inl(acpi_fadt.xpm_tmr_blk.address);
/* Get end time (ticks) */
t2 = inl(acpi_fadt.xpm_tmr_blk.address);
@@ -430,6 +428,9 @@
local_irq_enable();
return;
}
+ cx->usage++;
+ if ((cx->type != ACPI_STATE_C1) && (sleep_ticks > 0))
+ cx->time += sleep_ticks;
next_state = pr->power.state;
@@ -517,10 +518,9 @@
struct acpi_processor_cx *higher = NULL;
struct acpi_processor_cx *cx;
- ACPI_FUNCTION_TRACE("acpi_processor_set_power_policy");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* This function sets the default Cx state policy (OS idle handler).
@@ -544,7 +544,7 @@
}
if (!state_is_set)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* demotion */
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
@@ -583,18 +583,17 @@
higher = cx;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
{
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_fadt");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!pr->pblk)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* if info is obtained from pblk/fadt, type equals state */
pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2;
@@ -606,7 +605,7 @@
* an SMP system.
*/
if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up)
- return_VALUE(-ENODEV);
+ return -ENODEV;
#endif
/* determine C2 and C3 address from pblk */
@@ -622,12 +621,11 @@
pr->power.states[ACPI_STATE_C2].address,
pr->power.states[ACPI_STATE_C3].address));
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_get_power_info_default_c1(struct acpi_processor *pr)
{
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1");
/* Zero initialize all the C-states info. */
memset(pr->power.states, 0, sizeof(pr->power.states));
@@ -640,7 +638,7 @@
pr->power.states[ACPI_STATE_C0].valid = 1;
pr->power.states[ACPI_STATE_C1].valid = 1;
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
@@ -652,10 +650,9 @@
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *cst;
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_cst");
if (nocst)
- return_VALUE(-ENODEV);
+ return -ENODEV;
current_count = 1;
@@ -667,15 +664,14 @@
status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _CST, giving up\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
cst = (union acpi_object *)buffer.pointer;
/* There must be at least 2 elements */
if (!cst || (cst->type != ACPI_TYPE_PACKAGE) || cst->package.count < 2) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "not enough elements in _CST\n"));
+ printk(KERN_ERR PREFIX "not enough elements in _CST\n");
status = -EFAULT;
goto end;
}
@@ -684,8 +680,7 @@
/* Validate number of power states. */
if (count < 1 || count != cst->package.count - 1) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "count given by _CST is not valid\n"));
+ printk(KERN_ERR PREFIX "count given by _CST is not valid\n");
status = -EFAULT;
goto end;
}
@@ -775,15 +770,14 @@
end:
acpi_os_free(buffer.pointer);
- return_VALUE(status);
+ return status;
}
static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx)
{
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c2");
if (!cx->address)
- return_VOID;
+ return;
/*
* C2 latency must be less than or equal to 100
@@ -792,7 +786,7 @@
else if (cx->latency > ACPI_PROCESSOR_MAX_C2_LATENCY) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"latency too large [%d]\n", cx->latency));
- return_VOID;
+ return;
}
/*
@@ -802,7 +796,7 @@
cx->valid = 1;
cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency);
- return_VOID;
+ return;
}
static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
@@ -810,10 +804,9 @@
{
static int bm_check_flag;
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c3");
if (!cx->address)
- return_VOID;
+ return;
/*
* C3 latency must be less than or equal to 1000
@@ -822,7 +815,7 @@
else if (cx->latency > ACPI_PROCESSOR_MAX_C3_LATENCY) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"latency too large [%d]\n", cx->latency));
- return_VOID;
+ return;
}
/*
@@ -835,7 +828,7 @@
else if (errata.piix4.fdma) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"C3 not supported on PIIX4 with Type-F DMA\n"));
- return_VOID;
+ return;
}
/* All the logic here assumes flags.bm_check is same across all CPUs */
@@ -852,7 +845,7 @@
if (!pr->flags.bm_control) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"C3 support requires bus mastering control\n"));
- return_VOID;
+ return;
}
} else {
/*
@@ -863,7 +856,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Cache invalidation should work properly"
" for C3 to be enabled on SMP systems\n"));
- return_VOID;
+ return;
}
acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD,
0, ACPI_MTX_DO_NOT_LOCK);
@@ -878,7 +871,7 @@
cx->valid = 1;
cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency);
- return_VOID;
+ return;
}
static int acpi_processor_power_verify(struct acpi_processor *pr)
@@ -937,7 +930,6 @@
unsigned int i;
int result;
- ACPI_FUNCTION_TRACE("acpi_processor_get_power_info");
/* NOTE: the idle thread may not be running while calling
* this function */
@@ -960,7 +952,7 @@
*/
result = acpi_processor_set_power_policy(pr);
if (result)
- return_VALUE(result);
+ return result;
/*
* if one state of type C2 or C3 is available, mark this
@@ -974,24 +966,23 @@
}
}
- return_VALUE(0);
+ return 0;
}
int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_cst_has_changed");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (nocst) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (!pr->flags.power_setup_done)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* Fall back to the default idle loop */
pm_idle = pm_idle_save;
@@ -1002,7 +993,7 @@
if ((pr->flags.power == 1) && (pr->flags.power_setup_done))
pm_idle = acpi_processor_idle;
- return_VALUE(result);
+ return result;
}
/* proc interface */
@@ -1012,7 +1003,6 @@
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
unsigned int i;
- ACPI_FUNCTION_TRACE("acpi_processor_power_seq_show");
if (!pr)
goto end;
@@ -1064,13 +1054,14 @@
else
seq_puts(seq, "demotion[--] ");
- seq_printf(seq, "latency[%03d] usage[%08d]\n",
+ seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n",
pr->power.states[i].latency,
- pr->power.states[i].usage);
+ pr->power.states[i].usage,
+ pr->power.states[i].time);
}
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_power_open_fs(struct inode *inode, struct file *file)
@@ -1094,7 +1085,6 @@
struct proc_dir_entry *entry = NULL;
unsigned int i;
- ACPI_FUNCTION_TRACE("acpi_processor_power_init");
if (!first_run) {
dmi_check_system(processor_power_dmi_table);
@@ -1106,14 +1096,14 @@
}
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (acpi_fadt.cst_cnt && !nocst) {
status =
acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Notifying BIOS of _CST ability failed\n"));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Notifying BIOS of _CST ability failed"));
}
}
@@ -1142,9 +1132,7 @@
entry = create_proc_entry(ACPI_PROCESSOR_FILE_POWER,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_PROCESSOR_FILE_POWER));
+ return -EIO;
else {
entry->proc_fops = &acpi_processor_power_fops;
entry->data = acpi_driver_data(device);
@@ -1153,13 +1141,12 @@
pr->flags.power_setup_done = 1;
- return_VALUE(0);
+ return 0;
}
int acpi_processor_power_exit(struct acpi_processor *pr,
struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_processor_power_exit");
pr->flags.power_setup_done = 0;
@@ -1179,5 +1166,5 @@
cpu_idle_wait();
}
- return_VALUE(0);
+ return 0;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 41aaaba..14a00e5 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -108,10 +108,9 @@
acpi_status status = 0;
unsigned long ppc = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_get_platform_limit");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/*
* _PPC indicates the maximum state currently supported by the platform
@@ -123,13 +122,13 @@
acpi_processor_ppc_status |= PPC_IN_USE;
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PPC\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PPC"));
+ return -ENODEV;
}
pr->performance_platform_limit = (int)ppc;
- return_VALUE(0);
+ return 0;
}
int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
@@ -168,18 +167,17 @@
union acpi_object *pct = NULL;
union acpi_object obj = { 0 };
- ACPI_FUNCTION_TRACE("acpi_processor_get_performance_control");
status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PCT\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PCT"));
+ return -ENODEV;
}
pct = (union acpi_object *)buffer.pointer;
if (!pct || (pct->type != ACPI_TYPE_PACKAGE)
|| (pct->package.count != 2)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PCT data\n"));
+ printk(KERN_ERR PREFIX "Invalid _PCT data\n");
result = -EFAULT;
goto end;
}
@@ -193,8 +191,7 @@
if ((obj.type != ACPI_TYPE_BUFFER)
|| (obj.buffer.length < sizeof(struct acpi_pct_register))
|| (obj.buffer.pointer == NULL)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid _PCT data (control_register)\n"));
+ printk(KERN_ERR PREFIX "Invalid _PCT data (control_register)\n");
result = -EFAULT;
goto end;
}
@@ -210,8 +207,7 @@
if ((obj.type != ACPI_TYPE_BUFFER)
|| (obj.buffer.length < sizeof(struct acpi_pct_register))
|| (obj.buffer.pointer == NULL)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid _PCT data (status_register)\n"));
+ printk(KERN_ERR PREFIX "Invalid _PCT data (status_register)\n");
result = -EFAULT;
goto end;
}
@@ -222,7 +218,7 @@
end:
acpi_os_free(buffer.pointer);
- return_VALUE(result);
+ return result;
}
static int acpi_processor_get_performance_states(struct acpi_processor *pr)
@@ -235,17 +231,16 @@
union acpi_object *pss = NULL;
int i;
- ACPI_FUNCTION_TRACE("acpi_processor_get_performance_states");
status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PSS\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PSS"));
+ return -ENODEV;
}
pss = (union acpi_object *)buffer.pointer;
if (!pss || (pss->type != ACPI_TYPE_PACKAGE)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSS data\n"));
+ printk(KERN_ERR PREFIX "Invalid _PSS data\n");
result = -EFAULT;
goto end;
}
@@ -274,8 +269,7 @@
status = acpi_extract_package(&(pss->package.elements[i]),
&format, &state);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid _PSS data\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Invalid _PSS data"));
result = -EFAULT;
kfree(pr->performance->states);
goto end;
@@ -291,8 +285,8 @@
(u32) px->control, (u32) px->status));
if (!px->core_frequency) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid _PSS data: freq is zero\n"));
+ printk(KERN_ERR PREFIX
+ "Invalid _PSS data: freq is zero\n");
result = -EFAULT;
kfree(pr->performance->states);
goto end;
@@ -302,7 +296,7 @@
end:
acpi_os_free(buffer.pointer);
- return_VALUE(result);
+ return result;
}
static int acpi_processor_get_performance_info(struct acpi_processor *pr)
@@ -311,31 +305,30 @@
acpi_status status = AE_OK;
acpi_handle handle = NULL;
- ACPI_FUNCTION_TRACE("acpi_processor_get_performance_info");
if (!pr || !pr->performance || !pr->handle)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_get_handle(pr->handle, "_PCT", &handle);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"ACPI-based processor performance control unavailable\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
result = acpi_processor_get_performance_control(pr);
if (result)
- return_VALUE(result);
+ return result;
result = acpi_processor_get_performance_states(pr);
if (result)
- return_VALUE(result);
+ return result;
result = acpi_processor_get_platform_limit(pr);
if (result)
- return_VALUE(result);
+ return result;
- return_VALUE(0);
+ return 0;
}
int acpi_processor_notify_smm(struct module *calling_module)
@@ -343,13 +336,12 @@
acpi_status status;
static int is_done = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_notify_smm");
if (!(acpi_processor_ppc_status & PPC_REGISTERED))
- return_VALUE(-EBUSY);
+ return -EBUSY;
if (!try_module_get(calling_module))
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* is_done is set to negative if an error occured,
* and to postitive if _no_ error occured, but SMM
@@ -358,10 +350,10 @@
*/
if (is_done > 0) {
module_put(calling_module);
- return_VALUE(0);
+ return 0;
} else if (is_done < 0) {
module_put(calling_module);
- return_VALUE(is_done);
+ return is_done;
}
is_done = -EIO;
@@ -370,7 +362,7 @@
if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n"));
module_put(calling_module);
- return_VALUE(0);
+ return 0;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -387,12 +379,12 @@
status = acpi_os_write_port(acpi_fadt.smi_cmd,
(u32) acpi_fadt.pstate_cnt, 8);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Failed to write pstate_cnt [0x%x] to "
- "smi_cmd [0x%x]\n", acpi_fadt.pstate_cnt,
- acpi_fadt.smi_cmd));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Failed to write pstate_cnt [0x%x] to "
+ "smi_cmd [0x%x]", acpi_fadt.pstate_cnt,
+ acpi_fadt.smi_cmd));
module_put(calling_module);
- return_VALUE(status);
+ return status;
}
/* Success. If there's no _PPC, we need to fear nothing, so
@@ -402,7 +394,7 @@
if (!(acpi_processor_ppc_status & PPC_IN_USE))
module_put(calling_module);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_processor_notify_smm);
@@ -423,7 +415,6 @@
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
int i;
- ACPI_FUNCTION_TRACE("acpi_processor_perf_seq_show");
if (!pr)
goto end;
@@ -447,7 +438,7 @@
(u32) pr->performance->states[i].transition_latency);
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file)
@@ -469,23 +460,22 @@
unsigned int new_state = 0;
struct cpufreq_policy policy;
- ACPI_FUNCTION_TRACE("acpi_processor_write_performance");
if (!pr || (count > sizeof(state_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
perf = pr->performance;
if (!perf)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(state_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
state_string[count] = '\0';
new_state = simple_strtoul(state_string, NULL, 0);
if (new_state >= perf->state_count)
- return_VALUE(-EINVAL);
+ return -EINVAL;
cpufreq_get_policy(&policy, pr->id);
@@ -495,9 +485,9 @@
result = cpufreq_set_policy(&policy);
if (result)
- return_VALUE(result);
+ return result;
- return_VALUE(count);
+ return count;
}
static void acpi_cpufreq_add_file(struct acpi_processor *pr)
@@ -505,42 +495,36 @@
struct proc_dir_entry *entry = NULL;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile");
if (acpi_bus_get_device(pr->handle, &device))
- return_VOID;
+ return;
/* add file 'performance' [R/W] */
entry = create_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
- if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_PROCESSOR_FILE_PERFORMANCE));
- else {
+ if (entry){
acpi_processor_perf_fops.write = acpi_processor_write_performance;
entry->proc_fops = &acpi_processor_perf_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VOID;
+ return;
}
static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
{
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile");
if (acpi_bus_get_device(pr->handle, &device))
- return_VOID;
+ return;
/* remove file 'performance' */
remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
acpi_device_dir(device));
- return_VOID;
+ return;
}
#else
@@ -698,12 +682,12 @@
/* Validate the Domain info */
count_target = pdomain->num_processors;
count = 1;
- if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL ||
- pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL) {
+ if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL)
pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
- } else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY) {
+ else if (pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL)
+ pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW;
+ else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY)
pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY;
- }
for_each_possible_cpu(j) {
if (i == j)
@@ -784,22 +768,21 @@
{
struct acpi_processor *pr;
- ACPI_FUNCTION_TRACE("acpi_processor_register_performance");
if (!(acpi_processor_ppc_status & PPC_REGISTERED))
- return_VALUE(-EINVAL);
+ return -EINVAL;
mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
mutex_unlock(&performance_mutex);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (pr->performance) {
mutex_unlock(&performance_mutex);
- return_VALUE(-EBUSY);
+ return -EBUSY;
}
WARN_ON(!performance);
@@ -809,13 +792,13 @@
if (acpi_processor_get_performance_info(pr)) {
pr->performance = NULL;
mutex_unlock(&performance_mutex);
- return_VALUE(-EIO);
+ return -EIO;
}
acpi_cpufreq_add_file(pr);
mutex_unlock(&performance_mutex);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_processor_register_performance);
@@ -826,14 +809,13 @@
{
struct acpi_processor *pr;
- ACPI_FUNCTION_TRACE("acpi_processor_unregister_performance");
mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
mutex_unlock(&performance_mutex);
- return_VOID;
+ return;
}
if (pr->performance)
@@ -844,7 +826,7 @@
mutex_unlock(&performance_mutex);
- return_VOID;
+ return;
}
EXPORT_SYMBOL(acpi_processor_unregister_performance);
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index f99ad05..ef5e0f6 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -54,13 +54,12 @@
u16 px = 0;
u16 tx = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_apply_limit");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!pr->flags.limit)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (pr->flags.throttling) {
if (pr->limit.user.tx > tx)
@@ -82,9 +81,9 @@
end:
if (result)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to set limit\n"));
+ printk(KERN_ERR PREFIX "Unable to set limit\n");
- return_VALUE(result);
+ return result;
}
#ifdef CONFIG_CPU_FREQ
@@ -200,19 +199,18 @@
struct acpi_device *device = NULL;
int tx = 0, max_tx_px = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_set_thermal_limit");
if ((type < ACPI_PROCESSOR_LIMIT_NONE)
|| (type > ACPI_PROCESSOR_LIMIT_DECREMENT))
- return_VALUE(-EINVAL);
+ return -EINVAL;
result = acpi_bus_get_device(handle, &device);
if (result)
- return_VALUE(result);
+ return result;
pr = (struct acpi_processor *)acpi_driver_data(device);
if (!pr)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/* Thermal limits are always relative to the current Px/Tx state. */
if (pr->flags.throttling)
@@ -289,30 +287,28 @@
result = acpi_processor_apply_limit(pr);
if (result)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to set thermal limit\n"));
+ printk(KERN_ERR PREFIX "Unable to set thermal limit\n");
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Thermal limit now (P%d:T%d)\n",
pr->limit.thermal.px, pr->limit.thermal.tx));
} else
result = 0;
if (max_tx_px)
- return_VALUE(1);
+ return 1;
else
- return_VALUE(result);
+ return result;
}
int acpi_processor_get_limit_info(struct acpi_processor *pr)
{
- ACPI_FUNCTION_TRACE("acpi_processor_get_limit_info");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (pr->flags.throttling)
pr->flags.limit = 1;
- return_VALUE(0);
+ return 0;
}
/* /proc interface */
@@ -321,7 +317,6 @@
{
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_processor_limit_seq_show");
if (!pr)
goto end;
@@ -339,7 +334,7 @@
pr->limit.thermal.px, pr->limit.thermal.tx);
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file)
@@ -359,36 +354,33 @@
int px = 0;
int tx = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_write_limit");
if (!pr || (count > sizeof(limit_string) - 1)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n"));
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
if (copy_from_user(limit_string, buffer, count)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n"));
- return_VALUE(-EFAULT);
+ return -EFAULT;
}
limit_string[count] = '\0';
if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid data format\n");
+ return -EINVAL;
}
if (pr->flags.throttling) {
if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid tx\n"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "Invalid tx\n");
+ return -EINVAL;
}
pr->limit.user.tx = tx;
}
result = acpi_processor_apply_limit(pr);
- return_VALUE(count);
+ return count;
}
struct file_operations acpi_processor_limit_fops = {
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index b966549..d044ec5 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -55,13 +55,12 @@
u32 duty_mask = 0;
u32 duty_value = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_get_throttling");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!pr->flags.throttling)
- return_VALUE(-ENODEV);
+ return -ENODEV;
pr->throttling.state = 0;
@@ -93,7 +92,7 @@
"Throttling state is T%d (%d%% throttling applied)\n",
state, pr->throttling.states[state].performance));
- return_VALUE(0);
+ return 0;
}
int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
@@ -102,19 +101,18 @@
u32 duty_mask = 0;
u32 duty_value = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_set_throttling");
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if ((state < 0) || (state > (pr->throttling.state_count - 1)))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!pr->flags.throttling)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (state == pr->throttling.state)
- return_VALUE(0);
+ return 0;
/*
* Calculate the duty_value and duty_mask.
@@ -165,7 +163,7 @@
(pr->throttling.states[state].performance ? pr->
throttling.states[state].performance / 10 : 0)));
- return_VALUE(0);
+ return 0;
}
int acpi_processor_get_throttling_info(struct acpi_processor *pr)
@@ -174,7 +172,6 @@
int step = 0;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_get_throttling_info");
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n",
@@ -183,21 +180,21 @@
pr->throttling.duty_width));
if (!pr)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* TBD: Support ACPI 2.0 objects */
if (!pr->throttling.address) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n"));
- return_VALUE(0);
+ return 0;
} else if (!pr->throttling.duty_width) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling states\n"));
- return_VALUE(0);
+ return 0;
}
/* TBD: Support duty_cycle values that span bit 4. */
else if ((pr->throttling.duty_offset + pr->throttling.duty_width) > 4) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "duty_cycle spans bit 4\n"));
- return_VALUE(0);
+ printk(KERN_WARNING PREFIX "duty_cycle spans bit 4\n");
+ return 0;
}
/*
@@ -208,7 +205,7 @@
if (errata.piix4.throttle) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Throttling not supported on PIIX4 A- or B-step\n"));
- return_VALUE(0);
+ return 0;
}
pr->throttling.state_count = 1 << acpi_fadt.duty_width;
@@ -254,7 +251,7 @@
if (result)
pr->flags.throttling = 0;
- return_VALUE(result);
+ return result;
}
/* proc interface */
@@ -266,7 +263,6 @@
int i = 0;
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_processor_throttling_seq_show");
if (!pr)
goto end;
@@ -296,7 +292,7 @@
throttling.states[i].performance / 10 : 0));
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_processor_throttling_open_fs(struct inode *inode,
@@ -315,13 +311,12 @@
struct acpi_processor *pr = (struct acpi_processor *)m->private;
char state_string[12] = { '\0' };
- ACPI_FUNCTION_TRACE("acpi_processor_write_throttling");
if (!pr || (count > sizeof(state_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(state_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
state_string[count] = '\0';
@@ -329,9 +324,9 @@
simple_strtoul(state_string,
NULL, 0));
if (result)
- return_VALUE(result);
+ return result;
- return_VALUE(count);
+ return count;
}
struct file_operations acpi_processor_throttling_fops = {
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f8316a0..861ac37 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -162,11 +162,10 @@
void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context)
{
- ACPI_FUNCTION_TRACE("acpi_bus_data_handler");
/* TBD */
- return_VOID;
+ return;
}
static int acpi_bus_get_power_flags(struct acpi_device *device)
@@ -175,7 +174,6 @@
acpi_handle handle = NULL;
u32 i = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_get_power_flags");
/*
* Power Management Flags
@@ -228,7 +226,7 @@
device->power.state = ACPI_STATE_UNKNOWN;
- return_VALUE(0);
+ return 0;
}
int acpi_match_ids(struct acpi_device *device, char *ids)
@@ -306,20 +304,18 @@
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
- ACPI_FUNCTION_TRACE("acpi_bus_get_wakeup_flags");
/* _PRW */
status = acpi_evaluate_object(device->handle, "_PRW", NULL, &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRW\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
goto end;
}
package = (union acpi_object *)buffer.pointer;
status = acpi_bus_extract_wakeup_device_power_package(device, package);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error extracting _PRW package\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package"));
goto end;
}
@@ -333,7 +329,7 @@
end:
if (ACPI_FAILURE(status))
device->flags.wake_capable = 0;
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -489,19 +485,18 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_bus_driver_init");
if (!device || !driver)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!driver->ops.add)
- return_VALUE(-ENOSYS);
+ return -ENOSYS;
result = driver->ops.add(device);
if (result) {
device->driver = NULL;
acpi_driver_data(device) = NULL;
- return_VALUE(result);
+ return result;
}
device->driver = driver;
@@ -513,7 +508,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Driver successfully bound to device\n"));
- return_VALUE(0);
+ return 0;
}
static int acpi_start_single_object(struct acpi_device *device)
@@ -521,10 +516,9 @@
int result = 0;
struct acpi_driver *driver;
- ACPI_FUNCTION_TRACE("acpi_start_single_object");
if (!(driver = device->driver))
- return_VALUE(0);
+ return 0;
if (driver->ops.start) {
result = driver->ops.start(device);
@@ -532,14 +526,13 @@
driver->ops.remove(device, ACPI_BUS_REMOVAL_NORMAL);
}
- return_VALUE(result);
+ return result;
}
static void acpi_driver_attach(struct acpi_driver *drv)
{
struct list_head *node, *next;
- ACPI_FUNCTION_TRACE("acpi_driver_attach");
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_device_list) {
@@ -568,7 +561,6 @@
{
struct list_head *node, *next;
- ACPI_FUNCTION_TRACE("acpi_driver_detach");
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_device_list) {
@@ -598,17 +590,16 @@
*/
int acpi_bus_register_driver(struct acpi_driver *driver)
{
- ACPI_FUNCTION_TRACE("acpi_bus_register_driver");
if (acpi_disabled)
- return_VALUE(-ENODEV);
+ return -ENODEV;
spin_lock(&acpi_device_lock);
list_add_tail(&driver->node, &acpi_bus_drivers);
spin_unlock(&acpi_device_lock);
acpi_driver_attach(driver);
- return_VALUE(0);
+ return 0;
}
EXPORT_SYMBOL(acpi_bus_register_driver);
@@ -646,7 +637,6 @@
int result = 0;
struct list_head *node, *next;
- ACPI_FUNCTION_TRACE("acpi_bus_find_driver");
spin_lock(&acpi_device_lock);
list_for_each_safe(node, next, &acpi_bus_drivers) {
@@ -666,19 +656,41 @@
spin_unlock(&acpi_device_lock);
Done:
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
Device Enumeration
-------------------------------------------------------------------------- */
+acpi_status
+acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd)
+{
+ acpi_status status;
+ acpi_handle tmp;
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *obj;
+
+ status = acpi_get_handle(handle, "_EJD", &tmp);
+ if (ACPI_FAILURE(status))
+ return status;
+
+ status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer);
+ if (ACPI_SUCCESS(status)) {
+ obj = buffer.pointer;
+ status = acpi_get_handle(NULL, obj->string.pointer, ejd);
+ kfree(buffer.pointer);
+ }
+ return status;
+}
+EXPORT_SYMBOL_GPL(acpi_bus_get_ejd);
+
+
static int acpi_bus_get_flags(struct acpi_device *device)
{
acpi_status status = AE_OK;
acpi_handle temp = NULL;
- ACPI_FUNCTION_TRACE("acpi_bus_get_flags");
/* Presence of _STA indicates 'dynamic_status' */
status = acpi_get_handle(device->handle, "_STA", &temp);
@@ -724,7 +736,7 @@
/* TBD: Peformance management */
- return_VALUE(0);
+ return 0;
}
static void acpi_device_get_busid(struct acpi_device *device,
@@ -918,10 +930,9 @@
int result = 0;
struct acpi_driver *driver;
- ACPI_FUNCTION_TRACE("acpi_bus_remove");
if (!dev)
- return_VALUE(-EINVAL);
+ return -EINVAL;
driver = dev->driver;
@@ -930,12 +941,12 @@
if (driver->ops.stop) {
result = driver->ops.stop(dev, ACPI_BUS_REMOVAL_EJECT);
if (result)
- return_VALUE(result);
+ return result;
}
result = dev->driver->ops.remove(dev, ACPI_BUS_REMOVAL_EJECT);
if (result) {
- return_VALUE(result);
+ return result;
}
atomic_dec(&dev->driver->references);
@@ -944,7 +955,7 @@
}
if (!rmdevice)
- return_VALUE(0);
+ return 0;
if (dev->flags.bus_address) {
if ((dev->parent) && (dev->parent->ops.unbind))
@@ -953,7 +964,7 @@
acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT);
- return_VALUE(0);
+ return 0;
}
static int
@@ -963,15 +974,14 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_add_single_object");
if (!child)
- return_VALUE(-EINVAL);
+ return -EINVAL;
device = kmalloc(sizeof(struct acpi_device), GFP_KERNEL);
if (!device) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Memory allocation error\n"));
- return_VALUE(-ENOMEM);
+ printk(KERN_ERR PREFIX "Memory allocation error\n");
+ return -ENOMEM;
}
memset(device, 0, sizeof(struct acpi_device));
@@ -1096,7 +1106,7 @@
kfree(device);
}
- return_VALUE(result);
+ return result;
}
static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops)
@@ -1109,10 +1119,9 @@
acpi_object_type type = 0;
u32 level = 1;
- ACPI_FUNCTION_TRACE("acpi_bus_scan");
if (!start)
- return_VALUE(-EINVAL);
+ return -EINVAL;
parent = start;
phandle = start->handle;
@@ -1209,7 +1218,7 @@
}
}
- return_VALUE(0);
+ return 0;
}
int
@@ -1219,7 +1228,6 @@
int result;
struct acpi_bus_ops ops;
- ACPI_FUNCTION_TRACE("acpi_bus_add");
result = acpi_add_single_object(child, parent, handle, type);
if (!result) {
@@ -1227,7 +1235,7 @@
ops.acpi_op_add = 1;
result = acpi_bus_scan(*child, &ops);
}
- return_VALUE(result);
+ return result;
}
EXPORT_SYMBOL(acpi_bus_add);
@@ -1237,10 +1245,9 @@
int result;
struct acpi_bus_ops ops;
- ACPI_FUNCTION_TRACE("acpi_bus_start");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
result = acpi_start_single_object(device);
if (!result) {
@@ -1248,7 +1255,7 @@
ops.acpi_op_start = 1;
result = acpi_bus_scan(device, &ops);
}
- return_VALUE(result);
+ return result;
}
EXPORT_SYMBOL(acpi_bus_start);
@@ -1314,10 +1321,9 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_bus_scan_fixed");
if (!root)
- return_VALUE(-ENODEV);
+ return -ENODEV;
/*
* Enumerate all fixed-feature devices.
@@ -1338,7 +1344,7 @@
result = acpi_start_single_object(device);
}
- return_VALUE(result);
+ return result;
}
@@ -1427,7 +1433,7 @@
}
-struct bus_type acpi_bus_type = {
+static struct bus_type acpi_bus_type = {
.name = "acpi",
.suspend = acpi_device_suspend,
.resume = acpi_device_resume,
@@ -1440,10 +1446,9 @@
int result;
struct acpi_bus_ops ops;
- ACPI_FUNCTION_TRACE("acpi_scan_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
kset_register(&acpi_namespace_kset);
@@ -1488,7 +1493,7 @@
acpi_device_unregister(acpi_root, ACPI_BUS_REMOVAL_NORMAL);
Done:
- return_VALUE(result);
+ return result;
}
subsys_initcall(acpi_scan_init);
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index a934ac4..c90bd2f 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -47,10 +47,9 @@
static int acpi_system_read_info(struct seq_file *seq, void *offset)
{
- ACPI_FUNCTION_TRACE("acpi_system_read_info");
seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
- return_VALUE(0);
+ return 0;
}
static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
@@ -80,17 +79,16 @@
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
ssize_t res;
- ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos,
dsdt.pointer, dsdt.length);
acpi_os_free(dsdt.pointer);
- return_VALUE(res);
+ return res;
}
static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
@@ -108,17 +106,16 @@
struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL };
ssize_t res;
- ACPI_FUNCTION_TRACE("acpi_system_read_fadt");
status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
res = simple_read_from_buffer(buffer, count, ppos,
fadt.pointer, fadt.length);
acpi_os_free(fadt.pointer);
- return_VALUE(res);
+ return res;
}
static int __init acpi_system_init(void)
@@ -127,10 +124,9 @@
int error = 0;
char *name;
- ACPI_FUNCTION_TRACE("acpi_system_init");
if (acpi_disabled)
- return_VALUE(0);
+ return 0;
/* 'info' [R] */
name = ACPI_SYSTEM_FILE_INFO;
@@ -158,12 +154,9 @@
goto Error;
Done:
- return_VALUE(error);
+ return error;
Error:
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' proc fs entry\n", name));
-
remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index e7fe3a1..c855f44 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -222,51 +222,48 @@
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_thermal_get_temperature");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
tz->last_temperature = tz->temperature;
status =
acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n",
tz->temperature));
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_thermal_get_polling_frequency");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status =
acpi_evaluate_integer(tz->handle, "_TZP", NULL,
&tz->polling_frequency);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n",
tz->polling_frequency));
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
{
- ACPI_FUNCTION_TRACE("acpi_thermal_set_polling");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */
@@ -274,7 +271,7 @@
"Polling frequency set to %lu seconds\n",
tz->polling_frequency));
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
@@ -284,29 +281,28 @@
struct acpi_object_list arg_list = { 1, &arg0 };
acpi_handle handle = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_set_cooling_mode");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_get_handle(tz->handle, "_SCP", &handle);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "_SCP not present\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
arg0.integer.value = mode;
status = acpi_evaluate_object(handle, NULL, &arg_list, NULL);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
tz->cooling_mode = mode;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n",
mode ? "passive" : "active"));
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
@@ -314,10 +310,9 @@
acpi_status status = AE_OK;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_get_trip_points");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Critical Shutdown (required) */
@@ -325,8 +320,8 @@
&tz->trips.critical.temperature);
if (ACPI_FAILURE(status)) {
tz->trips.critical.flags.valid = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No critical threshold\n"));
- return_VALUE(-ENODEV);
+ ACPI_EXCEPTION((AE_INFO, status, "No critical threshold"));
+ return -ENODEV;
} else {
tz->trips.critical.flags.valid = 1;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -384,8 +379,7 @@
tz->trips.passive.flags.valid = 0;
if (!tz->trips.passive.flags.valid)
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid passive threshold\n"));
+ printk(KERN_WARNING PREFIX "Invalid passive threshold\n");
else
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Found passive threshold [%lu]\n",
@@ -414,29 +408,27 @@
"Found active threshold [%d]:[%lu]\n",
i, tz->trips.active[i].temperature));
} else
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid active threshold [%d]\n",
- i));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Invalid active threshold [%d]", i));
}
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_get_devices(struct acpi_thermal *tz)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_thermal_get_devices");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status =
acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_call_usermode(char *path)
@@ -444,10 +436,9 @@
char *argv[2] = { NULL, NULL };
char *envp[3] = { NULL, NULL, NULL };
- ACPI_FUNCTION_TRACE("acpi_thermal_call_usermode");
if (!path)
- return_VALUE(-EINVAL);
+ return -EINVAL;
argv[0] = path;
@@ -457,7 +448,7 @@
call_usermodehelper(argv[0], argv, envp, 0);
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_critical(struct acpi_thermal *tz)
@@ -465,20 +456,19 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_critical");
if (!tz || !tz->trips.critical.flags.valid)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (tz->temperature >= tz->trips.critical.temperature) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Critical trip point\n"));
+ printk(KERN_WARNING PREFIX "Critical trip point\n");
tz->trips.critical.flags.enabled = 1;
} else if (tz->trips.critical.flags.enabled)
tz->trips.critical.flags.enabled = 0;
result = acpi_bus_get_device(tz->handle, &device);
if (result)
- return_VALUE(result);
+ return result;
printk(KERN_EMERG
"Critical temperature reached (%ld C), shutting down.\n",
@@ -488,7 +478,7 @@
acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_hot(struct acpi_thermal *tz)
@@ -496,27 +486,26 @@
int result = 0;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_hot");
if (!tz || !tz->trips.hot.flags.valid)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (tz->temperature >= tz->trips.hot.temperature) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Hot trip point\n"));
+ printk(KERN_WARNING PREFIX "Hot trip point\n");
tz->trips.hot.flags.enabled = 1;
} else if (tz->trips.hot.flags.enabled)
tz->trips.hot.flags.enabled = 0;
result = acpi_bus_get_device(tz->handle, &device);
if (result)
- return_VALUE(result);
+ return result;
acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT,
tz->trips.hot.flags.enabled);
/* TBD: Call user-mode "sleep(S4)" function */
- return_VALUE(0);
+ return 0;
}
static void acpi_thermal_passive(struct acpi_thermal *tz)
@@ -526,7 +515,6 @@
int trend = 0;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_passive");
if (!tz || !tz->trips.passive.flags.valid)
return;
@@ -615,7 +603,6 @@
int j = 0;
unsigned long maxtemp = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_active");
if (!tz)
return;
@@ -642,10 +629,10 @@
handles[j],
ACPI_STATE_D0);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Unable to turn cooling device [%p] 'on'\n",
- active->devices.
- handles[j]));
+ printk(KERN_WARNING PREFIX
+ "Unable to turn cooling device [%p] 'on'\n",
+ active->devices.
+ handles[j]);
continue;
}
active->flags.enabled = 1;
@@ -667,9 +654,9 @@
result = acpi_bus_set_power(active->devices.handles[j],
ACPI_STATE_D3);
if (result) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Unable to turn cooling device [%p] 'off'\n",
- active->devices.handles[j]));
+ printk(KERN_WARNING PREFIX
+ "Unable to turn cooling device [%p] 'off'\n",
+ active->devices.handles[j]);
continue;
}
active->flags.enabled = 0;
@@ -697,18 +684,17 @@
int i = 0;
struct acpi_thermal_state state;
- ACPI_FUNCTION_TRACE("acpi_thermal_check");
if (!tz) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n"));
- return_VOID;
+ printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+ return;
}
state = tz->state;
result = acpi_thermal_get_temperature(tz);
if (result)
- return_VOID;
+ return;
memset(&tz->state, 0, sizeof(tz->state));
@@ -797,7 +783,7 @@
}
}
- return_VOID;
+ return;
}
/* --------------------------------------------------------------------------
@@ -810,7 +796,6 @@
{
struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show");
if (!tz)
goto end;
@@ -833,7 +818,7 @@
}
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file)
@@ -846,7 +831,6 @@
int result = 0;
struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show");
if (!tz)
goto end;
@@ -859,7 +843,7 @@
KELVIN_TO_CELSIUS(tz->temperature));
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file)
@@ -873,7 +857,6 @@
int i = 0;
int j = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show");
if (!tz)
goto end;
@@ -913,7 +896,7 @@
}
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file)
@@ -934,28 +917,25 @@
int *active;
int i = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_write_trip_points");
limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
if (!limit_string)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
if (!active) {
kfree(limit_string);
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
}
if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n"));
count = -EINVAL;
goto end;
}
if (copy_from_user(limit_string, buffer, count)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n"));
count = -EFAULT;
goto end;
}
@@ -968,7 +948,6 @@
&active[5], &active[6], &active[7], &active[8],
&active[9]);
if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
count = -EINVAL;
goto end;
}
@@ -985,14 +964,13 @@
end:
kfree(active);
kfree(limit_string);
- return_VALUE(count);
+ return count;
}
static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show");
if (!tz)
goto end;
@@ -1008,7 +986,7 @@
tz->cooling_mode ? "passive" : "active");
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file)
@@ -1027,16 +1005,15 @@
int result = 0;
char mode_string[12] = { '\0' };
- ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode");
if (!tz || (count > sizeof(mode_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (!tz->flags.cooling_mode)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (copy_from_user(mode_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
mode_string[count] = '\0';
@@ -1044,18 +1021,17 @@
simple_strtoul(mode_string, NULL,
0));
if (result)
- return_VALUE(result);
+ return result;
acpi_thermal_check(tz);
- return_VALUE(count);
+ return count;
}
static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_thermal *tz = (struct acpi_thermal *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show");
if (!tz)
goto end;
@@ -1069,7 +1045,7 @@
(tz->polling_frequency / 10));
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file)
@@ -1089,13 +1065,12 @@
char polling_string[12] = { '\0' };
int seconds = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_write_polling");
if (!tz || (count > sizeof(polling_string) - 1))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(polling_string, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
polling_string[count] = '\0';
@@ -1103,24 +1078,23 @@
result = acpi_thermal_set_polling(tz, seconds);
if (result)
- return_VALUE(result);
+ return result;
acpi_thermal_check(tz);
- return_VALUE(count);
+ return count;
}
static int acpi_thermal_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_add_fs");
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_thermal_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
@@ -1128,9 +1102,7 @@
entry = create_proc_entry(ACPI_THERMAL_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_THERMAL_FILE_STATE));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_thermal_state_fops;
entry->data = acpi_driver_data(device);
@@ -1141,9 +1113,7 @@
entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_THERMAL_FILE_TEMPERATURE));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_thermal_temp_fops;
entry->data = acpi_driver_data(device);
@@ -1155,9 +1125,7 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_THERMAL_FILE_TRIP_POINTS));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_thermal_trip_fops;
entry->data = acpi_driver_data(device);
@@ -1169,9 +1137,7 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_THERMAL_FILE_COOLING_MODE));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_thermal_cooling_fops;
entry->data = acpi_driver_data(device);
@@ -1183,21 +1149,18 @@
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create '%s' fs entry\n",
- ACPI_THERMAL_FILE_POLLING_FREQ));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_thermal_polling_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_remove_fs(struct acpi_device *device)
{
- ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs");
if (acpi_device_dir(device)) {
remove_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ,
@@ -1214,7 +1177,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -1226,13 +1189,12 @@
struct acpi_thermal *tz = (struct acpi_thermal *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_notify");
if (!tz)
- return_VOID;
+ return;
if (acpi_bus_get_device(tz->handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
@@ -1254,27 +1216,26 @@
break;
}
- return_VOID;
+ return;
}
static int acpi_thermal_get_info(struct acpi_thermal *tz)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_get_info");
if (!tz)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Get temperature [_TMP] (required) */
result = acpi_thermal_get_temperature(tz);
if (result)
- return_VALUE(result);
+ return result;
/* Get trip points [_CRT, _PSV, etc.] (required) */
result = acpi_thermal_get_trip_points(tz);
if (result)
- return_VALUE(result);
+ return result;
/* Set the cooling mode [_SCP] to active cooling (default) */
result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
@@ -1314,7 +1275,7 @@
if (!result)
tz->flags.devices = 1;
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_add(struct acpi_device *device)
@@ -1323,14 +1284,13 @@
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
if (!tz)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(tz, 0, sizeof(struct acpi_thermal));
tz->handle = device->handle;
@@ -1355,8 +1315,6 @@
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify, tz);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error installing notify handler\n"));
result = -ENODEV;
goto end;
}
@@ -1371,7 +1329,7 @@
kfree(tz);
}
- return_VALUE(result);
+ return result;
}
static int acpi_thermal_remove(struct acpi_device *device, int type)
@@ -1379,10 +1337,9 @@
acpi_status status = AE_OK;
struct acpi_thermal *tz = NULL;
- ACPI_FUNCTION_TRACE("acpi_thermal_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
tz = (struct acpi_thermal *)acpi_driver_data(device);
@@ -1398,9 +1355,6 @@
status = acpi_remove_notify_handler(tz->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
/* Terminate policy */
if (tz->trips.passive.flags.valid && tz->trips.passive.flags.enabled) {
@@ -1416,7 +1370,7 @@
acpi_thermal_remove_fs(device);
kfree(tz);
- return_VALUE(0);
+ return 0;
}
static int acpi_thermal_resume(struct acpi_device *device, int state)
@@ -1424,7 +1378,7 @@
struct acpi_thermal *tz = NULL;
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
tz = (struct acpi_thermal *)acpi_driver_data(device);
@@ -1437,31 +1391,29 @@
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_thermal_init");
acpi_thermal_dir = proc_mkdir(ACPI_THERMAL_CLASS, acpi_root_dir);
if (!acpi_thermal_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_thermal_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_thermal_driver);
if (result < 0) {
remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_thermal_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_thermal_exit");
acpi_bus_unregister_driver(&acpi_thermal_driver);
remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_thermal_init);
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 67b9f32..38ebe1c 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -155,21 +155,30 @@
case ACPI_TYPE_MUTEX:
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
- "***** Mutex %p, Semaphore %p\n",
- object, object->mutex.semaphore));
+ "***** Mutex %p, OS Mutex %p\n",
+ object, object->mutex.os_mutex));
- acpi_ex_unlink_mutex(object);
- (void)acpi_os_delete_semaphore(object->mutex.semaphore);
+ if (object->mutex.os_mutex != ACPI_GLOBAL_LOCK) {
+ acpi_ex_unlink_mutex(object);
+ acpi_os_delete_mutex(object->mutex.os_mutex);
+ } else {
+ /* Global Lock "mutex" is actually a counting semaphore */
+
+ (void)
+ acpi_os_delete_semaphore
+ (acpi_gbl_global_lock_semaphore);
+ acpi_gbl_global_lock_semaphore = NULL;
+ }
break;
case ACPI_TYPE_EVENT:
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
- "***** Event %p, Semaphore %p\n",
- object, object->event.semaphore));
+ "***** Event %p, OS Semaphore %p\n",
+ object, object->event.os_semaphore));
- (void)acpi_os_delete_semaphore(object->event.semaphore);
- object->event.semaphore = NULL;
+ (void)acpi_os_delete_semaphore(object->event.os_semaphore);
+ object->event.os_semaphore = NULL;
break;
case ACPI_TYPE_METHOD:
@@ -177,12 +186,13 @@
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
"***** Method %p\n", object));
- /* Delete the method semaphore if it exists */
+ /* Delete the method mutex if it exists */
- if (object->method.semaphore) {
- (void)acpi_os_delete_semaphore(object->method.
- semaphore);
- object->method.semaphore = NULL;
+ if (object->method.mutex) {
+ acpi_os_delete_mutex(object->method.mutex->mutex.
+ os_mutex);
+ acpi_ut_delete_object_desc(object->method.mutex);
+ object->method.mutex = NULL;
}
break;
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index e5999c6..014030a 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -794,6 +794,7 @@
/* Global Lock support */
+ acpi_gbl_global_lock_semaphore = NULL;
acpi_gbl_global_lock_acquired = FALSE;
acpi_gbl_global_lock_thread_count = 0;
acpi_gbl_global_lock_handle = 0;
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 5c75d35..3326831 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -41,6 +41,8 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
+#include <linux/module.h>
+
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
@@ -962,6 +964,7 @@
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
}
+EXPORT_SYMBOL(acpi_ut_exception);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index 25eb343..dfc8f30 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -82,12 +82,9 @@
/* Create the spinlocks for use at interrupt level */
- status = acpi_os_create_lock(&acpi_gbl_gpe_lock);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
+ spin_lock_init(acpi_gbl_gpe_lock);
+ spin_lock_init(acpi_gbl_hardware_lock);
- status = acpi_os_create_lock(&acpi_gbl_hardware_lock);
return_ACPI_STATUS(status);
}
@@ -146,9 +143,8 @@
}
if (!acpi_gbl_mutex_info[mutex_id].mutex) {
- status = acpi_os_create_semaphore(1, 1,
- &acpi_gbl_mutex_info
- [mutex_id].mutex);
+ status =
+ acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex);
acpi_gbl_mutex_info[mutex_id].thread_id =
ACPI_MUTEX_NOT_ACQUIRED;
acpi_gbl_mutex_info[mutex_id].use_count = 0;
@@ -171,7 +167,6 @@
static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status;
ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
@@ -179,12 +174,12 @@
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_os_delete_semaphore(acpi_gbl_mutex_info[mutex_id].mutex);
+ acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
acpi_gbl_mutex_info[mutex_id].mutex = NULL;
acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
@@ -251,8 +246,8 @@
"Thread %X attempting to acquire Mutex [%s]\n",
this_thread_id, acpi_ut_get_mutex_name(mutex_id)));
- status = acpi_os_wait_semaphore(acpi_gbl_mutex_info[mutex_id].mutex,
- 1, ACPI_WAIT_FOREVER);
+ status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex,
+ ACPI_WAIT_FOREVER);
if (ACPI_SUCCESS(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
"Thread %X acquired Mutex [%s]\n",
@@ -284,7 +279,6 @@
acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status;
acpi_thread_id this_thread_id;
ACPI_FUNCTION_NAME(ut_release_mutex);
@@ -340,19 +334,6 @@
acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
- status =
- acpi_os_signal_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "Thread %X could not release Mutex [%X]",
- this_thread_id, mutex_id));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
- "Thread %X released Mutex [%s]\n",
- this_thread_id,
- acpi_ut_get_mutex_name(mutex_id)));
- }
-
- return (status);
+ acpi_os_release_mutex(acpi_gbl_mutex_info[mutex_id].mutex);
+ return (AE_OK);
}
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6b51685..1930e1a 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -58,31 +58,29 @@
u8 *head = NULL;
u8 *tail = NULL;
- ACPI_FUNCTION_TRACE("acpi_extract_package");
if (!package || (package->type != ACPI_TYPE_PACKAGE)
|| (package->package.count < 1)) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid 'package' argument\n"));
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ printk(KERN_WARNING PREFIX "Invalid package argument\n");
+ return AE_BAD_PARAMETER;
}
if (!format || !format->pointer || (format->length < 1)) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid 'format' argument\n"));
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ printk(KERN_WARNING PREFIX "Invalid format argument\n");
+ return AE_BAD_PARAMETER;
}
if (!buffer) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid 'buffer' argument\n"));
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ printk(KERN_WARNING PREFIX "Invalid buffer argument\n");
+ return AE_BAD_PARAMETER;
}
format_count = (format->length / sizeof(char)) - 1;
if (format_count > package->package.count) {
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Format specifies more objects [%d] than exist in package [%d].",
- format_count, package->package.count));
- return_ACPI_STATUS(AE_BAD_DATA);
+ printk(KERN_WARNING PREFIX "Format specifies more objects [%d]"
+ " than exist in package [%d].\n",
+ format_count, package->package.count);
+ return AE_BAD_DATA;
}
format_string = (char *)format->pointer;
@@ -95,7 +93,7 @@
union acpi_object *element = &(package->package.elements[i]);
if (!element) {
- return_ACPI_STATUS(AE_BAD_DATA);
+ return AE_BAD_DATA;
}
switch (element->type) {
@@ -113,10 +111,11 @@
tail_offset += sizeof(char *);
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid package element [%d]: got number, expecing [%c].\n",
- i, format_string[i]));
- return_ACPI_STATUS(AE_BAD_DATA);
+ printk(KERN_WARNING PREFIX "Invalid package element"
+ " [%d]: got number, expecing"
+ " [%c]\n",
+ i, format_string[i]);
+ return AE_BAD_DATA;
break;
}
break;
@@ -138,10 +137,11 @@
tail_offset += sizeof(u8 *);
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_WARN,
- "Invalid package element [%d] got string/buffer, expecing [%c].\n",
- i, format_string[i]));
- return_ACPI_STATUS(AE_BAD_DATA);
+ printk(KERN_WARNING PREFIX "Invalid package element"
+ " [%d] got string/buffer,"
+ " expecing [%c]\n",
+ i, format_string[i]);
+ return AE_BAD_DATA;
break;
}
break;
@@ -152,7 +152,7 @@
"Found unsupported element at index=%d\n",
i));
/* TBD: handle nested packages... */
- return_ACPI_STATUS(AE_SUPPORT);
+ return AE_SUPPORT;
break;
}
}
@@ -162,9 +162,9 @@
*/
if (buffer->length < size_required) {
buffer->length = size_required;
- return_ACPI_STATUS(AE_BUFFER_OVERFLOW);
+ return AE_BUFFER_OVERFLOW;
} else if (buffer->length != size_required || !buffer->pointer) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
}
head = buffer->pointer;
@@ -179,7 +179,7 @@
union acpi_object *element = &(package->package.elements[i]);
if (!element) {
- return_ACPI_STATUS(AE_BAD_DATA);
+ return AE_BAD_DATA;
}
switch (element->type) {
@@ -244,7 +244,7 @@
}
}
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_extract_package);
@@ -258,14 +258,13 @@
union acpi_object *element;
struct acpi_buffer buffer = { 0, NULL };
- ACPI_FUNCTION_TRACE("acpi_evaluate_integer");
if (!data)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
element = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!element)
- return_ACPI_STATUS(AE_NO_MEMORY);
+ return AE_NO_MEMORY;
memset(element, 0, sizeof(union acpi_object));
buffer.length = sizeof(union acpi_object);
@@ -274,13 +273,13 @@
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
kfree(element);
- return_ACPI_STATUS(status);
+ return status;
}
if (element->type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
kfree(element);
- return_ACPI_STATUS(AE_BAD_DATA);
+ return AE_BAD_DATA;
}
*data = element->integer.value;
@@ -288,7 +287,7 @@
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data));
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_evaluate_integer);
@@ -303,15 +302,14 @@
acpi_object *element = NULL;
acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- ACPI_FUNCTION_TRACE("acpi_evaluate_string");
if (!data)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
- return_ACPI_STATUS(status);
+ return status;
}
element = (acpi_object *) buffer.pointer;
@@ -320,13 +318,13 @@
|| (element->type != ACPI_TYPE_BUFFER)
|| !element->string.length) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
- return_ACPI_STATUS(AE_BAD_DATA);
+ return AE_BAD_DATA;
}
*data = kmalloc(element->string.length + 1, GFP_KERNEL);
if (!data) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Memory allocation error\n"));
- return_VALUE(-ENOMEM);
+ printk(KERN_ERR PREFIX "Memory allocation\n");
+ return -ENOMEM;
}
memset(*data, 0, element->string.length + 1);
@@ -336,7 +334,7 @@
acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
#endif
@@ -352,10 +350,9 @@
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
u32 i = 0;
- ACPI_FUNCTION_TRACE("acpi_evaluate_reference");
if (!list) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
}
/* Evaluate object. */
@@ -367,32 +364,29 @@
package = (union acpi_object *)buffer.pointer;
if ((buffer.length == 0) || !package) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "No return object (len %X ptr %p)\n",
- (unsigned)buffer.length, package));
+ printk(KERN_ERR PREFIX "No return object (len %X ptr %p)\n",
+ (unsigned)buffer.length, package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->type != ACPI_TYPE_PACKAGE) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Expecting a [Package], found type %X\n",
- package->type));
+ printk(KERN_ERR PREFIX "Expecting a [Package], found type %X\n",
+ package->type);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (!package->package.count) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "[Package] has zero elements (%p)\n",
- package));
+ printk(KERN_ERR PREFIX "[Package] has zero elements (%p)\n",
+ package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->package.count > ACPI_MAX_HANDLES) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ return AE_NO_MEMORY;
}
list->count = package->package.count;
@@ -404,9 +398,9 @@
if (element->type != ACPI_TYPE_ANY) {
status = AE_BAD_DATA;
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Expecting a [Reference] package element, found type %X\n",
- element->type));
+ printk(KERN_ERR PREFIX
+ "Expecting a [Reference] package element, found type %X\n",
+ element->type);
acpi_util_eval_error(handle, pathname, status);
break;
}
@@ -426,7 +420,7 @@
acpi_os_free(buffer.pointer);
- return_ACPI_STATUS(status);
+ return status;
}
EXPORT_SYMBOL(acpi_evaluate_reference);
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e7e9a693..9feb633 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -272,10 +272,9 @@
acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
{
int status;
- ACPI_FUNCTION_TRACE("acpi_video_device_query");
status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state);
- return_VALUE(status);
+ return status;
}
static int
@@ -284,11 +283,10 @@
{
int status;
- ACPI_FUNCTION_TRACE("acpi_video_device_get_state");
status = acpi_evaluate_integer(device->handle, "_DCS", NULL, state);
- return_VALUE(status);
+ return status;
}
static int
@@ -299,12 +297,11 @@
struct acpi_object_list args = { 1, &arg0 };
unsigned long ret;
- ACPI_FUNCTION_TRACE("acpi_video_device_set_state");
arg0.integer.value = state;
status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret);
- return_VALUE(status);
+ return status;
}
static int
@@ -315,28 +312,27 @@
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
- ACPI_FUNCTION_TRACE("acpi_video_device_lcd_query_levels");
*levels = NULL;
status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer);
if (!ACPI_SUCCESS(status))
- return_VALUE(status);
+ return status;
obj = (union acpi_object *)buffer.pointer;
if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n"));
+ printk(KERN_ERR PREFIX "Invalid _BCL data\n");
status = -EFAULT;
goto err;
}
*levels = obj;
- return_VALUE(0);
+ return 0;
err:
kfree(buffer.pointer);
- return_VALUE(status);
+ return status;
}
static int
@@ -346,13 +342,12 @@
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
- ACPI_FUNCTION_TRACE("acpi_video_device_lcd_set_level");
arg0.integer.value = level;
status = acpi_evaluate_object(device->handle, "_BCM", &args, NULL);
printk(KERN_DEBUG "set_level status: %x\n", status);
- return_VALUE(status);
+ return status;
}
static int
@@ -360,11 +355,10 @@
unsigned long *level)
{
int status;
- ACPI_FUNCTION_TRACE("acpi_video_device_lcd_get_level_current");
status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level);
- return_VALUE(status);
+ return status;
}
static int
@@ -377,34 +371,33 @@
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
- ACPI_FUNCTION_TRACE("acpi_video_device_get_EDID");
*edid = NULL;
if (!device)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (length == 128)
arg0.integer.value = 1;
else if (length == 256)
arg0.integer.value = 2;
else
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_evaluate_object(device->handle, "_DDC", &args, &buffer);
if (ACPI_FAILURE(status))
- return_VALUE(-ENODEV);
+ return -ENODEV;
obj = (union acpi_object *)buffer.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER)
*edid = obj;
else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DDC data\n"));
+ printk(KERN_ERR PREFIX "Invalid _DDC data\n");
status = -EFAULT;
kfree(obj);
}
- return_VALUE(status);
+ return status;
}
/* bus */
@@ -417,7 +410,6 @@
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
- ACPI_FUNCTION_TRACE("acpi_video_bus_set_POST");
arg0.integer.value = option;
@@ -425,7 +417,7 @@
if (ACPI_SUCCESS(status))
status = tmp ? (-EINVAL) : (AE_OK);
- return_VALUE(status);
+ return status;
}
static int
@@ -433,11 +425,10 @@
{
int status;
- ACPI_FUNCTION_TRACE("acpi_video_bus_get_POST");
status = acpi_evaluate_integer(video->handle, "_GPD", NULL, id);
- return_VALUE(status);
+ return status;
}
static int
@@ -445,12 +436,11 @@
unsigned long *options)
{
int status;
- ACPI_FUNCTION_TRACE("acpi_video_bus_POST_options");
status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options);
*options &= 3;
- return_VALUE(status);
+ return status;
}
/*
@@ -481,7 +471,6 @@
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
- ACPI_FUNCTION_TRACE("acpi_video_bus_DOS");
if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) {
status = -1;
@@ -492,7 +481,7 @@
acpi_evaluate_object(video->handle, "_DOS", &args, NULL);
Failed:
- return_VALUE(status);
+ return status;
}
/*
@@ -514,7 +503,6 @@
union acpi_object *obj = NULL;
struct acpi_video_device_brightness *br = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_device_find_cap");
memset(&device->cap, 0, 4);
@@ -560,8 +548,7 @@
o = (union acpi_object *)&obj->package.
elements[i];
if (o->type != ACPI_TYPE_INTEGER) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid data\n"));
+ printk(KERN_ERR PREFIX "Invalid data\n");
continue;
}
br->levels[count] = (u32) o->integer.value;
@@ -583,7 +570,7 @@
kfree(obj);
- return_VOID;
+ return;
}
/*
@@ -630,10 +617,9 @@
{
acpi_status status = -ENOENT;
- ACPI_FUNCTION_TRACE("acpi_video_bus_check");
if (!video)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Since there is no HID, CID and so on for VGA driver, we have
* to check well known required nodes.
@@ -657,7 +643,7 @@
status = 0;
}
- return_VALUE(status);
+ return status;
}
/* --------------------------------------------------------------------------
@@ -673,7 +659,6 @@
struct acpi_video_device *dev =
(struct acpi_video_device *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_video_device_info_seq_show");
if (!dev)
goto end;
@@ -692,7 +677,7 @@
seq_printf(seq, "known by bios: %s\n", dev->flags.bios ? "yes" : "no");
end:
- return_VALUE(0);
+ return 0;
}
static int
@@ -709,7 +694,6 @@
(struct acpi_video_device *)seq->private;
unsigned long state;
- ACPI_FUNCTION_TRACE("acpi_video_device_state_seq_show");
if (!dev)
goto end;
@@ -729,7 +713,7 @@
seq_printf(seq, "<not supported>\n");
end:
- return_VALUE(0);
+ return 0;
}
static int
@@ -750,13 +734,12 @@
char str[12] = { 0 };
u32 state = 0;
- ACPI_FUNCTION_TRACE("acpi_video_device_write_state");
if (!dev || count + 1 > sizeof str)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(str, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
str[count] = 0;
state = simple_strtoul(str, NULL, 0);
@@ -765,9 +748,9 @@
status = acpi_video_device_set_state(dev, state);
if (status)
- return_VALUE(-EFAULT);
+ return -EFAULT;
- return_VALUE(count);
+ return count;
}
static int
@@ -777,11 +760,10 @@
(struct acpi_video_device *)seq->private;
int i;
- ACPI_FUNCTION_TRACE("acpi_video_device_brightness_seq_show");
if (!dev || !dev->brightness) {
seq_printf(seq, "<not supported>\n");
- return_VALUE(0);
+ return 0;
}
seq_printf(seq, "levels: ");
@@ -789,7 +771,7 @@
seq_printf(seq, " %d", dev->brightness->levels[i]);
seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr);
- return_VALUE(0);
+ return 0;
}
static int
@@ -810,19 +792,18 @@
unsigned int level = 0;
int i;
- ACPI_FUNCTION_TRACE("acpi_video_device_write_brightness");
if (!dev || !dev->brightness || count + 1 > sizeof str)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(str, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
str[count] = 0;
level = simple_strtoul(str, NULL, 0);
if (level > 100)
- return_VALUE(-EFAULT);
+ return -EFAULT;
/* validate though the list of available levels */
for (i = 0; i < dev->brightness->count; i++)
@@ -833,7 +814,7 @@
break;
}
- return_VALUE(count);
+ return count;
}
static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset)
@@ -844,7 +825,6 @@
int i;
union acpi_object *edid = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_device_EDID_seq_show");
if (!dev)
goto out;
@@ -869,7 +849,7 @@
else
kfree(edid);
- return_VALUE(0);
+ return 0;
}
static int
@@ -884,28 +864,26 @@
struct proc_dir_entry *entry = NULL;
struct acpi_video_device *vid_dev;
- ACPI_FUNCTION_TRACE("acpi_video_device_add_fs");
if (!device)
- return_VALUE(-ENODEV);
+ return -ENODEV;
vid_dev = (struct acpi_video_device *)acpi_driver_data(device);
if (!vid_dev)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (!acpi_device_dir(device)) {
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
vid_dev->video->dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_device_dir(device)->owner = THIS_MODULE;
}
/* 'info' [R] */
entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'info' fs entry\n"));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_video_device_info_fops;
entry->data = acpi_driver_data(device);
@@ -917,8 +895,7 @@
create_proc_entry("state", S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'state' fs entry\n"));
+ return -ENODEV;
else {
acpi_video_device_state_fops.write = acpi_video_device_write_state;
entry->proc_fops = &acpi_video_device_state_fops;
@@ -931,8 +908,7 @@
create_proc_entry("brightness", S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'brightness' fs entry\n"));
+ return -ENODEV;
else {
acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness;
entry->proc_fops = &acpi_video_device_brightness_fops;
@@ -943,25 +919,23 @@
/* 'EDID' [R] */
entry = create_proc_entry("EDID", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'brightness' fs entry\n"));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_video_device_EDID_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_video_device_remove_fs(struct acpi_device *device)
{
struct acpi_video_device *vid_dev;
- ACPI_FUNCTION_TRACE("acpi_video_device_remove_fs");
vid_dev = (struct acpi_video_device *)acpi_driver_data(device);
if (!vid_dev || !vid_dev->video || !vid_dev->video->dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
if (acpi_device_dir(device)) {
remove_proc_entry("info", acpi_device_dir(device));
@@ -972,7 +946,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* video bus */
@@ -980,7 +954,6 @@
{
struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_video_bus_info_seq_show");
if (!video)
goto end;
@@ -993,7 +966,7 @@
video->flags.post ? "yes" : "no");
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file)
@@ -1006,7 +979,6 @@
{
struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_video_bus_ROM_seq_show");
if (!video)
goto end;
@@ -1015,7 +987,7 @@
seq_printf(seq, "<TODO>\n");
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file)
@@ -1029,7 +1001,6 @@
unsigned long options;
int status;
- ACPI_FUNCTION_TRACE("acpi_video_bus_POST_info_seq_show");
if (!video)
goto end;
@@ -1052,7 +1023,7 @@
} else
seq_printf(seq, "<not supported>\n");
end:
- return_VALUE(0);
+ return 0;
}
static int
@@ -1068,7 +1039,6 @@
int status;
unsigned long id;
- ACPI_FUNCTION_TRACE("acpi_video_bus_POST_seq_show");
if (!video)
goto end;
@@ -1081,18 +1051,17 @@
seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]);
end:
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_DOS_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private;
- ACPI_FUNCTION_TRACE("acpi_video_bus_DOS_seq_show");
seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting);
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file)
@@ -1117,22 +1086,21 @@
char str[12] = { 0 };
unsigned long opt, options;
- ACPI_FUNCTION_TRACE("acpi_video_bus_write_POST");
if (!video || count + 1 > sizeof str)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status = acpi_video_bus_POST_options(video, &options);
if (!ACPI_SUCCESS(status))
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(str, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
str[count] = 0;
opt = strtoul(str, NULL, 0);
if (opt > 3)
- return_VALUE(-EFAULT);
+ return -EFAULT;
/* just in case an OEM 'forget' the motherboard... */
options |= 1;
@@ -1140,11 +1108,11 @@
if (options & (1ul << opt)) {
status = acpi_video_bus_set_POST(video, opt);
if (!ACPI_SUCCESS(status))
- return_VALUE(-EFAULT);
+ return -EFAULT;
}
- return_VALUE(count);
+ return count;
}
static ssize_t
@@ -1158,25 +1126,24 @@
char str[12] = { 0 };
unsigned long opt;
- ACPI_FUNCTION_TRACE("acpi_video_bus_write_DOS");
if (!video || count + 1 > sizeof str)
- return_VALUE(-EINVAL);
+ return -EINVAL;
if (copy_from_user(str, buffer, count))
- return_VALUE(-EFAULT);
+ return -EFAULT;
str[count] = 0;
opt = strtoul(str, NULL, 0);
if (opt > 7)
- return_VALUE(-EFAULT);
+ return -EFAULT;
status = acpi_video_bus_DOS(video, opt & 0x3, (opt & 0x4) >> 2);
if (!ACPI_SUCCESS(status))
- return_VALUE(-EFAULT);
+ return -EFAULT;
- return_VALUE(count);
+ return count;
}
static int acpi_video_bus_add_fs(struct acpi_device *device)
@@ -1184,7 +1151,6 @@
struct proc_dir_entry *entry = NULL;
struct acpi_video_bus *video;
- ACPI_FUNCTION_TRACE("acpi_video_bus_add_fs");
video = (struct acpi_video_bus *)acpi_driver_data(device);
@@ -1192,7 +1158,7 @@
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
acpi_video_dir);
if (!acpi_device_dir(device))
- return_VALUE(-ENODEV);
+ return -ENODEV;
video->dir = acpi_device_dir(device);
acpi_device_dir(device)->owner = THIS_MODULE;
}
@@ -1200,8 +1166,7 @@
/* 'info' [R] */
entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'info' fs entry\n"));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_video_bus_info_fops;
entry->data = acpi_driver_data(device);
@@ -1211,8 +1176,7 @@
/* 'ROM' [R] */
entry = create_proc_entry("ROM", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'ROM' fs entry\n"));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_video_bus_ROM_fops;
entry->data = acpi_driver_data(device);
@@ -1223,8 +1187,7 @@
entry =
create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'POST_info' fs entry\n"));
+ return -ENODEV;
else {
entry->proc_fops = &acpi_video_bus_POST_info_fops;
entry->data = acpi_driver_data(device);
@@ -1236,8 +1199,7 @@
create_proc_entry("POST", S_IFREG | S_IRUGO | S_IRUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'POST' fs entry\n"));
+ return -ENODEV;
else {
acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST;
entry->proc_fops = &acpi_video_bus_POST_fops;
@@ -1250,8 +1212,7 @@
create_proc_entry("DOS", S_IFREG | S_IRUGO | S_IRUSR,
acpi_device_dir(device));
if (!entry)
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Unable to create 'DOS' fs entry\n"));
+ return -ENODEV;
else {
acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS;
entry->proc_fops = &acpi_video_bus_DOS_fops;
@@ -1259,14 +1220,13 @@
entry->owner = THIS_MODULE;
}
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_remove_fs(struct acpi_device *device)
{
struct acpi_video_bus *video;
- ACPI_FUNCTION_TRACE("acpi_video_bus_remove_fs");
video = (struct acpi_video_bus *)acpi_driver_data(device);
@@ -1280,7 +1240,7 @@
acpi_device_dir(device) = NULL;
}
- return_VALUE(0);
+ return 0;
}
/* --------------------------------------------------------------------------
@@ -1297,10 +1257,9 @@
int status;
struct acpi_video_device *data;
- ACPI_FUNCTION_TRACE("acpi_video_bus_get_one_device");
if (!device || !video)
- return_VALUE(-EINVAL);
+ return -EINVAL;
status =
acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
@@ -1308,7 +1267,7 @@
data = kmalloc(sizeof(struct acpi_video_device), GFP_KERNEL);
if (!data)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(data, 0, sizeof(struct acpi_video_device));
@@ -1359,10 +1318,10 @@
acpi_video_device_add_fs(device);
- return_VALUE(0);
+ return 0;
}
- return_VALUE(-ENOENT);
+ return -ENOENT;
}
/*
@@ -1405,7 +1364,6 @@
struct acpi_video_device *device)
{
int i;
- ACPI_FUNCTION_TRACE("acpi_video_device_bind");
#define IDS_VAL(i) video->attached_array[i].value.int_val
#define IDS_BIND(i) video->attached_array[i].bind_info
@@ -1442,17 +1400,16 @@
union acpi_object *dod = NULL;
union acpi_object *obj;
- ACPI_FUNCTION_TRACE("acpi_video_device_enumerate");
status = acpi_evaluate_object(video->handle, "_DOD", NULL, &buffer);
if (!ACPI_SUCCESS(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _DOD\n"));
- return_VALUE(status);
+ ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD"));
+ return status;
}
dod = (union acpi_object *)buffer.pointer;
if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DOD data\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Invalid _DOD data"));
status = -EFAULT;
goto out;
}
@@ -1476,8 +1433,7 @@
obj = (union acpi_object *)&dod->package.elements[i];
if (obj->type != ACPI_TYPE_INTEGER) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Invalid _DOD data\n"));
+ printk(KERN_ERR PREFIX "Invalid _DOD data\n");
active_device_list[i].value.int_val =
ACPI_VIDEO_HEAD_INVALID;
}
@@ -1495,7 +1451,7 @@
video->attached_count = count;
out:
acpi_os_free(buffer.pointer);
- return_VALUE(status);
+ return status;
}
/*
@@ -1520,7 +1476,6 @@
unsigned long state;
int status = 0;
- ACPI_FUNCTION_TRACE("acpi_video_switch_output");
list_for_each_safe(node, next, &video->video_device_list) {
dev = container_of(node, struct acpi_video_device, entry);
@@ -1551,7 +1506,7 @@
break;
}
- return_VALUE(status);
+ return status;
}
static int
@@ -1578,7 +1533,6 @@
int status = 0;
struct list_head *node, *next;
- ACPI_FUNCTION_TRACE("acpi_video_get_devices");
acpi_video_device_enumerate(video);
@@ -1591,13 +1545,12 @@
status = acpi_video_bus_get_one_device(dev, video);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Cant attach device\n"));
+ ACPI_EXCEPTION((AE_INFO, status, "Cant attach device"));
continue;
}
}
- return_VALUE(status);
+ return status;
}
static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
@@ -1605,10 +1558,9 @@
acpi_status status;
struct acpi_video_bus *video;
- ACPI_FUNCTION_TRACE("acpi_video_bus_put_one_device");
if (!device || !device->video)
- return_VALUE(-ENOENT);
+ return -ENOENT;
video = device->video;
@@ -1620,11 +1572,8 @@
status = acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
- return_VALUE(0);
+ return 0;
}
static int acpi_video_bus_put_devices(struct acpi_video_bus *video)
@@ -1632,7 +1581,6 @@
int status;
struct list_head *node, *next;
- ACPI_FUNCTION_TRACE("acpi_video_bus_put_devices");
list_for_each_safe(node, next, &video->video_device_list) {
struct acpi_video_device *data =
@@ -1651,7 +1599,7 @@
kfree(data);
}
- return_VALUE(0);
+ return 0;
}
/* acpi_video interface */
@@ -1671,14 +1619,13 @@
struct acpi_video_bus *video = (struct acpi_video_bus *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_bus_notify");
printk("video bus notify\n");
if (!video)
- return_VOID;
+ return;
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur,
@@ -1707,7 +1654,7 @@
break;
}
- return_VOID;
+ return;
}
static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
@@ -1716,14 +1663,13 @@
(struct acpi_video_device *)data;
struct acpi_device *device = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_device_notify");
printk("video device notify\n");
if (!video_device)
- return_VOID;
+ return;
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
switch (event) {
case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */
@@ -1743,7 +1689,7 @@
"Unsupported event [0x%x]\n", event));
break;
}
- return_VOID;
+ return;
}
static int acpi_video_bus_add(struct acpi_device *device)
@@ -1752,14 +1698,13 @@
acpi_status status = 0;
struct acpi_video_bus *video = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_bus_add");
if (!device)
- return_VALUE(-EINVAL);
+ return -EINVAL;
video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);
if (!video)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
memset(video, 0, sizeof(struct acpi_video_bus));
video->handle = device->handle;
@@ -1806,7 +1751,7 @@
if (result)
kfree(video);
- return_VALUE(result);
+ return result;
}
static int acpi_video_bus_remove(struct acpi_device *device, int type)
@@ -1814,10 +1759,9 @@
acpi_status status = 0;
struct acpi_video_bus *video = NULL;
- ACPI_FUNCTION_TRACE("acpi_video_bus_remove");
if (!device || !acpi_driver_data(device))
- return_VALUE(-EINVAL);
+ return -EINVAL;
video = (struct acpi_video_bus *)acpi_driver_data(device);
@@ -1826,9 +1770,6 @@
status = acpi_remove_notify_handler(video->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify);
- if (ACPI_FAILURE(status))
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Error removing notify handler\n"));
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);
@@ -1836,7 +1777,7 @@
kfree(video->attached_array);
kfree(video);
- return_VALUE(0);
+ return 0;
}
static int
@@ -1846,10 +1787,9 @@
acpi_handle h_dummy2;
acpi_handle h_dummy3;
- ACPI_FUNCTION_TRACE("acpi_video_bus_match");
if (!device || !driver)
- return_VALUE(-EINVAL);
+ return -EINVAL;
/* Since there is no HID, CID for ACPI Video drivers, we have
* to check well known required nodes for each feature we support.
@@ -1858,26 +1798,25 @@
/* Does this device able to support video switching ? */
if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) &&
ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2)))
- return_VALUE(0);
+ return 0;
/* Does this device able to retrieve a video ROM ? */
if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1)))
- return_VALUE(0);
+ return 0;
/* Does this device able to configure which video head to be POSTed ? */
if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) &&
ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) &&
ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3)))
- return_VALUE(0);
+ return 0;
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int __init acpi_video_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_video_init");
/*
acpi_dbg_level = 0xFFFFFFFF;
@@ -1886,27 +1825,26 @@
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
- return_VALUE(-ENODEV);
+ return -ENODEV;
acpi_video_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_video_bus);
if (result < 0) {
remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir);
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_video_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_video_exit");
acpi_bus_unregister_driver(&acpi_video_bus);
remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir);
- return_VOID;
+ return;
}
module_init(acpi_video_init);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index eae2bdc..d7de1753 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -40,24 +40,13 @@
int n;
int nid = dev->id;
struct sysinfo i;
- struct page_state ps;
unsigned long inactive;
unsigned long active;
unsigned long free;
si_meminfo_node(&i, nid);
- get_page_state_node(&ps, nid);
__get_zone_counts(&active, &inactive, &free, NODE_DATA(nid));
- /* Check for negative values in these approximate counters */
- if ((long)ps.nr_dirty < 0)
- ps.nr_dirty = 0;
- if ((long)ps.nr_writeback < 0)
- ps.nr_writeback = 0;
- if ((long)ps.nr_mapped < 0)
- ps.nr_mapped = 0;
- if ((long)ps.nr_slab < 0)
- ps.nr_slab = 0;
n = sprintf(buf, "\n"
"Node %d MemTotal: %8lu kB\n"
@@ -71,7 +60,12 @@
"Node %d LowFree: %8lu kB\n"
"Node %d Dirty: %8lu kB\n"
"Node %d Writeback: %8lu kB\n"
+ "Node %d FilePages: %8lu kB\n"
"Node %d Mapped: %8lu kB\n"
+ "Node %d AnonPages: %8lu kB\n"
+ "Node %d PageTables: %8lu kB\n"
+ "Node %d NFS Unstable: %8lu kB\n"
+ "Node %d Bounce: %8lu kB\n"
"Node %d Slab: %8lu kB\n",
nid, K(i.totalram),
nid, K(i.freeram),
@@ -82,10 +76,15 @@
nid, K(i.freehigh),
nid, K(i.totalram - i.totalhigh),
nid, K(i.freeram - i.freehigh),
- nid, K(ps.nr_dirty),
- nid, K(ps.nr_writeback),
- nid, K(ps.nr_mapped),
- nid, K(ps.nr_slab));
+ nid, K(node_page_state(nid, NR_FILE_DIRTY)),
+ nid, K(node_page_state(nid, NR_WRITEBACK)),
+ nid, K(node_page_state(nid, NR_FILE_PAGES)),
+ nid, K(node_page_state(nid, NR_FILE_MAPPED)),
+ nid, K(node_page_state(nid, NR_ANON_PAGES)),
+ nid, K(node_page_state(nid, NR_PAGETABLE)),
+ nid, K(node_page_state(nid, NR_UNSTABLE_NFS)),
+ nid, K(node_page_state(nid, NR_BOUNCE)),
+ nid, K(node_page_state(nid, NR_SLAB)));
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
}
@@ -95,28 +94,6 @@
static ssize_t node_read_numastat(struct sys_device * dev, char * buf)
{
- unsigned long numa_hit, numa_miss, interleave_hit, numa_foreign;
- unsigned long local_node, other_node;
- int i, cpu;
- pg_data_t *pg = NODE_DATA(dev->id);
- numa_hit = 0;
- numa_miss = 0;
- interleave_hit = 0;
- numa_foreign = 0;
- local_node = 0;
- other_node = 0;
- for (i = 0; i < MAX_NR_ZONES; i++) {
- struct zone *z = &pg->node_zones[i];
- for_each_online_cpu(cpu) {
- struct per_cpu_pageset *ps = zone_pcp(z,cpu);
- numa_hit += ps->numa_hit;
- numa_miss += ps->numa_miss;
- numa_foreign += ps->numa_foreign;
- interleave_hit += ps->interleave_hit;
- local_node += ps->local_node;
- other_node += ps->other_node;
- }
- }
return sprintf(buf,
"numa_hit %lu\n"
"numa_miss %lu\n"
@@ -124,12 +101,12 @@
"interleave_hit %lu\n"
"local_node %lu\n"
"other_node %lu\n",
- numa_hit,
- numa_miss,
- numa_foreign,
- interleave_hit,
- local_node,
- other_node);
+ node_page_state(dev->id, NUMA_HIT),
+ node_page_state(dev->id, NUMA_MISS),
+ node_page_state(dev->id, NUMA_FOREIGN),
+ node_page_state(dev->id, NUMA_INTERLEAVE_HIT),
+ node_page_state(dev->id, NUMA_LOCAL),
+ node_page_state(dev->id, NUMA_OTHER));
}
static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
diff --git a/drivers/cdrom/cm206.c b/drivers/cdrom/cm206.c
index 4ee2886..9b05ddd 100644
--- a/drivers/cdrom/cm206.c
+++ b/drivers/cdrom/cm206.c
@@ -914,7 +914,7 @@
cd->dsb = wait_dsb();
}
-uch bcdbin(unsigned char bcd)
+static uch bcdbin(unsigned char bcd)
{ /* stolen from mcd.c! */
return (bcd >> 4) * 10 + (bcd & 0xf);
}
@@ -1532,7 +1532,7 @@
}
}
-static int __cm206_init(void)
+static int __init __cm206_init(void)
{
parse_options();
#if !defined(AUTO_PROBE_MODULE)
@@ -1593,8 +1593,3 @@
#endif /* !MODULE */
MODULE_ALIAS_BLOCKDEV_MAJOR(CM206_CDROM_MAJOR);
-/*
- * Local variables:
- * compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -pipe -fno-strength-reduce -m486 -DMODULE -DMODVERSIONS -include /usr/src/linux/include/linux/modversions.h -c -o cm206.o cm206.c"
- * End:
- */
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index c86a718a..fbce2f0 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -281,7 +281,6 @@
/*****************************************************************************/
-#ifdef MODULE
/*
* Define some string labels for arguments passed from the module
* load line. These allow for easy board definitions, and easy
@@ -380,8 +379,6 @@
module_param_array(board3, charp, NULL, 0);
MODULE_PARM_DESC(board3, "Board 3 config -> name[,ioaddr[,memaddr]");
-#endif
-
/*
* Set up a default memory address table for EISA board probing.
* The default addresses are all bellow 1Mbyte, which has to be the
@@ -642,14 +639,8 @@
* Prototype all functions in this driver!
*/
-#ifdef MODULE
-static void stli_argbrds(void);
static int stli_parsebrd(stlconf_t *confp, char **argp);
-
-static unsigned long stli_atol(char *str);
-#endif
-
-int stli_init(void);
+static int stli_init(void);
static int stli_open(struct tty_struct *tty, struct file *filp);
static void stli_close(struct tty_struct *tty, struct file *filp);
static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count);
@@ -785,8 +776,6 @@
static struct class *istallion_class;
-#ifdef MODULE
-
/*
* Loadable module initialization stuff.
*/
@@ -953,8 +942,6 @@
return(1);
}
-#endif
-
/*****************************************************************************/
static int stli_open(struct tty_struct *tty, struct file *filp)
@@ -4693,7 +4680,7 @@
/*****************************************************************************/
-int __init stli_init(void)
+static int __init stli_init(void)
{
int i;
printk(KERN_INFO "%s: version %s\n", stli_drvtitle, stli_drvversion);
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 1c706cc..c860de6 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -319,9 +319,10 @@
return 0;
undo_platform_dev_add:
- platform_device_put(pdev);
+ platform_device_del(pdev);
undo_platform_dev_alloc:
- kfree(pdev);
+ platform_device_put(pdev);
+
return rc;
}
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index eab5394..31c8a21 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -149,12 +149,7 @@
#define ZERO_DEV(dev) \
memset(&dev->atr_csum,0, \
sizeof(struct cm4000_dev) - \
- /*link*/ sizeof(struct pcmcia_device *) - \
- /*node*/ sizeof(dev_node_t) - \
- /*atr*/ MAX_ATR*sizeof(char) - \
- /*rbuf*/ 512*sizeof(char) - \
- /*sbuf*/ 512*sizeof(char) - \
- /*queue*/ 4*sizeof(wait_queue_head_t))
+ offsetof(struct cm4000_dev, atr_csum))
static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
static struct class *cmm_class;
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c
index 5a280a3..45083e5 100644
--- a/drivers/char/scx200_gpio.c
+++ b/drivers/char/scx200_gpio.c
@@ -126,9 +126,10 @@
undo_chrdev_region:
unregister_chrdev_region(dev, num_pins);
undo_platform_device_add:
- platform_device_put(pdev);
+ platform_device_del(pdev);
undo_malloc:
- kfree(pdev);
+ platform_device_put(pdev);
+
return rc;
}
@@ -136,7 +137,6 @@
{
kfree(scx200_devices);
unregister_chrdev_region(MKDEV(major, 0), num_pins);
- platform_device_put(pdev);
platform_device_unregister(pdev);
/* kfree(pdev); */
}
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index 35599ed..d75864e 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -19,6 +19,9 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define AMD76X_REVISION " Ver: 2.0.0 " __DATE__
+
+
#define amd76x_printk(level, fmt, arg...) \
edac_printk(level, "amd76x", fmt, ##arg)
@@ -101,15 +104,18 @@
static void amd76x_get_error_info(struct mem_ctl_info *mci,
struct amd76x_error_info *info)
{
- pci_read_config_dword(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+ pci_read_config_dword(pdev, AMD76X_ECC_MODE_STATUS,
&info->ecc_mode_status);
if (info->ecc_mode_status & BIT(8))
- pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS,
(u32) BIT(8), (u32) BIT(8));
if (info->ecc_mode_status & BIT(9))
- pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS,
+ pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS,
(u32) BIT(9), (u32) BIT(9));
}
@@ -175,6 +181,38 @@
amd76x_process_error_info(mci, &info, 1);
}
+static void amd76x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
+ enum edac_type edac_mode)
+{
+ struct csrow_info *csrow;
+ u32 mba, mba_base, mba_mask, dms;
+ int index;
+
+ for (index = 0; index < mci->nr_csrows; index++) {
+ csrow = &mci->csrows[index];
+
+ /* find the DRAM Chip Select Base address and mask */
+ pci_read_config_dword(pdev,
+ AMD76X_MEM_BASE_ADDR + (index * 4),
+ &mba);
+
+ if (!(mba & BIT(0)))
+ continue;
+
+ mba_base = mba & 0xff800000UL;
+ mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
+ pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms);
+ csrow->first_page = mba_base >> PAGE_SHIFT;
+ csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
+ csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+ csrow->page_mask = mba_mask >> PAGE_SHIFT;
+ csrow->grain = csrow->nr_pages << PAGE_SHIFT;
+ csrow->mtype = MEM_RDDR;
+ csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN;
+ csrow->edac_mode = edac_mode;
+ }
+}
+
/**
* amd76x_probe1 - Perform set up for detected device
* @pdev; PCI device detected
@@ -186,15 +224,13 @@
*/
static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
{
- int rc = -ENODEV;
- int index;
- struct mem_ctl_info *mci = NULL;
- enum edac_type ems_modes[] = {
+ static const enum edac_type ems_modes[] = {
EDAC_NONE,
EDAC_EC,
EDAC_SECDED,
EDAC_SECDED
};
+ struct mem_ctl_info *mci = NULL;
u32 ems;
u32 ems_mode;
struct amd76x_error_info discard;
@@ -205,53 +241,28 @@
mci = edac_mc_alloc(0, AMD76X_NR_CSROWS, AMD76X_NR_CHANS);
if (mci == NULL) {
- rc = -ENOMEM;
- goto fail;
+ return -ENOMEM;
}
debugf0("%s(): mci = %p\n", __func__, mci);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_RDDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
mci->edac_cap = ems_mode ?
(EDAC_FLAG_EC | EDAC_FLAG_SECDED) : EDAC_FLAG_NONE;
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.4.2.5 $";
+ mci->mod_ver = AMD76X_REVISION;
mci->ctl_name = amd76x_devs[dev_idx].ctl_name;
mci->edac_check = amd76x_check;
mci->ctl_page_to_phys = NULL;
- for (index = 0; index < mci->nr_csrows; index++) {
- struct csrow_info *csrow = &mci->csrows[index];
- u32 mba;
- u32 mba_base;
- u32 mba_mask;
- u32 dms;
-
- /* find the DRAM Chip Select Base address and mask */
- pci_read_config_dword(mci->pdev,
- AMD76X_MEM_BASE_ADDR + (index * 4), &mba);
-
- if (!(mba & BIT(0)))
- continue;
-
- mba_base = mba & 0xff800000UL;
- mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL;
- pci_read_config_dword(mci->pdev, AMD76X_DRAM_MODE_STATUS,
- &dms);
- csrow->first_page = mba_base >> PAGE_SHIFT;
- csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
- csrow->page_mask = mba_mask >> PAGE_SHIFT;
- csrow->grain = csrow->nr_pages << PAGE_SHIFT;
- csrow->mtype = MEM_RDDR;
- csrow->dtype = ((dms >> index) & 0x1) ? DEV_X4 : DEV_UNKNOWN;
- csrow->edac_mode = ems_modes[ems_mode];
- }
-
+ amd76x_init_csrows(mci, pdev, ems_modes[ems_mode]);
amd76x_get_error_info(mci, &discard); /* clear counters */
- if (edac_mc_add_mc(mci)) {
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
goto fail;
}
@@ -261,9 +272,8 @@
return 0;
fail:
- if (mci != NULL)
- edac_mc_free(mci);
- return rc;
+ edac_mc_free(mci);
+ return -ENODEV;
}
/* returns count (>= 0), or negative on error */
@@ -290,7 +300,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index a52573b..815c3eb 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -24,6 +24,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define E752X_REVISION " Ver: 2.0.0 " __DATE__
+
static int force_function_unhide;
#define e752x_printk(level, fmt, arg...) \
@@ -762,122 +764,54 @@
e752x_process_error_info(mci, &info, 1);
}
-static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
+/* Return 1 if dual channel mode is active. Else return 0. */
+static inline int dual_channel_active(u16 ddrcsr)
{
- int rc = -ENODEV;
- int index;
- u16 pci_data;
- u8 stat8;
- struct mem_ctl_info *mci = NULL;
- struct e752x_pvt *pvt = NULL;
- u16 ddrcsr;
- u32 drc;
- int drc_chan; /* Number of channels 0=1chan,1=2chan */
- int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */
- int drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
- u32 dra;
+ return (((ddrcsr >> 12) & 3) == 3);
+}
+
+static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
+ u16 ddrcsr)
+{
+ struct csrow_info *csrow;
unsigned long last_cumul_size;
- struct pci_dev *dev = NULL;
- struct e752x_error_info discard;
+ int index, mem_dev, drc_chan;
+ int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */
+ int drc_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */
+ u8 value;
+ u32 dra, drc, cumul_size;
- debugf0("%s(): mci\n", __func__);
- debugf0("Starting Probe1\n");
-
- /* check to see if device 0 function 1 is enabled; if it isn't, we
- * assume the BIOS has reserved it for a reason and is expecting
- * exclusive access, we take care not to violate that assumption and
- * fail the probe. */
- pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
- if (!force_function_unhide && !(stat8 & (1 << 5))) {
- printk(KERN_INFO "Contact your BIOS vendor to see if the "
- "E752x error registers can be safely un-hidden\n");
- goto fail;
- }
- stat8 |= (1 << 5);
- pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
-
- /* need to find out the number of channels */
+ pci_read_config_dword(pdev, E752X_DRA, &dra);
pci_read_config_dword(pdev, E752X_DRC, &drc);
- pci_read_config_word(pdev, E752X_DDRCSR, &ddrcsr);
- /* FIXME: should check >>12 or 0xf, true for all? */
- /* Dual channel = 1, Single channel = 0 */
- drc_chan = (((ddrcsr >> 12) & 3) == 3);
- drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */
+ drc_chan = dual_channel_active(ddrcsr);
+ drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */
drc_ddim = (drc >> 20) & 0x3;
- mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1);
-
- if (mci == NULL) {
- rc = -ENOMEM;
- goto fail;
- }
-
- debugf3("%s(): init mci\n", __func__);
- mci->mtype_cap = MEM_FLAG_RDDR;
- mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
- EDAC_FLAG_S4ECD4ED;
- /* FIXME - what if different memory types are in different csrows? */
- mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.11 $";
- mci->pdev = pdev;
-
- debugf3("%s(): init pvt\n", __func__);
- pvt = (struct e752x_pvt *) mci->pvt_info;
- pvt->dev_info = &e752x_devs[dev_idx];
- pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
- pvt->dev_info->err_dev,
- pvt->bridge_ck);
-
- if (pvt->bridge_ck == NULL)
- pvt->bridge_ck = pci_scan_single_device(pdev->bus,
- PCI_DEVFN(0, 1));
-
- if (pvt->bridge_ck == NULL) {
- e752x_printk(KERN_ERR, "error reporting device not found:"
- "vendor %x device 0x%x (broken BIOS?)\n",
- PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
- goto fail;
- }
-
- pvt->mc_symmetric = ((ddrcsr & 0x10) != 0);
- debugf3("%s(): more mci init\n", __func__);
- mci->ctl_name = pvt->dev_info->ctl_name;
- mci->edac_check = e752x_check;
- mci->ctl_page_to_phys = ctl_page_to_phys;
-
- /* find out the device types */
- pci_read_config_dword(pdev, E752X_DRA, &dra);
-
- /*
- * The dram row boundary (DRB) reg values are boundary address for
+ /* The dram row boundary (DRB) reg values are boundary address for
* each DRAM row with a granularity of 64 or 128MB (single/dual
* channel operation). DRB regs are cumulative; therefore DRB7 will
* contain the total memory contained in all eight rows.
*/
for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) {
- u8 value;
- u32 cumul_size;
-
/* mem_dev 0=x8, 1=x4 */
- int mem_dev = (dra >> (index * 4 + 2)) & 0x3;
- struct csrow_info *csrow = &mci->csrows[index];
+ mem_dev = (dra >> (index * 4 + 2)) & 0x3;
+ csrow = &mci->csrows[index];
mem_dev = (mem_dev == 2);
- pci_read_config_byte(mci->pdev, E752X_DRB + index, &value);
+ pci_read_config_byte(pdev, E752X_DRB + index, &value);
/* convert a 128 or 64 MiB DRB to a page size. */
cumul_size = value << (25 + drc_drbg - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);
-
if (cumul_size == last_cumul_size)
- continue; /* not populated */
+ continue; /* not populated */
csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */
- csrow->mtype = MEM_RDDR; /* only one type supported */
+ csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */
+ csrow->mtype = MEM_RDDR; /* only one type supported */
csrow->dtype = mem_dev ? DEV_X4 : DEV_X8;
/*
@@ -895,72 +829,90 @@
} else
csrow->edac_mode = EDAC_NONE;
}
+}
- /* Fill in the memory map table */
- {
- u8 value;
- u8 last = 0;
- u8 row = 0;
+static void e752x_init_mem_map_table(struct pci_dev *pdev,
+ struct e752x_pvt *pvt)
+{
+ int index;
+ u8 value, last, row, stat8;
- for (index = 0; index < 8; index += 2) {
- pci_read_config_byte(mci->pdev, E752X_DRB + index,
- &value);
+ last = 0;
+ row = 0;
- /* test if there is a dimm in this slot */
- if (value == last) {
- /* no dimm in the slot, so flag it as empty */
- pvt->map[index] = 0xff;
- pvt->map[index + 1] = 0xff;
- } else { /* there is a dimm in the slot */
- pvt->map[index] = row;
- row++;
- last = value;
- /* test the next value to see if the dimm is
- double sided */
- pci_read_config_byte(mci->pdev,
- E752X_DRB + index + 1,
- &value);
- pvt->map[index + 1] = (value == last) ?
- 0xff : /* the dimm is single sided,
- * so flag as empty
- */
- row; /* this is a double sided dimm
- * to save the next row #
- */
- row++;
- last = value;
- }
+ for (index = 0; index < 8; index += 2) {
+ pci_read_config_byte(pdev, E752X_DRB + index, &value);
+ /* test if there is a dimm in this slot */
+ if (value == last) {
+ /* no dimm in the slot, so flag it as empty */
+ pvt->map[index] = 0xff;
+ pvt->map[index + 1] = 0xff;
+ } else { /* there is a dimm in the slot */
+ pvt->map[index] = row;
+ row++;
+ last = value;
+ /* test the next value to see if the dimm is double
+ * sided
+ */
+ pci_read_config_byte(pdev, E752X_DRB + index + 1,
+ &value);
+ pvt->map[index + 1] = (value == last) ?
+ 0xff : /* the dimm is single sided,
+ so flag as empty */
+ row; /* this is a double sided dimm
+ to save the next row # */
+ row++;
+ last = value;
}
}
/* set the map type. 1 = normal, 0 = reversed */
- pci_read_config_byte(mci->pdev, E752X_DRM, &stat8);
+ pci_read_config_byte(pdev, E752X_DRM, &stat8);
pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f));
+}
- mci->edac_cap |= EDAC_FLAG_NONE;
- debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
+/* Return 0 on success or 1 on failure. */
+static int e752x_get_devs(struct pci_dev *pdev, int dev_idx,
+ struct e752x_pvt *pvt)
+{
+ struct pci_dev *dev;
- /* load the top of low memory, remap base, and remap limit vars */
- pci_read_config_word(mci->pdev, E752X_TOLM, &pci_data);
- pvt->tolm = ((u32) pci_data) << 4;
- pci_read_config_word(mci->pdev, E752X_REMAPBASE, &pci_data);
- pvt->remapbase = ((u32) pci_data) << 14;
- pci_read_config_word(mci->pdev, E752X_REMAPLIMIT, &pci_data);
- pvt->remaplimit = ((u32) pci_data) << 14;
- e752x_printk(KERN_INFO,
- "tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
- pvt->remapbase, pvt->remaplimit);
+ pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
+ pvt->dev_info->err_dev,
+ pvt->bridge_ck);
- if (edac_mc_add_mc(mci)) {
- debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
- goto fail;
+ if (pvt->bridge_ck == NULL)
+ pvt->bridge_ck = pci_scan_single_device(pdev->bus,
+ PCI_DEVFN(0, 1));
+
+ if (pvt->bridge_ck == NULL) {
+ e752x_printk(KERN_ERR, "error reporting device not found:"
+ "vendor %x device 0x%x (broken BIOS?)\n",
+ PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
+ return 1;
}
dev = pci_get_device(PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].ctl_dev,
- NULL);
+ NULL);
+
+ if (dev == NULL)
+ goto fail;
+
pvt->dev_d0f0 = dev;
- /* find the error reporting device and clear errors */
- dev = pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck);
+ pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck);
+
+ return 0;
+
+fail:
+ pci_dev_put(pvt->bridge_ck);
+ return 1;
+}
+
+static void e752x_init_error_reporting_regs(struct e752x_pvt *pvt)
+{
+ struct pci_dev *dev;
+
+ dev = pvt->dev_d0f1;
/* Turn off error disable & SMI in case the BIOS turned it on */
pci_write_config_byte(dev, E752X_HI_ERRMASK, 0x00);
pci_write_config_byte(dev, E752X_HI_SMICMD, 0x00);
@@ -970,7 +922,99 @@
pci_write_config_byte(dev, E752X_BUF_SMICMD, 0x00);
pci_write_config_byte(dev, E752X_DRAM_ERRMASK, 0x00);
pci_write_config_byte(dev, E752X_DRAM_SMICMD, 0x00);
+}
+static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
+{
+ u16 pci_data;
+ u8 stat8;
+ struct mem_ctl_info *mci;
+ struct e752x_pvt *pvt;
+ u16 ddrcsr;
+ int drc_chan; /* Number of channels 0=1chan,1=2chan */
+ struct e752x_error_info discard;
+
+ debugf0("%s(): mci\n", __func__);
+ debugf0("Starting Probe1\n");
+
+ /* check to see if device 0 function 1 is enabled; if it isn't, we
+ * assume the BIOS has reserved it for a reason and is expecting
+ * exclusive access, we take care not to violate that assumption and
+ * fail the probe. */
+ pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
+ if (!force_function_unhide && !(stat8 & (1 << 5))) {
+ printk(KERN_INFO "Contact your BIOS vendor to see if the "
+ "E752x error registers can be safely un-hidden\n");
+ return -ENOMEM;
+ }
+ stat8 |= (1 << 5);
+ pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
+
+ pci_read_config_word(pdev, E752X_DDRCSR, &ddrcsr);
+ /* FIXME: should check >>12 or 0xf, true for all? */
+ /* Dual channel = 1, Single channel = 0 */
+ drc_chan = dual_channel_active(ddrcsr);
+
+ mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1);
+
+ if (mci == NULL) {
+ return -ENOMEM;
+ }
+
+ debugf3("%s(): init mci\n", __func__);
+ mci->mtype_cap = MEM_FLAG_RDDR;
+ mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
+ EDAC_FLAG_S4ECD4ED;
+ /* FIXME - what if different memory types are in different csrows? */
+ mci->mod_name = EDAC_MOD_STR;
+ mci->mod_ver = E752X_REVISION;
+ mci->dev = &pdev->dev;
+
+ debugf3("%s(): init pvt\n", __func__);
+ pvt = (struct e752x_pvt *) mci->pvt_info;
+ pvt->dev_info = &e752x_devs[dev_idx];
+ pvt->mc_symmetric = ((ddrcsr & 0x10) != 0);
+
+ if (e752x_get_devs(pdev, dev_idx, pvt)) {
+ edac_mc_free(mci);
+ return -ENODEV;
+ }
+
+ debugf3("%s(): more mci init\n", __func__);
+ mci->ctl_name = pvt->dev_info->ctl_name;
+ mci->edac_check = e752x_check;
+ mci->ctl_page_to_phys = ctl_page_to_phys;
+
+ e752x_init_csrows(mci, pdev, ddrcsr);
+ e752x_init_mem_map_table(pdev, pvt);
+
+ /* set the map type. 1 = normal, 0 = reversed */
+ pci_read_config_byte(pdev, E752X_DRM, &stat8);
+ pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f));
+
+ mci->edac_cap |= EDAC_FLAG_NONE;
+ debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
+
+ /* load the top of low memory, remap base, and remap limit vars */
+ pci_read_config_word(pdev, E752X_TOLM, &pci_data);
+ pvt->tolm = ((u32) pci_data) << 4;
+ pci_read_config_word(pdev, E752X_REMAPBASE, &pci_data);
+ pvt->remapbase = ((u32) pci_data) << 14;
+ pci_read_config_word(pdev, E752X_REMAPLIMIT, &pci_data);
+ pvt->remaplimit = ((u32) pci_data) << 14;
+ e752x_printk(KERN_INFO,
+ "tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
+ pvt->remapbase, pvt->remaplimit);
+
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
+ debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
+ goto fail;
+ }
+
+ e752x_init_error_reporting_regs(pvt);
e752x_get_error_info(mci, &discard); /* clear other MCH errors */
/* get this far and it's successful */
@@ -978,20 +1022,12 @@
return 0;
fail:
- if (mci) {
- if (pvt->dev_d0f0)
- pci_dev_put(pvt->dev_d0f0);
+ pci_dev_put(pvt->dev_d0f0);
+ pci_dev_put(pvt->dev_d0f1);
+ pci_dev_put(pvt->bridge_ck);
+ edac_mc_free(mci);
- if (pvt->dev_d0f1)
- pci_dev_put(pvt->dev_d0f1);
-
- if (pvt->bridge_ck)
- pci_dev_put(pvt->bridge_ck);
-
- edac_mc_free(mci);
- }
-
- return rc;
+ return -ENODEV;
}
/* returns count (>= 0), or negative on error */
@@ -1014,7 +1050,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct e752x_pvt *) mci->pvt_info;
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index ecfca7c..5a5ecd5 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -29,6 +29,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define E7XXX_REVISION " Ver: 2.0.0 " __DATE__
+
#define e7xxx_printk(level, fmt, arg...) \
edac_printk(level, "e7xxx", fmt, ##arg)
@@ -332,99 +334,61 @@
e7xxx_process_error_info(mci, &info, 1);
}
-static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
+/* Return 1 if dual channel mode is active. Else return 0. */
+static inline int dual_channel_active(u32 drc, int dev_idx)
{
- int rc = -ENODEV;
- int index;
- u16 pci_data;
- struct mem_ctl_info *mci = NULL;
- struct e7xxx_pvt *pvt = NULL;
- u32 drc;
- int drc_chan = 1; /* Number of channels 0=1chan,1=2chan */
- int drc_drbg = 1; /* DRB granularity 0=32mb,1=64mb */
- int drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
- u32 dra;
- unsigned long last_cumul_size;
- struct e7xxx_error_info discard;
+ return (dev_idx == E7501) ? ((drc >> 22) & 0x1) : 1;
+}
- debugf0("%s(): mci\n", __func__);
- /* need to find out the number of channels */
- pci_read_config_dword(pdev, E7XXX_DRC, &drc);
-
+/* Return DRB granularity (0=32mb, 1=64mb). */
+static inline int drb_granularity(u32 drc, int dev_idx)
+{
/* only e7501 can be single channel */
- if (dev_idx == E7501) {
- drc_chan = ((drc >> 22) & 0x1);
- drc_drbg = (drc >> 18) & 0x3;
- }
+ return (dev_idx == E7501) ? ((drc >> 18) & 0x3) : 1;
+}
- drc_ddim = (drc >> 20) & 0x3;
- mci = edac_mc_alloc(sizeof(*pvt), E7XXX_NR_CSROWS, drc_chan + 1);
- if (mci == NULL) {
- rc = -ENOMEM;
- goto fail;
- }
+static void e7xxx_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
+ int dev_idx, u32 drc)
+{
+ unsigned long last_cumul_size;
+ int index;
+ u8 value;
+ u32 dra, cumul_size;
+ int drc_chan, drc_drbg, drc_ddim, mem_dev;
+ struct csrow_info *csrow;
- debugf3("%s(): init mci\n", __func__);
- mci->mtype_cap = MEM_FLAG_RDDR;
- mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
- EDAC_FLAG_S4ECD4ED;
- /* FIXME - what if different memory types are in different csrows? */
- mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.9 $";
- mci->pdev = pdev;
-
- debugf3("%s(): init pvt\n", __func__);
- pvt = (struct e7xxx_pvt *) mci->pvt_info;
- pvt->dev_info = &e7xxx_devs[dev_idx];
- pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
- pvt->dev_info->err_dev,
- pvt->bridge_ck);
-
- if (!pvt->bridge_ck) {
- e7xxx_printk(KERN_ERR, "error reporting device not found:"
- "vendor %x device 0x%x (broken BIOS?)\n",
- PCI_VENDOR_ID_INTEL, e7xxx_devs[dev_idx].err_dev);
- goto fail;
- }
-
- debugf3("%s(): more mci init\n", __func__);
- mci->ctl_name = pvt->dev_info->ctl_name;
- mci->edac_check = e7xxx_check;
- mci->ctl_page_to_phys = ctl_page_to_phys;
-
- /* find out the device types */
pci_read_config_dword(pdev, E7XXX_DRA, &dra);
+ drc_chan = dual_channel_active(drc, dev_idx);
+ drc_drbg = drb_granularity(drc, dev_idx);
+ drc_ddim = (drc >> 20) & 0x3;
+ last_cumul_size = 0;
- /*
- * The dram row boundary (DRB) reg values are boundary address
+ /* The dram row boundary (DRB) reg values are boundary address
* for each DRAM row with a granularity of 32 or 64MB (single/dual
* channel operation). DRB regs are cumulative; therefore DRB7 will
* contain the total memory contained in all eight rows.
*/
- for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) {
- u8 value;
- u32 cumul_size;
+ for (index = 0; index < mci->nr_csrows; index++) {
/* mem_dev 0=x8, 1=x4 */
- int mem_dev = (dra >> (index * 4 + 3)) & 0x1;
- struct csrow_info *csrow = &mci->csrows[index];
+ mem_dev = (dra >> (index * 4 + 3)) & 0x1;
+ csrow = &mci->csrows[index];
- pci_read_config_byte(mci->pdev, E7XXX_DRB + index, &value);
+ pci_read_config_byte(pdev, E7XXX_DRB + index, &value);
/* convert a 64 or 32 MiB DRB to a page size. */
cumul_size = value << (25 + drc_drbg - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);
-
if (cumul_size == last_cumul_size)
- continue; /* not populated */
+ continue; /* not populated */
csrow->first_page = last_cumul_size;
csrow->last_page = cumul_size - 1;
csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */
- csrow->mtype = MEM_RDDR; /* only one type supported */
+ csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */
+ csrow->mtype = MEM_RDDR; /* only one type supported */
csrow->dtype = mem_dev ? DEV_X4 : DEV_X8;
/*
@@ -442,16 +406,61 @@
} else
csrow->edac_mode = EDAC_NONE;
}
+}
+static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx)
+{
+ u16 pci_data;
+ struct mem_ctl_info *mci = NULL;
+ struct e7xxx_pvt *pvt = NULL;
+ u32 drc;
+ int drc_chan;
+ struct e7xxx_error_info discard;
+
+ debugf0("%s(): mci\n", __func__);
+ pci_read_config_dword(pdev, E7XXX_DRC, &drc);
+
+ drc_chan = dual_channel_active(drc, dev_idx);
+ mci = edac_mc_alloc(sizeof(*pvt), E7XXX_NR_CSROWS, drc_chan + 1);
+
+ if (mci == NULL)
+ return -ENOMEM;
+
+ debugf3("%s(): init mci\n", __func__);
+ mci->mtype_cap = MEM_FLAG_RDDR;
+ mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
+ EDAC_FLAG_S4ECD4ED;
+ /* FIXME - what if different memory types are in different csrows? */
+ mci->mod_name = EDAC_MOD_STR;
+ mci->mod_ver = E7XXX_REVISION;
+ mci->dev = &pdev->dev;
+ debugf3("%s(): init pvt\n", __func__);
+ pvt = (struct e7xxx_pvt *) mci->pvt_info;
+ pvt->dev_info = &e7xxx_devs[dev_idx];
+ pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
+ pvt->dev_info->err_dev,
+ pvt->bridge_ck);
+
+ if (!pvt->bridge_ck) {
+ e7xxx_printk(KERN_ERR, "error reporting device not found:"
+ "vendor %x device 0x%x (broken BIOS?)\n",
+ PCI_VENDOR_ID_INTEL, e7xxx_devs[dev_idx].err_dev);
+ goto fail0;
+ }
+
+ debugf3("%s(): more mci init\n", __func__);
+ mci->ctl_name = pvt->dev_info->ctl_name;
+ mci->edac_check = e7xxx_check;
+ mci->ctl_page_to_phys = ctl_page_to_phys;
+ e7xxx_init_csrows(mci, pdev, dev_idx, drc);
mci->edac_cap |= EDAC_FLAG_NONE;
-
debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
/* load the top of low memory, remap base, and remap limit vars */
- pci_read_config_word(mci->pdev, E7XXX_TOLM, &pci_data);
+ pci_read_config_word(pdev, E7XXX_TOLM, &pci_data);
pvt->tolm = ((u32) pci_data) << 4;
- pci_read_config_word(mci->pdev, E7XXX_REMAPBASE, &pci_data);
+ pci_read_config_word(pdev, E7XXX_REMAPBASE, &pci_data);
pvt->remapbase = ((u32) pci_data) << 14;
- pci_read_config_word(mci->pdev, E7XXX_REMAPLIMIT, &pci_data);
+ pci_read_config_word(pdev, E7XXX_REMAPLIMIT, &pci_data);
pvt->remaplimit = ((u32) pci_data) << 14;
e7xxx_printk(KERN_INFO,
"tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
@@ -460,23 +469,25 @@
/* clear any pending errors, or initial state bits */
e7xxx_get_error_info(mci, &discard);
- if (edac_mc_add_mc(mci) != 0) {
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
- goto fail;
+ goto fail1;
}
/* get this far and it's successful */
debugf3("%s(): success\n", __func__);
return 0;
-fail:
- if (mci != NULL) {
- if(pvt != NULL && pvt->bridge_ck)
- pci_dev_put(pvt->bridge_ck);
- edac_mc_free(mci);
- }
+fail1:
+ pci_dev_put(pvt->bridge_ck);
- return rc;
+fail0:
+ edac_mc_free(mci);
+
+ return -ENODEV;
}
/* returns count (>= 0), or negative on error */
@@ -497,7 +508,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct e7xxx_pvt *) mci->pvt_info;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 0499782..3a7cfe8 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -53,16 +53,17 @@
static int panic_on_ue;
static int poll_msec = 1000;
-static int check_pci_parity = 0; /* default YES check PCI parity */
-static int panic_on_pci_parity; /* default no panic on PCI Parity */
-static atomic_t pci_parity_count = ATOMIC_INIT(0);
-
/* lock to memory controller's control array */
static DECLARE_MUTEX(mem_ctls_mutex);
static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices);
static struct task_struct *edac_thread;
+#ifdef CONFIG_PCI
+static int check_pci_parity = 0; /* default YES check PCI parity */
+static int panic_on_pci_parity; /* default no panic on PCI Parity */
+static atomic_t pci_parity_count = ATOMIC_INIT(0);
+
/* Structure of the whitelist and blacklist arrays */
struct edac_pci_device_list {
unsigned int vendor; /* Vendor ID */
@@ -79,6 +80,12 @@
static struct edac_pci_device_list pci_whitelist[MAX_LISTED_PCI_DEVICES];
static int pci_whitelist_count ;
+#ifndef DISABLE_EDAC_SYSFS
+static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
+static struct completion edac_pci_kobj_complete;
+#endif /* DISABLE_EDAC_SYSFS */
+#endif /* CONFIG_PCI */
+
/* START sysfs data and methods */
#ifndef DISABLE_EDAC_SYSFS
@@ -126,18 +133,15 @@
set_kset_name("edac"),
};
-/* sysfs objects:
+/* sysfs object:
* /sys/devices/system/edac/mc
- * /sys/devices/system/edac/pci
*/
static struct kobject edac_memctrl_kobj;
-static struct kobject edac_pci_kobj;
/* We use these to wait for the reference counts on edac_memctrl_kobj and
* edac_pci_kobj to reach 0.
*/
static struct completion edac_memctrl_kobj_complete;
-static struct completion edac_pci_kobj_complete;
/*
* /sys/devices/system/edac/mc;
@@ -323,6 +327,8 @@
#endif /* DISABLE_EDAC_SYSFS */
}
+#ifdef CONFIG_PCI
+
#ifndef DISABLE_EDAC_SYSFS
/*
@@ -623,6 +629,252 @@
#endif
}
+
+static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
+{
+ int where;
+ u16 status;
+
+ where = secondary ? PCI_SEC_STATUS : PCI_STATUS;
+ pci_read_config_word(dev, where, &status);
+
+ /* If we get back 0xFFFF then we must suspect that the card has been
+ * pulled but the Linux PCI layer has not yet finished cleaning up.
+ * We don't want to report on such devices
+ */
+
+ if (status == 0xFFFF) {
+ u32 sanity;
+
+ pci_read_config_dword(dev, 0, &sanity);
+
+ if (sanity == 0xFFFFFFFF)
+ return 0;
+ }
+
+ status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
+ PCI_STATUS_PARITY;
+
+ if (status)
+ /* reset only the bits we are interested in */
+ pci_write_config_word(dev, where, status);
+
+ return status;
+}
+
+typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
+
+/* Clear any PCI parity errors logged by this device. */
+static void edac_pci_dev_parity_clear(struct pci_dev *dev)
+{
+ u8 header_type;
+
+ get_pci_parity_status(dev, 0);
+
+ /* read the device TYPE, looking for bridges */
+ pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
+
+ if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
+ get_pci_parity_status(dev, 1);
+}
+
+/*
+ * PCI Parity polling
+ *
+ */
+static void edac_pci_dev_parity_test(struct pci_dev *dev)
+{
+ u16 status;
+ u8 header_type;
+
+ /* read the STATUS register on this device
+ */
+ status = get_pci_parity_status(dev, 0);
+
+ debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
+
+ /* check the status reg for errors */
+ if (status) {
+ if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+
+ if (status & (PCI_STATUS_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Master Data Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI,
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+ }
+
+ /* read the device TYPE, looking for bridges */
+ pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
+
+ debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
+
+ if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
+ /* On bridges, need to examine secondary status register */
+ status = get_pci_parity_status(dev, 1);
+
+ debugf2("PCI SEC_STATUS= 0x%04x %s\n",
+ status, dev->dev.bus_id );
+
+ /* check the secondary status reg for errors */
+ if (status) {
+ if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Signaled System Error on %s\n",
+ pci_name(dev));
+
+ if (status & (PCI_STATUS_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Master Data Parity Error on "
+ "%s\n", pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+
+ if (status & (PCI_STATUS_DETECTED_PARITY)) {
+ edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
+ "Detected Parity Error on %s\n",
+ pci_name(dev));
+
+ atomic_inc(&pci_parity_count);
+ }
+ }
+ }
+}
+
+/*
+ * check_dev_on_list: Scan for a PCI device on a white/black list
+ * @list: an EDAC &edac_pci_device_list white/black list pointer
+ * @free_index: index of next free entry on the list
+ * @pci_dev: PCI Device pointer
+ *
+ * see if list contains the device.
+ *
+ * Returns: 0 not found
+ * 1 found on list
+ */
+static int check_dev_on_list(struct edac_pci_device_list *list,
+ int free_index, struct pci_dev *dev)
+{
+ int i;
+ int rc = 0; /* Assume not found */
+ unsigned short vendor=dev->vendor;
+ unsigned short device=dev->device;
+
+ /* Scan the list, looking for a vendor/device match */
+ for (i = 0; i < free_index; i++, list++ ) {
+ if ((list->vendor == vendor ) && (list->device == device )) {
+ rc = 1;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+/*
+ * pci_dev parity list iterator
+ * Scan the PCI device list for one iteration, looking for SERRORs
+ * Master Parity ERRORS or Parity ERRORs on primary or secondary devices
+ */
+static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
+{
+ struct pci_dev *dev = NULL;
+
+ /* request for kernel access to the next PCI device, if any,
+ * and while we are looking at it have its reference count
+ * bumped until we are done with it
+ */
+ while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ /* if whitelist exists then it has priority, so only scan
+ * those devices on the whitelist
+ */
+ if (pci_whitelist_count > 0 ) {
+ if (check_dev_on_list(pci_whitelist,
+ pci_whitelist_count, dev))
+ fn(dev);
+ } else {
+ /*
+ * if no whitelist, then check if this devices is
+ * blacklisted
+ */
+ if (!check_dev_on_list(pci_blacklist,
+ pci_blacklist_count, dev))
+ fn(dev);
+ }
+ }
+}
+
+static void do_pci_parity_check(void)
+{
+ unsigned long flags;
+ int before_count;
+
+ debugf3("%s()\n", __func__);
+
+ if (!check_pci_parity)
+ return;
+
+ before_count = atomic_read(&pci_parity_count);
+
+ /* scan all PCI devices looking for a Parity Error on devices and
+ * bridges
+ */
+ local_irq_save(flags);
+ edac_pci_dev_parity_iterator(edac_pci_dev_parity_test);
+ local_irq_restore(flags);
+
+ /* Only if operator has selected panic on PCI Error */
+ if (panic_on_pci_parity) {
+ /* If the count is different 'after' from 'before' */
+ if (before_count != atomic_read(&pci_parity_count))
+ panic("EDAC: PCI Parity Error");
+ }
+}
+
+static inline void clear_pci_parity_errors(void)
+{
+ /* Clear any PCI bus parity errors that devices initially have logged
+ * in their registers.
+ */
+ edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear);
+}
+
+#else /* CONFIG_PCI */
+
+static inline void do_pci_parity_check(void)
+{
+ /* no-op */
+}
+
+static inline void clear_pci_parity_errors(void)
+{
+ /* no-op */
+}
+
+static void edac_sysfs_pci_teardown(void)
+{
+}
+
+static int edac_sysfs_pci_setup(void)
+{
+ return 0;
+}
+#endif /* CONFIG_PCI */
+
#ifndef DISABLE_EDAC_SYSFS
/* EDAC sysfs CSROW data structures and methods */
@@ -1131,7 +1383,7 @@
return err;
/* create a symlink for the device */
- err = sysfs_create_link(edac_mci_kobj, &mci->pdev->dev.kobj,
+ err = sysfs_create_link(edac_mci_kobj, &mci->dev->kobj,
EDAC_DEVICE_SYMLINK);
if (err)
@@ -1237,7 +1489,7 @@
debugf4("\tmci->edac_check = %p\n", mci->edac_check);
debugf3("\tmci->nr_csrows = %d, csrows = %p\n",
mci->nr_csrows, mci->csrows);
- debugf3("\tpdev = %p\n", mci->pdev);
+ debugf3("\tdev = %p\n", mci->dev);
debugf3("\tmod_name:ctl_name = %s:%s\n",
mci->mod_name, mci->ctl_name);
debugf3("\tpvt_info = %p\n\n", mci->pvt_info);
@@ -1362,7 +1614,7 @@
}
EXPORT_SYMBOL_GPL(edac_mc_free);
-static struct mem_ctl_info *find_mci_by_pdev(struct pci_dev *pdev)
+static struct mem_ctl_info *find_mci_by_dev(struct device *dev)
{
struct mem_ctl_info *mci;
struct list_head *item;
@@ -1372,54 +1624,53 @@
list_for_each(item, &mc_devices) {
mci = list_entry(item, struct mem_ctl_info, link);
- if (mci->pdev == pdev)
+ if (mci->dev == dev)
return mci;
}
return NULL;
}
-static int add_mc_to_global_list(struct mem_ctl_info *mci)
+/* Return 0 on success, 1 on failure.
+ * Before calling this function, caller must
+ * assign a unique value to mci->mc_idx.
+ */
+static int add_mc_to_global_list (struct mem_ctl_info *mci)
{
struct list_head *item, *insert_before;
struct mem_ctl_info *p;
- int i;
- if (list_empty(&mc_devices)) {
- mci->mc_idx = 0;
- insert_before = &mc_devices;
- } else {
- if (find_mci_by_pdev(mci->pdev)) {
- edac_printk(KERN_WARNING, EDAC_MC,
- "%s (%s) %s %s already assigned %d\n",
- mci->pdev->dev.bus_id,
- pci_name(mci->pdev), mci->mod_name,
- mci->ctl_name, mci->mc_idx);
- return 1;
+ insert_before = &mc_devices;
+
+ if (unlikely((p = find_mci_by_dev(mci->dev)) != NULL))
+ goto fail0;
+
+ list_for_each(item, &mc_devices) {
+ p = list_entry(item, struct mem_ctl_info, link);
+
+ if (p->mc_idx >= mci->mc_idx) {
+ if (unlikely(p->mc_idx == mci->mc_idx))
+ goto fail1;
+
+ insert_before = item;
+ break;
}
-
- insert_before = NULL;
- i = 0;
-
- list_for_each(item, &mc_devices) {
- p = list_entry(item, struct mem_ctl_info, link);
-
- if (p->mc_idx != i) {
- insert_before = item;
- break;
- }
-
- i++;
- }
-
- mci->mc_idx = i;
-
- if (insert_before == NULL)
- insert_before = &mc_devices;
}
list_add_tail_rcu(&mci->link, insert_before);
return 0;
+
+fail0:
+ edac_printk(KERN_WARNING, EDAC_MC,
+ "%s (%s) %s %s already assigned %d\n", p->dev->bus_id,
+ dev_name(p->dev), p->mod_name, p->ctl_name, p->mc_idx);
+ return 1;
+
+fail1:
+ edac_printk(KERN_WARNING, EDAC_MC,
+ "bug in low-level driver: attempt to assign\n"
+ " duplicate mc_idx %d in %s()\n", p->mc_idx, __func__);
+ return 1;
}
static void complete_mc_list_del(struct rcu_head *head)
@@ -1443,6 +1694,7 @@
* edac_mc_add_mc: Insert the 'mci' structure into the mci global list and
* create sysfs entries associated with mci structure
* @mci: pointer to the mci structure to be added to the list
+ * @mc_idx: A unique numeric identifier to be assigned to the 'mci' structure.
*
* Return:
* 0 Success
@@ -1450,9 +1702,10 @@
*/
/* FIXME - should a warning be printed if no error detection? correction? */
-int edac_mc_add_mc(struct mem_ctl_info *mci)
+int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx)
{
debugf0("%s()\n", __func__);
+ mci->mc_idx = mc_idx;
#ifdef CONFIG_EDAC_DEBUG
if (edac_debug_level >= 3)
edac_mc_dump_mci(mci);
@@ -1485,8 +1738,8 @@
}
/* Report action taken */
- edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: PCI %s\n",
- mci->mod_name, mci->ctl_name, pci_name(mci->pdev));
+ edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV %s\n",
+ mci->mod_name, mci->ctl_name, dev_name(mci->dev));
up(&mem_ctls_mutex);
return 0;
@@ -1503,18 +1756,18 @@
/**
* edac_mc_del_mc: Remove sysfs entries for specified mci structure and
* remove mci structure from global list
- * @pdev: Pointer to 'struct pci_dev' representing mci structure to remove.
+ * @pdev: Pointer to 'struct device' representing mci structure to remove.
*
* Return pointer to removed mci structure, or NULL if device not found.
*/
-struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev)
+struct mem_ctl_info * edac_mc_del_mc(struct device *dev)
{
struct mem_ctl_info *mci;
debugf0("MC: %s()\n", __func__);
down(&mem_ctls_mutex);
- if ((mci = find_mci_by_pdev(pdev)) == NULL) {
+ if ((mci = find_mci_by_dev(dev)) == NULL) {
up(&mem_ctls_mutex);
return NULL;
}
@@ -1523,8 +1776,8 @@
del_mc_from_global_list(mci);
up(&mem_ctls_mutex);
edac_printk(KERN_INFO, EDAC_MC,
- "Removed device %d for %s %s: PCI %s\n", mci->mc_idx,
- mci->mod_name, mci->ctl_name, pci_name(mci->pdev));
+ "Removed device %d for %s %s: DEV %s\n", mci->mc_idx,
+ mci->mod_name, mci->ctl_name, dev_name(mci->dev));
return mci;
}
EXPORT_SYMBOL_GPL(edac_mc_del_mc);
@@ -1738,244 +1991,6 @@
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
-#ifdef CONFIG_PCI
-
-static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
-{
- int where;
- u16 status;
-
- where = secondary ? PCI_SEC_STATUS : PCI_STATUS;
- pci_read_config_word(dev, where, &status);
-
- /* If we get back 0xFFFF then we must suspect that the card has been
- * pulled but the Linux PCI layer has not yet finished cleaning up.
- * We don't want to report on such devices
- */
-
- if (status == 0xFFFF) {
- u32 sanity;
-
- pci_read_config_dword(dev, 0, &sanity);
-
- if (sanity == 0xFFFFFFFF)
- return 0;
- }
-
- status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
- PCI_STATUS_PARITY;
-
- if (status)
- /* reset only the bits we are interested in */
- pci_write_config_word(dev, where, status);
-
- return status;
-}
-
-typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
-
-/* Clear any PCI parity errors logged by this device. */
-static void edac_pci_dev_parity_clear(struct pci_dev *dev)
-{
- u8 header_type;
-
- get_pci_parity_status(dev, 0);
-
- /* read the device TYPE, looking for bridges */
- pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
- get_pci_parity_status(dev, 1);
-}
-
-/*
- * PCI Parity polling
- *
- */
-static void edac_pci_dev_parity_test(struct pci_dev *dev)
-{
- u16 status;
- u8 header_type;
-
- /* read the STATUS register on this device
- */
- status = get_pci_parity_status(dev, 0);
-
- debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
-
- /* check the status reg for errors */
- if (status) {
- if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Signaled System Error on %s\n",
- pci_name(dev));
-
- if (status & (PCI_STATUS_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Master Data Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI,
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
- }
-
- /* read the device TYPE, looking for bridges */
- pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
- debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
-
- if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
- /* On bridges, need to examine secondary status register */
- status = get_pci_parity_status(dev, 1);
-
- debugf2("PCI SEC_STATUS= 0x%04x %s\n",
- status, dev->dev.bus_id );
-
- /* check the secondary status reg for errors */
- if (status) {
- if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Signaled System Error on %s\n",
- pci_name(dev));
-
- if (status & (PCI_STATUS_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Master Data Parity Error on "
- "%s\n", pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
-
- if (status & (PCI_STATUS_DETECTED_PARITY)) {
- edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
- "Detected Parity Error on %s\n",
- pci_name(dev));
-
- atomic_inc(&pci_parity_count);
- }
- }
- }
-}
-
-/*
- * check_dev_on_list: Scan for a PCI device on a white/black list
- * @list: an EDAC &edac_pci_device_list white/black list pointer
- * @free_index: index of next free entry on the list
- * @pci_dev: PCI Device pointer
- *
- * see if list contains the device.
- *
- * Returns: 0 not found
- * 1 found on list
- */
-static int check_dev_on_list(struct edac_pci_device_list *list,
- int free_index, struct pci_dev *dev)
-{
- int i;
- int rc = 0; /* Assume not found */
- unsigned short vendor=dev->vendor;
- unsigned short device=dev->device;
-
- /* Scan the list, looking for a vendor/device match */
- for (i = 0; i < free_index; i++, list++ ) {
- if ((list->vendor == vendor ) && (list->device == device )) {
- rc = 1;
- break;
- }
- }
-
- return rc;
-}
-
-/*
- * pci_dev parity list iterator
- * Scan the PCI device list for one iteration, looking for SERRORs
- * Master Parity ERRORS or Parity ERRORs on primary or secondary devices
- */
-static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
-{
- struct pci_dev *dev = NULL;
-
- /* request for kernel access to the next PCI device, if any,
- * and while we are looking at it have its reference count
- * bumped until we are done with it
- */
- while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- /* if whitelist exists then it has priority, so only scan
- * those devices on the whitelist
- */
- if (pci_whitelist_count > 0 ) {
- if (check_dev_on_list(pci_whitelist,
- pci_whitelist_count, dev))
- fn(dev);
- } else {
- /*
- * if no whitelist, then check if this devices is
- * blacklisted
- */
- if (!check_dev_on_list(pci_blacklist,
- pci_blacklist_count, dev))
- fn(dev);
- }
- }
-}
-
-static void do_pci_parity_check(void)
-{
- unsigned long flags;
- int before_count;
-
- debugf3("%s()\n", __func__);
-
- if (!check_pci_parity)
- return;
-
- before_count = atomic_read(&pci_parity_count);
-
- /* scan all PCI devices looking for a Parity Error on devices and
- * bridges
- */
- local_irq_save(flags);
- edac_pci_dev_parity_iterator(edac_pci_dev_parity_test);
- local_irq_restore(flags);
-
- /* Only if operator has selected panic on PCI Error */
- if (panic_on_pci_parity) {
- /* If the count is different 'after' from 'before' */
- if (before_count != atomic_read(&pci_parity_count))
- panic("EDAC: PCI Parity Error");
- }
-}
-
-static inline void clear_pci_parity_errors(void)
-{
- /* Clear any PCI bus parity errors that devices initially have logged
- * in their registers.
- */
- edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear);
-}
-
-#else /* CONFIG_PCI */
-
-static inline void do_pci_parity_check(void)
-{
- /* no-op */
-}
-
-static inline void clear_pci_parity_errors(void)
-{
- /* no-op */
-}
-
-#endif /* CONFIG_PCI */
/*
* Iterate over all MC instances and check for ECC, et al, errors
@@ -2095,10 +2110,12 @@
module_param(panic_on_ue, int, 0644);
MODULE_PARM_DESC(panic_on_ue, "Panic on uncorrected error: 0=off 1=on");
+#ifdef CONFIG_PCI
module_param(check_pci_parity, int, 0644);
MODULE_PARM_DESC(check_pci_parity, "Check for PCI bus parity errors: 0=off 1=on");
module_param(panic_on_pci_parity, int, 0644);
MODULE_PARM_DESC(panic_on_pci_parity, "Panic on PCI Bus Parity error: 0=off 1=on");
+#endif
module_param(log_ue, int, 0644);
MODULE_PARM_DESC(log_ue, "Log uncorrectable error to console: 0=off 1=on");
module_param(log_ce, int, 0644);
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index ad578eb..1be4947 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -87,6 +87,12 @@
#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
PCI_DEVICE_ID_ ## vend ## _ ## dev
+#if defined(CONFIG_X86) && defined(CONFIG_PCI)
+#define dev_name(dev) pci_name(to_pci_dev(dev))
+#else
+#define dev_name(dev) to_platform_device(dev)->name
+#endif
+
/* memory devices */
enum dev_type {
DEV_UNKNOWN = 0,
@@ -326,10 +332,10 @@
struct csrow_info *csrows;
/*
* FIXME - what about controllers on other busses? - IDs must be
- * unique. pdev pointer should be sufficiently unique, but
+ * unique. dev pointer should be sufficiently unique, but
* BUS:SLOT.FUNC numbers may not be unique.
*/
- struct pci_dev *pdev;
+ struct device *dev;
const char *mod_name;
const char *mod_ver;
const char *ctl_name;
@@ -352,6 +358,8 @@
struct completion kobj_complete;
};
+#ifdef CONFIG_PCI
+
/* write all or some bits in a byte-register*/
static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value,
u8 mask)
@@ -400,14 +408,16 @@
pci_write_config_dword(pdev, offset, value);
}
+#endif /* CONFIG_PCI */
+
#ifdef CONFIG_EDAC_DEBUG
void edac_mc_dump_channel(struct channel_info *chan);
void edac_mc_dump_mci(struct mem_ctl_info *mci);
void edac_mc_dump_csrow(struct csrow_info *csrow);
#endif /* CONFIG_EDAC_DEBUG */
-extern int edac_mc_add_mc(struct mem_ctl_info *mci);
-extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev);
+extern int edac_mc_add_mc(struct mem_ctl_info *mci,int mc_idx);
+extern struct mem_ctl_info * edac_mc_del_mc(struct device *dev);
extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
unsigned long page);
extern void edac_mc_scrub_block(unsigned long page, unsigned long offset,
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index 56ba31f..e30a4a2 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -16,6 +16,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define I82860_REVISION " Ver: 2.0.0 " __DATE__
+
#define i82860_printk(level, fmt, arg...) \
edac_printk(level, "i82860", fmt, ##arg)
@@ -62,17 +64,21 @@
static void i82860_get_error_info(struct mem_ctl_info *mci,
struct i82860_error_info *info)
{
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+
/*
* This is a mess because there is no atomic way to read all the
* registers at once and the registers can transition from CE being
* overwritten by UE.
*/
- pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts);
- pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap);
- pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, &info->derrsyn);
- pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts2);
+ pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts);
+ pci_read_config_dword(pdev, I82860_EAP, &info->eap);
+ pci_read_config_word(pdev, I82860_DERRCTL_STS, &info->derrsyn);
+ pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts2);
- pci_write_bits16(mci->pdev, I82860_ERRSTS, 0x0003, 0x0003);
+ pci_write_bits16(pdev, I82860_ERRSTS, 0x0003, 0x0003);
/*
* If the error is the same for both reads then the first set of reads
@@ -83,8 +89,8 @@
return;
if ((info->errsts ^ info->errsts2) & 0x0003) {
- pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap);
- pci_read_config_word(mci->pdev, I82860_DERRCTL_STS,
+ pci_read_config_dword(pdev, I82860_EAP, &info->eap);
+ pci_read_config_word(pdev, I82860_DERRCTL_STS,
&info->derrsyn);
}
}
@@ -126,16 +132,51 @@
i82860_process_error_info(mci, &info, 1);
}
+static void i82860_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev)
+{
+ unsigned long last_cumul_size;
+ u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */
+ u16 value;
+ u32 cumul_size;
+ struct csrow_info *csrow;
+ int index;
+
+ pci_read_config_word(pdev, I82860_MCHCFG, &mchcfg_ddim);
+ mchcfg_ddim = mchcfg_ddim & 0x180;
+ last_cumul_size = 0;
+
+ /* The group row boundary (GRA) reg values are boundary address
+ * for each DRAM row with a granularity of 16MB. GRA regs are
+ * cumulative; therefore GRA15 will contain the total memory contained
+ * in all eight rows.
+ */
+ for (index = 0; index < mci->nr_csrows; index++) {
+ csrow = &mci->csrows[index];
+ pci_read_config_word(pdev, I82860_GBA + index * 2, &value);
+ cumul_size = (value & I82860_GBA_MASK) <<
+ (I82860_GBA_SHIFT - PAGE_SHIFT);
+ debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
+ cumul_size);
+
+ if (cumul_size == last_cumul_size)
+ continue; /* not populated */
+
+ csrow->first_page = last_cumul_size;
+ csrow->last_page = cumul_size - 1;
+ csrow->nr_pages = cumul_size - last_cumul_size;
+ last_cumul_size = cumul_size;
+ csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */
+ csrow->mtype = MEM_RMBS;
+ csrow->dtype = DEV_UNKNOWN;
+ csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE;
+ }
+}
+
static int i82860_probe1(struct pci_dev *pdev, int dev_idx)
{
- int rc = -ENODEV;
- int index;
- struct mem_ctl_info *mci = NULL;
- unsigned long last_cumul_size;
+ struct mem_ctl_info *mci;
struct i82860_error_info discard;
- u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
-
/* RDRAM has channels but these don't map onto the abstractions that
edac uses.
The device groups from the GRA registers seem to map reasonably
@@ -150,67 +191,35 @@
return -ENOMEM;
debugf3("%s(): init mci\n", __func__);
- mci->pdev = pdev;
+ mci->dev = &pdev->dev;
mci->mtype_cap = MEM_FLAG_DDR;
-
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
/* I"m not sure about this but I think that all RDRAM is SECDED */
mci->edac_cap = EDAC_FLAG_SECDED;
- /* adjust FLAGS */
-
mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.1.2.6 $";
+ mci->mod_ver = I82860_REVISION;
mci->ctl_name = i82860_devs[dev_idx].ctl_name;
mci->edac_check = i82860_check;
mci->ctl_page_to_phys = NULL;
-
- pci_read_config_word(mci->pdev, I82860_MCHCFG, &mchcfg_ddim);
- mchcfg_ddim = mchcfg_ddim & 0x180;
-
- /*
- * The group row boundary (GRA) reg values are boundary address
- * for each DRAM row with a granularity of 16MB. GRA regs are
- * cumulative; therefore GRA15 will contain the total memory contained
- * in all eight rows.
- */
- for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) {
- u16 value;
- u32 cumul_size;
- struct csrow_info *csrow = &mci->csrows[index];
-
- pci_read_config_word(mci->pdev, I82860_GBA + index * 2,
- &value);
-
- cumul_size = (value & I82860_GBA_MASK) <<
- (I82860_GBA_SHIFT - PAGE_SHIFT);
- debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
- cumul_size);
-
- if (cumul_size == last_cumul_size)
- continue; /* not populated */
-
- csrow->first_page = last_cumul_size;
- csrow->last_page = cumul_size - 1;
- csrow->nr_pages = cumul_size - last_cumul_size;
- last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */
- csrow->mtype = MEM_RMBS;
- csrow->dtype = DEV_UNKNOWN;
- csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE;
- }
-
+ i82860_init_csrows(mci, pdev);
i82860_get_error_info(mci, &discard); /* clear counters */
- if (edac_mc_add_mc(mci)) {
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
- edac_mc_free(mci);
- } else {
- /* get this far and it's successful */
- debugf3("%s(): success\n", __func__);
- rc = 0;
+ goto fail;
}
- return rc;
+ /* get this far and it's successful */
+ debugf3("%s(): success\n", __func__);
+
+ return 0;
+
+fail:
+ edac_mc_free(mci);
+ return -ENODEV;
}
/* returns count (>= 0), or negative on error */
@@ -239,7 +248,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index e1d751d..9423ee5 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -20,6 +20,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define I82875P_REVISION " Ver: 2.0.0 " __DATE__
+
#define i82875p_printk(level, fmt, arg...) \
edac_printk(level, "i82875p", fmt, ##arg)
@@ -184,18 +186,22 @@
static void i82875p_get_error_info(struct mem_ctl_info *mci,
struct i82875p_error_info *info)
{
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+
/*
* This is a mess because there is no atomic way to read all the
* registers at once and the registers can transition from CE being
* overwritten by UE.
*/
- pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts);
- pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap);
- pci_read_config_byte(mci->pdev, I82875P_DES, &info->des);
- pci_read_config_byte(mci->pdev, I82875P_DERRSYN, &info->derrsyn);
- pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts2);
+ pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts);
+ pci_read_config_dword(pdev, I82875P_EAP, &info->eap);
+ pci_read_config_byte(pdev, I82875P_DES, &info->des);
+ pci_read_config_byte(pdev, I82875P_DERRSYN, &info->derrsyn);
+ pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts2);
- pci_write_bits16(mci->pdev, I82875P_ERRSTS, 0x0081, 0x0081);
+ pci_write_bits16(pdev, I82875P_ERRSTS, 0x0081, 0x0081);
/*
* If the error is the same then we can for both reads then
@@ -207,9 +213,9 @@
return;
if ((info->errsts ^ info->errsts2) & 0x0081) {
- pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap);
- pci_read_config_byte(mci->pdev, I82875P_DES, &info->des);
- pci_read_config_byte(mci->pdev, I82875P_DERRSYN,
+ pci_read_config_dword(pdev, I82875P_EAP, &info->eap);
+ pci_read_config_byte(pdev, I82875P_DES, &info->des);
+ pci_read_config_byte(pdev, I82875P_DERRSYN,
&info->derrsyn);
}
}
@@ -258,116 +264,109 @@
extern int pci_proc_attach_device(struct pci_dev *);
#endif
-static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
+/* Return 0 on success or 1 on failure. */
+static int i82875p_setup_overfl_dev(struct pci_dev *pdev,
+ struct pci_dev **ovrfl_pdev, void __iomem **ovrfl_window)
{
- int rc = -ENODEV;
- int index;
- struct mem_ctl_info *mci = NULL;
- struct i82875p_pvt *pvt = NULL;
- unsigned long last_cumul_size;
- struct pci_dev *ovrfl_pdev;
- void __iomem *ovrfl_window = NULL;
- u32 drc;
- u32 drc_chan; /* Number of channels 0=1chan,1=2chan */
- u32 nr_chans;
- u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
- struct i82875p_error_info discard;
+ struct pci_dev *dev;
+ void __iomem *window;
- debugf0("%s()\n", __func__);
- ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
+ *ovrfl_pdev = NULL;
+ *ovrfl_window = NULL;
+ dev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
- if (!ovrfl_pdev) {
- /*
- * Intel tells BIOS developers to hide device 6 which
+ if (dev == NULL) {
+ /* Intel tells BIOS developers to hide device 6 which
* configures the overflow device access containing
* the DRBs - this is where we expose device 6.
* http://www.x86-secret.com/articles/tweak/pat/patsecrets-2.htm
*/
pci_write_bits8(pdev, 0xf4, 0x2, 0x2);
- ovrfl_pdev =
- pci_scan_single_device(pdev->bus, PCI_DEVFN(6, 0));
+ dev = pci_scan_single_device(pdev->bus, PCI_DEVFN(6, 0));
- if (!ovrfl_pdev)
- return -ENODEV;
+ if (dev == NULL)
+ return 1;
}
+ *ovrfl_pdev = dev;
+
#ifdef CONFIG_PROC_FS
- if (!ovrfl_pdev->procent && pci_proc_attach_device(ovrfl_pdev)) {
- i82875p_printk(KERN_ERR,
- "%s(): Failed to attach overflow device\n", __func__);
- return -ENODEV;
+ if ((dev->procent == NULL) && pci_proc_attach_device(dev)) {
+ i82875p_printk(KERN_ERR, "%s(): Failed to attach overflow "
+ "device\n", __func__);
+ return 1;
}
-#endif
- /* CONFIG_PROC_FS */
- if (pci_enable_device(ovrfl_pdev)) {
- i82875p_printk(KERN_ERR,
- "%s(): Failed to enable overflow device\n", __func__);
- return -ENODEV;
+#endif /* CONFIG_PROC_FS */
+ if (pci_enable_device(dev)) {
+ i82875p_printk(KERN_ERR, "%s(): Failed to enable overflow "
+ "device\n", __func__);
+ return 1;
}
- if (pci_request_regions(ovrfl_pdev, pci_name(ovrfl_pdev))) {
+ if (pci_request_regions(dev, pci_name(dev))) {
#ifdef CORRECT_BIOS
goto fail0;
#endif
}
/* cache is irrelevant for PCI bus reads/writes */
- ovrfl_window = ioremap_nocache(pci_resource_start(ovrfl_pdev, 0),
- pci_resource_len(ovrfl_pdev, 0));
+ window = ioremap_nocache(pci_resource_start(dev, 0),
+ pci_resource_len(dev, 0));
- if (!ovrfl_window) {
+ if (window == NULL) {
i82875p_printk(KERN_ERR, "%s(): Failed to ioremap bar6\n",
- __func__);
+ __func__);
goto fail1;
}
- /* need to find out the number of channels */
- drc = readl(ovrfl_window + I82875P_DRC);
- drc_chan = ((drc >> 21) & 0x1);
- nr_chans = drc_chan + 1;
+ *ovrfl_window = window;
+ return 0;
+
+fail1:
+ pci_release_regions(dev);
+
+#ifdef CORRECT_BIOS
+fail0:
+ pci_disable_device(dev);
+#endif
+ /* NOTE: the ovrfl proc entry and pci_dev are intentionally left */
+ return 1;
+}
+
+
+/* Return 1 if dual channel mode is active. Else return 0. */
+static inline int dual_channel_active(u32 drc)
+{
+ return (drc >> 21) & 0x1;
+}
+
+
+static void i82875p_init_csrows(struct mem_ctl_info *mci,
+ struct pci_dev *pdev, void __iomem *ovrfl_window, u32 drc)
+{
+ struct csrow_info *csrow;
+ unsigned long last_cumul_size;
+ u8 value;
+ u32 drc_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */
+ u32 cumul_size;
+ int index;
drc_ddim = (drc >> 18) & 0x1;
- mci = edac_mc_alloc(sizeof(*pvt), I82875P_NR_CSROWS(nr_chans),
- nr_chans);
+ last_cumul_size = 0;
- if (!mci) {
- rc = -ENOMEM;
- goto fail2;
- }
-
- debugf3("%s(): init mci\n", __func__);
- mci->pdev = pdev;
- mci->mtype_cap = MEM_FLAG_DDR;
- mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
- mci->edac_cap = EDAC_FLAG_UNKNOWN;
- /* adjust FLAGS */
-
- mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.5.2.11 $";
- mci->ctl_name = i82875p_devs[dev_idx].ctl_name;
- mci->edac_check = i82875p_check;
- mci->ctl_page_to_phys = NULL;
- debugf3("%s(): init pvt\n", __func__);
- pvt = (struct i82875p_pvt *) mci->pvt_info;
- pvt->ovrfl_pdev = ovrfl_pdev;
- pvt->ovrfl_window = ovrfl_window;
-
- /*
- * The dram row boundary (DRB) reg values are boundary address
+ /* The dram row boundary (DRB) reg values are boundary address
* for each DRAM row with a granularity of 32 or 64MB (single/dual
* channel operation). DRB regs are cumulative; therefore DRB7 will
* contain the total memory contained in all eight rows.
*/
- for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) {
- u8 value;
- u32 cumul_size;
- struct csrow_info *csrow = &mci->csrows[index];
+
+ for (index = 0; index < mci->nr_csrows; index++) {
+ csrow = &mci->csrows[index];
value = readb(ovrfl_window + I82875P_DRB + index);
cumul_size = value << (I82875P_DRB_SHIFT - PAGE_SHIFT);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);
-
if (cumul_size == last_cumul_size)
continue; /* not populated */
@@ -375,35 +374,75 @@
csrow->last_page = cumul_size - 1;
csrow->nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- csrow->grain = 1 << 12; /* I82875P_EAP has 4KiB reolution */
+ csrow->grain = 1 << 12; /* I82875P_EAP has 4KiB reolution */
csrow->mtype = MEM_DDR;
csrow->dtype = DEV_UNKNOWN;
csrow->edac_mode = drc_ddim ? EDAC_SECDED : EDAC_NONE;
}
+}
+static int i82875p_probe1(struct pci_dev *pdev, int dev_idx)
+{
+ int rc = -ENODEV;
+ struct mem_ctl_info *mci;
+ struct i82875p_pvt *pvt;
+ struct pci_dev *ovrfl_pdev;
+ void __iomem *ovrfl_window;
+ u32 drc;
+ u32 nr_chans;
+ struct i82875p_error_info discard;
+
+ debugf0("%s()\n", __func__);
+ ovrfl_pdev = pci_get_device(PCI_VEND_DEV(INTEL, 82875_6), NULL);
+
+ if (i82875p_setup_overfl_dev(pdev, &ovrfl_pdev, &ovrfl_window))
+ return -ENODEV;
+ drc = readl(ovrfl_window + I82875P_DRC);
+ nr_chans = dual_channel_active(drc) + 1;
+ mci = edac_mc_alloc(sizeof(*pvt), I82875P_NR_CSROWS(nr_chans),
+ nr_chans);
+
+ if (!mci) {
+ rc = -ENOMEM;
+ goto fail0;
+ }
+
+ debugf3("%s(): init mci\n", __func__);
+ mci->dev = &pdev->dev;
+ mci->mtype_cap = MEM_FLAG_DDR;
+ mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
+ mci->edac_cap = EDAC_FLAG_UNKNOWN;
+ mci->mod_name = EDAC_MOD_STR;
+ mci->mod_ver = I82875P_REVISION;
+ mci->ctl_name = i82875p_devs[dev_idx].ctl_name;
+ mci->edac_check = i82875p_check;
+ mci->ctl_page_to_phys = NULL;
+ debugf3("%s(): init pvt\n", __func__);
+ pvt = (struct i82875p_pvt *) mci->pvt_info;
+ pvt->ovrfl_pdev = ovrfl_pdev;
+ pvt->ovrfl_window = ovrfl_window;
+ i82875p_init_csrows(mci, pdev, ovrfl_window, drc);
i82875p_get_error_info(mci, &discard); /* clear counters */
- if (edac_mc_add_mc(mci)) {
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
- goto fail3;
+ goto fail1;
}
/* get this far and it's successful */
debugf3("%s(): success\n", __func__);
return 0;
-fail3:
+fail1:
edac_mc_free(mci);
-fail2:
+fail0:
iounmap(ovrfl_window);
-
-fail1:
pci_release_regions(ovrfl_pdev);
-#ifdef CORRECT_BIOS
-fail0:
-#endif
pci_disable_device(ovrfl_pdev);
/* NOTE: the ovrfl proc entry and pci_dev are intentionally left */
return rc;
@@ -436,7 +475,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
pvt = (struct i82875p_pvt *) mci->pvt_info;
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index 4275b14..a0e248d 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -22,6 +22,8 @@
#include <linux/slab.h>
#include "edac_mc.h"
+#define R82600_REVISION " Ver: 2.0.0 " __DATE__
+
#define r82600_printk(level, fmt, arg...) \
edac_printk(level, "r82600", fmt, ##arg)
@@ -133,17 +135,20 @@
static void r82600_get_error_info (struct mem_ctl_info *mci,
struct r82600_error_info *info)
{
- pci_read_config_dword(mci->pdev, R82600_EAP, &info->eapr);
+ struct pci_dev *pdev;
+
+ pdev = to_pci_dev(mci->dev);
+ pci_read_config_dword(pdev, R82600_EAP, &info->eapr);
if (info->eapr & BIT(0))
/* Clear error to allow next error to be reported [p.62] */
- pci_write_bits32(mci->pdev, R82600_EAP,
+ pci_write_bits32(pdev, R82600_EAP,
((u32) BIT(0) & (u32) BIT(1)),
((u32) BIT(0) & (u32) BIT(1)));
if (info->eapr & BIT(1))
/* Clear error to allow next error to be reported [p.62] */
- pci_write_bits32(mci->pdev, R82600_EAP,
+ pci_write_bits32(pdev, R82600_EAP,
((u32) BIT(0) & (u32) BIT(1)),
((u32) BIT(0) & (u32) BIT(1)));
}
@@ -199,88 +204,44 @@
r82600_process_error_info(mci, &info, 1);
}
-static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
+static inline int ecc_enabled(u8 dramcr)
{
- int rc = -ENODEV;
+ return dramcr & BIT(5);
+}
+
+static void r82600_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
+ u8 dramcr)
+{
+ struct csrow_info *csrow;
int index;
- struct mem_ctl_info *mci = NULL;
- u8 dramcr;
- u32 ecc_on;
- u32 reg_sdram;
- u32 eapr;
- u32 scrub_disabled;
- u32 sdram_refresh_rate;
- u32 row_high_limit_last = 0;
- struct r82600_error_info discard;
+ u8 drbar; /* SDRAM Row Boundry Address Register */
+ u32 row_high_limit, row_high_limit_last;
+ u32 reg_sdram, ecc_on, row_base;
- debugf0("%s()\n", __func__);
- pci_read_config_byte(pdev, R82600_DRAMC, &dramcr);
- pci_read_config_dword(pdev, R82600_EAP, &eapr);
- ecc_on = dramcr & BIT(5);
+ ecc_on = ecc_enabled(dramcr);
reg_sdram = dramcr & BIT(4);
- scrub_disabled = eapr & BIT(31);
- sdram_refresh_rate = dramcr & (BIT(0) | BIT(1));
- debugf2("%s(): sdram refresh rate = %#0x\n", __func__,
- sdram_refresh_rate);
- debugf2("%s(): DRAMC register = %#0x\n", __func__, dramcr);
- mci = edac_mc_alloc(0, R82600_NR_CSROWS, R82600_NR_CHANS);
-
- if (mci == NULL) {
- rc = -ENOMEM;
- goto fail;
- }
-
- debugf0("%s(): mci = %p\n", __func__, mci);
- mci->pdev = pdev;
- mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR;
- mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
- /* FIXME try to work out if the chip leads have been used for COM2
- * instead on this board? [MA6?] MAYBE:
- */
-
- /* On the R82600, the pins for memory bits 72:65 - i.e. the *
- * EC bits are shared with the pins for COM2 (!), so if COM2 *
- * is enabled, we assume COM2 is wired up, and thus no EDAC *
- * is possible. */
- mci->edac_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
-
- if (ecc_on) {
- if (scrub_disabled)
- debugf3("%s(): mci = %p - Scrubbing disabled! EAP: "
- "%#0x\n", __func__, mci, eapr);
- } else
- mci->edac_cap = EDAC_FLAG_NONE;
-
- mci->mod_name = EDAC_MOD_STR;
- mci->mod_ver = "$Revision: 1.1.2.6 $";
- mci->ctl_name = "R82600";
- mci->edac_check = r82600_check;
- mci->ctl_page_to_phys = NULL;
+ row_high_limit_last = 0;
for (index = 0; index < mci->nr_csrows; index++) {
- struct csrow_info *csrow = &mci->csrows[index];
- u8 drbar; /* sDram Row Boundry Address Register */
- u32 row_high_limit;
- u32 row_base;
+ csrow = &mci->csrows[index];
/* find the DRAM Chip Select Base address and mask */
- pci_read_config_byte(mci->pdev, R82600_DRBA + index, &drbar);
+ pci_read_config_byte(pdev, R82600_DRBA + index, &drbar);
- debugf1("MC%d: %s() Row=%d DRBA = %#0x\n", mci->mc_idx,
- __func__, index, drbar);
+ debugf1("%s() Row=%d DRBA = %#0x\n", __func__, index, drbar);
row_high_limit = ((u32) drbar << 24);
/* row_high_limit = ((u32)drbar << 24) | 0xffffffUL; */
- debugf1("MC%d: %s() Row=%d, Boundry Address=%#0x, Last = "
- "%#0x \n", mci->mc_idx, __func__, index,
- row_high_limit, row_high_limit_last);
+ debugf1("%s() Row=%d, Boundry Address=%#0x, Last = %#0x\n",
+ __func__, index, row_high_limit, row_high_limit_last);
/* Empty row [p.57] */
if (row_high_limit == row_high_limit_last)
continue;
row_base = row_high_limit_last;
+
csrow->first_page = row_base >> PAGE_SHIFT;
csrow->last_page = (row_high_limit >> PAGE_SHIFT) - 1;
csrow->nr_pages = csrow->last_page - csrow->first_page + 1;
@@ -295,10 +256,63 @@
csrow->edac_mode = ecc_on ? EDAC_SECDED : EDAC_NONE;
row_high_limit_last = row_high_limit;
}
+}
+static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
+{
+ struct mem_ctl_info *mci;
+ u8 dramcr;
+ u32 eapr;
+ u32 scrub_disabled;
+ u32 sdram_refresh_rate;
+ struct r82600_error_info discard;
+
+ debugf0("%s()\n", __func__);
+ pci_read_config_byte(pdev, R82600_DRAMC, &dramcr);
+ pci_read_config_dword(pdev, R82600_EAP, &eapr);
+ scrub_disabled = eapr & BIT(31);
+ sdram_refresh_rate = dramcr & (BIT(0) | BIT(1));
+ debugf2("%s(): sdram refresh rate = %#0x\n", __func__,
+ sdram_refresh_rate);
+ debugf2("%s(): DRAMC register = %#0x\n", __func__, dramcr);
+ mci = edac_mc_alloc(0, R82600_NR_CSROWS, R82600_NR_CHANS);
+
+ if (mci == NULL)
+ return -ENOMEM;
+
+ debugf0("%s(): mci = %p\n", __func__, mci);
+ mci->dev = &pdev->dev;
+ mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR;
+ mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
+ /* FIXME try to work out if the chip leads have been used for COM2
+ * instead on this board? [MA6?] MAYBE:
+ */
+
+ /* On the R82600, the pins for memory bits 72:65 - i.e. the *
+ * EC bits are shared with the pins for COM2 (!), so if COM2 *
+ * is enabled, we assume COM2 is wired up, and thus no EDAC *
+ * is possible. */
+ mci->edac_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
+
+ if (ecc_enabled(dramcr)) {
+ if (scrub_disabled)
+ debugf3("%s(): mci = %p - Scrubbing disabled! EAP: "
+ "%#0x\n", __func__, mci, eapr);
+ } else
+ mci->edac_cap = EDAC_FLAG_NONE;
+
+ mci->mod_name = EDAC_MOD_STR;
+ mci->mod_ver = R82600_REVISION;
+ mci->ctl_name = "R82600";
+ mci->edac_check = r82600_check;
+ mci->ctl_page_to_phys = NULL;
+ r82600_init_csrows(mci, pdev, dramcr);
r82600_get_error_info(mci, &discard); /* clear counters */
- if (edac_mc_add_mc(mci)) {
+ /* Here we assume that we will never see multiple instances of this
+ * type of memory controller. The ID is therefore hardcoded to 0.
+ */
+ if (edac_mc_add_mc(mci,0)) {
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
goto fail;
}
@@ -308,17 +322,15 @@
if (disable_hardware_scrub) {
debugf3("%s(): Disabling Hardware Scrub (scrub on error)\n",
__func__);
- pci_write_bits32(mci->pdev, R82600_EAP, BIT(31), BIT(31));
+ pci_write_bits32(pdev, R82600_EAP, BIT(31), BIT(31));
}
debugf3("%s(): success\n", __func__);
return 0;
fail:
- if (mci)
- edac_mc_free(mci);
-
- return rc;
+ edac_mc_free(mci);
+ return -ENODEV;
}
/* returns count (>= 0), or negative on error */
@@ -337,7 +349,7 @@
debugf0("%s()\n", __func__);
- if ((mci = edac_mc_del_mc(pdev)) == NULL)
+ if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
return;
edac_mc_free(mci);
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 8b46ef7..7be1d0a 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -494,8 +494,8 @@
err = pci_request_region(dev, SMBBAR, i801_driver.name);
if (err) {
dev_err(&dev->dev, "Failed to request SMBus region "
- "0x%lx-0x%lx\n", i801_smba,
- pci_resource_end(dev, SMBBAR));
+ "0x%lx-0x%Lx\n", i801_smba,
+ (unsigned long long)pci_resource_end(dev, SMBBAR));
goto exit;
}
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 602797a..b7e459e 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -146,7 +146,16 @@
kfree(link->priv);
} /* ide_detach */
-static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
+static void idecs_mmio_fixup(ide_hwif_t *hwif)
+{
+ default_hwif_mmiops(hwif);
+ hwif->mmio = 2;
+
+ ide_undecoded_slave(hwif);
+}
+
+static int idecs_register(unsigned long io, unsigned long ctl,
+ unsigned long irq, struct pcmcia_device *handle, int is_mmio)
{
hw_regs_t hw;
memset(&hw, 0, sizeof(hw));
@@ -154,7 +163,19 @@
hw.irq = irq;
hw.chipset = ide_pci;
hw.dev = &handle->dev;
- return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
+
+ if(is_mmio)
+ return ide_register_hw_with_fixup(&hw, NULL, idecs_mmio_fixup);
+ else
+ return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
+}
+
+void outb_io(unsigned char value, unsigned long port) {
+ outb(value, port);
+}
+
+void outb_mem(unsigned char value, unsigned long port) {
+ writeb(value, (void __iomem *) port);
}
/*======================================================================
@@ -180,7 +201,8 @@
} *stk = NULL;
cistpl_cftable_entry_t *cfg;
int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
- unsigned long io_base, ctl_base;
+ unsigned long io_base, ctl_base, is_mmio, try_slave;
+ void (*my_outb)(unsigned char, unsigned long);
DEBUG(0, "ide_config(0x%p)\n", link);
@@ -210,7 +232,7 @@
/* Not sure if this is right... look up the current Vcc */
CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));
- pass = io_base = ctl_base = 0;
+ pass = io_base = ctl_base = is_mmio = try_slave = 0;
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
tuple.Attributes = 0;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
@@ -258,11 +280,45 @@
goto next_entry;
io_base = link->io.BasePort1;
ctl_base = link->io.BasePort1 + 0x0e;
+
+ if (io->win[0].len >= 0x20)
+ try_slave = 1;
+
} else goto next_entry;
/* If we've got this far, we're done */
break;
}
+ if ((cfg->mem.nwin > 0) || (stk->dflt.mem.nwin > 0)) {
+ win_req_t req;
+ memreq_t map;
+ cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &stk->dflt.mem;
+
+ if (mem->win[0].len < 16)
+ goto next_entry;
+
+ req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+ req.Attributes |= WIN_ENABLE;
+ req.Base = mem->win[0].host_addr;
+ req.Size = 0;
+
+ req.AccessSpeed = 0;
+ if (pcmcia_request_window(&link, &req, &link->win) != 0)
+ goto next_entry;
+ map.Page = 0; map.CardOffset = mem->win[0].card_addr;
+ if (pcmcia_map_mem_page(link->win, &map) != 0)
+ goto next_entry;
+
+ io_base = (unsigned long) ioremap(req.Base, req.Size);
+ ctl_base = io_base + 0x0e;
+ is_mmio = 1;
+
+ if (mem->win[0].len >= 0x20)
+ try_slave = 1;
+
+ break;
+ }
+
next_entry:
if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
@@ -278,21 +334,26 @@
CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+ if(is_mmio)
+ my_outb = outb_mem;
+ else
+ my_outb = outb_io;
+
/* disable drive interrupts during IDE probe */
- outb(0x02, ctl_base);
+ my_outb(0x02, ctl_base);
/* special setup for KXLC005 card */
if (is_kme)
- outb(0x81, ctl_base+1);
+ my_outb(0x81, ctl_base+1);
/* retry registration in case device is still spinning up */
for (hd = -1, i = 0; i < 10; i++) {
- hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
+ hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link, is_mmio);
if (hd >= 0) break;
- if (link->io.NumPorts1 == 0x20) {
- outb(0x02, ctl_base + 0x10);
+ if (try_slave) {
+ my_outb(0x02, ctl_base + 0x10);
hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
- link->irq.AssignedIRQ, link);
+ link->irq.AssignedIRQ, link, is_mmio);
if (hd >= 0) {
io_base += 0x10;
ctl_base += 0x10;
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 4c3f2de..b2c033e 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -54,7 +54,6 @@
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/ioctl.h>
-#include <linux/devfs_fs_kernel.h>
#include <linux/cdev.h>
#include <linux/in.h>
#include <linux/net.h>
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 5e8bb41a..59ac35d 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -570,7 +570,8 @@
dvb_frontend_add_event(fe, s);
fepriv->status = s;
}
- }
+ } else
+ dvb_frontend_swzigzag(fe);
} else
dvb_frontend_swzigzag(fe);
}
@@ -975,6 +976,7 @@
case FE_SET_FRONTEND_TUNE_MODE:
fepriv->tune_mode_flags = (unsigned long) parg;
+ err = 0;
break;
};
diff --git a/drivers/media/dvb/frontends/cx22700.c b/drivers/media/dvb/frontends/cx22700.c
index 3c7c09a..13ad1bf 100644
--- a/drivers/media/dvb/frontends/cx22700.c
+++ b/drivers/media/dvb/frontends/cx22700.c
@@ -134,6 +134,7 @@
return -EINVAL;
if (p->code_rate_LP < FEC_1_2 || p->code_rate_LP > FEC_7_8)
+ return -EINVAL;
if (p->code_rate_HP == FEC_4_5 || p->code_rate_LP == FEC_4_5)
return -EINVAL;
diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c
index f2f795c..274a87b 100644
--- a/drivers/media/dvb/frontends/cx24123.c
+++ b/drivers/media/dvb/frontends/cx24123.c
@@ -670,10 +670,10 @@
switch (voltage) {
case SEC_VOLTAGE_13:
dprintk("%s: setting voltage 13V\n", __FUNCTION__);
- return cx24123_writereg(state, 0x29, val | 0x80);
+ return cx24123_writereg(state, 0x29, val & 0x7f);
case SEC_VOLTAGE_18:
dprintk("%s: setting voltage 18V\n", __FUNCTION__);
- return cx24123_writereg(state, 0x29, val & 0x7f);
+ return cx24123_writereg(state, 0x29, val | 0x80);
default:
return -EINVAL;
};
diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 6163cb0..5f111d4 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -1141,6 +1141,15 @@
break;
case SUBID_DVBC_KNC1:
+ budget_av->reinitialise_demod = 1;
+ fe = tda10021_attach(&philips_cu1216_config,
+ &budget_av->budget.i2c_adap,
+ read_pwm(budget_av));
+ if (fe) {
+ fe->ops.tuner_ops.set_params = philips_cu1216_tuner_set_params;
+ }
+ break;
+
case SUBID_DVBC_KNC1_PLUS:
case SUBID_DVBC_CINERGY1200:
budget_av->reinitialise_demod = 1;
@@ -1293,11 +1302,7 @@
budget_av->budget.dvb_adapter.priv = budget_av;
frontend_init(budget_av);
-
- if (!budget_av->has_saa7113) {
- ciintf_init(budget_av);
- }
-
+ ciintf_init(budget_av);
return 0;
}
diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c
index df57633..de14818 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -3547,11 +3547,6 @@
/* Hybrid DVB card, DOES have a tda9887 */
if (btv->c.type == BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE)
tda9887 = 1;
- if((btv->tuner_type == TUNER_PHILIPS_FM1216ME_MK3) ||
- (btv->tuner_type == TUNER_PHILIPS_FM1236_MK3) ||
- (btv->tuner_type == TUNER_PHILIPS_FM1256_IH3) ||
- tda9887)
- request_module("tda9887");
if (btv->tuner_type != UNSET)
request_module("tuner");
}
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 4ff8158..349632b 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -686,6 +686,39 @@
/* ------------------------------------------------------------------ */
+static const u32 *ctrl_classes[] = {
+ cx88_user_ctrls,
+ cx2341x_mpeg_ctrls,
+ NULL
+};
+
+static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
+{
+ qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
+ if (qctrl->id == 0)
+ return -EINVAL;
+
+ /* Standard V4L2 controls */
+ if (cx8800_ctrl_query(qctrl) == 0)
+ return 0;
+
+ /* MPEG V4L2 controls */
+ if (cx2341x_ctrl_query(&dev->params, qctrl))
+ qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
+ return 0;
+}
+
+static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
+{
+ struct v4l2_queryctrl qctrl;
+
+ qctrl.id = qmenu->id;
+ blackbird_queryctrl(dev, &qctrl);
+ return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
+}
+
+/* ------------------------------------------------------------------ */
+
static int mpeg_do_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, void *arg)
{
@@ -866,6 +899,16 @@
core->name);
return 0;
}
+ case VIDIOC_QUERYMENU:
+ return blackbird_querymenu(dev, arg);
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *c = arg;
+
+ if (blackbird_queryctrl(dev, c) == 0)
+ return 0;
+ return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
+ }
default:
return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index f9d68f2..14bd486 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1194,6 +1194,21 @@
}},
.dvb = 1,
},
+ [CX88_BOARD_GENIATECH_DVBS] = {
+ .name = "Geniatech DVB-S",
+ .tuner_type = TUNER_ABSENT,
+ .radio_type = UNSET,
+ .tuner_addr = ADDR_UNSET,
+ .radio_addr = ADDR_UNSET,
+ .input = {{
+ .type = CX88_VMUX_DVB,
+ .vmux = 0,
+ },{
+ .type = CX88_VMUX_COMPOSITE1,
+ .vmux = 1,
+ }},
+ .dvb = 1,
+ },
};
const unsigned int cx88_bcount = ARRAY_SIZE(cx88_boards);
@@ -1439,6 +1454,10 @@
.subvendor = 0x18ac,
.subdevice = 0xd800, /* FusionHDTV 3 Gold (original revision) */
.card = CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q,
+ },{
+ .subvendor = 0x14f1,
+ .subdevice = 0x0084,
+ .card = CX88_BOARD_GENIATECH_DVBS,
},
};
const unsigned int cx88_idcount = ARRAY_SIZE(cx88_subids);
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index dce1fed..afde378 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -496,6 +496,26 @@
return 0;
}
+static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+ struct cx8802_dev *dev= fe->dvb->priv;
+ struct cx88_core *core = dev->core;
+
+ if (voltage == SEC_VOLTAGE_OFF) {
+ dprintk(1,"LNB Voltage OFF\n");
+ cx_write(MO_GP0_IO, 0x0000efff);
+ }
+
+ if (core->prev_set_voltage)
+ return core->prev_set_voltage(fe, voltage);
+ return 0;
+}
+
+static struct cx24123_config geniatech_dvbs_config = {
+ .demod_address = 0x55,
+ .set_ts_params = cx24123_set_ts_param,
+};
+
static struct cx24123_config hauppauge_novas_config = {
.demod_address = 0x55,
.set_ts_params = cx24123_set_ts_param,
@@ -760,6 +780,14 @@
dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
}
break;
+ case CX88_BOARD_GENIATECH_DVBS:
+ dev->dvb.frontend = cx24123_attach(&geniatech_dvbs_config,
+ &dev->core->i2c_adap);
+ if (dev->dvb.frontend) {
+ dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
+ dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
+ }
+ break;
#endif
default:
printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 8d5cf47..c538d99 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -327,6 +327,51 @@
};
static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
+const u32 cx88_user_ctrls[] = {
+ V4L2_CID_USER_CLASS,
+ V4L2_CID_BRIGHTNESS,
+ V4L2_CID_CONTRAST,
+ V4L2_CID_SATURATION,
+ V4L2_CID_HUE,
+ V4L2_CID_AUDIO_VOLUME,
+ V4L2_CID_AUDIO_BALANCE,
+ V4L2_CID_AUDIO_MUTE,
+ 0
+};
+EXPORT_SYMBOL(cx88_user_ctrls);
+
+static const u32 *ctrl_classes[] = {
+ cx88_user_ctrls,
+ NULL
+};
+
+int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl)
+{
+ int i;
+
+ if (qctrl->id < V4L2_CID_BASE ||
+ qctrl->id >= V4L2_CID_LASTP1)
+ return -EINVAL;
+ for (i = 0; i < CX8800_CTLS; i++)
+ if (cx8800_ctls[i].v.id == qctrl->id)
+ break;
+ if (i == CX8800_CTLS) {
+ *qctrl = no_ctl;
+ return 0;
+ }
+ *qctrl = cx8800_ctls[i].v;
+ return 0;
+}
+EXPORT_SYMBOL(cx8800_ctrl_query);
+
+static int cx88_queryctrl(struct v4l2_queryctrl *qctrl)
+{
+ qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
+ if (qctrl->id == 0)
+ return -EINVAL;
+ return cx8800_ctrl_query(qctrl);
+}
+
/* ------------------------------------------------------------------- */
/* resource management */
@@ -1362,20 +1407,8 @@
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *c = arg;
- int i;
- if (c->id < V4L2_CID_BASE ||
- c->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- for (i = 0; i < CX8800_CTLS; i++)
- if (cx8800_ctls[i].v.id == c->id)
- break;
- if (i == CX8800_CTLS) {
- *c = no_ctl;
- return 0;
- }
- *c = cx8800_ctls[i].v;
- return 0;
+ return cx88_queryctrl(c);
}
case VIDIOC_G_CTRL:
return get_control(core,arg);
@@ -1893,8 +1926,6 @@
/* load and configure helper modules */
if (TUNER_ABSENT != core->tuner_type)
request_module("tuner");
- if (core->tda9887_conf)
- request_module("tda9887");
/* register v4l devices */
dev->video_dev = cx88_vdev_init(core,dev->pci,
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 9a9a0fc..e781095 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -196,6 +196,7 @@
#define CX88_BOARD_PIXELVIEW_PLAYTV_P7000 49
#define CX88_BOARD_NPGTECH_REALTV_TOP10FM 50
#define CX88_BOARD_WINFAST_DTV2000H 51
+#define CX88_BOARD_GENIATECH_DVBS 52
enum cx88_itype {
CX88_VMUX_COMPOSITE1 = 1,
@@ -590,6 +591,8 @@
extern int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
struct cx88_core *core, unsigned int cmd,
void *arg, v4l2_kioctl driver_ioctl);
+extern const u32 cx88_user_ctrls[];
+extern int cx8800_ctrl_query(struct v4l2_queryctrl *qctrl);
/*
* Local variables:
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 9286090..2a461dde4 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -1574,8 +1574,6 @@
request_module("tvp5150");
if (dev->has_tuner)
request_module("tuner");
- if (dev->tda9887_conf)
- request_module("tda9887");
#endif
errCode = em28xx_config(dev);
if (errCode) {
diff --git a/drivers/media/video/msp3400-driver.h b/drivers/media/video/msp3400-driver.h
index 4e45104..545e4ac 100644
--- a/drivers/media/video/msp3400-driver.h
+++ b/drivers/media/video/msp3400-driver.h
@@ -90,8 +90,8 @@
/* thread */
struct task_struct *kthread;
wait_queue_head_t wq;
- int restart:1;
- int watch_stereo:1;
+ unsigned int restart:1;
+ unsigned int watch_stereo:1;
};
/* msp3400-driver.c */
diff --git a/drivers/media/video/pvrusb2/Makefile b/drivers/media/video/pvrusb2/Makefile
index fed603a..02e4142 100644
--- a/drivers/media/video/pvrusb2/Makefile
+++ b/drivers/media/video/pvrusb2/Makefile
@@ -8,7 +8,7 @@
pvrusb2-objs := pvrusb2-i2c-core.o pvrusb2-i2c-cmd-v4l2.o \
pvrusb2-audio.o pvrusb2-i2c-chips-v4l2.o \
pvrusb2-encoder.o pvrusb2-video-v4l.o \
- pvrusb2-eeprom.o pvrusb2-tuner.o pvrusb2-demod.o \
+ pvrusb2-eeprom.o pvrusb2-tuner.o \
pvrusb2-main.o pvrusb2-hdw.o pvrusb2-v4l2.o \
pvrusb2-ctrl.o pvrusb2-std.o \
pvrusb2-context.o pvrusb2-io.o pvrusb2-ioread.o \
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
index 313d2dc..9846c46 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -145,8 +145,8 @@
static void pvr2_msp3400_detach(struct pvr2_msp3400_handler *ctxt)
{
- ctxt->client->handler = 0;
- ctxt->hdw->audio_stat = 0;
+ ctxt->client->handler = NULL;
+ ctxt->hdw->audio_stat = NULL;
kfree(ctxt);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
index 40dc598..f129f31 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -77,7 +77,7 @@
const struct usb_device_id *devid,
void (*setup_func)(struct pvr2_context *))
{
- struct pvr2_context *mp = 0;
+ struct pvr2_context *mp = NULL;
mp = kmalloc(sizeof(*mp),GFP_KERNEL);
if (!mp) goto done;
memset(mp,0,sizeof(*mp));
@@ -87,7 +87,7 @@
mp->hdw = pvr2_hdw_create(intf,devid);
if (!mp->hdw) {
pvr2_context_destroy(mp);
- mp = 0;
+ mp = NULL;
goto done;
}
@@ -145,7 +145,7 @@
{
cp->hdw = mp->hdw;
cp->mc_head = mp;
- cp->mc_next = 0;
+ cp->mc_next = NULL;
cp->mc_prev = mp->mc_last;
if (mp->mc_last) {
mp->mc_last->mc_next = cp;
@@ -160,8 +160,8 @@
{
if (!cp->stream) return;
pvr2_stream_kill(cp->stream->stream);
- cp->stream->user = 0;
- cp->stream = 0;
+ cp->stream->user = NULL;
+ cp->stream = NULL;
}
@@ -179,7 +179,7 @@
} else {
mp->mc_first = cp->mc_next;
}
- cp->hdw = 0;
+ cp->hdw = NULL;
}
@@ -212,7 +212,7 @@
{
struct pvr2_ioread *cp;
cp = pvr2_ioread_create();
- if (!cp) return 0;
+ if (!cp) return NULL;
pvr2_ioread_setup(cp,sp->stream);
pvr2_ioread_set_sync_key(cp,stream_sync_key,sizeof(stream_sync_key));
return cp;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
index d5df9fb..fb6198f 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
@@ -158,7 +158,7 @@
/* Retrieve the control's name */
const char *pvr2_ctrl_get_name(struct pvr2_ctrl *cptr)
{
- if (!cptr) return 0;
+ if (!cptr) return NULL;
return cptr->info->name;
}
@@ -166,7 +166,7 @@
/* Retrieve the control's desc */
const char *pvr2_ctrl_get_desc(struct pvr2_ctrl *cptr)
{
- if (!cptr) return 0;
+ if (!cptr) return NULL;
return cptr->info->desc;
}
@@ -488,7 +488,7 @@
LOCK_TAKE(cptr->hdw->big_lock); do {
if (cptr->info->type == pvr2_ctl_int) {
- ret = parse_token(ptr,len,valptr,0,0);
+ ret = parse_token(ptr,len,valptr,NULL,0);
if ((ret >= 0) &&
((*valptr < cptr->info->def.type_int.min_value) ||
(*valptr > cptr->info->def.type_int.max_value))) {
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index 27eadaf..c80c26b 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -139,8 +139,8 @@
static void decoder_detach(struct pvr2_v4l_cx2584x *ctxt)
{
- ctxt->client->handler = 0;
- ctxt->hdw->decoder_ctrl = 0;
+ ctxt->client->handler = NULL;
+ ctxt->hdw->decoder_ctrl = NULL;
kfree(ctxt);
}
@@ -221,7 +221,7 @@
static void decoder_reset(struct pvr2_v4l_cx2584x *ctxt)
{
int ret;
- ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,0);
+ ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,NULL);
pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_reset (ret=%d)",ret);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
index 586900e..f985f00 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c
@@ -82,7 +82,7 @@
unsigned int wlen;
unsigned int scnt;
- wptr = 0;
+ wptr = NULL;
wlen = 0;
scnt = debugifc_count_whitespace(buf,count);
consume_cnt += scnt; count -= scnt; buf += scnt;
@@ -337,8 +337,8 @@
}
-int pvr2_debugifc_do1cmd(struct pvr2_hdw *hdw,const char *buf,
- unsigned int count)
+static int pvr2_debugifc_do1cmd(struct pvr2_hdw *hdw,const char *buf,
+ unsigned int count)
{
const char *wptr;
unsigned int wlen;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-demod.c b/drivers/media/video/pvrusb2/pvrusb2-demod.c
deleted file mode 100644
index 9686569..0000000
--- a/drivers/media/video/pvrusb2/pvrusb2-demod.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- *
- * $Id$
- *
- * Copyright (C) 2005 Mike Isely <isely@pobox.com>
- * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "pvrusb2.h"
-#include "pvrusb2-util.h"
-#include "pvrusb2-demod.h"
-#include "pvrusb2-hdw-internal.h"
-#include "pvrusb2-debug.h"
-#include <linux/videodev2.h>
-#include <media/tuner.h>
-#include <media/v4l2-common.h>
-
-
-struct pvr2_demod_handler {
- struct pvr2_hdw *hdw;
- struct pvr2_i2c_client *client;
- struct pvr2_i2c_handler i2c_handler;
- int type_update_fl;
-};
-
-
-static void set_config(struct pvr2_demod_handler *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- int cfg = 0;
-
- switch (hdw->tuner_type) {
- case TUNER_PHILIPS_FM1216ME_MK3:
- case TUNER_PHILIPS_FM1236_MK3:
- cfg = TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE;
- break;
- default:
- break;
- }
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c demod set_config(0x%x)",cfg);
- pvr2_i2c_client_cmd(ctxt->client,TDA9887_SET_CONFIG,&cfg);
- ctxt->type_update_fl = 0;
-}
-
-
-static int demod_check(struct pvr2_demod_handler *ctxt)
-{
- struct pvr2_hdw *hdw = ctxt->hdw;
- if (hdw->tuner_updated) ctxt->type_update_fl = !0;
- return ctxt->type_update_fl != 0;
-}
-
-
-static void demod_update(struct pvr2_demod_handler *ctxt)
-{
- if (ctxt->type_update_fl) set_config(ctxt);
-}
-
-
-static void demod_detach(struct pvr2_demod_handler *ctxt)
-{
- ctxt->client->handler = 0;
- kfree(ctxt);
-}
-
-
-static unsigned int demod_describe(struct pvr2_demod_handler *ctxt,char *buf,unsigned int cnt)
-{
- return scnprintf(buf,cnt,"handler: pvrusb2-demod");
-}
-
-
-const static struct pvr2_i2c_handler_functions tuner_funcs = {
- .detach = (void (*)(void *))demod_detach,
- .check = (int (*)(void *))demod_check,
- .update = (void (*)(void *))demod_update,
- .describe = (unsigned int (*)(void *,char *,unsigned int))demod_describe,
-};
-
-
-int pvr2_i2c_demod_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp)
-{
- struct pvr2_demod_handler *ctxt;
- if (cp->handler) return 0;
-
- ctxt = kmalloc(sizeof(*ctxt),GFP_KERNEL);
- if (!ctxt) return 0;
- memset(ctxt,0,sizeof(*ctxt));
-
- ctxt->i2c_handler.func_data = ctxt;
- ctxt->i2c_handler.func_table = &tuner_funcs;
- ctxt->type_update_fl = !0;
- ctxt->client = cp;
- ctxt->hdw = hdw;
- cp->handler = &ctxt->i2c_handler;
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x tda9887 V4L2 handler set up",
- cp->client->addr);
- return !0;
-}
-
-
-
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 70 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-demod.h b/drivers/media/video/pvrusb2/pvrusb2-demod.h
deleted file mode 100644
index 4c4e40f..0000000
--- a/drivers/media/video/pvrusb2/pvrusb2-demod.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- *
- * $Id$
- *
- * Copyright (C) 2005 Mike Isely <isely@pobox.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-#ifndef __PVRUSB2_DEMOD_H
-#define __PVRUSB2_DEMOD_H
-
-#include "pvrusb2-i2c-core.h"
-
-int pvr2_i2c_demod_setup(struct pvr2_hdw *,struct pvr2_i2c_client *);
-
-#endif /* __PVRUSB2_DEMOD_H */
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 70 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-eeprom.c b/drivers/media/video/pvrusb2/pvrusb2-eeprom.c
index 94d383f..6cff8e7 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-eeprom.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-eeprom.c
@@ -58,7 +58,7 @@
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Failed to allocate memory"
" required to read eeprom");
- return 0;
+ return NULL;
}
trace_eeprom("Value for eeprom addr from controller was 0x%x",
@@ -108,7 +108,7 @@
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"eeprom fetch set offs err=%d",ret);
kfree(eeprom);
- return 0;
+ return NULL;
}
}
return eeprom;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
index 2cc3169..18a7073 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
@@ -65,7 +65,7 @@
}
ret = pvr2_send_request(hdw,
hdw->cmd_buffer,1+(chunkCnt*7),
- 0,0);
+ NULL,0);
if (ret) return ret;
data += chunkCnt;
dlen -= chunkCnt;
@@ -322,7 +322,7 @@
}
ret = cx2341x_update(hdw,pvr2_encoder_cmd,
- (hdw->enc_cur_valid ? &hdw->enc_cur_state : 0),
+ (hdw->enc_cur_valid ? &hdw->enc_cur_state : NULL),
&hdw->enc_ctl_state);
if (ret) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
index ba2afbf..0d6dc33 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h
@@ -354,23 +354,6 @@
unsigned int control_cnt;
};
-int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw);
-
-unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *);
-
-void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw,
- unsigned long msk,unsigned long val);
-void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw,
- unsigned long msk,
- unsigned long val);
-
-void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw);
-void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw);
-
-int pvr2_i2c_basic_op(struct pvr2_hdw *,u8 i2c_addr,
- u8 *wdata,u16 wlen,
- u8 *rdata,u16 rlen);
-
#endif /* __PVRUSB2_HDW_INTERNAL_H */
/*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 643c471..9b48abc 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -63,7 +63,6 @@
static const char *pvr2_client_24xxx[] = {
"cx25840",
"tuner",
- "tda9887",
"wm8775",
};
#endif
@@ -73,7 +72,6 @@
"msp3400",
"saa7115",
"tuner",
- "tda9887",
};
static struct pvr2_string_table pvr2_client_lists[] = {
@@ -89,8 +87,8 @@
#endif
};
-static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = 0};
-DECLARE_MUTEX(pvr2_unit_sem);
+static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
+static DECLARE_MUTEX(pvr2_unit_sem);
static int ctlchg = 0;
static int initusbreset = 1;
@@ -263,6 +261,25 @@
[PVR2_SUBSYS_B_ENC_RUN] = "enc_run",
};
+static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl);
+static int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw);
+static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw);
+static unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw);
+static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw);
+static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw);
+static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw);
+static void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw,
+ unsigned long msk,
+ unsigned long val);
+static void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw,
+ unsigned long msk,
+ unsigned long val);
+static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
+ unsigned int timeout,int probe_fl,
+ void *write_data,unsigned int write_len,
+ void *read_data,unsigned int read_len);
+static int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res);
+static int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res);
static int ctrl_channelfreq_get(struct pvr2_ctrl *cptr,int *vp)
{
@@ -405,7 +422,7 @@
info = (struct pvr2_ctl_info *)(cptr->info);
if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) {
if (info->set_value) {
- info->set_value = 0;
+ info->set_value = NULL;
}
} else {
if (!(info->set_value)) {
@@ -836,14 +853,6 @@
}
-struct pvr2_hdw *pvr2_hdw_find(int unit_number)
-{
- if (unit_number < 0) return 0;
- if (unit_number >= PVR_NUM) return 0;
- return unit_pointers[unit_number];
-}
-
-
int pvr2_hdw_get_unit_number(struct pvr2_hdw *hdw)
{
return hdw->unit_number;
@@ -917,9 +926,9 @@
* is not suitable for an usb transaction.
*
*/
-int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
+static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
{
- const struct firmware *fw_entry = 0;
+ const struct firmware *fw_entry = NULL;
void *fw_ptr;
unsigned int pipe;
int ret;
@@ -1015,7 +1024,7 @@
int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
{
- const struct firmware *fw_entry = 0;
+ const struct firmware *fw_entry = NULL;
void *fw_ptr;
unsigned int pipe, fw_len, fw_done;
int actual_length;
@@ -1166,8 +1175,9 @@
reconfigure and start over.
*/
-void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw,
- unsigned long msk,unsigned long val)
+static void pvr2_hdw_subsys_bit_chg_no_lock(struct pvr2_hdw *hdw,
+ unsigned long msk,
+ unsigned long val)
{
unsigned long nmsk;
unsigned long vmsk;
@@ -1318,18 +1328,6 @@
}
-void pvr2_hdw_subsys_bit_set(struct pvr2_hdw *hdw,unsigned long msk)
-{
- pvr2_hdw_subsys_bit_chg(hdw,msk,msk);
-}
-
-
-void pvr2_hdw_subsys_bit_clr(struct pvr2_hdw *hdw,unsigned long msk)
-{
- pvr2_hdw_subsys_bit_chg(hdw,msk,0);
-}
-
-
unsigned long pvr2_hdw_subsys_get(struct pvr2_hdw *hdw)
{
return hdw->subsys_enabled_mask;
@@ -1342,9 +1340,9 @@
}
-void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw,
- unsigned long msk,
- unsigned long val)
+static void pvr2_hdw_subsys_stream_bit_chg_no_lock(struct pvr2_hdw *hdw,
+ unsigned long msk,
+ unsigned long val)
{
unsigned long val2;
msk &= PVR2_SUBSYS_ALL;
@@ -1366,7 +1364,7 @@
}
-int pvr2_hdw_set_streaming_no_lock(struct pvr2_hdw *hdw,int enableFl)
+static int pvr2_hdw_set_streaming_no_lock(struct pvr2_hdw *hdw,int enableFl)
{
if ((!enableFl) == !(hdw->flag_streaming_enabled)) return 0;
if (enableFl) {
@@ -1400,8 +1398,8 @@
}
-int pvr2_hdw_set_stream_type_no_lock(struct pvr2_hdw *hdw,
- enum pvr2_config config)
+static int pvr2_hdw_set_stream_type_no_lock(struct pvr2_hdw *hdw,
+ enum pvr2_config config)
{
unsigned long sm = hdw->subsys_enabled_mask;
if (!hdw->flag_ok) return -EIO;
@@ -1741,7 +1739,7 @@
sizeof(pvr2_device_names)/sizeof(pvr2_device_names[0])) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Bogus device type of %u reported",hdw_type);
- return 0;
+ return NULL;
}
hdw = kmalloc(sizeof(*hdw),GFP_KERNEL);
@@ -1922,38 +1920,38 @@
if (hdw->mpeg_ctrl_info) kfree(hdw->mpeg_ctrl_info);
kfree(hdw);
}
- return 0;
+ return NULL;
}
/* Remove _all_ associations between this driver and the underlying USB
layer. */
-void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
+static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
{
if (hdw->flag_disconnected) return;
pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_remove_usb_stuff: hdw=%p",hdw);
if (hdw->ctl_read_urb) {
usb_kill_urb(hdw->ctl_read_urb);
usb_free_urb(hdw->ctl_read_urb);
- hdw->ctl_read_urb = 0;
+ hdw->ctl_read_urb = NULL;
}
if (hdw->ctl_write_urb) {
usb_kill_urb(hdw->ctl_write_urb);
usb_free_urb(hdw->ctl_write_urb);
- hdw->ctl_write_urb = 0;
+ hdw->ctl_write_urb = NULL;
}
if (hdw->ctl_read_buffer) {
kfree(hdw->ctl_read_buffer);
- hdw->ctl_read_buffer = 0;
+ hdw->ctl_read_buffer = NULL;
}
if (hdw->ctl_write_buffer) {
kfree(hdw->ctl_write_buffer);
- hdw->ctl_write_buffer = 0;
+ hdw->ctl_write_buffer = NULL;
}
pvr2_hdw_render_useless_unlocked(hdw);
hdw->flag_disconnected = !0;
- hdw->usb_dev = 0;
- hdw->usb_intf = 0;
+ hdw->usb_dev = NULL;
+ hdw->usb_intf = NULL;
}
@@ -1963,11 +1961,11 @@
pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
if (hdw->fw_buffer) {
kfree(hdw->fw_buffer);
- hdw->fw_buffer = 0;
+ hdw->fw_buffer = NULL;
}
if (hdw->vid_stream) {
pvr2_stream_destroy(hdw->vid_stream);
- hdw->vid_stream = 0;
+ hdw->vid_stream = NULL;
}
if (hdw->audio_stat) {
hdw->audio_stat->detach(hdw->audio_stat->ctxt);
@@ -1981,7 +1979,7 @@
if ((hdw->unit_number >= 0) &&
(hdw->unit_number < PVR_NUM) &&
(unit_pointers[hdw->unit_number] == hdw)) {
- unit_pointers[hdw->unit_number] = 0;
+ unit_pointers[hdw->unit_number] = NULL;
}
} while (0); up(&pvr2_unit_sem);
if (hdw->controls) kfree(hdw->controls);
@@ -2018,7 +2016,7 @@
// Attempt to autoselect an appropriate value for std_enum_cur given
// whatever is currently in std_mask_cur
-void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw)
+static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw)
{
unsigned int idx;
for (idx = 1; idx < hdw->std_enum_cnt; idx++) {
@@ -2033,7 +2031,7 @@
// Calculate correct set of enumerated standards based on currently known
// set of available standards bits.
-void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw)
+static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw)
{
struct v4l2_standard *newstd;
unsigned int std_cnt;
@@ -2043,12 +2041,12 @@
if (hdw->std_defs) {
kfree(hdw->std_defs);
- hdw->std_defs = 0;
+ hdw->std_defs = NULL;
}
hdw->std_enum_cnt = 0;
if (hdw->std_enum_names) {
kfree(hdw->std_enum_names);
- hdw->std_enum_names = 0;
+ hdw->std_enum_names = NULL;
}
if (!std_cnt) {
@@ -2099,7 +2097,7 @@
struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
unsigned int idx)
{
- if (idx >= hdw->control_cnt) return 0;
+ if (idx >= hdw->control_cnt) return NULL;
return hdw->controls + idx;
}
@@ -2118,7 +2116,7 @@
i = cptr->info->internal_id;
if (i && (i == ctl_id)) return cptr;
}
- return 0;
+ return NULL;
}
@@ -2135,7 +2133,7 @@
i = cptr->info->v4l_id;
if (i && (i == ctl_id)) return cptr;
}
- return 0;
+ return NULL;
}
@@ -2149,7 +2147,7 @@
int i;
/* This could be made a lot more efficient, but for now... */
- cp2 = 0;
+ cp2 = NULL;
for (idx = 0; idx < hdw->control_cnt; idx++) {
cptr = hdw->controls + idx;
i = cptr->info->v4l_id;
@@ -2159,7 +2157,7 @@
cp2 = cptr;
}
return cp2;
- return 0;
+ return NULL;
}
@@ -2182,7 +2180,7 @@
state(s) back to their previous value before this function was called.
Thus we can automatically reconfigure affected pieces of the driver as
controls are changed. */
-int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw)
+static int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw)
{
unsigned long saved_subsys_mask = hdw->subsys_enabled_mask;
unsigned long stale_subsys_mask = 0;
@@ -2321,14 +2319,6 @@
}
-void pvr2_hdw_poll_trigger(struct pvr2_hdw *hdw)
-{
- LOCK_TAKE(hdw->big_lock); do {
- pvr2_hdw_poll_trigger_unlocked(hdw);
- } while (0); LOCK_GIVE(hdw->big_lock);
-}
-
-
/* Return name for this driver instance */
const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw)
{
@@ -2337,7 +2327,7 @@
/* Return bit mask indicating signal status */
-unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw)
+static unsigned int pvr2_hdw_get_signal_status_internal(struct pvr2_hdw *hdw)
{
unsigned int msk = 0;
switch (hdw->input_val) {
@@ -2424,7 +2414,7 @@
pvr2_trace(PVR2_TRACE_FIRMWARE,
"Cleaning up after CPU firmware fetch");
kfree(hdw->fw_buffer);
- hdw->fw_buffer = 0;
+ hdw->fw_buffer = NULL;
hdw->fw_size = 0;
/* Now release the CPU. It will disconnect and
reconnect later. */
@@ -2519,22 +2509,6 @@
}
-void pvr2_reset_ctl_endpoints(struct pvr2_hdw *hdw)
-{
- if (!hdw->usb_dev) return;
- usb_settoggle(hdw->usb_dev, PVR2_CTL_WRITE_ENDPOINT & 0xf,
- !(PVR2_CTL_WRITE_ENDPOINT & USB_DIR_IN), 0);
- usb_settoggle(hdw->usb_dev, PVR2_CTL_READ_ENDPOINT & 0xf,
- !(PVR2_CTL_READ_ENDPOINT & USB_DIR_IN), 0);
- usb_clear_halt(hdw->usb_dev,
- usb_rcvbulkpipe(hdw->usb_dev,
- PVR2_CTL_READ_ENDPOINT & 0x7f));
- usb_clear_halt(hdw->usb_dev,
- usb_sndbulkpipe(hdw->usb_dev,
- PVR2_CTL_WRITE_ENDPOINT & 0x7f));
-}
-
-
static void pvr2_ctl_write_complete(struct urb *urb, struct pt_regs *regs)
{
struct pvr2_hdw *hdw = urb->context;
@@ -2568,10 +2542,10 @@
}
-int pvr2_send_request_ex(struct pvr2_hdw *hdw,
- unsigned int timeout,int probe_fl,
- void *write_data,unsigned int write_len,
- void *read_data,unsigned int read_len)
+static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
+ unsigned int timeout,int probe_fl,
+ void *write_data,unsigned int write_len,
+ void *read_data,unsigned int read_len)
{
unsigned int idx;
int status = 0;
@@ -2826,7 +2800,7 @@
}
-int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data)
+static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data)
{
int ret = 0;
@@ -2850,7 +2824,7 @@
}
-int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res)
+static int pvr2_write_u16(struct pvr2_hdw *hdw, u16 data, int res)
{
int ret;
@@ -2867,7 +2841,7 @@
}
-int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res)
+static int pvr2_write_u8(struct pvr2_hdw *hdw, u8 data, int res)
{
int ret;
@@ -2883,13 +2857,13 @@
}
-void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw)
+static void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *hdw)
{
if (!hdw->flag_ok) return;
pvr2_trace(PVR2_TRACE_INIT,"render_useless");
hdw->flag_ok = 0;
if (hdw->vid_stream) {
- pvr2_stream_setup(hdw->vid_stream,0,0,0);
+ pvr2_stream_setup(hdw->vid_stream,NULL,0,0);
}
hdw->flag_streaming_enabled = 0;
hdw->subsys_enabled_mask = 0;
@@ -2908,7 +2882,7 @@
{
int ret;
pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset...");
- ret = usb_lock_device_for_reset(hdw->usb_dev,0);
+ ret = usb_lock_device_for_reset(hdw->usb_dev,NULL);
if (ret == 1) {
ret = usb_reset_device(hdw->usb_dev);
usb_unlock_device(hdw->usb_dev);
@@ -2957,7 +2931,7 @@
pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset");
hdw->flag_ok = !0;
hdw->cmd_buffer[0] = 0xdd;
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
}
@@ -2969,7 +2943,7 @@
LOCK_TAKE(hdw->ctl_lock); do {
pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup");
hdw->cmd_buffer[0] = 0xde;
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
}
@@ -2996,12 +2970,12 @@
}
-int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
+static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
{
int status;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = (runFl ? 0x36 : 0x37);
- status = pvr2_send_request(hdw,hdw->cmd_buffer,1,0,0);
+ status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
if (!status) {
hdw->subsys_enabled_mask =
@@ -3094,7 +3068,7 @@
}
-int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
+static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
{
int result;
LOCK_TAKE(hdw->ctl_lock); do {
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
index 63f5291..fd931b5 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
@@ -91,7 +91,6 @@
void pvr2_hdw_poll(struct pvr2_hdw *);
/* Trigger a poll to take place later at a convenient time */
-void pvr2_hdw_poll_trigger(struct pvr2_hdw *);
void pvr2_hdw_poll_trigger_unlocked(struct pvr2_hdw *);
/* Register a callback used to trigger a future poll */
@@ -99,9 +98,6 @@
void (*func)(void *),
void *data);
-/* Get pointer to structure given unit number */
-struct pvr2_hdw *pvr2_hdw_find(int unit_number);
-
/* Destroy hardware interaction structure */
void pvr2_hdw_destroy(struct pvr2_hdw *);
@@ -180,12 +176,6 @@
void pvr2_hdw_subsys_bit_chg(struct pvr2_hdw *hdw,
unsigned long msk,unsigned long val);
-/* Shortcut for pvr2_hdw_subsys_bit_chg(hdw,msk,msk) */
-void pvr2_hdw_subsys_bit_set(struct pvr2_hdw *hdw,unsigned long msk);
-
-/* Shortcut for pvr2_hdw_subsys_bit_chg(hdw,msk,0) */
-void pvr2_hdw_subsys_bit_clr(struct pvr2_hdw *hdw,unsigned long msk);
-
/* Retrieve mask indicating which pieces of hardware are currently enabled
/ configured. */
unsigned long pvr2_hdw_subsys_get(struct pvr2_hdw *);
@@ -225,34 +215,18 @@
/* The following entry points are all lower level things you normally don't
want to worry about. */
-/* Attempt to recover from a USB foul-up (in practice I find that if you
- have to do this, then it's already too late). */
-void pvr2_reset_ctl_endpoints(struct pvr2_hdw *hdw);
-
/* Issue a command and get a response from the device. LOTS of higher
level stuff is built on this. */
int pvr2_send_request(struct pvr2_hdw *,
void *write_ptr,unsigned int write_len,
void *read_ptr,unsigned int read_len);
-/* Issue a command and get a response from the device. This extended
- version includes a probe flag (which if set means that device errors
- should not be logged or treated as fatal) and a timeout in jiffies.
- This can be used to non-lethally probe the health of endpoint 1. */
-int pvr2_send_request_ex(struct pvr2_hdw *,unsigned int timeout,int probe_fl,
- void *write_ptr,unsigned int write_len,
- void *read_ptr,unsigned int read_len);
-
/* Slightly higher level device communication functions. */
int pvr2_write_register(struct pvr2_hdw *, u16, u32);
-int pvr2_read_register(struct pvr2_hdw *, u16, u32 *);
-int pvr2_write_u16(struct pvr2_hdw *, u16, int);
-int pvr2_write_u8(struct pvr2_hdw *, u8, int);
/* Call if for any reason we can't talk to the hardware anymore - this will
cause the driver to stop flailing on the device. */
void pvr2_hdw_render_useless(struct pvr2_hdw *);
-void pvr2_hdw_render_useless_unlocked(struct pvr2_hdw *);
/* Set / clear 8051's reset bit */
void pvr2_hdw_cpureset_assert(struct pvr2_hdw *,int);
@@ -271,12 +245,6 @@
/* Order decoder to reset */
int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *);
-/* Stop / start video stream transport */
-int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl);
-
-/* Find I2C address of eeprom */
-int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *);
-
/* Direct manipulation of GPIO bits */
int pvr2_hdw_gpio_get_dir(struct pvr2_hdw *hdw,u32 *);
int pvr2_hdw_gpio_get_out(struct pvr2_hdw *hdw,u32 *);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
index 1dd4f62..fbe6039 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
@@ -25,7 +25,6 @@
#include "pvrusb2-i2c-cmd-v4l2.h"
#include "pvrusb2-audio.h"
#include "pvrusb2-tuner.h"
-#include "pvrusb2-demod.h"
#include "pvrusb2-video-v4l.h"
#ifdef CONFIG_VIDEO_PVRUSB2_24XXX
#include "pvrusb2-cx2584x-v4l.h"
@@ -89,11 +88,6 @@
return;
}
}
- if (id == I2C_DRIVERID_TDA9887) {
- if (pvr2_i2c_demod_setup(hdw,cp)) {
- return;
- }
- }
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
index 9f81aff..8a9933d 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c
@@ -196,7 +196,7 @@
static void do_log(struct pvr2_hdw *hdw)
{
pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
- pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,0);
+ pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
}
@@ -217,7 +217,7 @@
void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
{
pvr2_i2c_client_cmd(cp,
- (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),0);
+ (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index c8d0bde..7fca479 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -37,6 +37,10 @@
module_param(i2c_scan, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(i2c_scan,"scan i2c bus at insmod time");
+static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp,
+ unsigned int detail,
+ char *buf,unsigned int maxlen);
+
static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
u8 i2c_addr, /* I2C address we're talking to */
u8 *data, /* Data to write */
@@ -165,12 +169,12 @@
/* This is the common low level entry point for doing I2C operations to the
hardware. */
-int pvr2_i2c_basic_op(struct pvr2_hdw *hdw,
- u8 i2c_addr,
- u8 *wdata,
- u16 wlen,
- u8 *rdata,
- u16 rlen)
+static int pvr2_i2c_basic_op(struct pvr2_hdw *hdw,
+ u8 i2c_addr,
+ u8 *wdata,
+ u16 wlen,
+ u8 *rdata,
+ u16 rlen)
{
if (!rdata) rlen = 0;
if (!wdata) wlen = 0;
@@ -267,7 +271,7 @@
"WARNING: Disabling further access to the device"
" to prevent other foul-ups.");
// This blocks all further communication with the part.
- hdw->i2c_func[0x44] = 0;
+ hdw->i2c_func[0x44] = NULL;
pvr2_hdw_render_useless(hdw);
goto fail;
}
@@ -294,7 +298,7 @@
int num)
{
int ret = -ENOTSUPP;
- pvr2_i2c_func funcp = 0;
+ pvr2_i2c_func funcp = NULL;
struct pvr2_hdw *hdw = (struct pvr2_hdw *)(i2c_adap->algo_data);
if (!num) {
@@ -319,7 +323,7 @@
u16 tcnt,bcnt,offs;
if (!msgs[0].len) {
/* Length == 0 read. This is a probe. */
- if (funcp(hdw,msgs[0].addr,0,0,0,0)) {
+ if (funcp(hdw,msgs[0].addr,NULL,0,NULL,0)) {
ret = -EIO;
goto done;
}
@@ -336,7 +340,7 @@
if (bcnt > sizeof(hdw->cmd_buffer)-1) {
bcnt = sizeof(hdw->cmd_buffer)-1;
}
- if (funcp(hdw,msgs[0].addr,0,0,
+ if (funcp(hdw,msgs[0].addr,NULL,0,
msgs[0].buf+offs,bcnt)) {
ret = -EIO;
goto done;
@@ -350,7 +354,7 @@
/* Simple write */
ret = 1;
if (funcp(hdw,msgs[0].addr,
- msgs[0].buf,msgs[0].len,0,0)) {
+ msgs[0].buf,msgs[0].len,NULL,0)) {
ret = -EIO;
}
goto done;
@@ -705,9 +709,9 @@
return (hdw->i2c_pend_types & PVR2_I2C_PEND_ALL) != 0;
}
-unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp,
- unsigned int detail,
- char *buf,unsigned int maxlen)
+static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp,
+ unsigned int detail,
+ char *buf,unsigned int maxlen)
{
unsigned int ccnt,bcnt;
int spcfl = 0;
@@ -871,7 +875,7 @@
msg[0].addr = 0;
msg[0].flags = I2C_M_RD;
msg[0].len = 0;
- msg[0].buf = 0;
+ msg[0].buf = NULL;
printk("%s: i2c scan beginning\n",hdw->name);
for (i = 0; i < 128; i++) {
msg[0].addr = i;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h
index e8af5b0e..6d7e252 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h
@@ -75,9 +75,6 @@
PVR2_I2C_DETAIL_DEBUG |\
PVR2_I2C_DETAIL_HANDLER |\
PVR2_I2C_DETAIL_CTLMASK)
-unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *,
- unsigned int detail_mask,
- char *buf,unsigned int maxlen);
void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *);
const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c
index a984c91..681f79c 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-io.c
@@ -93,7 +93,7 @@
struct urb *purb;
};
-const char *pvr2_buffer_state_decode(enum pvr2_buffer_state st)
+static const char *pvr2_buffer_state_decode(enum pvr2_buffer_state st)
{
switch (st) {
case pvr2_buffer_state_none: return "none";
@@ -104,7 +104,8 @@
return "unknown";
}
-void pvr2_buffer_describe(struct pvr2_buffer *bp,const char *msg)
+#ifdef SANITY_CHECK_BUFFERS
+static void pvr2_buffer_describe(struct pvr2_buffer *bp,const char *msg)
{
pvr2_trace(PVR2_TRACE_INFO,
"buffer%s%s %p state=%s id=%d status=%d"
@@ -115,10 +116,11 @@
(bp ? pvr2_buffer_state_decode(bp->state) : "(invalid)"),
(bp ? bp->id : 0),
(bp ? bp->status : 0),
- (bp ? bp->stream : 0),
- (bp ? bp->purb : 0),
+ (bp ? bp->stream : NULL),
+ (bp ? bp->purb : NULL),
(bp ? bp->signature : 0));
}
+#endif /* SANITY_CHECK_BUFFERS */
static void pvr2_buffer_remove(struct pvr2_buffer *bp)
{
@@ -284,7 +286,7 @@
pvr2_buffer_wipe(bp);
pvr2_buffer_set_none(bp);
bp->signature = 0;
- bp->stream = 0;
+ bp->stream = NULL;
if (bp->purb) usb_free_urb(bp->purb);
pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/"
" bufferDone %p",bp);
@@ -339,13 +341,13 @@
struct pvr2_buffer *bp;
bp = sp->buffers[sp->buffer_total_count - 1];
/* Paranoia */
- sp->buffers[sp->buffer_total_count - 1] = 0;
+ sp->buffers[sp->buffer_total_count - 1] = NULL;
(sp->buffer_total_count)--;
pvr2_buffer_done(bp);
kfree(bp);
}
if (scnt < sp->buffer_slot_count) {
- struct pvr2_buffer **nb = 0;
+ struct pvr2_buffer **nb = NULL;
if (scnt) {
nb = kmalloc(scnt * sizeof(*nb),GFP_KERNEL);
if (!nb) return -ENOMEM;
@@ -513,10 +515,6 @@
}
/* Query / set the nominal buffer count */
-int pvr2_stream_get_buffer_count(struct pvr2_stream *sp)
-{
- return sp->buffer_target_count;
-}
int pvr2_stream_set_buffer_count(struct pvr2_stream *sp,unsigned int cnt)
{
@@ -532,21 +530,21 @@
struct pvr2_buffer *pvr2_stream_get_idle_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->idle_list.next;
- if (lp == &sp->idle_list) return 0;
+ if (lp == &sp->idle_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_ready_buffer(struct pvr2_stream *sp)
{
struct list_head *lp = sp->ready_list.next;
- if (lp == &sp->ready_list) return 0;
+ if (lp == &sp->ready_list) return NULL;
return list_entry(lp,struct pvr2_buffer,list_overhead);
}
struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id)
{
- if (id < 0) return 0;
- if (id >= sp->buffer_total_count) return 0;
+ if (id < 0) return NULL;
+ if (id >= sp->buffer_total_count) return NULL;
return sp->buffers[id];
}
@@ -555,17 +553,6 @@
return sp->r_count;
}
-int pvr2_stream_get_idle_count(struct pvr2_stream *sp)
-{
- return sp->i_count;
-}
-
-void pvr2_stream_flush(struct pvr2_stream *sp)
-{
- mutex_lock(&sp->mutex); do {
- pvr2_stream_internal_flush(sp);
- } while(0); mutex_unlock(&sp->mutex);
-}
void pvr2_stream_kill(struct pvr2_stream *sp)
{
@@ -620,20 +607,6 @@
return ret;
}
-int pvr2_buffer_idle(struct pvr2_buffer *bp)
-{
- struct pvr2_stream *sp;
- if (!bp) return -EINVAL;
- sp = bp->stream;
- mutex_lock(&sp->mutex); do {
- pvr2_buffer_wipe(bp);
- pvr2_buffer_set_idle(bp);
- if (sp->buffer_total_count != sp->buffer_target_count) {
- pvr2_stream_achieve_buffer_count(sp);
- }
- } while(0); mutex_unlock(&sp->mutex);
- return 0;
-}
int pvr2_buffer_set_buffer(struct pvr2_buffer *bp,void *ptr,unsigned int cnt)
{
@@ -673,10 +646,6 @@
return bp->status;
}
-enum pvr2_buffer_state pvr2_buffer_get_state(struct pvr2_buffer *bp)
-{
- return bp->state;
-}
int pvr2_buffer_get_id(struct pvr2_buffer *bp)
{
diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.h b/drivers/media/video/pvrusb2/pvrusb2-io.h
index 65e1138..96285ad 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-io.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-io.h
@@ -36,8 +36,6 @@
struct pvr2_stream;
struct pvr2_buffer;
-const char *pvr2_buffer_state_decode(enum pvr2_buffer_state);
-
/* Initialize / tear down stream structure */
struct pvr2_stream *pvr2_stream_create(void);
void pvr2_stream_destroy(struct pvr2_stream *);
@@ -49,7 +47,6 @@
void *data);
/* Query / set the nominal buffer count */
-int pvr2_stream_get_buffer_count(struct pvr2_stream *);
int pvr2_stream_set_buffer_count(struct pvr2_stream *,unsigned int);
/* Get a pointer to a buffer that is either idle, ready, or is specified
@@ -59,12 +56,8 @@
struct pvr2_buffer *pvr2_stream_get_buffer(struct pvr2_stream *sp,int id);
/* Find out how many buffers are idle or ready */
-int pvr2_stream_get_idle_count(struct pvr2_stream *);
int pvr2_stream_get_ready_count(struct pvr2_stream *);
-/* Kill all pending operations */
-void pvr2_stream_flush(struct pvr2_stream *);
-
/* Kill all pending buffers and throw away any ready buffers as well */
void pvr2_stream_kill(struct pvr2_stream *);
@@ -77,18 +70,12 @@
/* Retrieve completion code for given ready buffer */
int pvr2_buffer_get_status(struct pvr2_buffer *);
-/* Retrieve state of given buffer */
-enum pvr2_buffer_state pvr2_buffer_get_state(struct pvr2_buffer *);
-
/* Retrieve ID of given buffer */
int pvr2_buffer_get_id(struct pvr2_buffer *);
/* Start reading into given buffer (kill it if needed) */
int pvr2_buffer_queue(struct pvr2_buffer *);
-/* Move buffer back to idle pool (kill it if needed) */
-int pvr2_buffer_idle(struct pvr2_buffer *);
-
#endif /* __PVRUSB2_IO_H */
/*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ioread.c b/drivers/media/video/pvrusb2/pvrusb2-ioread.c
index 49da062..f7a2e22 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ioread.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ioread.c
@@ -54,7 +54,7 @@
{
unsigned int idx;
- cp->stream = 0;
+ cp->stream = NULL;
mutex_init(&cp->mutex);
for (idx = 0; idx < BUFFER_COUNT; idx++) {
@@ -77,7 +77,7 @@
{
unsigned int idx;
- pvr2_ioread_setup(cp,0);
+ pvr2_ioread_setup(cp,NULL);
for (idx = 0; idx < BUFFER_COUNT; idx++) {
if (!(cp->buffer_storage[idx])) continue;
kfree(cp->buffer_storage[idx]);
@@ -88,12 +88,12 @@
{
struct pvr2_ioread *cp;
cp = kmalloc(sizeof(*cp),GFP_KERNEL);
- if (!cp) return 0;
+ if (!cp) return NULL;
pvr2_trace(PVR2_TRACE_STRUCT,"pvr2_ioread_create id=%p",cp);
memset(cp,0,sizeof(*cp));
if (pvr2_ioread_init(cp) < 0) {
kfree(cp);
- return 0;
+ return NULL;
}
return cp;
}
@@ -105,7 +105,7 @@
pvr2_trace(PVR2_TRACE_STRUCT,"pvr2_ioread_destroy id=%p",cp);
if (cp->sync_key_ptr) {
kfree(cp->sync_key_ptr);
- cp->sync_key_ptr = 0;
+ cp->sync_key_ptr = NULL;
}
kfree(cp);
}
@@ -124,7 +124,7 @@
if (sync_key_len != cp->sync_key_len) {
if (cp->sync_key_ptr) {
kfree(cp->sync_key_ptr);
- cp->sync_key_ptr = 0;
+ cp->sync_key_ptr = NULL;
}
cp->sync_key_len = 0;
if (sync_key_len) {
@@ -144,8 +144,8 @@
pvr2_trace(PVR2_TRACE_START_STOP,
"/*---TRACE_READ---*/ pvr2_ioread_stop id=%p",cp);
pvr2_stream_kill(cp->stream);
- cp->c_buf = 0;
- cp->c_data_ptr = 0;
+ cp->c_buf = NULL;
+ cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
cp->enabled = 0;
@@ -179,8 +179,8 @@
}
}
cp->enabled = !0;
- cp->c_buf = 0;
- cp->c_data_ptr = 0;
+ cp->c_buf = NULL;
+ cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
cp->stream_running = 0;
@@ -214,7 +214,7 @@
pvr2_ioread_stop(cp);
pvr2_stream_kill(cp->stream);
pvr2_stream_set_buffer_count(cp->stream,0);
- cp->stream = 0;
+ cp->stream = NULL;
}
if (sp) {
pvr2_trace(PVR2_TRACE_START_STOP,
@@ -251,12 +251,8 @@
return ret;
}
-int pvr2_ioread_get_enabled(struct pvr2_ioread *cp)
-{
- return cp->enabled != 0;
-}
-int pvr2_ioread_get_buffer(struct pvr2_ioread *cp)
+static int pvr2_ioread_get_buffer(struct pvr2_ioread *cp)
{
int stat;
@@ -274,8 +270,8 @@
pvr2_ioread_stop(cp);
return 0;
}
- cp->c_buf = 0;
- cp->c_data_ptr = 0;
+ cp->c_buf = NULL;
+ cp->c_data_ptr = NULL;
cp->c_data_len = 0;
cp->c_data_offs = 0;
}
@@ -307,7 +303,7 @@
return !0;
}
-void pvr2_ioread_filter(struct pvr2_ioread *cp)
+static void pvr2_ioread_filter(struct pvr2_ioread *cp)
{
unsigned int idx;
if (!cp->enabled) return;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ioread.h b/drivers/media/video/pvrusb2/pvrusb2-ioread.h
index 6b00259..1d362f8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ioread.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-ioread.h
@@ -33,7 +33,6 @@
const char *sync_key_ptr,
unsigned int sync_key_len);
int pvr2_ioread_set_enabled(struct pvr2_ioread *,int fl);
-int pvr2_ioread_get_enabled(struct pvr2_ioread *);
int pvr2_ioread_read(struct pvr2_ioread *,void __user *buf,unsigned int cnt);
int pvr2_ioread_avail(struct pvr2_ioread *);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c
index b952482..8f1a5af 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-main.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-main.c
@@ -54,7 +54,7 @@
MODULE_PARM_DESC(debug, "Debug trace mask");
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
-static struct pvr2_sysfs_class *class_ptr = 0;
+static struct pvr2_sysfs_class *class_ptr = NULL;
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
static void pvr_setup_attach(struct pvr2_context *pvr)
@@ -104,10 +104,10 @@
}
static struct usb_driver pvr_driver = {
- name: "pvrusb2",
- id_table: pvr2_device_table,
- probe: pvr_probe,
- disconnect: pvr_disconnect
+ .name = "pvrusb2",
+ .id_table = pvr2_device_table,
+ .probe = pvr_probe,
+ .disconnect = pvr_disconnect
};
/*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-std.c b/drivers/media/video/pvrusb2/pvrusb2-std.c
index 1340636..f95c598 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-std.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-std.c
@@ -121,7 +121,7 @@
if (strlen(p->name) != bufSize) continue;
if (!memcmp(bufPtr,p->name,bufSize)) return p;
}
- return 0;
+ return NULL;
}
@@ -289,7 +289,7 @@
return generic_standards + idx;
}
}
- return 0;
+ return NULL;
}
static int pvr2_std_fill(struct v4l2_standard *std,v4l2_std_id id)
@@ -364,7 +364,7 @@
pvr2_trace(PVR2_TRACE_INIT,"Setting up %u unique standard(s)",
std_cnt);
- if (!std_cnt) return 0; // paranoia
+ if (!std_cnt) return NULL; // paranoia
stddefs = kmalloc(sizeof(struct v4l2_standard) * std_cnt,
GFP_KERNEL);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
index c6e6523..6af55a8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
@@ -504,7 +504,7 @@
cip->cptr = cptr;
cip->chptr = sfp;
- cip->item_next = 0;
+ cip->item_next = NULL;
if (sfp->item_last) {
sfp->item_last->item_next = cip;
} else {
@@ -625,7 +625,7 @@
&sfp->debugifc->attr_debuginfo);
class_device_remove_file(sfp->class_dev,&sfp->debugifc->attr_debugcmd);
kfree(sfp->debugifc);
- sfp->debugifc = 0;
+ sfp->debugifc = NULL;
}
#endif /* CONFIG_VIDEO_PVRUSB2_DEBUGIFC */
@@ -678,9 +678,9 @@
class_device_remove_file(sfp->class_dev,&sfp->attr_v4l_minor_number);
class_device_remove_file(sfp->class_dev,&sfp->attr_unit_number);
pvr2_sysfs_trace("Destroying class_dev id=%p",sfp->class_dev);
- sfp->class_dev->class_data = 0;
+ sfp->class_dev->class_data = NULL;
class_device_unregister(sfp->class_dev);
- sfp->class_dev = 0;
+ sfp->class_dev = NULL;
}
@@ -739,13 +739,13 @@
sfp->attr_v4l_minor_number.attr.name = "v4l_minor_number";
sfp->attr_v4l_minor_number.attr.mode = S_IRUGO;
sfp->attr_v4l_minor_number.show = v4l_minor_number_show;
- sfp->attr_v4l_minor_number.store = 0;
+ sfp->attr_v4l_minor_number.store = NULL;
class_device_create_file(sfp->class_dev,&sfp->attr_v4l_minor_number);
sfp->attr_unit_number.attr.owner = THIS_MODULE;
sfp->attr_unit_number.attr.name = "unit_number";
sfp->attr_unit_number.attr.mode = S_IRUGO;
sfp->attr_unit_number.show = unit_number_show;
- sfp->attr_unit_number.store = 0;
+ sfp->attr_unit_number.store = NULL;
class_device_create_file(sfp->class_dev,&sfp->attr_unit_number);
pvr2_sysfs_add_controls(sfp);
@@ -806,7 +806,7 @@
pvr2_sysfs_trace(
"Registration failed for pvr2_sysfs_class id=%p",clp);
kfree(clp);
- clp = 0;
+ clp = NULL;
}
return clp;
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-tuner.c b/drivers/media/video/pvrusb2/pvrusb2-tuner.c
index f4aba81..af9f246 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-tuner.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-tuner.c
@@ -69,7 +69,7 @@
static void pvr2_tuner_detach(struct pvr2_tuner_handler *ctxt)
{
- ctxt->client->handler = 0;
+ ctxt->client->handler = NULL;
kfree(ctxt);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 9619510..0caf70b 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -81,7 +81,7 @@
module_param_array(video_nr, int, NULL, 0444);
MODULE_PARM_DESC(video_nr, "Offset for device's minor");
-struct v4l2_capability pvr_capability ={
+static struct v4l2_capability pvr_capability ={
.driver = "pvrusb2",
.card = "Hauppauge WinTV pvr-usb2",
.bus_info = "usb",
@@ -111,7 +111,7 @@
}
};
-struct v4l2_fmtdesc pvr_fmtdesc [] = {
+static struct v4l2_fmtdesc pvr_fmtdesc [] = {
{
.index = 0,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
@@ -127,7 +127,7 @@
#define PVR_FORMAT_PIX 0
#define PVR_FORMAT_VBI 1
-struct v4l2_format pvr_format [] = {
+static struct v4l2_format pvr_format [] = {
[PVR_FORMAT_PIX] = {
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
.fmt = {
@@ -701,9 +701,8 @@
static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
{
- pvr2_trace(PVR2_TRACE_INIT,
- "unregistering device video%d [%s]",
- dip->vdev->minor,pvr2_config_get_name(dip->config));
+ printk(KERN_INFO "pvrusb2: unregistering device video%d [%s]\n",
+ dip->vdev->minor,pvr2_config_get_name(dip->config));
if (dip->ctxt_idx >= 0) {
mutex_lock(&device_lock);
devices[dip->ctxt_idx] = NULL;
@@ -725,7 +724,7 @@
}
-void pvr2_v4l2_internal_check(struct pvr2_channel *chp)
+static void pvr2_v4l2_internal_check(struct pvr2_channel *chp)
{
struct pvr2_v4l2 *vp;
vp = container_of(chp,struct pvr2_v4l2,channel);
@@ -735,8 +734,8 @@
}
-int pvr2_v4l2_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int pvr2_v4l2_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
/* Temporary hack : use ivtv api until a v4l2 one is available. */
@@ -747,7 +746,7 @@
}
-int pvr2_v4l2_release(struct inode *inode, struct file *file)
+static int pvr2_v4l2_release(struct inode *inode, struct file *file)
{
struct pvr2_v4l2_fh *fhp = file->private_data;
struct pvr2_v4l2 *vp = fhp->vhead;
@@ -761,9 +760,9 @@
hdw = fhp->channel.mc_head->hdw;
pvr2_hdw_set_streaming(hdw,0);
sp = pvr2_ioread_get_stream(fhp->rhp);
- if (sp) pvr2_stream_set_callback(sp,0,0);
+ if (sp) pvr2_stream_set_callback(sp,NULL,NULL);
pvr2_ioread_destroy(fhp->rhp);
- fhp->rhp = 0;
+ fhp->rhp = NULL;
}
v4l2_prio_close(&vp->prio, &fhp->prio);
file->private_data = NULL;
@@ -779,9 +778,9 @@
} else {
vp->vfirst = fhp->vnext;
}
- fhp->vnext = 0;
- fhp->vprev = 0;
- fhp->vhead = 0;
+ fhp->vnext = NULL;
+ fhp->vprev = NULL;
+ fhp->vhead = NULL;
pvr2_channel_done(&fhp->channel);
pvr2_trace(PVR2_TRACE_STRUCT,
"Destroying pvr_v4l2_fh id=%p",fhp);
@@ -794,9 +793,9 @@
}
-int pvr2_v4l2_open(struct inode *inode, struct file *file)
+static int pvr2_v4l2_open(struct inode *inode, struct file *file)
{
- struct pvr2_v4l2_dev *dip = 0; /* Our own context pointer */
+ struct pvr2_v4l2_dev *dip = NULL; /* Our own context pointer */
struct pvr2_v4l2_fh *fhp;
struct pvr2_v4l2 *vp;
struct pvr2_hdw *hdw;
@@ -854,7 +853,7 @@
pvr2_context_enter(vp->channel.mc_head); do {
pvr2_trace(PVR2_TRACE_STRUCT,"Creating pvr_v4l2_fh id=%p",fhp);
pvr2_channel_init(&fhp->channel,vp->channel.mc_head);
- fhp->vnext = 0;
+ fhp->vnext = NULL;
fhp->vprev = vp->vlast;
if (vp->vlast) {
vp->vlast->vnext = fhp;
@@ -897,7 +896,7 @@
fh->rhp = pvr2_channel_create_mpeg_stream(fh->dev_info->stream);
if (!fh->rhp) {
- pvr2_channel_claim_stream(&fh->channel,0);
+ pvr2_channel_claim_stream(&fh->channel,NULL);
return -ENOMEM;
}
@@ -1078,9 +1077,8 @@
(video_register_device(dip->vdev, v4l_type, -1) < 0)) {
err("Failed to register pvrusb2 v4l video device");
} else {
- pvr2_trace(PVR2_TRACE_INIT,
- "registered device video%d [%s]",
- dip->vdev->minor,pvr2_config_get_name(dip->config));
+ printk(KERN_INFO "pvrusb2: registered device video%d [%s]\n",
+ dip->vdev->minor,pvr2_config_get_name(dip->config));
}
if ((dip->vdev->minor < sizeof(devices)/sizeof(devices[0])) &&
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
index e4ec7f2..05f2cdd 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
@@ -126,8 +126,8 @@
static void decoder_detach(struct pvr2_v4l_decoder *ctxt)
{
- ctxt->client->handler = 0;
- ctxt->hdw->decoder_ctrl = 0;
+ ctxt->client->handler = NULL;
+ ctxt->hdw->decoder_ctrl = NULL;
kfree(ctxt);
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-wm8775.c b/drivers/media/video/pvrusb2/pvrusb2-wm8775.c
index fcad346..2413e51 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-wm8775.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-wm8775.c
@@ -89,7 +89,7 @@
static void wm8775_detach(struct pvr2_v4l_wm8775 *ctxt)
{
- ctxt->client->handler = 0;
+ ctxt->client->handler = NULL;
kfree(ctxt);
}
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 0841556..535172f 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -941,8 +941,6 @@
/* load i2c helpers */
if (TUNER_ABSENT != dev->tuner_type)
request_module("tuner");
- if (dev->tda9887_conf)
- request_module("tda9887");
if (card_is_empress(dev)) {
request_module("saa6752hs");
request_module_depend("saa7134-empress",&need_empress);
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index 2fadabf..8dab481 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -590,8 +590,8 @@
t->set_tv_freq = tda9887_set_freq;
t->set_radio_freq = tda9887_set_freq;
t->standby = tda9887_standby;
- t->tuner_status=tda9887_tuner_status;
- t->get_afc=tda9887_get_afc;
+ t->tuner_status = tda9887_tuner_status;
+ t->get_afc = tda9887_get_afc;
return 0;
}
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 011413c..f7eb402 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -416,7 +416,7 @@
/* ---------------------------------------------------------------------- */
-/* static var Used only in tuner_attach and tuner_probe */
+/* static vars: used only in tuner_attach and tuner_probe */
static unsigned default_mode_mask;
/* During client attach, set_type is called by adapter's attach_inform callback.
@@ -608,13 +608,13 @@
tuner_dbg("VIDIOCSAUDIO not implemented.\n");
break;
case TDA9887_SET_CONFIG:
- {
- int *i = arg;
+ if (t->type == TUNER_TDA9887) {
+ int *i = arg;
- t->tda9887_config = *i;
- set_freq(client, t->tv_freq);
+ t->tda9887_config = *i;
+ set_freq(client, t->tv_freq);
+ }
break;
- }
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
kernel pointer here... */
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 6da6f82..d071c5c 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -7,6 +7,7 @@
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <media/tuner.h>
+#include <media/v4l2-common.h>
static int offset = 0;
module_param(offset, int, 0666);
@@ -128,6 +129,7 @@
u8 buffer[4];
int rc, IFPCoff, i, j;
enum param_type desired_type;
+ struct tuner_params *params;
tun = &tuners[t->type];
@@ -169,19 +171,20 @@
IFPCoff,t->type);
j = 0;
}
+ params = &tun->params[j];
- for (i = 0; i < tun->params[j].count; i++) {
- if (freq > tun->params[j].ranges[i].limit)
+ for (i = 0; i < params->count; i++) {
+ if (freq > params->ranges[i].limit)
continue;
break;
}
- if (i == tun->params[j].count) {
+ if (i == params->count) {
tuner_dbg("TV frequency out of range (%d > %d)",
- freq, tun->params[j].ranges[i - 1].limit);
- freq = tun->params[j].ranges[--i].limit;
+ freq, params->ranges[i - 1].limit);
+ freq = params->ranges[--i].limit;
}
- config = tun->params[j].ranges[i].config;
- cb = tun->params[j].ranges[i].cb;
+ config = params->ranges[i].config;
+ cb = params->ranges[i].cb;
/* i == 0 -> VHF_LO
* i == 1 -> VHF_HI
* i == 2 -> UHF */
@@ -281,7 +284,7 @@
break;
}
- if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
+ if (params->cb_first_if_lower_freq && div < t->last_div) {
buffer[0] = config;
buffer[1] = cb;
buffer[2] = (div>>8) & 0x7f;
@@ -293,6 +296,43 @@
buffer[3] = cb;
}
t->last_div = div;
+ if (params->has_tda9887) {
+ int config = 0;
+ int is_secam_l = (t->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
+ !(t->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
+
+ if (t->std == V4L2_STD_SECAM_LC) {
+ if (params->port1_active ^ params->port1_invert_for_secam_lc)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (params->port2_active ^ params->port2_invert_for_secam_lc)
+ config |= TDA9887_PORT2_ACTIVE;
+ }
+ else {
+ if (params->port1_active)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (params->port2_active)
+ config |= TDA9887_PORT2_ACTIVE;
+ }
+ if (params->intercarrier_mode)
+ config |= TDA9887_INTERCARRIER;
+ if (is_secam_l) {
+ if (i == 0 && params->default_top_secam_low)
+ config |= TDA9887_TOP(params->default_top_secam_low);
+ else if (i == 1 && params->default_top_secam_mid)
+ config |= TDA9887_TOP(params->default_top_secam_mid);
+ else if (params->default_top_secam_high)
+ config |= TDA9887_TOP(params->default_top_secam_high);
+ }
+ else {
+ if (i == 0 && params->default_top_low)
+ config |= TDA9887_TOP(params->default_top_low);
+ else if (i == 1 && params->default_top_mid)
+ config |= TDA9887_TOP(params->default_top_mid);
+ else if (params->default_top_high)
+ config |= TDA9887_TOP(params->default_top_high);
+ }
+ i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config);
+ }
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
@@ -339,6 +379,7 @@
u16 div;
int rc, j;
enum param_type desired_type = TUNER_PARAM_TYPE_RADIO;
+ struct tuner_params *params;
tun = &tuners[t->type];
@@ -352,7 +393,8 @@
j = 0;
div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- buffer[2] = (tun->params[j].ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
+ params = &tun->params[j];
+ buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
switch (t->type) {
case TUNER_TENA_9533_DI:
@@ -384,7 +426,7 @@
}
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
+ if (params->cb_first_if_lower_freq && div < t->last_div) {
buffer[0] = buffer[2];
buffer[1] = buffer[3];
buffer[2] = (div>>8) & 0x7f;
@@ -398,6 +440,18 @@
buffer[0],buffer[1],buffer[2],buffer[3]);
t->last_div = div;
+ if (params->has_tda9887) {
+ int config = 0;
+ if (params->port1_active && !params->port1_fm_high_sensitivity)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (params->port2_active && !params->port2_fm_high_sensitivity)
+ config |= TDA9887_PORT2_ACTIVE;
+ if (params->intercarrier_mode)
+ config |= TDA9887_INTERCARRIER;
+/* if (params->port1_set_for_fm_mono)
+ config &= ~TDA9887_PORT1_ACTIVE;*/
+ i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config);
+ }
if (4 != (rc = i2c_master_send(c,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
}
diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c
index 9d9226c..a167e17 100644
--- a/drivers/media/video/tuner-types.c
+++ b/drivers/media/video/tuner-types.c
@@ -380,6 +380,10 @@
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_lg_pal_ranges,
.count = ARRAY_SIZE(tuner_lg_pal_ranges),
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_active = 1,
+ .port2_invert_for_secam_lc = 1,
},
};
@@ -542,6 +546,14 @@
.ranges = tuner_fm1216me_mk3_pal_ranges,
.count = ARRAY_SIZE(tuner_fm1216me_mk3_pal_ranges),
.cb_first_if_lower_freq = 1,
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_active = 1,
+ .port2_invert_for_secam_lc = 1,
+ .port1_fm_high_sensitivity = 1,
+ .default_top_mid = -2,
+ .default_top_secam_mid = -2,
+ .default_top_secam_high = -2,
},
};
@@ -612,6 +624,10 @@
.ranges = tuner_fm1236_mk3_ntsc_ranges,
.count = ARRAY_SIZE(tuner_fm1236_mk3_ntsc_ranges),
.cb_first_if_lower_freq = 1,
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_active = 1,
+ .port1_fm_high_sensitivity = 1,
},
};
@@ -632,6 +648,8 @@
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_temic_4009f_5_pal_ranges,
.count = ARRAY_SIZE(tuner_temic_4009f_5_pal_ranges),
+ .has_tda9887 = 1,
+ .port1_invert_for_secam_lc = 1,
},
};
@@ -648,6 +666,8 @@
.type = TUNER_PARAM_TYPE_NTSC,
.ranges = tuner_panasonic_vp27_ntsc_ranges,
.count = ARRAY_SIZE(tuner_panasonic_vp27_ntsc_ranges),
+ .has_tda9887 = 1,
+ .intercarrier_mode = 1,
},
};
@@ -782,6 +802,13 @@
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_philips_fq12_6a___mk4_pal_ranges,
.count = ARRAY_SIZE(tuner_philips_fq12_6a___mk4_pal_ranges),
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_invert_for_secam_lc = 1,
+ .default_top_mid = -2,
+ .default_top_secam_low = -2,
+ .default_top_secam_mid = -2,
+ .default_top_secam_high = -2,
},
};
@@ -870,6 +897,12 @@
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_philips_fmd1216me_mk3_pal_ranges,
.count = ARRAY_SIZE(tuner_philips_fmd1216me_mk3_pal_ranges),
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_active = 1,
+ .port2_fm_high_sensitivity = 1,
+ .port2_invert_for_secam_lc = 1,
+ .port1_set_for_fm_mono = 1,
},
};
@@ -1005,6 +1038,7 @@
.type = TUNER_PARAM_TYPE_NTSC,
.ranges = tuner_samsung_tcpn_2121p30a_ntsc_ranges,
.count = ARRAY_SIZE(tuner_samsung_tcpn_2121p30a_ntsc_ranges),
+ .has_tda9887 = 1,
},
};
@@ -1037,6 +1071,10 @@
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_samsung_tcpg_6121p30a_pal_ranges,
.count = ARRAY_SIZE(tuner_samsung_tcpg_6121p30a_pal_ranges),
+ .has_tda9887 = 1,
+ .port1_active = 1,
+ .port2_active = 1,
+ .port2_invert_for_secam_lc = 1,
},
};
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index 30f8d80..d95529e 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -73,14 +73,14 @@
}
hauppauge_tuner_fmt[] =
{
- { V4L2_STD_UNKNOWN," UNKNOWN" },
- { V4L2_STD_UNKNOWN," FM" },
- { V4L2_STD_PAL_BG, " PAL(B/G)" },
- { V4L2_STD_NTSC_M, " NTSC(M)" },
- { V4L2_STD_PAL_I, " PAL(I)" },
- { V4L2_STD_SECAM_L," SECAM(L/L')" },
- { V4L2_STD_PAL_DK, " PAL(D/D1/K)" },
- { V4L2_STD_ATSC, " ATSC/DVB Digital" },
+ { V4L2_STD_UNKNOWN, " UNKNOWN" },
+ { V4L2_STD_UNKNOWN, " FM" },
+ { V4L2_STD_B|V4L2_STD_GH, " PAL(B/G)" },
+ { V4L2_STD_MN, " NTSC(M)" },
+ { V4L2_STD_PAL_I, " PAL(I)" },
+ { V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
+ { V4L2_STD_DK, " PAL(D/D1/K)" },
+ { V4L2_STD_ATSC, " ATSC/DVB Digital" },
};
/* This is the full list of possible tuners. Many thanks to Hauppauge for
@@ -219,7 +219,7 @@
{ TUNER_ABSENT, "Thompson DTT75105"},
{ TUNER_ABSENT, "Conexant_CX24109"},
{ TUNER_TCL_2002N, "TCL M2523_5N_E"},
- { TUNER_ABSENT, "TCL M2523_3DB_E"},
+ { TUNER_TCL_2002MB, "TCL M2523_3DB_E"},
{ TUNER_ABSENT, "Philips 8275A"},
{ TUNER_ABSENT, "Microtune MT2060"},
{ TUNER_ABSENT, "Philips FM1236 MK5"},
diff --git a/drivers/media/video/videocodec.h b/drivers/media/video/videocodec.h
index 8c23372..97a3bbe 100644
--- a/drivers/media/video/videocodec.h
+++ b/drivers/media/video/videocodec.h
@@ -222,14 +222,14 @@
/* ========================= */
struct vfe_polarity {
- int vsync_pol:1;
- int hsync_pol:1;
- int field_pol:1;
- int blank_pol:1;
- int subimg_pol:1;
- int poe_pol:1;
- int pvalid_pol:1;
- int vclk_pol:1;
+ unsigned int vsync_pol:1;
+ unsigned int hsync_pol:1;
+ unsigned int field_pol:1;
+ unsigned int blank_pol:1;
+ unsigned int subimg_pol:1;
+ unsigned int poe_pol:1;
+ unsigned int pvalid_pol:1;
+ unsigned int vclk_pol:1;
};
struct vfe_settings {
diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c
index 441de82..48434d79 100644
--- a/drivers/net/pcmcia/com20020_cs.c
+++ b/drivers/net/pcmcia/com20020_cs.c
@@ -387,7 +387,10 @@
}
static struct pcmcia_device_id com20020_ids[] = {
- PCMCIA_DEVICE_PROD_ID12("Contemporary Control Systems, Inc.", "PCM20 Arcnet Adapter", 0x59991666, 0x95dfffaf),
+ PCMCIA_DEVICE_PROD_ID12("Contemporary Control Systems, Inc.",
+ "PCM20 Arcnet Adapter", 0x59991666, 0x95dfffaf),
+ PCMCIA_DEVICE_PROD_ID12("SoHard AG",
+ "SH ARC PCMCIA", 0xf8991729, 0x69dff0c7),
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, com20020_ids);
diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index c309d2e..52e6df5 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -843,7 +843,7 @@
PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
- PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000),
+/* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 133a616..bf00fa2 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -410,16 +410,17 @@
static __inline__ int led_get_diskio_activity(void)
{
static unsigned long last_pgpgin, last_pgpgout;
- struct page_state pgstat;
+ unsigned long events[NR_VM_EVENT_ITEMS];
int changed;
- get_full_page_state(&pgstat); /* get no of sectors in & out */
+ all_vm_events(events);
/* Just use a very simple calculation here. Do not care about overflow,
since we only want to know if there was activity or not. */
- changed = (pgstat.pgpgin != last_pgpgin) || (pgstat.pgpgout != last_pgpgout);
- last_pgpgin = pgstat.pgpgin;
- last_pgpgout = pgstat.pgpgout;
+ changed = (events[PGPGIN] != last_pgpgin) ||
+ (events[PGPGOUT] != last_pgpgout);
+ last_pgpgin = events[PGPGIN];
+ last_pgpgout = events[PGPGOUT];
return (changed ? LED_DISK_IO : 0);
}
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index 421cfff..34a1891 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -40,8 +40,7 @@
ibmphp_hpc.o
acpiphp-objs := acpiphp_core.o \
- acpiphp_glue.o \
- acpiphp_dock.o
+ acpiphp_glue.o
rpaphp-objs := rpaphp_core.o \
rpaphp_pci.o \
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 17a93f8..be104ec 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -130,7 +130,7 @@
struct list_head sibling;
struct pci_dev *pci_dev;
-
+ struct notifier_block nb;
acpi_handle handle;
u8 function; /* pci function# */
@@ -151,24 +151,6 @@
};
-struct dependent_device {
- struct list_head device_list;
- struct list_head pci_list;
- acpi_handle handle;
- struct acpiphp_func *func;
-};
-
-
-struct acpiphp_dock_station {
- acpi_handle handle;
- u32 last_dock_time;
- u32 flags;
- struct acpiphp_func *dock_bridge;
- struct list_head dependent_devices;
- struct list_head pci_dependent_devices;
-};
-
-
/* PCI bus bridge HID */
#define ACPI_PCI_HOST_HID "PNP0A03"
@@ -207,11 +189,6 @@
#define FUNC_HAS_PS2 (0x00000040)
#define FUNC_HAS_PS3 (0x00000080)
#define FUNC_HAS_DCK (0x00000100)
-#define FUNC_IS_DD (0x00000200)
-
-/* dock station flags */
-#define DOCK_DOCKING (0x00000001)
-#define DOCK_HAS_BRIDGE (0x00000002)
/* function prototypes */
@@ -226,7 +203,6 @@
extern void acpiphp_glue_exit (void);
extern int acpiphp_get_num_slots (void);
typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data);
-void handle_hotplug_event_func(acpi_handle, u32, void*);
extern int acpiphp_enable_slot (struct acpiphp_slot *slot);
extern int acpiphp_disable_slot (struct acpiphp_slot *slot);
@@ -236,16 +212,6 @@
extern u8 acpiphp_get_adapter_status (struct acpiphp_slot *slot);
extern u32 acpiphp_get_address (struct acpiphp_slot *slot);
-/* acpiphp_dock.c */
-extern int find_dock_station(void);
-extern void remove_dock_station(void);
-extern void add_dependent_device(struct dependent_device *new_dd);
-extern void add_pci_dependent_device(struct dependent_device *new_dd);
-extern struct dependent_device *get_dependent_device(acpi_handle handle);
-extern int is_dependent_device(acpi_handle handle);
-extern int detect_dependent_devices(acpi_handle *bridge_handle);
-extern struct dependent_device *alloc_dependent_device(acpi_handle handle);
-
/* variables */
extern int acpiphp_debug;
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 4f1b0da..34de569 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -416,27 +416,12 @@
static int __init acpiphp_init(void)
{
- int retval;
- int docking_station;
-
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
acpiphp_debug = debug;
- docking_station = find_dock_station();
-
/* read all the ACPI info from the system */
- retval = init_acpi();
-
- /* if we have found a docking station, we should
- * go ahead and load even if init_acpi has found
- * no slots. This handles the case when the _DCK
- * method not defined under the actual dock bridge
- */
- if (docking_station)
- return 0;
- else
- return retval;
+ return init_acpi();
}
@@ -444,8 +429,6 @@
{
/* deallocate internal data structures etc. */
acpiphp_glue_exit();
-
- remove_dock_station();
}
module_init(acpiphp_init);
diff --git a/drivers/pci/hotplug/acpiphp_dock.c b/drivers/pci/hotplug/acpiphp_dock.c
deleted file mode 100644
index 4f1aaf1..0000000
--- a/drivers/pci/hotplug/acpiphp_dock.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * ACPI PCI HotPlug dock functions to ACPI CA subsystem
- *
- * Copyright (C) 2006 Kristen Carlson Accardi (kristen.c.accardi@intel.com)
- * Copyright (C) 2006 Intel Corporation
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Send feedback to <kristen.c.accardi@intel.com>
- *
- */
-#include <linux/init.h>
-#include <linux/module.h>
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/smp_lock.h>
-#include <linux/mutex.h>
-
-#include "../pci.h"
-#include "pci_hotplug.h"
-#include "acpiphp.h"
-
-static struct acpiphp_dock_station *ds;
-#define MY_NAME "acpiphp_dock"
-
-
-int is_dependent_device(acpi_handle handle)
-{
- return (get_dependent_device(handle) ? 1 : 0);
-}
-
-
-static acpi_status
-find_dependent_device(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
- int *count = (int *)context;
-
- if (is_dependent_device(handle)) {
- (*count)++;
- return AE_CTRL_TERMINATE;
- } else {
- return AE_OK;
- }
-}
-
-
-
-
-void add_dependent_device(struct dependent_device *new_dd)
-{
- list_add_tail(&new_dd->device_list, &ds->dependent_devices);
-}
-
-
-void add_pci_dependent_device(struct dependent_device *new_dd)
-{
- list_add_tail(&new_dd->pci_list, &ds->pci_dependent_devices);
-}
-
-
-
-struct dependent_device * get_dependent_device(acpi_handle handle)
-{
- struct dependent_device *dd;
-
- if (!ds)
- return NULL;
-
- list_for_each_entry(dd, &ds->dependent_devices, device_list) {
- if (handle == dd->handle)
- return dd;
- }
- return NULL;
-}
-
-
-
-struct dependent_device *alloc_dependent_device(acpi_handle handle)
-{
- struct dependent_device *dd;
-
- dd = kzalloc(sizeof(*dd), GFP_KERNEL);
- if (dd) {
- INIT_LIST_HEAD(&dd->pci_list);
- INIT_LIST_HEAD(&dd->device_list);
- dd->handle = handle;
- }
- return dd;
-}
-
-
-
-static int is_dock(acpi_handle handle)
-{
- acpi_status status;
- acpi_handle tmp;
-
- status = acpi_get_handle(handle, "_DCK", &tmp);
- if (ACPI_FAILURE(status)) {
- return 0;
- }
- return 1;
-}
-
-
-
-static int dock_present(void)
-{
- unsigned long sta;
- acpi_status status;
-
- if (ds) {
- status = acpi_evaluate_integer(ds->handle, "_STA", NULL, &sta);
- if (ACPI_SUCCESS(status) && sta)
- return 1;
- }
- return 0;
-}
-
-
-
-static void eject_dock(void)
-{
- struct acpi_object_list arg_list;
- union acpi_object arg;
-
- arg_list.count = 1;
- arg_list.pointer = &arg;
- arg.type = ACPI_TYPE_INTEGER;
- arg.integer.value = 1;
-
- if (ACPI_FAILURE(acpi_evaluate_object(ds->handle, "_EJ0",
- &arg_list, NULL)) || dock_present())
- warn("%s: failed to eject dock!\n", __FUNCTION__);
-
- return;
-}
-
-
-
-
-static acpi_status handle_dock(int dock)
-{
- acpi_status status;
- struct acpi_object_list arg_list;
- union acpi_object arg;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-
- dbg("%s: %s\n", __FUNCTION__, dock ? "docking" : "undocking");
-
- /* _DCK method has one argument */
- arg_list.count = 1;
- arg_list.pointer = &arg;
- arg.type = ACPI_TYPE_INTEGER;
- arg.integer.value = dock;
- status = acpi_evaluate_object(ds->handle, "_DCK",
- &arg_list, &buffer);
- if (ACPI_FAILURE(status))
- err("%s: failed to execute _DCK\n", __FUNCTION__);
- acpi_os_free(buffer.pointer);
-
- return status;
-}
-
-
-
-static inline void dock(void)
-{
- handle_dock(1);
-}
-
-
-
-static inline void undock(void)
-{
- handle_dock(0);
-}
-
-
-
-/*
- * the _DCK method can do funny things... and sometimes not
- * hah-hah funny.
- *
- * TBD - figure out a way to only call fixups for
- * systems that require them.
- */
-static void post_dock_fixups(void)
-{
- struct pci_bus *bus;
- u32 buses;
- struct dependent_device *dd;
-
- list_for_each_entry(dd, &ds->pci_dependent_devices, pci_list) {
- bus = dd->func->slot->bridge->pci_bus;
-
- /* fixup bad _DCK function that rewrites
- * secondary bridge on slot
- */
- pci_read_config_dword(bus->self,
- PCI_PRIMARY_BUS,
- &buses);
-
- if (((buses >> 8) & 0xff) != bus->secondary) {
- buses = (buses & 0xff000000)
- | ((unsigned int)(bus->primary) << 0)
- | ((unsigned int)(bus->secondary) << 8)
- | ((unsigned int)(bus->subordinate) << 16);
- pci_write_config_dword(bus->self,
- PCI_PRIMARY_BUS,
- buses);
- }
- }
-}
-
-
-
-static void hotplug_pci(u32 type)
-{
- struct dependent_device *dd;
-
- list_for_each_entry(dd, &ds->pci_dependent_devices, pci_list)
- handle_hotplug_event_func(dd->handle, type, dd->func);
-}
-
-
-
-static inline void begin_dock(void)
-{
- ds->flags |= DOCK_DOCKING;
-}
-
-
-static inline void complete_dock(void)
-{
- ds->flags &= ~(DOCK_DOCKING);
- ds->last_dock_time = jiffies;
-}
-
-
-static int dock_in_progress(void)
-{
- if (ds->flags & DOCK_DOCKING ||
- ds->last_dock_time == jiffies) {
- dbg("dock in progress\n");
- return 1;
- }
- return 0;
-}
-
-
-
-static void
-handle_hotplug_event_dock(acpi_handle handle, u32 type, void *context)
-{
- dbg("%s: enter\n", __FUNCTION__);
-
- switch (type) {
- case ACPI_NOTIFY_BUS_CHECK:
- dbg("BUS Check\n");
- if (!dock_in_progress() && dock_present()) {
- begin_dock();
- dock();
- if (!dock_present()) {
- err("Unable to dock!\n");
- break;
- }
- post_dock_fixups();
- hotplug_pci(type);
- complete_dock();
- }
- break;
- case ACPI_NOTIFY_EJECT_REQUEST:
- dbg("EJECT request\n");
- if (!dock_in_progress() && dock_present()) {
- hotplug_pci(type);
- undock();
- eject_dock();
- if (dock_present())
- err("Unable to undock!\n");
- }
- break;
- }
-}
-
-
-
-
-static acpi_status
-find_dock_ejd(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
- acpi_status status;
- acpi_handle tmp;
- acpi_handle dck_handle = (acpi_handle) context;
- char objname[64];
- struct acpi_buffer buffer = { .length = sizeof(objname),
- .pointer = objname };
- struct acpi_buffer ejd_buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *ejd_obj;
-
- status = acpi_get_handle(handle, "_EJD", &tmp);
- if (ACPI_FAILURE(status))
- return AE_OK;
-
- /* make sure we are dependent on the dock device,
- * by executing the _EJD method, then getting a handle
- * to the device referenced by that name. If that
- * device handle is the same handle as the dock station
- * handle, then we are a device dependent on the dock station
- */
- acpi_get_name(dck_handle, ACPI_FULL_PATHNAME, &buffer);
- status = acpi_evaluate_object(handle, "_EJD", NULL, &ejd_buffer);
- if (ACPI_FAILURE(status)) {
- err("Unable to execute _EJD!\n");
- goto find_ejd_out;
- }
- ejd_obj = ejd_buffer.pointer;
- status = acpi_get_handle(NULL, ejd_obj->string.pointer, &tmp);
- if (ACPI_FAILURE(status))
- goto find_ejd_out;
-
- if (tmp == dck_handle) {
- struct dependent_device *dd;
- dbg("%s: found device dependent on dock\n", __FUNCTION__);
- dd = alloc_dependent_device(handle);
- if (!dd) {
- err("Can't allocate memory for dependent device!\n");
- goto find_ejd_out;
- }
- add_dependent_device(dd);
- }
-
-find_ejd_out:
- acpi_os_free(ejd_buffer.pointer);
- return AE_OK;
-}
-
-
-
-int detect_dependent_devices(acpi_handle *bridge_handle)
-{
- acpi_status status;
- int count;
-
- count = 0;
-
- status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle,
- (u32)1, find_dependent_device,
- (void *)&count, NULL);
-
- return count;
-}
-
-
-
-
-
-static acpi_status
-find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
- int *count = (int *)context;
-
- if (is_dock(handle)) {
- dbg("%s: found dock\n", __FUNCTION__);
- ds = kzalloc(sizeof(*ds), GFP_KERNEL);
- ds->handle = handle;
- INIT_LIST_HEAD(&ds->dependent_devices);
- INIT_LIST_HEAD(&ds->pci_dependent_devices);
-
- /* look for devices dependent on dock station */
- acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, find_dock_ejd, handle, NULL);
-
- acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
- handle_hotplug_event_dock, ds);
- (*count)++;
- }
-
- return AE_OK;
-}
-
-
-
-
-int find_dock_station(void)
-{
- int num = 0;
-
- ds = NULL;
-
- /* start from the root object, because some laptops define
- * _DCK methods outside the scope of PCI (IBM x-series laptop)
- */
- acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX, find_dock, &num, NULL);
-
- return num;
-}
-
-
-
-void remove_dock_station(void)
-{
- struct dependent_device *dd, *tmp;
- if (ds) {
- if (ACPI_FAILURE(acpi_remove_notify_handler(ds->handle,
- ACPI_SYSTEM_NOTIFY, handle_hotplug_event_dock)))
- err("failed to remove dock notify handler\n");
-
- /* free all dependent devices */
- list_for_each_entry_safe(dd, tmp, &ds->dependent_devices,
- device_list)
- kfree(dd);
-
- /* no need to touch the pci_dependent_device list,
- * cause all memory was freed above
- */
- kfree(ds);
- }
-}
-
-
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index d370f99..ef95d12 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -59,6 +59,7 @@
static void handle_hotplug_event_bridge (acpi_handle, u32, void *);
static void acpiphp_sanitize_bus(struct pci_bus *bus);
static void acpiphp_set_hpp_values(acpi_handle handle, struct pci_bus *bus);
+static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context);
/*
@@ -116,6 +117,59 @@
}
}
+/* callback routine to check for the existance of a pci dock device */
+static acpi_status
+is_pci_dock_device(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+ int *count = (int *)context;
+
+ if (is_dock_device(handle)) {
+ (*count)++;
+ return AE_CTRL_TERMINATE;
+ } else {
+ return AE_OK;
+ }
+}
+
+
+
+
+/*
+ * the _DCK method can do funny things... and sometimes not
+ * hah-hah funny.
+ *
+ * TBD - figure out a way to only call fixups for
+ * systems that require them.
+ */
+static int post_dock_fixups(struct notifier_block *nb, unsigned long val,
+ void *v)
+{
+ struct acpiphp_func *func = container_of(nb, struct acpiphp_func, nb);
+ struct pci_bus *bus = func->slot->bridge->pci_bus;
+ u32 buses;
+
+ if (!bus->self)
+ return NOTIFY_OK;
+
+ /* fixup bad _DCK function that rewrites
+ * secondary bridge on slot
+ */
+ pci_read_config_dword(bus->self,
+ PCI_PRIMARY_BUS,
+ &buses);
+
+ if (((buses >> 8) & 0xff) != bus->secondary) {
+ buses = (buses & 0xff000000)
+ | ((unsigned int)(bus->primary) << 0)
+ | ((unsigned int)(bus->secondary) << 8)
+ | ((unsigned int)(bus->subordinate) << 16);
+ pci_write_config_dword(bus->self, PCI_PRIMARY_BUS, buses);
+ }
+ return NOTIFY_OK;
+}
+
+
+
/* callback routine to register each ACPI PCI slot object */
static acpi_status
@@ -124,7 +178,6 @@
struct acpiphp_bridge *bridge = (struct acpiphp_bridge *)context;
struct acpiphp_slot *slot;
struct acpiphp_func *newfunc;
- struct dependent_device *dd;
acpi_handle tmp;
acpi_status status = AE_OK;
unsigned long adr, sun;
@@ -137,7 +190,7 @@
status = acpi_get_handle(handle, "_EJ0", &tmp);
- if (ACPI_FAILURE(status) && !(is_dependent_device(handle)))
+ if (ACPI_FAILURE(status) && !(is_dock_device(handle)))
return AE_OK;
device = (adr >> 16) & 0xffff;
@@ -162,22 +215,17 @@
if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS3", &tmp)))
newfunc->flags |= FUNC_HAS_PS3;
- if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) {
+ if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp)))
newfunc->flags |= FUNC_HAS_DCK;
- /* add to devices dependent on dock station,
- * because this may actually be the dock bridge
- */
- dd = alloc_dependent_device(handle);
- if (!dd)
- err("Can't allocate memory for "
- "new dependent device!\n");
- else
- add_dependent_device(dd);
- }
status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun);
- if (ACPI_FAILURE(status))
- sun = -1;
+ if (ACPI_FAILURE(status)) {
+ /*
+ * use the count of the number of slots we've found
+ * for the number of the slot
+ */
+ sun = bridge->nr_slots+1;
+ }
/* search for objects that share the same slot */
for (slot = bridge->slots; slot; slot = slot->next)
@@ -225,20 +273,23 @@
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
}
- /* if this is a device dependent on a dock station,
- * associate the acpiphp_func to the dependent_device
- * struct.
- */
- if ((dd = get_dependent_device(handle))) {
- newfunc->flags |= FUNC_IS_DD;
- /*
- * we don't want any devices which is dependent
- * on the dock to have it's _EJ0 method executed.
- * because we need to run _DCK first.
+ if (is_dock_device(handle)) {
+ /* we don't want to call this device's _EJ0
+ * because we want the dock notify handler
+ * to call it after it calls _DCK
*/
newfunc->flags &= ~FUNC_HAS_EJ0;
- dd->func = newfunc;
- add_pci_dependent_device(dd);
+ if (register_hotplug_dock_device(handle,
+ handle_hotplug_event_func, newfunc))
+ dbg("failed to register dock device\n");
+
+ /* we need to be notified when dock events happen
+ * outside of the hotplug operation, since we may
+ * need to do fixups before we can hotplug.
+ */
+ newfunc->nb.notifier_call = post_dock_fixups;
+ if (register_dock_notifier(&newfunc->nb))
+ dbg("failed to register a dock notifier");
}
/* install notify handler */
@@ -277,6 +328,15 @@
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle, (u32)1,
is_ejectable_slot, (void *)&count, NULL);
+ /*
+ * we also need to add this bridge if there is a dock bridge or
+ * other pci device on a dock station (removable)
+ */
+ if (!count)
+ status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle,
+ (u32)1, is_pci_dock_device, (void *)&count,
+ NULL);
+
return count;
}
@@ -487,8 +547,7 @@
goto out;
/* check if this bridge has ejectable slots */
- if ((detect_ejectable_slots(handle) > 0) ||
- (detect_dependent_devices(handle) > 0)) {
+ if ((detect_ejectable_slots(handle) > 0)) {
dbg("found PCI-to-PCI bridge at PCI %s\n", pci_name(dev));
add_p2p_bridge(handle, dev);
}
@@ -605,6 +664,10 @@
list_for_each_safe (list, tmp, &slot->funcs) {
struct acpiphp_func *func;
func = list_entry(list, struct acpiphp_func, sibling);
+ if (is_dock_device(func->handle)) {
+ unregister_hotplug_dock_device(func->handle);
+ unregister_dock_notifier(&func->nb);
+ }
if (!(func->flags & FUNC_HAS_DCK)) {
status = acpi_remove_notify_handler(func->handle,
ACPI_SYSTEM_NOTIFY,
@@ -1440,7 +1503,7 @@
* handles ACPI event notification on slots
*
*/
-void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context)
+static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context)
{
struct acpiphp_func *func;
char objname[64];
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index a4d5094..5256342 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -214,11 +214,10 @@
/*--------------------------------------------------------------------------*/
-static int __init at91_cf_probe(struct device *dev)
+static int __init at91_cf_probe(struct platform_device *pdev)
{
struct at91_cf_socket *cf;
- struct at91_cf_data *board = dev->platform_data;
- struct platform_device *pdev = to_platform_device(dev);
+ struct at91_cf_data *board = pdev->dev.platform_data;
struct resource *io;
unsigned int csa;
int status;
@@ -236,7 +235,7 @@
cf->board = board;
cf->pdev = pdev;
- dev_set_drvdata(dev, cf);
+ platform_set_drvdata(pdev, cf);
/* CF takes over CS4, CS5, CS6 */
csa = at91_sys_read(AT91_EBI_CSA);
@@ -271,6 +270,7 @@
SA_SAMPLE_RANDOM, driver_name, cf);
if (status < 0)
goto fail0;
+ device_init_wakeup(&pdev->dev, 1);
/*
* The card driver will request this irq later as needed.
@@ -301,7 +301,7 @@
board->det_pin, board->irq_pin);
cf->socket.owner = THIS_MODULE;
- cf->socket.dev.dev = dev;
+ cf->socket.dev.dev = &pdev->dev;
cf->socket.ops = &at91_cf_ops;
cf->socket.resource_ops = &pccard_static_ops;
cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP
@@ -323,21 +323,25 @@
free_irq(board->irq_pin, cf);
fail0a:
free_irq(board->det_pin, cf);
+ device_init_wakeup(&pdev->dev, 0);
fail0:
at91_sys_write(AT91_EBI_CSA, csa);
kfree(cf);
return status;
}
-static int __exit at91_cf_remove(struct device *dev)
+static int __exit at91_cf_remove(struct platform_device *pdev)
{
- struct at91_cf_socket *cf = dev_get_drvdata(dev);
+ struct at91_cf_socket *cf = platform_get_drvdata(pdev);
+ struct at91_cf_data *board = cf->board;
struct resource *io = cf->socket.io[0].res;
unsigned int csa;
pcmcia_unregister_socket(&cf->socket);
- free_irq(cf->board->irq_pin, cf);
- free_irq(cf->board->det_pin, cf);
+ if (board->irq_pin)
+ free_irq(board->irq_pin, cf);
+ free_irq(board->det_pin, cf);
+ device_init_wakeup(&pdev->dev, 0);
iounmap((void __iomem *) cf->socket.io_offset);
release_mem_region(io->start, io->end + 1 - io->start);
@@ -348,26 +352,65 @@
return 0;
}
-static struct device_driver at91_cf_driver = {
- .name = (char *) driver_name,
- .bus = &platform_bus_type,
+#ifdef CONFIG_PM
+
+static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+ struct at91_cf_socket *cf = platform_get_drvdata(pdev);
+ struct at91_cf_data *board = cf->board;
+
+ pcmcia_socket_dev_suspend(&pdev->dev, mesg);
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(board->det_pin);
+ else {
+ disable_irq_wake(board->det_pin);
+ disable_irq(board->det_pin);
+ }
+ if (board->irq_pin)
+ disable_irq(board->irq_pin);
+ return 0;
+}
+
+static int at91_cf_resume(struct platform_device *pdev)
+{
+ struct at91_cf_socket *cf = platform_get_drvdata(pdev);
+ struct at91_cf_data *board = cf->board;
+
+ if (board->irq_pin)
+ enable_irq(board->irq_pin);
+ if (!device_may_wakeup(&pdev->dev))
+ enable_irq(board->det_pin);
+ pcmcia_socket_dev_resume(&pdev->dev);
+ return 0;
+}
+
+#else
+#define at91_cf_suspend NULL
+#define at91_cf_resume NULL
+#endif
+
+static struct platform_driver at91_cf_driver = {
+ .driver = {
+ .name = (char *) driver_name,
+ .owner = THIS_MODULE,
+ },
.probe = at91_cf_probe,
.remove = __exit_p(at91_cf_remove),
- .suspend = pcmcia_socket_dev_suspend,
- .resume = pcmcia_socket_dev_resume,
+ .suspend = at91_cf_suspend,
+ .resume = at91_cf_resume,
};
/*--------------------------------------------------------------------------*/
static int __init at91_cf_init(void)
{
- return driver_register(&at91_cf_driver);
+ return platform_driver_register(&at91_cf_driver);
}
module_init(at91_cf_init);
static void __exit at91_cf_exit(void)
{
- driver_unregister(&at91_cf_driver);
+ platform_driver_unregister(&at91_cf_driver);
}
module_exit(at91_cf_exit);
diff --git a/drivers/pcmcia/au1000_db1x00.c b/drivers/pcmcia/au1000_db1x00.c
index 24cfee1..74e0515 100644
--- a/drivers/pcmcia/au1000_db1x00.c
+++ b/drivers/pcmcia/au1000_db1x00.c
@@ -295,7 +295,7 @@
.socket_suspend = db1x00_socket_suspend
};
-int __init au1x_board_init(struct device *dev)
+int au1x_board_init(struct device *dev)
{
int ret = -ENODEV;
bcsr->pcmcia = 0; /* turn off power, if it's not already off */
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 3162998..f9cd831 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -28,6 +28,7 @@
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/device.h>
+#include <linux/kthread.h>
#include <asm/system.h>
#include <asm/irq.h>
@@ -176,6 +177,7 @@
*/
int pcmcia_register_socket(struct pcmcia_socket *socket)
{
+ struct task_struct *tsk;
int ret;
if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops)
@@ -239,15 +241,18 @@
mutex_init(&socket->skt_mutex);
spin_lock_init(&socket->thread_lock);
- ret = kernel_thread(pccardd, socket, CLONE_KERNEL);
- if (ret < 0)
+ tsk = kthread_run(pccardd, socket, "pccardd");
+ if (IS_ERR(tsk)) {
+ ret = PTR_ERR(tsk);
goto err;
+ }
wait_for_completion(&socket->thread_done);
- if(!socket->thread) {
+ if (!socket->thread) {
printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);
return -EIO;
}
+
pcmcia_parse_events(socket, SS_DETECT);
return 0;
@@ -272,10 +277,8 @@
cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
if (socket->thread) {
- init_completion(&socket->thread_done);
- socket->thread = NULL;
wake_up(&socket->thread_wait);
- wait_for_completion(&socket->thread_done);
+ kthread_stop(socket->thread);
}
release_cis_mem(socket);
@@ -630,8 +633,6 @@
DECLARE_WAITQUEUE(wait, current);
int ret;
- daemonize("pccardd");
-
skt->thread = current;
skt->socket = dead_socket;
skt->ops->init(skt);
@@ -643,7 +644,8 @@
printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",
skt);
skt->thread = NULL;
- complete_and_exit(&skt->thread_done, 0);
+ complete(&skt->thread_done);
+ return 0;
}
add_wait_queue(&skt->thread_wait, &wait);
@@ -674,7 +676,7 @@
continue;
}
- if (!skt->thread)
+ if (kthread_should_stop())
break;
schedule();
@@ -688,7 +690,7 @@
/* remove from the device core */
class_device_unregister(&skt->dev);
- complete_and_exit(&skt->thread_done, 0);
+ return 0;
}
/*
@@ -697,11 +699,12 @@
*/
void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
{
+ unsigned long flags;
cs_dbg(s, 4, "parse_events: events %08x\n", events);
if (s->thread) {
- spin_lock(&s->thread_lock);
+ spin_lock_irqsave(&s->thread_lock, flags);
s->thread_events |= events;
- spin_unlock(&s->thread_lock);
+ spin_unlock_irqrestore(&s->thread_lock, flags);
wake_up(&s->thread_wait);
}
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 3131bb0..3281e51 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -788,6 +788,7 @@
struct pcmcia_socket *s = p_dev->socket;
config_t *c;
int ret = CS_IN_USE, irq = 0;
+ int type;
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
@@ -797,6 +798,13 @@
if (c->state & CONFIG_IRQ_REQ)
return CS_IN_USE;
+ /* Decide what type of interrupt we are registering */
+ type = 0;
+ if (s->functions > 1) /* All of this ought to be handled higher up */
+ type = SA_SHIRQ;
+ if (req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)
+ type = SA_SHIRQ;
+
#ifdef CONFIG_PCMCIA_PROBE
if (s->irq.AssignedIRQ != 0) {
/* If the interrupt is already assigned, it must be the same */
@@ -822,9 +830,7 @@
* marked as used by the kernel resource management core */
ret = request_irq(irq,
(req->Attributes & IRQ_HANDLE_PRESENT) ? req->Handler : test_action,
- ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
- (s->functions > 1) ||
- (irq == s->pci_irq)) ? SA_SHIRQ : 0,
+ type,
p_dev->devname,
(req->Attributes & IRQ_HANDLE_PRESENT) ? req->Instance : data);
if (!ret) {
@@ -839,18 +845,21 @@
if (ret && !s->irq.AssignedIRQ) {
if (!s->pci_irq)
return ret;
+ type = SA_SHIRQ;
irq = s->pci_irq;
}
- if (ret && req->Attributes & IRQ_HANDLE_PRESENT) {
- if (request_irq(irq, req->Handler,
- ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
- (s->functions > 1) ||
- (irq == s->pci_irq)) ? SA_SHIRQ : 0,
- p_dev->devname, req->Instance))
+ if (ret && (req->Attributes & IRQ_HANDLE_PRESENT)) {
+ if (request_irq(irq, req->Handler, type, p_dev->devname, req->Instance))
return CS_IN_USE;
}
+ /* Make sure the fact the request type was overridden is passed back */
+ if (type == SA_SHIRQ && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) {
+ req->Attributes |= IRQ_TYPE_DYNAMIC_SHARING;
+ printk(KERN_WARNING "pcmcia: request for exclusive IRQ could not be fulfilled.\n");
+ printk(KERN_WARNING "pcmcia: the driver needs updating to supported shared IRQ lines.\n");
+ }
c->irq.Attributes = req->Attributes;
s->irq.AssignedIRQ = req->AssignedIRQ = irq;
s->irq.Config++;
diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h
index 7a3d1b8..62e9ebf 100644
--- a/drivers/pcmcia/ti113x.h
+++ b/drivers/pcmcia/ti113x.h
@@ -647,6 +647,7 @@
*/
break;
+ case PCI_DEVICE_ID_TI_XX12:
case PCI_DEVICE_ID_TI_X515:
case PCI_DEVICE_ID_TI_X420:
case PCI_DEVICE_ID_TI_X620:
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 4145eb8..47e5760 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -287,7 +287,10 @@
struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
u16 bridge;
- yenta_set_power(socket, state);
+ /* if powering down: do it immediately */
+ if (state->Vcc == 0)
+ yenta_set_power(socket, state);
+
socket->io_irq = state->io_irq;
bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
@@ -339,6 +342,10 @@
/* Socket event mask: get card insert/remove events.. */
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
+
+ /* if powering up: do it as the last step when the socket is configured */
+ if (state->Vcc != 0)
+ yenta_set_power(socket, state);
return 0;
}
@@ -998,6 +1005,77 @@
config_writew(socket, CB_BRIDGE_CONTROL, bridge);
}
+/**
+ * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
+ * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
+ *
+ * Checks if devices on the bus which the CardBus bridge bridges to would be
+ * invisible during PCI scans because of a misconfigured subordinate number
+ * of the parent brige - some BIOSes seem to be too lazy to set it right.
+ * Does the fixup carefully by checking how far it can go without conflicts.
+ * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
+ */
+static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
+{
+ struct list_head *tmp;
+ unsigned char upper_limit;
+ /*
+ * We only check and fix the parent bridge: All systems which need
+ * this fixup that have been reviewed are laptops and the only bridge
+ * which needed fixing was the parent bridge of the CardBus bridge:
+ */
+ struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
+
+ /* Check bus numbers are already set up correctly: */
+ if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
+ return; /* The subordinate number is ok, nothing to do */
+
+ if (!bridge_to_fix->parent)
+ return; /* Root bridges are ok */
+
+ /* stay within the limits of the bus range of the parent: */
+ upper_limit = bridge_to_fix->parent->subordinate;
+
+ /* check the bus ranges of all silbling bridges to prevent overlap */
+ list_for_each(tmp, &bridge_to_fix->parent->children) {
+ struct pci_bus * silbling = pci_bus_b(tmp);
+ /*
+ * If the silbling has a higher secondary bus number
+ * and it's secondary is equal or smaller than our
+ * current upper limit, set the new upper limit to
+ * the bus number below the silbling's range:
+ */
+ if (silbling->secondary > bridge_to_fix->subordinate
+ && silbling->secondary <= upper_limit)
+ upper_limit = silbling->secondary - 1;
+ }
+
+ /* Show that the wanted subordinate number is not possible: */
+ if (cardbus_bridge->subordinate > upper_limit)
+ printk(KERN_WARNING "Yenta: Upper limit for fixing this "
+ "bridge's parent bridge: #%02x\n", upper_limit);
+
+ /* If we have room to increase the bridge's subordinate number, */
+ if (bridge_to_fix->subordinate < upper_limit) {
+
+ /* use the highest number of the hidden bus, within limits */
+ unsigned char subordinate_to_assign =
+ min(cardbus_bridge->subordinate, upper_limit);
+
+ printk(KERN_INFO "Yenta: Raising subordinate bus# of parent "
+ "bus (#%02x) from #%02x to #%02x\n",
+ bridge_to_fix->number,
+ bridge_to_fix->subordinate, subordinate_to_assign);
+
+ /* Save the new subordinate in the bus struct of the bridge */
+ bridge_to_fix->subordinate = subordinate_to_assign;
+
+ /* and update the PCI config space with the new subordinate */
+ pci_write_config_byte(bridge_to_fix->self,
+ PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
+ }
+}
+
/*
* Initialize a cardbus controller. Make sure we have a usable
* interrupt, and that we can map the cardbus area. Fill in the
@@ -1113,6 +1191,8 @@
yenta_get_socket_capabilities(socket, isa_interrupts);
printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
+ yenta_fixup_parent_bridge(dev->subordinate);
+
/* Register it with the pcmcia layer.. */
ret = pcmcia_register_socket(&socket->socket);
if (ret == 0) {
@@ -1232,6 +1312,7 @@
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
+ CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 2c70773..cbf260b 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -786,6 +786,7 @@
PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"),
PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"),
PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "RS-COM-2P.cis"),
+ PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "GLOBETROTTER.cis"),
/* too generic */
/* PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0160, 0x0002), */
/* PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0160, 0x0002), */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index bcbeaf7..f7bdd94 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -47,6 +47,7 @@
#include <linux/usbdevice_fs.h>
#include <linux/cdev.h>
#include <linux/notifier.h>
+#include <linux/security.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <linux/moduleparam.h>
@@ -68,6 +69,7 @@
void __user *userbuffer;
void __user *userurb;
struct urb *urb;
+ u32 secid;
};
static int usbfs_snoop = 0;
@@ -312,7 +314,7 @@
sinfo.si_code = SI_ASYNCIO;
sinfo.si_addr = as->userurb;
kill_proc_info_as_uid(as->signr, &sinfo, as->pid, as->uid,
- as->euid);
+ as->euid, as->secid);
}
snoop(&urb->dev->dev, "urb complete\n");
snoop_urb(urb, as->userurb);
@@ -572,6 +574,7 @@
ps->disc_euid = current->euid;
ps->disccontext = NULL;
ps->ifclaimed = 0;
+ security_task_getsecid(current, &ps->secid);
wmb();
list_add_tail(&ps->list, &dev->filelist);
file->private_data = ps;
@@ -1053,6 +1056,7 @@
as->pid = current->pid;
as->uid = current->uid;
as->euid = current->euid;
+ security_task_getsecid(current, &as->secid);
if (!(uurb->endpoint & USB_DIR_IN)) {
if (copy_from_user(as->urb->transfer_buffer, uurb->buffer, as->urb->transfer_buffer_length)) {
free_async(as);
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 02a6312..e47e3a8 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -699,7 +699,7 @@
sinfo.si_errno = EPIPE;
sinfo.si_code = SI_ASYNCIO;
sinfo.si_addr = ds->disccontext;
- kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid);
+ kill_proc_info_as_uid(ds->discsignr, &sinfo, ds->disc_pid, ds->disc_uid, ds->disc_euid, ds->secid);
}
}
}
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 7a650c7..49f6923 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -80,6 +80,7 @@
uid_t disc_uid, disc_euid;
void __user *disccontext;
unsigned long ifclaimed;
+ u32 secid;
};
/* internal notify stuff */
diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c
index 7b1c168..cdbae17 100644
--- a/drivers/video/imacfb.c
+++ b/drivers/video/imacfb.c
@@ -207,10 +207,6 @@
size_remap = size_total;
imacfb_fix.smem_len = size_remap;
-#ifndef __i386__
- screen_info.imacpm_seg = 0;
-#endif
-
if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) {
printk(KERN_WARNING
"imacfb: cannot reserve video memory at 0x%lx\n",
diff --git a/fs/buffer.c b/fs/buffer.c
index bf22bb5..3660dcb 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -851,7 +851,7 @@
write_lock_irq(&mapping->tree_lock);
if (page->mapping) { /* Race with truncate? */
if (mapping_cap_account_dirty(mapping))
- inc_page_state(nr_dirty);
+ __inc_zone_page_state(page, NR_FILE_DIRTY);
radix_tree_tag_set(&mapping->page_tree,
page_index(page),
PAGECACHE_TAG_DIRTY);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 031b27a..892643d 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -464,8 +464,8 @@
.range_start = 0,
.range_end = LLONG_MAX,
};
- unsigned long nr_dirty = read_page_state(nr_dirty);
- unsigned long nr_unstable = read_page_state(nr_unstable);
+ unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY);
+ unsigned long nr_unstable = global_page_state(NR_UNSTABLE_NFS);
wbc.nr_to_write = nr_dirty + nr_unstable +
(inodes_stat.nr_inodes - inodes_stat.nr_unused) +
diff --git a/fs/inode.c b/fs/inode.c
index e53796a..0bf9f04 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -451,15 +451,14 @@
nr_pruned++;
}
inodes_stat.nr_unused -= nr_pruned;
+ if (current_is_kswapd())
+ __count_vm_events(KSWAPD_INODESTEAL, reap);
+ else
+ __count_vm_events(PGINODESTEAL, reap);
spin_unlock(&inode_lock);
dispose_list(&freeable);
mutex_unlock(&iprune_mutex);
-
- if (current_is_kswapd())
- mod_page_state(kswapd_inodesteal, reap);
- else
- mod_page_state(pginodesteal, reap);
}
/*
diff --git a/fs/ioprio.c b/fs/ioprio.c
index 7fa76ed..93aa571 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -125,11 +125,24 @@
return ret;
}
+static int get_task_ioprio(struct task_struct *p)
+{
+ int ret;
+
+ ret = security_task_getioprio(p);
+ if (ret)
+ goto out;
+ ret = p->ioprio;
+out:
+ return ret;
+}
+
asmlinkage long sys_ioprio_get(int which, int who)
{
struct task_struct *g, *p;
struct user_struct *user;
int ret = -ESRCH;
+ int tmpio;
read_lock_irq(&tasklist_lock);
switch (which) {
@@ -139,16 +152,19 @@
else
p = find_task_by_pid(who);
if (p)
- ret = p->ioprio;
+ ret = get_task_ioprio(p);
break;
case IOPRIO_WHO_PGRP:
if (!who)
who = process_group(current);
do_each_task_pid(who, PIDTYPE_PGID, p) {
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
if (ret == -ESRCH)
- ret = p->ioprio;
+ ret = tmpio;
else
- ret = ioprio_best(ret, p->ioprio);
+ ret = ioprio_best(ret, tmpio);
} while_each_task_pid(who, PIDTYPE_PGID, p);
break;
case IOPRIO_WHO_USER:
@@ -163,10 +179,13 @@
do_each_thread(g, p) {
if (p->uid != user->uid)
continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
if (ret == -ESRCH)
- ret = p->ioprio;
+ ret = tmpio;
else
- ret = ioprio_best(ret, p->ioprio);
+ ret = ioprio_best(ret, tmpio);
} while_each_thread(g, p);
if (who)
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 52d60c3..e7d5a30 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -93,7 +93,7 @@
*/
if (type)
*type = VM_FAULT_MAJOR;
- inc_page_state(pgmajfault);
+ count_vm_event(PGMAJFAULT);
return page;
}
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index d3ff7abc..36e902a 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -314,6 +314,7 @@
req->wb_index, NFS_PAGE_TAG_DIRTY);
nfs_list_remove_request(req);
nfs_list_add_request(req, dst);
+ dec_zone_page_state(req->wb_page, NR_FILE_DIRTY);
res++;
}
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 1aadc13..bca5734 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -496,7 +496,7 @@
nfs_list_add_request(req, &nfsi->dirty);
nfsi->ndirty++;
spin_unlock(&nfsi->req_lock);
- inc_page_state(nr_dirty);
+ inc_zone_page_state(req->wb_page, NR_FILE_DIRTY);
mark_inode_dirty(inode);
}
@@ -524,7 +524,7 @@
nfs_list_add_request(req, &nfsi->commit);
nfsi->ncommit++;
spin_unlock(&nfsi->req_lock);
- inc_page_state(nr_unstable);
+ inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
mark_inode_dirty(inode);
}
#endif
@@ -608,7 +608,6 @@
if (nfsi->ndirty != 0) {
res = nfs_scan_lock_dirty(nfsi, dst, idx_start, npages);
nfsi->ndirty -= res;
- sub_page_state(nr_dirty,res);
if ((nfsi->ndirty == 0) != list_empty(&nfsi->dirty))
printk(KERN_ERR "NFS: desynchronized value of nfs_i.ndirty.\n");
}
@@ -1393,7 +1392,6 @@
{
struct nfs_write_data *data = calldata;
struct nfs_page *req;
- int res = 0;
dprintk("NFS: %4d nfs_commit_done (status %d)\n",
task->tk_pid, task->tk_status);
@@ -1405,6 +1403,7 @@
while (!list_empty(&data->pages)) {
req = nfs_list_entry(data->pages.next);
nfs_list_remove_request(req);
+ dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
dprintk("NFS: commit (%s/%Ld %d@%Ld)",
req->wb_context->dentry->d_inode->i_sb->s_id,
@@ -1431,9 +1430,7 @@
nfs_mark_request_dirty(req);
next:
nfs_clear_page_writeback(req);
- res++;
}
- sub_page_state(nr_unstable,res);
}
static const struct rpc_call_ops nfs_commit_ops = {
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 3eec300..01bc68c 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -126,7 +126,7 @@
if (*ep)
goto out;
dprintk("found fsidtype %d\n", fsidtype);
- if (fsidtype > 2)
+ if (key_len(fsidtype)==0) /* invalid type */
goto out;
if ((len=qword_get(&mesg, buf, PAGE_SIZE)) <= 0)
goto out;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7c7d016..9daa0b9 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1237,8 +1237,15 @@
return NULL;
}
-#define TEST_ACCESS(x) ((x > 0 || x < 4)?1:0)
-#define TEST_DENY(x) ((x >= 0 || x < 5)?1:0)
+static int access_valid(u32 x)
+{
+ return (x > 0 && x < 4);
+}
+
+static int deny_valid(u32 x)
+{
+ return (x >= 0 && x < 5);
+}
static void
set_access(unsigned int *access, unsigned long bmap) {
@@ -1745,7 +1752,8 @@
int status;
status = nfserr_inval;
- if (!TEST_ACCESS(open->op_share_access) || !TEST_DENY(open->op_share_deny))
+ if (!access_valid(open->op_share_access)
+ || !deny_valid(open->op_share_deny))
goto out;
/*
* Lookup file; if found, lookup stateid and check open request,
@@ -1782,10 +1790,10 @@
} else {
/* Stateid was not found, this is a new OPEN */
int flags = 0;
+ if (open->op_share_access & NFS4_SHARE_ACCESS_READ)
+ flags |= MAY_READ;
if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
- flags = MAY_WRITE;
- else
- flags = MAY_READ;
+ flags |= MAY_WRITE;
status = nfs4_new_open(rqstp, &stp, dp, current_fh, flags);
if (status)
goto out;
@@ -2070,16 +2078,12 @@
if (!stateid->si_fileid) { /* delegation stateid */
if(!(dp = find_delegation_stateid(ino, stateid))) {
dprintk("NFSD: delegation stateid not found\n");
- if (nfs4_in_grace())
- status = nfserr_grace;
goto out;
}
stidp = &dp->dl_stateid;
} else { /* open or lock stateid */
if (!(stp = find_stateid(stateid, flags))) {
dprintk("NFSD: open or lock stateid not found\n");
- if (nfs4_in_grace())
- status = nfserr_grace;
goto out;
}
if ((flags & CHECK_FH) && nfs4_check_fh(current_fh, stp))
@@ -2252,8 +2256,9 @@
(int)current_fh->fh_dentry->d_name.len,
current_fh->fh_dentry->d_name.name);
- if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0)))
- goto out;
+ status = fh_verify(rqstp, current_fh, S_IFREG, 0);
+ if (status)
+ return status;
nfs4_lock_state();
@@ -2320,7 +2325,8 @@
(int)current_fh->fh_dentry->d_name.len,
current_fh->fh_dentry->d_name.name);
- if (!TEST_ACCESS(od->od_share_access) || !TEST_DENY(od->od_share_deny))
+ if (!access_valid(od->od_share_access)
+ || !deny_valid(od->od_share_deny))
return nfserr_inval;
nfs4_lock_state();
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 3f2ec2e..ecc439d 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -187,13 +187,6 @@
goto out;
}
- /* Set user creds for this exportpoint */
- error = nfsd_setuser(rqstp, exp);
- if (error) {
- error = nfserrno(error);
- goto out;
- }
-
/*
* Look up the dentry using the NFS file handle.
*/
@@ -251,6 +244,14 @@
}
cache_get(&exp->h);
+ /* Set user creds for this exportpoint; necessary even in the "just
+ * checking" case because this may be a filehandle that was created by
+ * fh_compose, and that is about to be used in another nfsv4 compound
+ * operation */
+ error = nfserrno(nfsd_setuser(rqstp, exp));
+ if (error)
+ goto out;
+
error = nfsd_mode_check(rqstp, dentry->d_inode->i_mode, type);
if (error)
goto out;
@@ -312,8 +313,8 @@
fh_compose(struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, struct svc_fh *ref_fh)
{
/* ref_fh is a reference file handle.
- * if it is non-null, then we should compose a filehandle which is
- * of the same version, where possible.
+ * if it is non-null and for the same filesystem, then we should compose
+ * a filehandle which is of the same version, where possible.
* Currently, that means that if ref_fh->fh_handle.fh_version == 0xca
* Then create a 32byte filehandle using nfs_fhbase_old
*
@@ -332,7 +333,7 @@
parent->d_name.name, dentry->d_name.name,
(inode ? inode->i_ino : 0));
- if (ref_fh) {
+ if (ref_fh && ref_fh->fh_export == exp) {
ref_fh_version = ref_fh->fh_handle.fh_version;
if (ref_fh_version == 0xca)
ref_fh_fsid_type = 0;
@@ -461,7 +462,7 @@
} else {
int size;
if (fhp->fh_handle.fh_fileid_type != 0)
- goto out_uptodate;
+ goto out;
datap = fhp->fh_handle.fh_auth+
fhp->fh_handle.fh_size/4 -1;
size = (fhp->fh_maxsize - fhp->fh_handle.fh_size)/4;
@@ -481,10 +482,6 @@
printk(KERN_ERR "fh_update: %s/%s still negative!\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
goto out;
-out_uptodate:
- printk(KERN_ERR "fh_update: %s/%s already up-to-date!\n",
- dentry->d_parent->d_name.name, dentry->d_name.name);
- goto out;
}
/*
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index da3ec74..c9e3b5a 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -672,7 +672,10 @@
goto out_nfserr;
if (access & MAY_WRITE) {
- flags = O_WRONLY|O_LARGEFILE;
+ if (access & MAY_READ)
+ flags = O_RDWR|O_LARGEFILE;
+ else
+ flags = O_WRONLY|O_LARGEFILE;
DQUOT_INIT(inode);
}
@@ -833,7 +836,7 @@
if (ra && ra->p_set)
file->f_ra = ra->p_ra;
- if (file->f_op->sendfile) {
+ if (file->f_op->sendfile && rqstp->rq_sendfile_ok) {
svc_pushback_unused_pages(rqstp);
err = file->f_op->sendfile(file, &offset, *count,
nfsd_read_actor, rqstp);
@@ -1516,14 +1519,15 @@
err = nfserrno(err);
}
- fh_unlock(ffhp);
dput(dnew);
+out_unlock:
+ fh_unlock(ffhp);
out:
return err;
out_nfserr:
err = nfserrno(err);
- goto out;
+ goto out_unlock;
}
/*
@@ -1552,7 +1556,7 @@
tdir = tdentry->d_inode;
err = (rqstp->rq_vers == 2) ? nfserr_acces : nfserr_xdev;
- if (fdir->i_sb != tdir->i_sb)
+ if (ffhp->fh_export != tfhp->fh_export)
goto out;
err = nfserr_perm;
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index b8d4885..9f2cfc3 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -119,7 +119,6 @@
{
struct sysinfo i;
int len;
- struct page_state ps;
unsigned long inactive;
unsigned long active;
unsigned long free;
@@ -128,7 +127,6 @@
struct vmalloc_info vmi;
long cached;
- get_page_state(&ps);
get_zone_counts(&active, &inactive, &free);
/*
@@ -141,7 +139,8 @@
allowed = ((totalram_pages - hugetlb_total_pages())
* sysctl_overcommit_ratio / 100) + total_swap_pages;
- cached = get_page_cache_size() - total_swapcache_pages - i.bufferram;
+ cached = global_page_state(NR_FILE_PAGES) -
+ total_swapcache_pages - i.bufferram;
if (cached < 0)
cached = 0;
@@ -166,11 +165,14 @@
"SwapFree: %8lu kB\n"
"Dirty: %8lu kB\n"
"Writeback: %8lu kB\n"
+ "AnonPages: %8lu kB\n"
"Mapped: %8lu kB\n"
"Slab: %8lu kB\n"
+ "PageTables: %8lu kB\n"
+ "NFS Unstable: %8lu kB\n"
+ "Bounce: %8lu kB\n"
"CommitLimit: %8lu kB\n"
"Committed_AS: %8lu kB\n"
- "PageTables: %8lu kB\n"
"VmallocTotal: %8lu kB\n"
"VmallocUsed: %8lu kB\n"
"VmallocChunk: %8lu kB\n",
@@ -187,13 +189,16 @@
K(i.freeram-i.freehigh),
K(i.totalswap),
K(i.freeswap),
- K(ps.nr_dirty),
- K(ps.nr_writeback),
- K(ps.nr_mapped),
- K(ps.nr_slab),
+ K(global_page_state(NR_FILE_DIRTY)),
+ K(global_page_state(NR_WRITEBACK)),
+ K(global_page_state(NR_ANON_PAGES)),
+ K(global_page_state(NR_FILE_MAPPED)),
+ K(global_page_state(NR_SLAB)),
+ K(global_page_state(NR_PAGETABLE)),
+ K(global_page_state(NR_UNSTABLE_NFS)),
+ K(global_page_state(NR_BOUNCE)),
K(allowed),
K(committed),
- K(ps.nr_page_table_pages),
(unsigned long)VMALLOC_TOTAL >> 10,
vmi.used >> 10,
vmi.largest_chunk >> 10
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index b9beceb..b492857 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20060608
+#define ACPI_CA_VERSION 0x20060623
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index 288f849..a22fe9c 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -201,7 +201,7 @@
acpi_status
acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
union acpi_operand_object *obj_desc,
- struct acpi_namespace_node *calling_method_node);
+ struct acpi_walk_state *walk_state);
acpi_status
acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 14531d4..06972e6 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -181,6 +181,12 @@
extern struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1];
+/*****************************************************************************
+ *
+ * Mutual exlusion within ACPICA subsystem
+ *
+ ****************************************************************************/
+
/*
* Predefined mutex objects. This array contains the
* actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
@@ -188,6 +194,20 @@
*/
ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
+/*
+ * Global lock semaphore works in conjunction with the actual HW global lock
+ */
+ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
+
+/*
+ * Spinlocks are used for interfaces that can be possibly called at
+ * interrupt level
+ */
+ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */
+ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */
+#define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock
+#define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock
+
/*****************************************************************************
*
* Miscellaneous globals
@@ -217,7 +237,6 @@
ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
-ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore;
/* Misc */
@@ -315,11 +334,6 @@
ACPI_EXTERN struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
-/* Spinlocks */
-
-ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock;
-ACPI_EXTERN acpi_handle acpi_gbl_hardware_lock;
-
/*****************************************************************************
*
* Debugger globals
diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index 9f22cfc..216339a 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -287,7 +287,10 @@
acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
-acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout);
+acpi_status
+acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
+
+acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
/*
* exoparg1 - ACPI AML execution, 1 operand
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 1eeca7a..56b8024 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -47,10 +47,11 @@
/* acpisrc:struct_defs -- for acpisrc conversion */
#define ACPI_WAIT_FOREVER 0xFFFF /* u16, as per ACPI spec */
-#define ACPI_INFINITE_CONCURRENCY 0xFF
+#define ACPI_DO_NOT_WAIT 0
+#define ACPI_SERIALIZED 0xFF
-typedef void *acpi_mutex;
typedef u32 acpi_mutex_handle;
+#define ACPI_GLOBAL_LOCK (acpi_semaphore) (-1)
/* Total number of aml opcodes defined */
@@ -79,16 +80,15 @@
* table below also!
*/
#define ACPI_MTX_INTERPRETER 0 /* AML Interpreter, main lock */
-#define ACPI_MTX_CONTROL_METHOD 1 /* Control method termination [TBD: may no longer be necessary] */
-#define ACPI_MTX_TABLES 2 /* Data for ACPI tables */
-#define ACPI_MTX_NAMESPACE 3 /* ACPI Namespace */
-#define ACPI_MTX_EVENTS 4 /* Data for ACPI events */
-#define ACPI_MTX_CACHES 5 /* Internal caches, general purposes */
-#define ACPI_MTX_MEMORY 6 /* Debug memory tracking lists */
-#define ACPI_MTX_DEBUG_CMD_COMPLETE 7 /* AML debugger */
-#define ACPI_MTX_DEBUG_CMD_READY 8 /* AML debugger */
+#define ACPI_MTX_TABLES 1 /* Data for ACPI tables */
+#define ACPI_MTX_NAMESPACE 2 /* ACPI Namespace */
+#define ACPI_MTX_EVENTS 3 /* Data for ACPI events */
+#define ACPI_MTX_CACHES 4 /* Internal caches, general purposes */
+#define ACPI_MTX_MEMORY 5 /* Debug memory tracking lists */
+#define ACPI_MTX_DEBUG_CMD_COMPLETE 6 /* AML debugger */
+#define ACPI_MTX_DEBUG_CMD_READY 7 /* AML debugger */
-#define ACPI_MAX_MUTEX 8
+#define ACPI_MAX_MUTEX 7
#define ACPI_NUM_MUTEX ACPI_MAX_MUTEX+1
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
@@ -98,14 +98,13 @@
static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
"ACPI_MTX_Interpreter",
- "ACPI_MTX_Method",
"ACPI_MTX_Tables",
"ACPI_MTX_Namespace",
"ACPI_MTX_Events",
"ACPI_MTX_Caches",
"ACPI_MTX_Memory",
- "ACPI_MTX_DebugCmdComplete",
- "ACPI_MTX_DebugCmdReady"
+ "ACPI_MTX_CommandComplete",
+ "ACPI_MTX_CommandReady"
};
#endif
@@ -705,6 +704,13 @@
};
/*
+ * Some ACPI registers have bits that must be ignored -- meaning that they
+ * must be preserved.
+ */
+#define ACPI_PM1_STATUS_PRESERVED_BITS 0x0800 /* Bit 11 */
+#define ACPI_PM1_CONTROL_PRESERVED_BITS 0x0201 /* Bit 9, Bit 0 (SCI_EN) */
+
+/*
* Register IDs
* These are the full ACPI registers
*/
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 38f9aa4..4bb3806 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -394,6 +394,8 @@
#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask) ((val << pos) & mask)
#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val) reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
+#define ACPI_INSERT_BITS(target, mask, source) target = ((target & (~(mask))) | (source & mask))
+
/* Generate a UUID */
#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 1747d94..8fdee31 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -140,14 +140,14 @@
*****************************************************************************/
struct acpi_object_event {
- ACPI_OBJECT_COMMON_HEADER void *semaphore;
+ ACPI_OBJECT_COMMON_HEADER acpi_semaphore os_semaphore; /* Actual OS synchronization object */
};
struct acpi_object_mutex {
ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
u16 acquisition_depth; /* Allow multiple Acquires, same thread */
struct acpi_thread_state *owner_thread; /* Current owner of the mutex */
- void *semaphore; /* Actual OS synchronization object */
+ acpi_mutex os_mutex; /* Actual OS synchronization object */
union acpi_operand_object *prev; /* Link for list of acquired mutexes */
union acpi_operand_object *next; /* Link for list of acquired mutexes */
struct acpi_namespace_node *node; /* Containing namespace node */
@@ -166,8 +166,8 @@
struct acpi_object_method {
ACPI_OBJECT_COMMON_HEADER u8 method_flags;
u8 param_count;
- u8 concurrency;
- void *semaphore;
+ u8 sync_level;
+ union acpi_operand_object *mutex;
u8 *aml_start;
ACPI_INTERNAL_METHOD implementation;
u32 aml_length;
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a2b3e39..f338e40 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -334,7 +334,7 @@
acpi_handle handle, int type);
int acpi_bus_trim(struct acpi_device *start, int rmdevice);
int acpi_bus_start(struct acpi_device *device);
-
+acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd);
int acpi_match_ids(struct acpi_device *device, char *ids);
int acpi_create_dir(struct acpi_device *);
void acpi_remove_dir(struct acpi_device *);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index b425f9b..6a5bdce 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -110,4 +110,21 @@
extern int acpi_specific_hotkey_enabled;
+/*--------------------------------------------------------------------------
+ Dock Station
+ -------------------------------------------------------------------------- */
+#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
+extern int is_dock_device(acpi_handle handle);
+extern int register_dock_notifier(struct notifier_block *nb);
+extern void unregister_dock_notifier(struct notifier_block *nb);
+extern int register_hotplug_dock_device(acpi_handle handle,
+ acpi_notify_handler handler, void *context);
+extern void unregister_hotplug_dock_device(acpi_handle handle);
+#else
+#define is_dock_device(h) (0)
+#define register_dock_notifier(nb) (-ENODEV)
+#define unregister_dock_notifier(nb) do { } while(0)
+#define register_hotplug_dock_device(h1, h2, c) (-ENODEV)
+#define unregister_hotplug_dock_device(h) do { } while(0)
+#endif
#endif /*__ACPI_DRIVERS_H__*/
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 8f473c8..89bc4a1 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -96,25 +96,47 @@
struct acpi_table_header **new_table);
/*
- * Synchronization primitives
+ * Spinlock primitives
+ */
+acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
+
+void acpi_os_delete_lock(acpi_spinlock handle);
+
+acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
+
+void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags);
+
+/*
+ * Semaphore primitives
*/
acpi_status
acpi_os_create_semaphore(u32 max_units,
- u32 initial_units, acpi_handle * out_handle);
+ u32 initial_units, acpi_semaphore * out_handle);
-acpi_status acpi_os_delete_semaphore(acpi_handle handle);
+acpi_status acpi_os_delete_semaphore(acpi_semaphore handle);
-acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout);
+acpi_status
+acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout);
-acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units);
+acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units);
-acpi_status acpi_os_create_lock(acpi_handle * out_handle);
+/*
+ * Mutex primitives
+ */
+acpi_status acpi_os_create_mutex(acpi_mutex * out_handle);
-void acpi_os_delete_lock(acpi_handle handle);
+void acpi_os_delete_mutex(acpi_mutex handle);
-acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle);
+acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout);
-void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags);
+void acpi_os_release_mutex(acpi_mutex handle);
+
+/* Temporary macros for Mutex* interfaces, map to existing semaphore xfaces */
+
+#define acpi_os_create_mutex(out_handle) acpi_os_create_semaphore (1, 1, out_handle)
+#define acpi_os_delete_mutex(handle) (void) acpi_os_delete_semaphore (handle)
+#define acpi_os_acquire_mutex(handle,time) acpi_os_wait_semaphore (handle, 1, time)
+#define acpi_os_release_mutex(handle) (void) acpi_os_signal_semaphore (handle, 1)
/*
* Memory allocation and mapping
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 77cf123..64b603cf 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -241,7 +241,7 @@
/*******************************************************************************
*
- * OS- or compiler-dependent types
+ * OS-dependent and compiler-dependent types
*
* If the defaults below are not appropriate for the host system, they can
* be defined in the compiler-specific or OS-specific header, and this will
@@ -249,27 +249,34 @@
*
******************************************************************************/
-/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
+/* Value returned by acpi_os_get_thread_id */
-#ifndef acpi_uintptr_t
-#define acpi_uintptr_t void *
+#ifndef acpi_thread_id
+#define acpi_thread_id acpi_native_uint
#endif
-/*
- * If acpi_cache_t was not defined in the OS-dependent header,
- * define it now. This is typically the case where the local cache
- * manager implementation is to be used (ACPI_USE_LOCAL_CACHE)
- */
+/* Object returned from acpi_os_create_lock */
+
+#ifndef acpi_spinlock
+#define acpi_spinlock void *
+#endif
+
+/* Flags for acpi_os_acquire_lock/acpi_os_release_lock */
+
+#ifndef acpi_cpu_flags
+#define acpi_cpu_flags acpi_native_uint
+#endif
+
+/* Object returned from acpi_os_create_cache */
+
#ifndef acpi_cache_t
#define acpi_cache_t struct acpi_memory_list
#endif
-/*
- * Allow the CPU flags word to be defined per-OS to simplify the use of the
- * lock and unlock OSL interfaces.
- */
-#ifndef acpi_cpu_flags
-#define acpi_cpu_flags acpi_native_uint
+/* Use C99 uintptr_t for pointer casting if available, "void *" otherwise */
+
+#ifndef acpi_uintptr_t
+#define acpi_uintptr_t void *
#endif
/*
@@ -298,13 +305,6 @@
#define ACPI_EXPORT_SYMBOL(symbol)
#endif
-/*
- * thread_id is returned by acpi_os_get_thread_id.
- */
-#ifndef acpi_thread_id
-#define acpi_thread_id acpi_native_uint
-#endif
-
/*******************************************************************************
*
* Independent types
@@ -380,6 +380,11 @@
u32 hi;
};
+/* Synchronization objects */
+
+#define acpi_mutex void *
+#define acpi_semaphore void *
+
/*
* Acpi integer width. In ACPI version 1, integers are
* 32 bits. In ACPI version 2, integers are 64 bits.
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 277d35b..3f853ca 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -58,11 +58,13 @@
#include <asm/div64.h>
#include <asm/acpi.h>
#include <linux/slab.h>
+#include <linux/spinlock_types.h>
/* Host-dependent types and defines */
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
#define acpi_cache_t kmem_cache_t
+#define acpi_spinlock spinlock_t *
#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
#define strtoul simple_strtoul
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 77371b3..9dd5b75 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -62,6 +62,7 @@
u32 latency_ticks;
u32 power;
u32 usage;
+ u64 time;
struct acpi_processor_cx_policy promotion;
struct acpi_processor_cx_policy demotion;
};
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 859b5e9..2431238 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -657,13 +657,6 @@
__pte; \
})
-#define SetPageUptodate(_page) \
- do { \
- struct page *__page = (_page); \
- if (!test_and_set_bit(PG_uptodate, &__page->flags)) \
- page_test_and_clear_dirty(_page); \
- } while (0)
-
#ifdef __s390x__
#define pfn_pmd(pfn, pgprot) \
diff --git a/include/asm-um/io.h b/include/asm-um/io.h
index 1934d93..44e8b8c 100644
--- a/include/asm-um/io.h
+++ b/include/asm-um/io.h
@@ -45,8 +45,13 @@
{
*(volatile unsigned int __force *) addr = b;
}
+static inline void writeq(unsigned int b, volatile void __iomem *addr)
+{
+ *(volatile unsigned long long __force *) addr = b;
+}
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
+#define __raw_writeq writeq
#endif
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 466fbe9..35e1376 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -100,8 +100,10 @@
#define CPUFREQ_INCOMPATIBLE (1)
#define CPUFREQ_NOTIFY (2)
-#define CPUFREQ_SHARED_TYPE_ALL (0) /* All dependent CPUs should set freq */
-#define CPUFREQ_SHARED_TYPE_ANY (1) /* Freq can be set from any dependent CPU */
+#define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
+#define CPUFREQ_SHARED_TYPE_HW (1) /* HW does needed coordination */
+#define CPUFREQ_SHARED_TYPE_ALL (2) /* All dependent CPUs should set freq */
+#define CPUFREQ_SHARED_TYPE_ANY (3) /* Freq can be set from any dependent CPU*/
/******************** cpufreq transition notifiers *******************/
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 2d22932..0503b2e 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -46,6 +46,8 @@
KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices (broken) */
KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* device offline */
KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* device online */
+ KOBJ_UNDOCK = (__force kobject_action_t) 0x08, /* undocking */
+ KOBJ_DOCK = (__force kobject_action_t) 0x09, /* dock */
};
struct kobject {
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c41a129..7517952 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -36,7 +36,6 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-#include <asm/atomic.h>
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
@@ -515,6 +514,11 @@
set_page_section(page, pfn_to_section_nr(pfn));
}
+/*
+ * Some inline functions in vmstat.h depend on page_zone()
+ */
+#include <linux/vmstat.h>
+
#ifndef CONFIG_DISCONTIGMEM
/* The array of struct pages - for discontigmem use pgdat->lmem_map */
extern struct page *mem_map;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index d6120fa..27e748e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -46,6 +46,27 @@
#define ZONE_PADDING(name)
#endif
+enum zone_stat_item {
+ NR_ANON_PAGES, /* Mapped anonymous pages */
+ NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
+ only modified from process context */
+ NR_FILE_PAGES,
+ NR_SLAB, /* Pages used by slab allocator */
+ NR_PAGETABLE, /* used for pagetables */
+ NR_FILE_DIRTY,
+ NR_WRITEBACK,
+ NR_UNSTABLE_NFS, /* NFS unstable pages */
+ NR_BOUNCE,
+#ifdef CONFIG_NUMA
+ NUMA_HIT, /* allocated in intended node */
+ NUMA_MISS, /* allocated in non intended node */
+ NUMA_FOREIGN, /* was intended here, hit elsewhere */
+ NUMA_INTERLEAVE_HIT, /* interleaver preferred this zone */
+ NUMA_LOCAL, /* allocation from local node */
+ NUMA_OTHER, /* allocation from other node */
+#endif
+ NR_VM_ZONE_STAT_ITEMS };
+
struct per_cpu_pages {
int count; /* number of pages in the list */
int high; /* high watermark, emptying needed */
@@ -55,13 +76,8 @@
struct per_cpu_pageset {
struct per_cpu_pages pcp[2]; /* 0: hot. 1: cold */
-#ifdef CONFIG_NUMA
- unsigned long numa_hit; /* allocated in intended node */
- unsigned long numa_miss; /* allocated in non intended node */
- unsigned long numa_foreign; /* was intended here, hit elsewhere */
- unsigned long interleave_hit; /* interleaver prefered this zone */
- unsigned long local_node; /* allocation from local node */
- unsigned long other_node; /* allocation from other node */
+#ifdef CONFIG_SMP
+ s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS];
#endif
} ____cacheline_aligned_in_smp;
@@ -165,12 +181,8 @@
/* A count of how many reclaimers are scanning this zone */
atomic_t reclaim_in_progress;
- /*
- * timestamp (in jiffies) of the last zone reclaim that did not
- * result in freeing of pages. This is used to avoid repeated scans
- * if all memory in the zone is in use.
- */
- unsigned long last_unsuccessful_zone_reclaim;
+ /* Zone statistics */
+ atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
/*
* prev_priority holds the scanning priority for this zone. It is
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 0c076d5..5748642 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -5,12 +5,8 @@
#ifndef PAGE_FLAGS_H
#define PAGE_FLAGS_H
-#include <linux/percpu.h>
-#include <linux/cache.h>
#include <linux/types.h>
-#include <asm/pgtable.h>
-
/*
* Various page->flags bits:
*
@@ -103,134 +99,6 @@
#endif
/*
- * Global page accounting. One instance per CPU. Only unsigned longs are
- * allowed.
- *
- * - Fields can be modified with xxx_page_state and xxx_page_state_zone at
- * any time safely (which protects the instance from modification by
- * interrupt.
- * - The __xxx_page_state variants can be used safely when interrupts are
- * disabled.
- * - The __xxx_page_state variants can be used if the field is only
- * modified from process context and protected from preemption, or only
- * modified from interrupt context. In this case, the field should be
- * commented here.
- */
-struct page_state {
- unsigned long nr_dirty; /* Dirty writeable pages */
- unsigned long nr_writeback; /* Pages under writeback */
- unsigned long nr_unstable; /* NFS unstable pages */
- unsigned long nr_page_table_pages;/* Pages used for pagetables */
- unsigned long nr_mapped; /* mapped into pagetables.
- * only modified from process context */
- unsigned long nr_slab; /* In slab */
-#define GET_PAGE_STATE_LAST nr_slab
-
- /*
- * The below are zeroed by get_page_state(). Use get_full_page_state()
- * to add up all these.
- */
- unsigned long pgpgin; /* Disk reads */
- unsigned long pgpgout; /* Disk writes */
- unsigned long pswpin; /* swap reads */
- unsigned long pswpout; /* swap writes */
-
- unsigned long pgalloc_high; /* page allocations */
- unsigned long pgalloc_normal;
- unsigned long pgalloc_dma32;
- unsigned long pgalloc_dma;
-
- unsigned long pgfree; /* page freeings */
- unsigned long pgactivate; /* pages moved inactive->active */
- unsigned long pgdeactivate; /* pages moved active->inactive */
-
- unsigned long pgfault; /* faults (major+minor) */
- unsigned long pgmajfault; /* faults (major only) */
-
- unsigned long pgrefill_high; /* inspected in refill_inactive_zone */
- unsigned long pgrefill_normal;
- unsigned long pgrefill_dma32;
- unsigned long pgrefill_dma;
-
- unsigned long pgsteal_high; /* total highmem pages reclaimed */
- unsigned long pgsteal_normal;
- unsigned long pgsteal_dma32;
- unsigned long pgsteal_dma;
-
- unsigned long pgscan_kswapd_high;/* total highmem pages scanned */
- unsigned long pgscan_kswapd_normal;
- unsigned long pgscan_kswapd_dma32;
- unsigned long pgscan_kswapd_dma;
-
- unsigned long pgscan_direct_high;/* total highmem pages scanned */
- unsigned long pgscan_direct_normal;
- unsigned long pgscan_direct_dma32;
- unsigned long pgscan_direct_dma;
-
- unsigned long pginodesteal; /* pages reclaimed via inode freeing */
- unsigned long slabs_scanned; /* slab objects scanned */
- unsigned long kswapd_steal; /* pages reclaimed by kswapd */
- unsigned long kswapd_inodesteal;/* reclaimed via kswapd inode freeing */
- unsigned long pageoutrun; /* kswapd's calls to page reclaim */
- unsigned long allocstall; /* direct reclaim calls */
-
- unsigned long pgrotated; /* pages rotated to tail of the LRU */
- unsigned long nr_bounce; /* pages for bounce buffers */
-};
-
-extern void get_page_state(struct page_state *ret);
-extern void get_page_state_node(struct page_state *ret, int node);
-extern void get_full_page_state(struct page_state *ret);
-extern unsigned long read_page_state_offset(unsigned long offset);
-extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
-extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
-
-#define read_page_state(member) \
- read_page_state_offset(offsetof(struct page_state, member))
-
-#define mod_page_state(member, delta) \
- mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define __mod_page_state(member, delta) \
- __mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define inc_page_state(member) mod_page_state(member, 1UL)
-#define dec_page_state(member) mod_page_state(member, 0UL - 1)
-#define add_page_state(member,delta) mod_page_state(member, (delta))
-#define sub_page_state(member,delta) mod_page_state(member, 0UL - (delta))
-
-#define __inc_page_state(member) __mod_page_state(member, 1UL)
-#define __dec_page_state(member) __mod_page_state(member, 0UL - 1)
-#define __add_page_state(member,delta) __mod_page_state(member, (delta))
-#define __sub_page_state(member,delta) __mod_page_state(member, 0UL - (delta))
-
-#define page_state(member) (*__page_state(offsetof(struct page_state, member)))
-
-#define state_zone_offset(zone, member) \
-({ \
- unsigned offset; \
- if (is_highmem(zone)) \
- offset = offsetof(struct page_state, member##_high); \
- else if (is_normal(zone)) \
- offset = offsetof(struct page_state, member##_normal); \
- else if (is_dma32(zone)) \
- offset = offsetof(struct page_state, member##_dma32); \
- else \
- offset = offsetof(struct page_state, member##_dma); \
- offset; \
-})
-
-#define __mod_page_state_zone(zone, member, delta) \
- do { \
- __mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
-#define mod_page_state_zone(zone, member, delta) \
- do { \
- mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
-/*
* Manipulation of page state flags
*/
#define PageLocked(page) \
@@ -254,7 +122,14 @@
#define TestClearPageReferenced(page) test_and_clear_bit(PG_referenced, &(page)->flags)
#define PageUptodate(page) test_bit(PG_uptodate, &(page)->flags)
-#ifndef SetPageUptodate
+#ifdef CONFIG_S390
+#define SetPageUptodate(_page) \
+ do { \
+ struct page *__page = (_page); \
+ if (!test_and_set_bit(PG_uptodate, &__page->flags)) \
+ page_test_and_clear_dirty(_page); \
+ } while (0)
+#else
#define SetPageUptodate(page) set_bit(PG_uptodate, &(page)->flags)
#endif
#define ClearPageUptodate(page) clear_bit(PG_uptodate, &(page)->flags)
@@ -306,7 +181,7 @@
do { \
if (!test_and_set_bit(PG_writeback, \
&(page)->flags)) \
- inc_page_state(nr_writeback); \
+ inc_zone_page_state(page, NR_WRITEBACK); \
} while (0)
#define TestSetPageWriteback(page) \
({ \
@@ -314,14 +189,14 @@
ret = test_and_set_bit(PG_writeback, \
&(page)->flags); \
if (!ret) \
- inc_page_state(nr_writeback); \
+ inc_zone_page_state(page, NR_WRITEBACK); \
ret; \
})
#define ClearPageWriteback(page) \
do { \
if (test_and_clear_bit(PG_writeback, \
&(page)->flags)) \
- dec_page_state(nr_writeback); \
+ dec_zone_page_state(page, NR_WRITEBACK); \
} while (0)
#define TestClearPageWriteback(page) \
({ \
@@ -329,7 +204,7 @@
ret = test_and_clear_bit(PG_writeback, \
&(page)->flags); \
if (ret) \
- dec_page_state(nr_writeback); \
+ dec_zone_page_state(page, NR_WRITEBACK); \
ret; \
})
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 1245df7..0a2f5d2 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -113,51 +113,6 @@
extern void remove_from_page_cache(struct page *page);
extern void __remove_from_page_cache(struct page *page);
-extern atomic_t nr_pagecache;
-
-#ifdef CONFIG_SMP
-
-#define PAGECACHE_ACCT_THRESHOLD max(16, NR_CPUS * 2)
-DECLARE_PER_CPU(long, nr_pagecache_local);
-
-/*
- * pagecache_acct implements approximate accounting for pagecache.
- * vm_enough_memory() do not need high accuracy. Writers will keep
- * an offset in their per-cpu arena and will spill that into the
- * global count whenever the absolute value of the local count
- * exceeds the counter's threshold.
- *
- * MUST be protected from preemption.
- * current protection is mapping->page_lock.
- */
-static inline void pagecache_acct(int count)
-{
- long *local;
-
- local = &__get_cpu_var(nr_pagecache_local);
- *local += count;
- if (*local > PAGECACHE_ACCT_THRESHOLD || *local < -PAGECACHE_ACCT_THRESHOLD) {
- atomic_add(*local, &nr_pagecache);
- *local = 0;
- }
-}
-
-#else
-
-static inline void pagecache_acct(int count)
-{
- atomic_add(count, &nr_pagecache);
-}
-#endif
-
-static inline unsigned long get_page_cache_size(void)
-{
- int ret = atomic_read(&nr_pagecache);
- if (unlikely(ret < 0))
- ret = 0;
- return ret;
-}
-
/*
* Return byte-offset into filesystem object for page.
*/
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 9ae6b1a..b093479 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -729,6 +729,7 @@
#define PCI_DEVICE_ID_TI_4450 0x8011
#define PCI_DEVICE_ID_TI_XX21_XX11 0x8031
#define PCI_DEVICE_ID_TI_X515 0x8036
+#define PCI_DEVICE_ID_TI_XX12 0x8039
#define PCI_DEVICE_ID_TI_1130 0xac12
#define PCI_DEVICE_ID_TI_1031 0xac13
#define PCI_DEVICE_ID_TI_1131 0xac15
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 48dfe00..b4ca73d 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -163,14 +163,22 @@
*
* It is illegal to block while in an RCU read-side critical section.
*/
-#define rcu_read_lock() preempt_disable()
+#define rcu_read_lock() \
+ do { \
+ preempt_disable(); \
+ __acquire(RCU); \
+ } while(0)
/**
* rcu_read_unlock - marks the end of an RCU read-side critical section.
*
* See rcu_read_lock() for more information.
*/
-#define rcu_read_unlock() preempt_enable()
+#define rcu_read_unlock() \
+ do { \
+ __release(RCU); \
+ preempt_enable(); \
+ } while(0)
/*
* So where is rcu_write_lock()? It does not exist, as there is no
@@ -193,14 +201,22 @@
* can use just rcu_read_lock().
*
*/
-#define rcu_read_lock_bh() local_bh_disable()
+#define rcu_read_lock_bh() \
+ do { \
+ local_bh_disable(); \
+ __acquire(RCU_BH); \
+ } while(0)
/*
* rcu_read_unlock_bh - marks the end of a softirq-only RCU critical section
*
* See rcu_read_lock_bh() for more information.
*/
-#define rcu_read_unlock_bh() local_bh_enable()
+#define rcu_read_unlock_bh() \
+ do { \
+ __release(RCU_BH); \
+ local_bh_enable(); \
+ } while(0)
/**
* rcu_dereference - fetch an RCU-protected pointer in an
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 36e2bf4..5371e4e 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -34,8 +34,8 @@
* alarm API.
*/
struct rtc_wkalrm {
- unsigned char enabled; /* 0 = alarm disable, 1 = alarm disabled */
- unsigned char pending; /* 0 = alarm pending, 1 = alarm not pending */
+ unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */
+ unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */
struct rtc_time time; /* time the alarm is set to */
};
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 821f048..aaf7233 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1153,7 +1153,7 @@
extern int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp);
extern int kill_pg_info(int, struct siginfo *, pid_t);
extern int kill_proc_info(int, struct siginfo *, pid_t);
-extern int kill_proc_info_as_uid(int, struct siginfo *, pid_t, uid_t, uid_t);
+extern int kill_proc_info_as_uid(int, struct siginfo *, pid_t, uid_t, uid_t, u32);
extern void do_notify_parent(struct task_struct *, int);
extern void force_sig(int, struct task_struct *);
extern void force_sig_specific(int, struct task_struct *);
diff --git a/include/linux/security.h b/include/linux/security.h
index c7ea157..f753038 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -567,6 +567,9 @@
* @p.
* @p contains the task_struct for the process.
* Return 0 if permission is granted.
+ * @task_getsecid:
+ * Retrieve the security identifier of the process @p.
+ * @p contains the task_struct for the process and place is into @secid.
* @task_setgroups:
* Check permission before setting the supplementary group set of the
* current process.
@@ -582,6 +585,10 @@
* @p contains the task_struct of process.
* @ioprio contains the new ioprio value
* Return 0 if permission is granted.
+ * @task_getioprio
+ * Check permission before getting the ioprio value of @p.
+ * @p contains the task_struct of process.
+ * Return 0 if permission is granted.
* @task_setrlimit:
* Check permission before setting the resource limits of the current
* process for @resource to @new_rlim. The old resource limit values can
@@ -615,6 +622,7 @@
* @p contains the task_struct for process.
* @info contains the signal information.
* @sig contains the signal value.
+ * @secid contains the sid of the process where the signal originated
* Return 0 if permission is granted.
* @task_wait:
* Check permission before allowing a process to reap a child process @p
@@ -1219,16 +1227,18 @@
int (*task_setpgid) (struct task_struct * p, pid_t pgid);
int (*task_getpgid) (struct task_struct * p);
int (*task_getsid) (struct task_struct * p);
+ void (*task_getsecid) (struct task_struct * p, u32 * secid);
int (*task_setgroups) (struct group_info *group_info);
int (*task_setnice) (struct task_struct * p, int nice);
int (*task_setioprio) (struct task_struct * p, int ioprio);
+ int (*task_getioprio) (struct task_struct * p);
int (*task_setrlimit) (unsigned int resource, struct rlimit * new_rlim);
int (*task_setscheduler) (struct task_struct * p, int policy,
struct sched_param * lp);
int (*task_getscheduler) (struct task_struct * p);
int (*task_movememory) (struct task_struct * p);
int (*task_kill) (struct task_struct * p,
- struct siginfo * info, int sig);
+ struct siginfo * info, int sig, u32 secid);
int (*task_wait) (struct task_struct * p);
int (*task_prctl) (int option, unsigned long arg2,
unsigned long arg3, unsigned long arg4,
@@ -1839,6 +1849,11 @@
return security_ops->task_getsid (p);
}
+static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
+{
+ security_ops->task_getsecid (p, secid);
+}
+
static inline int security_task_setgroups (struct group_info *group_info)
{
return security_ops->task_setgroups (group_info);
@@ -1854,6 +1869,11 @@
return security_ops->task_setioprio (p, ioprio);
}
+static inline int security_task_getioprio (struct task_struct *p)
+{
+ return security_ops->task_getioprio (p);
+}
+
static inline int security_task_setrlimit (unsigned int resource,
struct rlimit *new_rlim)
{
@@ -1878,9 +1898,10 @@
}
static inline int security_task_kill (struct task_struct *p,
- struct siginfo *info, int sig)
+ struct siginfo *info, int sig,
+ u32 secid)
{
- return security_ops->task_kill (p, info, sig);
+ return security_ops->task_kill (p, info, sig, secid);
}
static inline int security_task_wait (struct task_struct *p)
@@ -2491,6 +2512,9 @@
return 0;
}
+static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
+{ }
+
static inline int security_task_setgroups (struct group_info *group_info)
{
return 0;
@@ -2506,6 +2530,11 @@
return 0;
}
+static inline int security_task_getioprio (struct task_struct *p)
+{
+ return 0;
+}
+
static inline int security_task_setrlimit (unsigned int resource,
struct rlimit *new_rlim)
{
@@ -2530,7 +2559,8 @@
}
static inline int security_task_kill (struct task_struct *p,
- struct siginfo *info, int sig)
+ struct siginfo *info, int sig,
+ u32 secid)
{
return 0;
}
diff --git a/include/linux/smp.h b/include/linux/smp.h
index c93c3fe..837e8bc 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -125,4 +125,6 @@
#define put_cpu() preempt_enable()
#define put_cpu_no_resched() preempt_enable_no_resched()
+void smp_setup_processor_id(void);
+
#endif /* __LINUX_SMP_H */
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 5035643..7b27c09 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -159,7 +159,9 @@
* determine what device number
* to report (real or virtual)
*/
-
+ int rq_sendfile_ok; /* turned off in gss privacy
+ * to prevent encrypting page
+ * cache pages */
wait_queue_head_t rq_wait; /* synchronization */
};
diff --git a/include/linux/swap.h b/include/linux/swap.h
index c41e2d6..cf6ca6e 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -189,7 +189,6 @@
#ifdef CONFIG_NUMA
extern int zone_reclaim_mode;
-extern int zone_reclaim_interval;
extern int zone_reclaim(struct zone *, gfp_t, unsigned int);
#else
#define zone_reclaim_mode 0
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
new file mode 100644
index 0000000..3e0daf5
--- /dev/null
+++ b/include/linux/vmstat.h
@@ -0,0 +1,215 @@
+#ifndef _LINUX_VMSTAT_H
+#define _LINUX_VMSTAT_H
+
+#include <linux/types.h>
+#include <linux/percpu.h>
+#include <linux/config.h>
+#include <linux/mmzone.h>
+#include <asm/atomic.h>
+
+#ifdef CONFIG_VM_EVENT_COUNTERS
+/*
+ * Light weight per cpu counter implementation.
+ *
+ * Counters should only be incremented and no critical kernel component
+ * should rely on the counter values.
+ *
+ * Counters are handled completely inline. On many platforms the code
+ * generated will simply be the increment of a global address.
+ */
+
+#define FOR_ALL_ZONES(x) x##_DMA, x##_DMA32, x##_NORMAL, x##_HIGH
+
+enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
+ FOR_ALL_ZONES(PGALLOC),
+ PGFREE, PGACTIVATE, PGDEACTIVATE,
+ PGFAULT, PGMAJFAULT,
+ FOR_ALL_ZONES(PGREFILL),
+ FOR_ALL_ZONES(PGSTEAL),
+ FOR_ALL_ZONES(PGSCAN_KSWAPD),
+ FOR_ALL_ZONES(PGSCAN_DIRECT),
+ PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
+ PAGEOUTRUN, ALLOCSTALL, PGROTATED,
+ NR_VM_EVENT_ITEMS
+};
+
+struct vm_event_state {
+ unsigned long event[NR_VM_EVENT_ITEMS];
+};
+
+DECLARE_PER_CPU(struct vm_event_state, vm_event_states);
+
+static inline void __count_vm_event(enum vm_event_item item)
+{
+ __get_cpu_var(vm_event_states.event[item])++;
+}
+
+static inline void count_vm_event(enum vm_event_item item)
+{
+ get_cpu_var(vm_event_states.event[item])++;
+ put_cpu();
+}
+
+static inline void __count_vm_events(enum vm_event_item item, long delta)
+{
+ __get_cpu_var(vm_event_states.event[item]) += delta;
+}
+
+static inline void count_vm_events(enum vm_event_item item, long delta)
+{
+ get_cpu_var(vm_event_states.event[item])++;
+ put_cpu();
+}
+
+extern void all_vm_events(unsigned long *);
+extern void vm_events_fold_cpu(int cpu);
+
+#else
+
+/* Disable counters */
+#define get_cpu_vm_events(e) 0L
+#define count_vm_event(e) do { } while (0)
+#define count_vm_events(e,d) do { } while (0)
+#define __count_vm_event(e) do { } while (0)
+#define __count_vm_events(e,d) do { } while (0)
+#define vm_events_fold_cpu(x) do { } while (0)
+
+#endif /* CONFIG_VM_EVENT_COUNTERS */
+
+#define __count_zone_vm_events(item, zone, delta) \
+ __count_vm_events(item##_DMA + zone_idx(zone), delta)
+
+/*
+ * Zone based page accounting with per cpu differentials.
+ */
+extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
+
+static inline void zone_page_state_add(long x, struct zone *zone,
+ enum zone_stat_item item)
+{
+ atomic_long_add(x, &zone->vm_stat[item]);
+ atomic_long_add(x, &vm_stat[item]);
+}
+
+static inline unsigned long global_page_state(enum zone_stat_item item)
+{
+ long x = atomic_long_read(&vm_stat[item]);
+#ifdef CONFIG_SMP
+ if (x < 0)
+ x = 0;
+#endif
+ return x;
+}
+
+static inline unsigned long zone_page_state(struct zone *zone,
+ enum zone_stat_item item)
+{
+ long x = atomic_long_read(&zone->vm_stat[item]);
+#ifdef CONFIG_SMP
+ if (x < 0)
+ x = 0;
+#endif
+ return x;
+}
+
+#ifdef CONFIG_NUMA
+/*
+ * Determine the per node value of a stat item. This function
+ * is called frequently in a NUMA machine, so try to be as
+ * frugal as possible.
+ */
+static inline unsigned long node_page_state(int node,
+ enum zone_stat_item item)
+{
+ struct zone *zones = NODE_DATA(node)->node_zones;
+
+ return
+#ifndef CONFIG_DMA_IS_NORMAL
+#if !defined(CONFIG_DMA_IS_DMA32) && BITS_PER_LONG >= 64
+ zone_page_state(&zones[ZONE_DMA32], item) +
+#endif
+ zone_page_state(&zones[ZONE_NORMAL], item) +
+#endif
+#ifdef CONFIG_HIGHMEM
+ zone_page_state(&zones[ZONE_HIGHMEM], item) +
+#endif
+ zone_page_state(&zones[ZONE_DMA], item);
+}
+
+extern void zone_statistics(struct zonelist *, struct zone *);
+
+#else
+
+#define node_page_state(node, item) global_page_state(item)
+#define zone_statistics(_zl,_z) do { } while (0)
+
+#endif /* CONFIG_NUMA */
+
+#define __add_zone_page_state(__z, __i, __d) \
+ __mod_zone_page_state(__z, __i, __d)
+#define __sub_zone_page_state(__z, __i, __d) \
+ __mod_zone_page_state(__z, __i,-(__d))
+
+#define add_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, __d)
+#define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d))
+
+static inline void zap_zone_vm_stats(struct zone *zone)
+{
+ memset(zone->vm_stat, 0, sizeof(zone->vm_stat));
+}
+
+extern void inc_zone_state(struct zone *, enum zone_stat_item);
+
+#ifdef CONFIG_SMP
+void __mod_zone_page_state(struct zone *, enum zone_stat_item item, int);
+void __inc_zone_page_state(struct page *, enum zone_stat_item);
+void __dec_zone_page_state(struct page *, enum zone_stat_item);
+
+void mod_zone_page_state(struct zone *, enum zone_stat_item, int);
+void inc_zone_page_state(struct page *, enum zone_stat_item);
+void dec_zone_page_state(struct page *, enum zone_stat_item);
+
+extern void inc_zone_state(struct zone *, enum zone_stat_item);
+
+void refresh_cpu_vm_stats(int);
+void refresh_vm_stats(void);
+
+#else /* CONFIG_SMP */
+
+/*
+ * We do not maintain differentials in a single processor configuration.
+ * The functions directly modify the zone and global counters.
+ */
+static inline void __mod_zone_page_state(struct zone *zone,
+ enum zone_stat_item item, int delta)
+{
+ zone_page_state_add(delta, zone, item);
+}
+
+static inline void __inc_zone_page_state(struct page *page,
+ enum zone_stat_item item)
+{
+ atomic_long_inc(&page_zone(page)->vm_stat[item]);
+ atomic_long_inc(&vm_stat[item]);
+}
+
+static inline void __dec_zone_page_state(struct page *page,
+ enum zone_stat_item item)
+{
+ atomic_long_dec(&page_zone(page)->vm_stat[item]);
+ atomic_long_dec(&vm_stat[item]);
+}
+
+/*
+ * We only use atomic operations to update counters. So there is no need to
+ * disable interrupts.
+ */
+#define inc_zone_page_state __inc_zone_page_state
+#define dec_zone_page_state __dec_zone_page_state
+#define mod_zone_page_state __mod_zone_page_state
+
+static inline void refresh_cpu_vm_stats(int cpu) { }
+static inline void refresh_vm_stats(void) { }
+#endif
+
+#endif /* _LINUX_VMSTAT_H */
diff --git a/include/media/tuner-types.h b/include/media/tuner-types.h
index ad9c171..3c43b95f4 100644
--- a/include/media/tuner-types.h
+++ b/include/media/tuner-types.h
@@ -20,6 +20,7 @@
struct tuner_params {
enum param_type type;
+
/* Many Philips based tuners have a comment like this in their
* datasheet:
*
@@ -39,6 +40,60 @@
* static unless the control byte was sent first.
*/
unsigned int cb_first_if_lower_freq:1;
+ /* Set to 1 if this tuner uses a tda9887 */
+ unsigned int has_tda9887:1;
+ /* Many Philips tuners use tda9887 PORT1 to select the FM radio
+ sensitivity. If this setting is 1, then set PORT1 to 1 to
+ get proper FM reception. */
+ unsigned int port1_fm_high_sensitivity:1;
+ /* Some Philips tuners use tda9887 PORT2 to select the FM radio
+ sensitivity. If this setting is 1, then set PORT2 to 1 to
+ get proper FM reception. */
+ unsigned int port2_fm_high_sensitivity:1;
+ /* Most tuners with a tda9887 use QSS mode. Some (cheaper) tuners
+ use Intercarrier mode. If this setting is 1, then the tuner
+ needs to be set to intercarrier mode. */
+ unsigned int intercarrier_mode:1;
+ /* This setting sets the default value for PORT1.
+ 0 means inactive, 1 means active. Note: the actual bit
+ value written to the tda9887 is inverted. So a 0 here
+ means a 1 in the B6 bit. */
+ unsigned int port1_active:1;
+ /* This setting sets the default value for PORT2.
+ 0 means inactive, 1 means active. Note: the actual bit
+ value written to the tda9887 is inverted. So a 0 here
+ means a 1 in the B7 bit. */
+ unsigned int port2_active:1;
+ /* Sometimes PORT1 is inverted when the SECAM-L' standard is selected.
+ Set this bit to 1 if this is needed. */
+ unsigned int port1_invert_for_secam_lc:1;
+ /* Sometimes PORT2 is inverted when the SECAM-L' standard is selected.
+ Set this bit to 1 if this is needed. */
+ unsigned int port2_invert_for_secam_lc:1;
+ /* Some cards require PORT1 to be 1 for mono Radio FM and 0 for stereo. */
+ unsigned int port1_set_for_fm_mono:1;
+ /* Default tda9887 TOP value in dB for the low band. Default is 0.
+ Range: -16:+15 */
+ signed int default_top_low:5;
+ /* Default tda9887 TOP value in dB for the mid band. Default is 0.
+ Range: -16:+15 */
+ signed int default_top_mid:5;
+ /* Default tda9887 TOP value in dB for the high band. Default is 0.
+ Range: -16:+15 */
+ signed int default_top_high:5;
+ /* Default tda9887 TOP value in dB for SECAM-L/L' for the low band.
+ Default is 0. Several tuners require a different TOP value for
+ the SECAM-L/L' standards. Range: -16:+15 */
+ signed int default_top_secam_low:5;
+ /* Default tda9887 TOP value in dB for SECAM-L/L' for the mid band.
+ Default is 0. Several tuners require a different TOP value for
+ the SECAM-L/L' standards. Range: -16:+15 */
+ signed int default_top_secam_mid:5;
+ /* Default tda9887 TOP value in dB for SECAM-L/L' for the high band.
+ Default is 0. Several tuners require a different TOP value for
+ the SECAM-L/L' standards. Range: -16:+15 */
+ signed int default_top_secam_high:5;
+
unsigned int count;
struct tuner_range *ranges;
diff --git a/init/Kconfig b/init/Kconfig
index f70f2fd..a5b073a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -54,8 +54,8 @@
config INIT_ENV_ARG_LIMIT
int
- default 32 if !USERMODE
- default 128 if USERMODE
+ default 32 if !UML
+ default 128 if UML
help
Maximum of each of the number of arguments and environment
variables passed to init from the kernel command line.
@@ -379,6 +379,15 @@
SLOB is more space efficient but does not scale well and is
more susceptible to fragmentation.
+config VM_EVENT_COUNTERS
+ default y
+ bool "Enable VM event counters for /proc/vmstat" if EMBEDDED
+ help
+ VM event counters are only needed to for event counts to be
+ shown. They have no function for the kernel itself. This
+ option allows the disabling of the VM event counters.
+ /proc/vmstat will only show page counts.
+
endmenu # General setup
config TINY_SHMEM
diff --git a/init/main.c b/init/main.c
index edff815..b2f3b56 100644
--- a/init/main.c
+++ b/init/main.c
@@ -445,10 +445,17 @@
cpu_set(cpu, cpu_possible_map);
}
+void __init __attribute__((weak)) smp_setup_processor_id(void)
+{
+}
+
asmlinkage void __init start_kernel(void)
{
char * command_line;
extern struct kernel_param __start___param[], __stop___param[];
+
+ smp_setup_processor_id();
+
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
diff --git a/kernel/sched.c b/kernel/sched.c
index 2629c17..d5e3707 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4386,7 +4386,16 @@
return 0;
}
-static inline void __cond_resched(void)
+static inline int __resched_legal(void)
+{
+ if (unlikely(preempt_count()))
+ return 0;
+ if (unlikely(system_state != SYSTEM_RUNNING))
+ return 0;
+ return 1;
+}
+
+static void __cond_resched(void)
{
#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
__might_sleep(__FILE__, __LINE__);
@@ -4396,10 +4405,6 @@
* PREEMPT_ACTIVE, which could trigger a second
* cond_resched() call.
*/
- if (unlikely(preempt_count()))
- return;
- if (unlikely(system_state != SYSTEM_RUNNING))
- return;
do {
add_preempt_count(PREEMPT_ACTIVE);
schedule();
@@ -4409,13 +4414,12 @@
int __sched cond_resched(void)
{
- if (need_resched()) {
+ if (need_resched() && __resched_legal()) {
__cond_resched();
return 1;
}
return 0;
}
-
EXPORT_SYMBOL(cond_resched);
/*
@@ -4436,7 +4440,7 @@
ret = 1;
spin_lock(lock);
}
- if (need_resched()) {
+ if (need_resched() && __resched_legal()) {
_raw_spin_unlock(lock);
preempt_enable_no_resched();
__cond_resched();
@@ -4445,14 +4449,13 @@
}
return ret;
}
-
EXPORT_SYMBOL(cond_resched_lock);
int __sched cond_resched_softirq(void)
{
BUG_ON(!in_softirq());
- if (need_resched()) {
+ if (need_resched() && __resched_legal()) {
__local_bh_enable();
__cond_resched();
local_bh_disable();
@@ -4460,10 +4463,8 @@
}
return 0;
}
-
EXPORT_SYMBOL(cond_resched_softirq);
-
/**
* yield - yield the current processor to other threads.
*
diff --git a/kernel/signal.c b/kernel/signal.c
index ecb610d..7fe874d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -583,7 +583,7 @@
&& !capable(CAP_KILL))
return error;
- error = security_task_kill(t, info, sig);
+ error = security_task_kill(t, info, sig, 0);
if (!error)
audit_signal_info(sig, t); /* Let audit system see the signal */
return error;
@@ -1106,7 +1106,7 @@
/* like kill_proc_info(), but doesn't use uid/euid of "current" */
int kill_proc_info_as_uid(int sig, struct siginfo *info, pid_t pid,
- uid_t uid, uid_t euid)
+ uid_t uid, uid_t euid, u32 secid)
{
int ret = -EINVAL;
struct task_struct *p;
@@ -1126,6 +1126,9 @@
ret = -EPERM;
goto out_unlock;
}
+ ret = security_task_kill(p, info, sig, secid);
+ if (ret)
+ goto out_unlock;
if (sig && p->sighand) {
unsigned long flags;
spin_lock_irqsave(&p->sighand->siglock, flags);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 6399c91..99a58f2 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -932,15 +932,6 @@
.strategy = &sysctl_intvec,
.extra1 = &zero,
},
- {
- .ctl_name = VM_ZONE_RECLAIM_INTERVAL,
- .procname = "zone_reclaim_interval",
- .data = &zone_reclaim_interval,
- .maxlen = sizeof(zone_reclaim_interval),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- .strategy = &sysctl_jiffies,
- },
#endif
#ifdef CONFIG_X86_32
{
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 7f20e7b..2b1530f 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -50,6 +50,10 @@
return "offline";
case KOBJ_ONLINE:
return "online";
+ case KOBJ_DOCK:
+ return "dock";
+ case KOBJ_UNDOCK:
+ return "undock";
default:
return NULL;
}
diff --git a/mm/Makefile b/mm/Makefile
index 0b8f73f..9dd824c 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -10,7 +10,7 @@
obj-y := bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \
page_alloc.o page-writeback.o pdflush.o \
readahead.o swap.o truncate.o vmscan.o \
- prio_tree.o util.o mmzone.o $(mmu-y)
+ prio_tree.o util.o mmzone.o vmstat.o $(mmu-y)
obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
obj-$(CONFIG_HUGETLBFS) += hugetlb.o
diff --git a/mm/filemap.c b/mm/filemap.c
index f02ca30..d087fc3 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -119,7 +119,7 @@
radix_tree_delete(&mapping->page_tree, page->index);
page->mapping = NULL;
mapping->nrpages--;
- pagecache_acct(-1);
+ __dec_zone_page_state(page, NR_FILE_PAGES);
}
void remove_from_page_cache(struct page *page)
@@ -448,7 +448,7 @@
page->mapping = mapping;
page->index = offset;
mapping->nrpages++;
- pagecache_acct(1);
+ __inc_zone_page_state(page, NR_FILE_PAGES);
}
write_unlock_irq(&mapping->tree_lock);
radix_tree_preload_end();
@@ -1415,7 +1415,7 @@
*/
if (!did_readaround) {
majmin = VM_FAULT_MAJOR;
- inc_page_state(pgmajfault);
+ count_vm_event(PGMAJFAULT);
}
did_readaround = 1;
ra_pages = max_sane_readahead(file->f_ra.ra_pages);
@@ -1486,7 +1486,7 @@
page_not_uptodate:
if (!did_readaround) {
majmin = VM_FAULT_MAJOR;
- inc_page_state(pgmajfault);
+ count_vm_event(PGMAJFAULT);
}
lock_page(page);
diff --git a/mm/highmem.c b/mm/highmem.c
index 9b274fdf..9b2a540 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -315,8 +315,8 @@
if (bvec->bv_page == org_vec->bv_page)
continue;
- mempool_free(bvec->bv_page, pool);
- dec_page_state(nr_bounce);
+ dec_zone_page_state(bvec->bv_page, NR_BOUNCE);
+ mempool_free(bvec->bv_page, pool);
}
bio_endio(bio_orig, bio_orig->bi_size, err);
@@ -397,7 +397,7 @@
to->bv_page = mempool_alloc(pool, q->bounce_gfp);
to->bv_len = from->bv_len;
to->bv_offset = from->bv_offset;
- inc_page_state(nr_bounce);
+ inc_zone_page_state(to->bv_page, NR_BOUNCE);
if (rw == WRITE) {
char *vto, *vfrom;
diff --git a/mm/memory.c b/mm/memory.c
index 247b5c3..7e2a4b1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -126,7 +126,7 @@
pmd_clear(pmd);
pte_lock_deinit(page);
pte_free_tlb(tlb, page);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(page, NR_PAGETABLE);
tlb->mm->nr_ptes--;
}
@@ -311,7 +311,7 @@
pte_free(new);
} else {
mm->nr_ptes++;
- inc_page_state(nr_page_table_pages);
+ inc_zone_page_state(new, NR_PAGETABLE);
pmd_populate(mm, pmd, new);
}
spin_unlock(&mm->page_table_lock);
@@ -1951,7 +1951,7 @@
/* Had to read the page from swap area: Major fault */
ret = VM_FAULT_MAJOR;
- inc_page_state(pgmajfault);
+ count_vm_event(PGMAJFAULT);
grab_swap_token();
}
@@ -2324,7 +2324,7 @@
__set_current_state(TASK_RUNNING);
- inc_page_state(pgfault);
+ count_vm_event(PGFAULT);
if (unlikely(is_vm_hugetlb_page(vma)))
return hugetlb_fault(mm, vma, address, write_access);
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 6b9740b..e07e27e 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1209,10 +1209,8 @@
zl = NODE_DATA(nid)->node_zonelists + gfp_zone(gfp);
page = __alloc_pages(gfp, order, zl);
- if (page && page_zone(page) == zl->zones[0]) {
- zone_pcp(zl->zones[0],get_cpu())->interleave_hit++;
- put_cpu();
- }
+ if (page && page_zone(page) == zl->zones[0])
+ inc_zone_page_state(page, NUMA_INTERLEAVE_HIT);
return page;
}
diff --git a/mm/mmap.c b/mm/mmap.c
index 6446c61..c1868ec 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -96,7 +96,7 @@
if (sysctl_overcommit_memory == OVERCOMMIT_GUESS) {
unsigned long n;
- free = get_page_cache_size();
+ free = global_page_state(NR_FILE_PAGES);
free += nr_swap_pages;
/*
diff --git a/mm/nommu.c b/mm/nommu.c
index 029fada..5151c44 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1122,7 +1122,7 @@
if (sysctl_overcommit_memory == OVERCOMMIT_GUESS) {
unsigned long n;
- free = get_page_cache_size();
+ free = global_page_state(NR_FILE_PAGES);
free += nr_swap_pages;
/*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 4ec7026..e630188 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -99,22 +99,6 @@
static void background_writeout(unsigned long _min_pages);
-struct writeback_state
-{
- unsigned long nr_dirty;
- unsigned long nr_unstable;
- unsigned long nr_mapped;
- unsigned long nr_writeback;
-};
-
-static void get_writeback_state(struct writeback_state *wbs)
-{
- wbs->nr_dirty = read_page_state(nr_dirty);
- wbs->nr_unstable = read_page_state(nr_unstable);
- wbs->nr_mapped = read_page_state(nr_mapped);
- wbs->nr_writeback = read_page_state(nr_writeback);
-}
-
/*
* Work out the current dirty-memory clamping and background writeout
* thresholds.
@@ -133,8 +117,8 @@
* clamping level.
*/
static void
-get_dirty_limits(struct writeback_state *wbs, long *pbackground, long *pdirty,
- struct address_space *mapping)
+get_dirty_limits(long *pbackground, long *pdirty,
+ struct address_space *mapping)
{
int background_ratio; /* Percentages */
int dirty_ratio;
@@ -144,8 +128,6 @@
unsigned long available_memory = total_pages;
struct task_struct *tsk;
- get_writeback_state(wbs);
-
#ifdef CONFIG_HIGHMEM
/*
* If this mapping can only allocate from low memory,
@@ -156,7 +138,9 @@
#endif
- unmapped_ratio = 100 - (wbs->nr_mapped * 100) / total_pages;
+ unmapped_ratio = 100 - ((global_page_state(NR_FILE_MAPPED) +
+ global_page_state(NR_ANON_PAGES)) * 100) /
+ total_pages;
dirty_ratio = vm_dirty_ratio;
if (dirty_ratio > unmapped_ratio / 2)
@@ -189,7 +173,6 @@
*/
static void balance_dirty_pages(struct address_space *mapping)
{
- struct writeback_state wbs;
long nr_reclaimable;
long background_thresh;
long dirty_thresh;
@@ -207,11 +190,12 @@
.range_cyclic = 1,
};
- get_dirty_limits(&wbs, &background_thresh,
- &dirty_thresh, mapping);
- nr_reclaimable = wbs.nr_dirty + wbs.nr_unstable;
- if (nr_reclaimable + wbs.nr_writeback <= dirty_thresh)
- break;
+ get_dirty_limits(&background_thresh, &dirty_thresh, mapping);
+ nr_reclaimable = global_page_state(NR_FILE_DIRTY) +
+ global_page_state(NR_UNSTABLE_NFS);
+ if (nr_reclaimable + global_page_state(NR_WRITEBACK) <=
+ dirty_thresh)
+ break;
if (!dirty_exceeded)
dirty_exceeded = 1;
@@ -224,11 +208,14 @@
*/
if (nr_reclaimable) {
writeback_inodes(&wbc);
- get_dirty_limits(&wbs, &background_thresh,
- &dirty_thresh, mapping);
- nr_reclaimable = wbs.nr_dirty + wbs.nr_unstable;
- if (nr_reclaimable + wbs.nr_writeback <= dirty_thresh)
- break;
+ get_dirty_limits(&background_thresh,
+ &dirty_thresh, mapping);
+ nr_reclaimable = global_page_state(NR_FILE_DIRTY) +
+ global_page_state(NR_UNSTABLE_NFS);
+ if (nr_reclaimable +
+ global_page_state(NR_WRITEBACK)
+ <= dirty_thresh)
+ break;
pages_written += write_chunk - wbc.nr_to_write;
if (pages_written >= write_chunk)
break; /* We've done our duty */
@@ -236,8 +223,9 @@
blk_congestion_wait(WRITE, HZ/10);
}
- if (nr_reclaimable + wbs.nr_writeback <= dirty_thresh && dirty_exceeded)
- dirty_exceeded = 0;
+ if (nr_reclaimable + global_page_state(NR_WRITEBACK)
+ <= dirty_thresh && dirty_exceeded)
+ dirty_exceeded = 0;
if (writeback_in_progress(bdi))
return; /* pdflush is already working this queue */
@@ -299,12 +287,11 @@
void throttle_vm_writeout(void)
{
- struct writeback_state wbs;
long background_thresh;
long dirty_thresh;
for ( ; ; ) {
- get_dirty_limits(&wbs, &background_thresh, &dirty_thresh, NULL);
+ get_dirty_limits(&background_thresh, &dirty_thresh, NULL);
/*
* Boost the allowable dirty threshold a bit for page
@@ -312,8 +299,9 @@
*/
dirty_thresh += dirty_thresh / 10; /* wheeee... */
- if (wbs.nr_unstable + wbs.nr_writeback <= dirty_thresh)
- break;
+ if (global_page_state(NR_UNSTABLE_NFS) +
+ global_page_state(NR_WRITEBACK) <= dirty_thresh)
+ break;
blk_congestion_wait(WRITE, HZ/10);
}
}
@@ -336,12 +324,12 @@
};
for ( ; ; ) {
- struct writeback_state wbs;
long background_thresh;
long dirty_thresh;
- get_dirty_limits(&wbs, &background_thresh, &dirty_thresh, NULL);
- if (wbs.nr_dirty + wbs.nr_unstable < background_thresh
+ get_dirty_limits(&background_thresh, &dirty_thresh, NULL);
+ if (global_page_state(NR_FILE_DIRTY) +
+ global_page_state(NR_UNSTABLE_NFS) < background_thresh
&& min_pages <= 0)
break;
wbc.encountered_congestion = 0;
@@ -365,12 +353,9 @@
*/
int wakeup_pdflush(long nr_pages)
{
- if (nr_pages == 0) {
- struct writeback_state wbs;
-
- get_writeback_state(&wbs);
- nr_pages = wbs.nr_dirty + wbs.nr_unstable;
- }
+ if (nr_pages == 0)
+ nr_pages = global_page_state(NR_FILE_DIRTY) +
+ global_page_state(NR_UNSTABLE_NFS);
return pdflush_operation(background_writeout, nr_pages);
}
@@ -401,7 +386,6 @@
unsigned long start_jif;
unsigned long next_jif;
long nr_to_write;
- struct writeback_state wbs;
struct writeback_control wbc = {
.bdi = NULL,
.sync_mode = WB_SYNC_NONE,
@@ -414,11 +398,11 @@
sync_supers();
- get_writeback_state(&wbs);
oldest_jif = jiffies - dirty_expire_interval;
start_jif = jiffies;
next_jif = start_jif + dirty_writeback_interval;
- nr_to_write = wbs.nr_dirty + wbs.nr_unstable +
+ nr_to_write = global_page_state(NR_FILE_DIRTY) +
+ global_page_state(NR_UNSTABLE_NFS) +
(inodes_stat.nr_inodes - inodes_stat.nr_unused);
while (nr_to_write > 0) {
wbc.encountered_congestion = 0;
@@ -640,7 +624,8 @@
if (mapping2) { /* Race with truncate? */
BUG_ON(mapping2 != mapping);
if (mapping_cap_account_dirty(mapping))
- inc_page_state(nr_dirty);
+ __inc_zone_page_state(page,
+ NR_FILE_DIRTY);
radix_tree_tag_set(&mapping->page_tree,
page_index(page), PAGECACHE_TAG_DIRTY);
}
@@ -727,9 +712,9 @@
radix_tree_tag_clear(&mapping->page_tree,
page_index(page),
PAGECACHE_TAG_DIRTY);
- write_unlock_irqrestore(&mapping->tree_lock, flags);
if (mapping_cap_account_dirty(mapping))
- dec_page_state(nr_dirty);
+ __dec_zone_page_state(page, NR_FILE_DIRTY);
+ write_unlock_irqrestore(&mapping->tree_lock, flags);
return 1;
}
write_unlock_irqrestore(&mapping->tree_lock, flags);
@@ -760,7 +745,7 @@
if (mapping) {
if (TestClearPageDirty(page)) {
if (mapping_cap_account_dirty(mapping))
- dec_page_state(nr_dirty);
+ dec_zone_page_state(page, NR_FILE_DIRTY);
return 1;
}
return 0;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 60f2fed..3e792a5 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -455,7 +455,7 @@
kernel_map_pages(page, 1 << order, 0);
local_irq_save(flags);
- __mod_page_state(pgfree, 1 << order);
+ __count_vm_events(PGFREE, 1 << order);
free_one_page(page_zone(page), page, order);
local_irq_restore(flags);
}
@@ -708,27 +708,6 @@
}
#endif /* CONFIG_PM */
-static void zone_statistics(struct zonelist *zonelist, struct zone *z, int cpu)
-{
-#ifdef CONFIG_NUMA
- pg_data_t *pg = z->zone_pgdat;
- pg_data_t *orig = zonelist->zones[0]->zone_pgdat;
- struct per_cpu_pageset *p;
-
- p = zone_pcp(z, cpu);
- if (pg == orig) {
- p->numa_hit++;
- } else {
- p->numa_miss++;
- zone_pcp(zonelist->zones[0], cpu)->numa_foreign++;
- }
- if (pg == NODE_DATA(numa_node_id()))
- p->local_node++;
- else
- p->other_node++;
-#endif
-}
-
/*
* Free a 0-order page
*/
@@ -749,7 +728,7 @@
pcp = &zone_pcp(zone, get_cpu())->pcp[cold];
local_irq_save(flags);
- __inc_page_state(pgfree);
+ __count_vm_event(PGFREE);
list_add(&page->lru, &pcp->list);
pcp->count++;
if (pcp->count >= pcp->high) {
@@ -825,8 +804,8 @@
goto failed;
}
- __mod_page_state_zone(zone, pgalloc, 1 << order);
- zone_statistics(zonelist, zone, cpu);
+ __count_zone_vm_events(PGALLOC, zone, 1 << order);
+ zone_statistics(zonelist, zone);
local_irq_restore(flags);
put_cpu();
@@ -1230,141 +1209,6 @@
#define show_node(zone) do { } while (0)
#endif
-/*
- * Accumulate the page_state information across all CPUs.
- * The result is unavoidably approximate - it can change
- * during and after execution of this function.
- */
-static DEFINE_PER_CPU(struct page_state, page_states) = {0};
-
-atomic_t nr_pagecache = ATOMIC_INIT(0);
-EXPORT_SYMBOL(nr_pagecache);
-#ifdef CONFIG_SMP
-DEFINE_PER_CPU(long, nr_pagecache_local) = 0;
-#endif
-
-static void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask)
-{
- unsigned cpu;
-
- memset(ret, 0, nr * sizeof(unsigned long));
- cpus_and(*cpumask, *cpumask, cpu_online_map);
-
- for_each_cpu_mask(cpu, *cpumask) {
- unsigned long *in;
- unsigned long *out;
- unsigned off;
- unsigned next_cpu;
-
- in = (unsigned long *)&per_cpu(page_states, cpu);
-
- next_cpu = next_cpu(cpu, *cpumask);
- if (likely(next_cpu < NR_CPUS))
- prefetch(&per_cpu(page_states, next_cpu));
-
- out = (unsigned long *)ret;
- for (off = 0; off < nr; off++)
- *out++ += *in++;
- }
-}
-
-void get_page_state_node(struct page_state *ret, int node)
-{
- int nr;
- cpumask_t mask = node_to_cpumask(node);
-
- nr = offsetof(struct page_state, GET_PAGE_STATE_LAST);
- nr /= sizeof(unsigned long);
-
- __get_page_state(ret, nr+1, &mask);
-}
-
-void get_page_state(struct page_state *ret)
-{
- int nr;
- cpumask_t mask = CPU_MASK_ALL;
-
- nr = offsetof(struct page_state, GET_PAGE_STATE_LAST);
- nr /= sizeof(unsigned long);
-
- __get_page_state(ret, nr + 1, &mask);
-}
-
-void get_full_page_state(struct page_state *ret)
-{
- cpumask_t mask = CPU_MASK_ALL;
-
- __get_page_state(ret, sizeof(*ret) / sizeof(unsigned long), &mask);
-}
-
-unsigned long read_page_state_offset(unsigned long offset)
-{
- unsigned long ret = 0;
- int cpu;
-
- for_each_online_cpu(cpu) {
- unsigned long in;
-
- in = (unsigned long)&per_cpu(page_states, cpu) + offset;
- ret += *((unsigned long *)in);
- }
- return ret;
-}
-
-void __mod_page_state_offset(unsigned long offset, unsigned long delta)
-{
- void *ptr;
-
- ptr = &__get_cpu_var(page_states);
- *(unsigned long *)(ptr + offset) += delta;
-}
-EXPORT_SYMBOL(__mod_page_state_offset);
-
-void mod_page_state_offset(unsigned long offset, unsigned long delta)
-{
- unsigned long flags;
- void *ptr;
-
- local_irq_save(flags);
- ptr = &__get_cpu_var(page_states);
- *(unsigned long *)(ptr + offset) += delta;
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(mod_page_state_offset);
-
-void __get_zone_counts(unsigned long *active, unsigned long *inactive,
- unsigned long *free, struct pglist_data *pgdat)
-{
- struct zone *zones = pgdat->node_zones;
- int i;
-
- *active = 0;
- *inactive = 0;
- *free = 0;
- for (i = 0; i < MAX_NR_ZONES; i++) {
- *active += zones[i].nr_active;
- *inactive += zones[i].nr_inactive;
- *free += zones[i].free_pages;
- }
-}
-
-void get_zone_counts(unsigned long *active,
- unsigned long *inactive, unsigned long *free)
-{
- struct pglist_data *pgdat;
-
- *active = 0;
- *inactive = 0;
- *free = 0;
- for_each_online_pgdat(pgdat) {
- unsigned long l, m, n;
- __get_zone_counts(&l, &m, &n, pgdat);
- *active += l;
- *inactive += m;
- *free += n;
- }
-}
-
void si_meminfo(struct sysinfo *val)
{
val->totalram = totalram_pages;
@@ -1405,7 +1249,6 @@
*/
void show_free_areas(void)
{
- struct page_state ps;
int cpu, temperature;
unsigned long active;
unsigned long inactive;
@@ -1437,7 +1280,6 @@
}
}
- get_page_state(&ps);
get_zone_counts(&active, &inactive, &free);
printk("Free pages: %11ukB (%ukB HighMem)\n",
@@ -1448,13 +1290,13 @@
"unstable:%lu free:%u slab:%lu mapped:%lu pagetables:%lu\n",
active,
inactive,
- ps.nr_dirty,
- ps.nr_writeback,
- ps.nr_unstable,
+ global_page_state(NR_FILE_DIRTY),
+ global_page_state(NR_WRITEBACK),
+ global_page_state(NR_UNSTABLE_NFS),
nr_free_pages(),
- ps.nr_slab,
- ps.nr_mapped,
- ps.nr_page_table_pages);
+ global_page_state(NR_SLAB),
+ global_page_state(NR_FILE_MAPPED),
+ global_page_state(NR_PAGETABLE));
for_each_zone(zone) {
int i;
@@ -2179,6 +2021,7 @@
zone->nr_scan_inactive = 0;
zone->nr_active = 0;
zone->nr_inactive = 0;
+ zap_zone_vm_stats(zone);
atomic_set(&zone->reclaim_in_progress, 0);
if (!size)
continue;
@@ -2252,307 +2095,18 @@
__pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL);
}
-#ifdef CONFIG_PROC_FS
-
-#include <linux/seq_file.h>
-
-static void *frag_start(struct seq_file *m, loff_t *pos)
-{
- pg_data_t *pgdat;
- loff_t node = *pos;
- for (pgdat = first_online_pgdat();
- pgdat && node;
- pgdat = next_online_pgdat(pgdat))
- --node;
-
- return pgdat;
-}
-
-static void *frag_next(struct seq_file *m, void *arg, loff_t *pos)
-{
- pg_data_t *pgdat = (pg_data_t *)arg;
-
- (*pos)++;
- return next_online_pgdat(pgdat);
-}
-
-static void frag_stop(struct seq_file *m, void *arg)
-{
-}
-
-/*
- * This walks the free areas for each zone.
- */
-static int frag_show(struct seq_file *m, void *arg)
-{
- pg_data_t *pgdat = (pg_data_t *)arg;
- struct zone *zone;
- struct zone *node_zones = pgdat->node_zones;
- unsigned long flags;
- int order;
-
- for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) {
- if (!populated_zone(zone))
- continue;
-
- spin_lock_irqsave(&zone->lock, flags);
- seq_printf(m, "Node %d, zone %8s ", pgdat->node_id, zone->name);
- for (order = 0; order < MAX_ORDER; ++order)
- seq_printf(m, "%6lu ", zone->free_area[order].nr_free);
- spin_unlock_irqrestore(&zone->lock, flags);
- seq_putc(m, '\n');
- }
- return 0;
-}
-
-struct seq_operations fragmentation_op = {
- .start = frag_start,
- .next = frag_next,
- .stop = frag_stop,
- .show = frag_show,
-};
-
-/*
- * Output information about zones in @pgdat.
- */
-static int zoneinfo_show(struct seq_file *m, void *arg)
-{
- pg_data_t *pgdat = arg;
- struct zone *zone;
- struct zone *node_zones = pgdat->node_zones;
- unsigned long flags;
-
- for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; zone++) {
- int i;
-
- if (!populated_zone(zone))
- continue;
-
- spin_lock_irqsave(&zone->lock, flags);
- seq_printf(m, "Node %d, zone %8s", pgdat->node_id, zone->name);
- seq_printf(m,
- "\n pages free %lu"
- "\n min %lu"
- "\n low %lu"
- "\n high %lu"
- "\n active %lu"
- "\n inactive %lu"
- "\n scanned %lu (a: %lu i: %lu)"
- "\n spanned %lu"
- "\n present %lu",
- zone->free_pages,
- zone->pages_min,
- zone->pages_low,
- zone->pages_high,
- zone->nr_active,
- zone->nr_inactive,
- zone->pages_scanned,
- zone->nr_scan_active, zone->nr_scan_inactive,
- zone->spanned_pages,
- zone->present_pages);
- seq_printf(m,
- "\n protection: (%lu",
- zone->lowmem_reserve[0]);
- for (i = 1; i < ARRAY_SIZE(zone->lowmem_reserve); i++)
- seq_printf(m, ", %lu", zone->lowmem_reserve[i]);
- seq_printf(m,
- ")"
- "\n pagesets");
- for_each_online_cpu(i) {
- struct per_cpu_pageset *pageset;
- int j;
-
- pageset = zone_pcp(zone, i);
- for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) {
- if (pageset->pcp[j].count)
- break;
- }
- if (j == ARRAY_SIZE(pageset->pcp))
- continue;
- for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) {
- seq_printf(m,
- "\n cpu: %i pcp: %i"
- "\n count: %i"
- "\n high: %i"
- "\n batch: %i",
- i, j,
- pageset->pcp[j].count,
- pageset->pcp[j].high,
- pageset->pcp[j].batch);
- }
-#ifdef CONFIG_NUMA
- seq_printf(m,
- "\n numa_hit: %lu"
- "\n numa_miss: %lu"
- "\n numa_foreign: %lu"
- "\n interleave_hit: %lu"
- "\n local_node: %lu"
- "\n other_node: %lu",
- pageset->numa_hit,
- pageset->numa_miss,
- pageset->numa_foreign,
- pageset->interleave_hit,
- pageset->local_node,
- pageset->other_node);
-#endif
- }
- seq_printf(m,
- "\n all_unreclaimable: %u"
- "\n prev_priority: %i"
- "\n temp_priority: %i"
- "\n start_pfn: %lu",
- zone->all_unreclaimable,
- zone->prev_priority,
- zone->temp_priority,
- zone->zone_start_pfn);
- spin_unlock_irqrestore(&zone->lock, flags);
- seq_putc(m, '\n');
- }
- return 0;
-}
-
-struct seq_operations zoneinfo_op = {
- .start = frag_start, /* iterate over all zones. The same as in
- * fragmentation. */
- .next = frag_next,
- .stop = frag_stop,
- .show = zoneinfo_show,
-};
-
-static char *vmstat_text[] = {
- "nr_dirty",
- "nr_writeback",
- "nr_unstable",
- "nr_page_table_pages",
- "nr_mapped",
- "nr_slab",
-
- "pgpgin",
- "pgpgout",
- "pswpin",
- "pswpout",
-
- "pgalloc_high",
- "pgalloc_normal",
- "pgalloc_dma32",
- "pgalloc_dma",
-
- "pgfree",
- "pgactivate",
- "pgdeactivate",
-
- "pgfault",
- "pgmajfault",
-
- "pgrefill_high",
- "pgrefill_normal",
- "pgrefill_dma32",
- "pgrefill_dma",
-
- "pgsteal_high",
- "pgsteal_normal",
- "pgsteal_dma32",
- "pgsteal_dma",
-
- "pgscan_kswapd_high",
- "pgscan_kswapd_normal",
- "pgscan_kswapd_dma32",
- "pgscan_kswapd_dma",
-
- "pgscan_direct_high",
- "pgscan_direct_normal",
- "pgscan_direct_dma32",
- "pgscan_direct_dma",
-
- "pginodesteal",
- "slabs_scanned",
- "kswapd_steal",
- "kswapd_inodesteal",
- "pageoutrun",
- "allocstall",
-
- "pgrotated",
- "nr_bounce",
-};
-
-static void *vmstat_start(struct seq_file *m, loff_t *pos)
-{
- struct page_state *ps;
-
- if (*pos >= ARRAY_SIZE(vmstat_text))
- return NULL;
-
- ps = kmalloc(sizeof(*ps), GFP_KERNEL);
- m->private = ps;
- if (!ps)
- return ERR_PTR(-ENOMEM);
- get_full_page_state(ps);
- ps->pgpgin /= 2; /* sectors -> kbytes */
- ps->pgpgout /= 2;
- return (unsigned long *)ps + *pos;
-}
-
-static void *vmstat_next(struct seq_file *m, void *arg, loff_t *pos)
-{
- (*pos)++;
- if (*pos >= ARRAY_SIZE(vmstat_text))
- return NULL;
- return (unsigned long *)m->private + *pos;
-}
-
-static int vmstat_show(struct seq_file *m, void *arg)
-{
- unsigned long *l = arg;
- unsigned long off = l - (unsigned long *)m->private;
-
- seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
- return 0;
-}
-
-static void vmstat_stop(struct seq_file *m, void *arg)
-{
- kfree(m->private);
- m->private = NULL;
-}
-
-struct seq_operations vmstat_op = {
- .start = vmstat_start,
- .next = vmstat_next,
- .stop = vmstat_stop,
- .show = vmstat_show,
-};
-
-#endif /* CONFIG_PROC_FS */
-
#ifdef CONFIG_HOTPLUG_CPU
static int page_alloc_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
int cpu = (unsigned long)hcpu;
- long *count;
- unsigned long *src, *dest;
if (action == CPU_DEAD) {
- int i;
-
- /* Drain local pagecache count. */
- count = &per_cpu(nr_pagecache_local, cpu);
- atomic_add(*count, &nr_pagecache);
- *count = 0;
local_irq_disable();
__drain_pages(cpu);
-
- /* Add dead cpu's page_states to our own. */
- dest = (unsigned long *)&__get_cpu_var(page_states);
- src = (unsigned long *)&per_cpu(page_states, cpu);
-
- for (i = 0; i < sizeof(struct page_state)/sizeof(unsigned long);
- i++) {
- dest[i] += src[i];
- src[i] = 0;
- }
-
+ vm_events_fold_cpu(cpu);
local_irq_enable();
+ refresh_cpu_vm_stats(cpu);
}
return NOTIFY_OK;
}
diff --git a/mm/page_io.c b/mm/page_io.c
index bb2b0d5..8802994 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -101,7 +101,7 @@
}
if (wbc->sync_mode == WB_SYNC_ALL)
rw |= (1 << BIO_RW_SYNC);
- inc_page_state(pswpout);
+ count_vm_event(PSWPOUT);
set_page_writeback(page);
unlock_page(page);
submit_bio(rw, bio);
@@ -123,7 +123,7 @@
ret = -ENOMEM;
goto out;
}
- inc_page_state(pswpin);
+ count_vm_event(PSWPIN);
submit_bio(READ, bio);
out:
return ret;
diff --git a/mm/rmap.c b/mm/rmap.c
index e76909e..40158b5 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -455,7 +455,7 @@
* nr_mapped state can be updated without turning off
* interrupts because it is not modified via interrupt.
*/
- __inc_page_state(nr_mapped);
+ __inc_zone_page_state(page, NR_ANON_PAGES);
}
/**
@@ -499,7 +499,7 @@
void page_add_file_rmap(struct page *page)
{
if (atomic_inc_and_test(&page->_mapcount))
- __inc_page_state(nr_mapped);
+ __inc_zone_page_state(page, NR_FILE_MAPPED);
}
/**
@@ -531,7 +531,8 @@
*/
if (page_test_and_clear_dirty(page))
set_page_dirty(page);
- __dec_page_state(nr_mapped);
+ __dec_zone_page_state(page,
+ PageAnon(page) ? NR_ANON_PAGES : NR_FILE_MAPPED);
}
}
diff --git a/mm/shmem.c b/mm/shmem.c
index 83c9fea..db21c51 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1044,12 +1044,12 @@
swappage = lookup_swap_cache(swap);
if (!swappage) {
shmem_swp_unmap(entry);
- spin_unlock(&info->lock);
/* here we actually do the io */
if (type && *type == VM_FAULT_MINOR) {
- inc_page_state(pgmajfault);
+ __count_vm_event(PGMAJFAULT);
*type = VM_FAULT_MAJOR;
}
+ spin_unlock(&info->lock);
swappage = shmem_swapin(info, swap, idx);
if (!swappage) {
spin_lock(&info->lock);
diff --git a/mm/slab.c b/mm/slab.c
index 233e39d..3936af3 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -309,6 +309,13 @@
#define SIZE_AC 1
#define SIZE_L3 (1 + MAX_NUMNODES)
+static int drain_freelist(struct kmem_cache *cache,
+ struct kmem_list3 *l3, int tofree);
+static void free_block(struct kmem_cache *cachep, void **objpp, int len,
+ int node);
+static void enable_cpucache(struct kmem_cache *cachep);
+static void cache_reap(void *unused);
+
/*
* This function must be completely optimized away if a constant is passed to
* it. Mostly the same as what is in linux/slab.h except it returns an index.
@@ -456,7 +463,7 @@
#define STATS_DEC_ACTIVE(x) ((x)->num_active--)
#define STATS_INC_ALLOCED(x) ((x)->num_allocations++)
#define STATS_INC_GROWN(x) ((x)->grown++)
-#define STATS_INC_REAPED(x) ((x)->reaped++)
+#define STATS_ADD_REAPED(x,y) ((x)->reaped += (y))
#define STATS_SET_HIGH(x) \
do { \
if ((x)->num_active > (x)->high_mark) \
@@ -480,7 +487,7 @@
#define STATS_DEC_ACTIVE(x) do { } while (0)
#define STATS_INC_ALLOCED(x) do { } while (0)
#define STATS_INC_GROWN(x) do { } while (0)
-#define STATS_INC_REAPED(x) do { } while (0)
+#define STATS_ADD_REAPED(x,y) do { } while (0)
#define STATS_SET_HIGH(x) do { } while (0)
#define STATS_INC_ERR(x) do { } while (0)
#define STATS_INC_NODEALLOCS(x) do { } while (0)
@@ -700,12 +707,6 @@
static DEFINE_PER_CPU(struct work_struct, reap_work);
-static void free_block(struct kmem_cache *cachep, void **objpp, int len,
- int node);
-static void enable_cpucache(struct kmem_cache *cachep);
-static void cache_reap(void *unused);
-static int __node_shrink(struct kmem_cache *cachep, int node);
-
static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep)
{
return cachep->array[smp_processor_id()];
@@ -1241,10 +1242,7 @@
l3 = cachep->nodelists[node];
if (!l3)
continue;
- spin_lock_irq(&l3->list_lock);
- /* free slabs belonging to this node */
- __node_shrink(cachep, node);
- spin_unlock_irq(&l3->list_lock);
+ drain_freelist(cachep, l3, l3->free_objects);
}
mutex_unlock(&cache_chain_mutex);
break;
@@ -1507,7 +1505,7 @@
nr_pages = (1 << cachep->gfporder);
if (cachep->flags & SLAB_RECLAIM_ACCOUNT)
atomic_add(nr_pages, &slab_reclaim_pages);
- add_page_state(nr_slab, nr_pages);
+ add_zone_page_state(page_zone(page), NR_SLAB, nr_pages);
for (i = 0; i < nr_pages; i++)
__SetPageSlab(page + i);
return page_address(page);
@@ -1522,12 +1520,12 @@
struct page *page = virt_to_page(addr);
const unsigned long nr_freed = i;
+ sub_zone_page_state(page_zone(page), NR_SLAB, nr_freed);
while (i--) {
BUG_ON(!PageSlab(page));
__ClearPageSlab(page);
page++;
}
- sub_page_state(nr_slab, nr_freed);
if (current->reclaim_state)
current->reclaim_state->reclaimed_slab += nr_freed;
free_pages((unsigned long)addr, cachep->gfporder);
@@ -2248,32 +2246,45 @@
}
}
-static int __node_shrink(struct kmem_cache *cachep, int node)
+/*
+ * Remove slabs from the list of free slabs.
+ * Specify the number of slabs to drain in tofree.
+ *
+ * Returns the actual number of slabs released.
+ */
+static int drain_freelist(struct kmem_cache *cache,
+ struct kmem_list3 *l3, int tofree)
{
+ struct list_head *p;
+ int nr_freed;
struct slab *slabp;
- struct kmem_list3 *l3 = cachep->nodelists[node];
- int ret;
- for (;;) {
- struct list_head *p;
+ nr_freed = 0;
+ while (nr_freed < tofree && !list_empty(&l3->slabs_free)) {
+ spin_lock_irq(&l3->list_lock);
p = l3->slabs_free.prev;
- if (p == &l3->slabs_free)
- break;
+ if (p == &l3->slabs_free) {
+ spin_unlock_irq(&l3->list_lock);
+ goto out;
+ }
- slabp = list_entry(l3->slabs_free.prev, struct slab, list);
+ slabp = list_entry(p, struct slab, list);
#if DEBUG
BUG_ON(slabp->inuse);
#endif
list_del(&slabp->list);
-
- l3->free_objects -= cachep->num;
+ /*
+ * Safe to drop the lock. The slab is no longer linked
+ * to the cache.
+ */
+ l3->free_objects -= cache->num;
spin_unlock_irq(&l3->list_lock);
- slab_destroy(cachep, slabp);
- spin_lock_irq(&l3->list_lock);
+ slab_destroy(cache, slabp);
+ nr_freed++;
}
- ret = !list_empty(&l3->slabs_full) || !list_empty(&l3->slabs_partial);
- return ret;
+out:
+ return nr_freed;
}
static int __cache_shrink(struct kmem_cache *cachep)
@@ -2286,11 +2297,13 @@
check_irq_on();
for_each_online_node(i) {
l3 = cachep->nodelists[i];
- if (l3) {
- spin_lock_irq(&l3->list_lock);
- ret += __node_shrink(cachep, i);
- spin_unlock_irq(&l3->list_lock);
- }
+ if (!l3)
+ continue;
+
+ drain_freelist(cachep, l3, l3->free_objects);
+
+ ret += !list_empty(&l3->slabs_full) ||
+ !list_empty(&l3->slabs_partial);
}
return (ret ? 1 : 0);
}
@@ -3694,10 +3707,6 @@
}
list_for_each_entry(searchp, &cache_chain, next) {
- struct list_head *p;
- int tofree;
- struct slab *slabp;
-
check_irq_on();
/*
@@ -3722,47 +3731,22 @@
drain_array(searchp, l3, l3->shared, 0, node);
- if (l3->free_touched) {
+ if (l3->free_touched)
l3->free_touched = 0;
- goto next;
+ else {
+ int freed;
+
+ freed = drain_freelist(searchp, l3, (l3->free_limit +
+ 5 * searchp->num - 1) / (5 * searchp->num));
+ STATS_ADD_REAPED(searchp, freed);
}
-
- tofree = (l3->free_limit + 5 * searchp->num - 1) /
- (5 * searchp->num);
- do {
- /*
- * Do not lock if there are no free blocks.
- */
- if (list_empty(&l3->slabs_free))
- break;
-
- spin_lock_irq(&l3->list_lock);
- p = l3->slabs_free.next;
- if (p == &(l3->slabs_free)) {
- spin_unlock_irq(&l3->list_lock);
- break;
- }
-
- slabp = list_entry(p, struct slab, list);
- BUG_ON(slabp->inuse);
- list_del(&slabp->list);
- STATS_INC_REAPED(searchp);
-
- /*
- * Safe to drop the lock. The slab is no longer linked
- * to the cache. searchp cannot disappear, we hold
- * cache_chain_lock
- */
- l3->free_objects -= searchp->num;
- spin_unlock_irq(&l3->list_lock);
- slab_destroy(searchp, slabp);
- } while (--tofree > 0);
next:
cond_resched();
}
check_irq_on();
mutex_unlock(&cache_chain_mutex);
next_reap_node();
+ refresh_cpu_vm_stats(smp_processor_id());
/* Set up the next iteration */
schedule_delayed_work(&__get_cpu_var(reap_work), REAPTIMEOUT_CPUC);
}
diff --git a/mm/swap.c b/mm/swap.c
index 990868a..8fd095c 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -87,7 +87,7 @@
spin_lock_irqsave(&zone->lru_lock, flags);
if (PageLRU(page) && !PageActive(page)) {
list_move_tail(&page->lru, &zone->inactive_list);
- inc_page_state(pgrotated);
+ __count_vm_event(PGROTATED);
}
if (!test_clear_page_writeback(page))
BUG();
@@ -107,7 +107,7 @@
del_page_from_inactive_list(zone, page);
SetPageActive(page);
add_page_to_active_list(zone, page);
- inc_page_state(pgactivate);
+ __count_vm_event(PGACTIVATE);
}
spin_unlock_irq(&zone->lru_lock);
}
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 7535211..fccbd9b 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -87,7 +87,7 @@
SetPageSwapCache(page);
set_page_private(page, entry.val);
total_swapcache_pages++;
- pagecache_acct(1);
+ __inc_zone_page_state(page, NR_FILE_PAGES);
}
write_unlock_irq(&swapper_space.tree_lock);
radix_tree_preload_end();
@@ -132,7 +132,7 @@
set_page_private(page, 0);
ClearPageSwapCache(page);
total_swapcache_pages--;
- pagecache_acct(-1);
+ __dec_zone_page_state(page, NR_FILE_PAGES);
INC_CACHE_INFO(del_total);
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index eeacb0d..ff2ebe9 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -47,8 +47,6 @@
/* Incremented by the number of inactive pages that were scanned */
unsigned long nr_scanned;
- unsigned long nr_mapped; /* From page_state */
-
/* This context's GFP mask */
gfp_t gfp_mask;
@@ -217,7 +215,7 @@
break;
if (shrink_ret < nr_before)
ret += nr_before - shrink_ret;
- mod_page_state(slabs_scanned, this_scan);
+ count_vm_events(SLABS_SCANNED, this_scan);
total_scan -= this_scan;
cond_resched();
@@ -571,7 +569,7 @@
list_splice(&ret_pages, page_list);
if (pagevec_count(&freed_pvec))
__pagevec_release_nonlru(&freed_pvec);
- mod_page_state(pgactivate, pgactivate);
+ count_vm_events(PGACTIVATE, pgactivate);
return nr_reclaimed;
}
@@ -661,11 +659,11 @@
nr_reclaimed += nr_freed;
local_irq_disable();
if (current_is_kswapd()) {
- __mod_page_state_zone(zone, pgscan_kswapd, nr_scan);
- __mod_page_state(kswapd_steal, nr_freed);
+ __count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scan);
+ __count_vm_events(KSWAPD_STEAL, nr_freed);
} else
- __mod_page_state_zone(zone, pgscan_direct, nr_scan);
- __mod_page_state_zone(zone, pgsteal, nr_freed);
+ __count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scan);
+ __count_vm_events(PGACTIVATE, nr_freed);
if (nr_taken == 0)
goto done;
@@ -744,7 +742,9 @@
* how much memory
* is mapped.
*/
- mapped_ratio = (sc->nr_mapped * 100) / vm_total_pages;
+ mapped_ratio = ((global_page_state(NR_FILE_MAPPED) +
+ global_page_state(NR_ANON_PAGES)) * 100) /
+ vm_total_pages;
/*
* Now decide how much we really want to unmap some pages. The
@@ -841,11 +841,10 @@
}
}
zone->nr_active += pgmoved;
- spin_unlock(&zone->lru_lock);
- __mod_page_state_zone(zone, pgrefill, pgscanned);
- __mod_page_state(pgdeactivate, pgdeactivate);
- local_irq_enable();
+ __count_zone_vm_events(PGREFILL, zone, pgscanned);
+ __count_vm_events(PGDEACTIVATE, pgdeactivate);
+ spin_unlock_irq(&zone->lru_lock);
pagevec_release(&pvec);
}
@@ -977,7 +976,7 @@
.swappiness = vm_swappiness,
};
- inc_page_state(allocstall);
+ count_vm_event(ALLOCSTALL);
for (i = 0; zones[i] != NULL; i++) {
struct zone *zone = zones[i];
@@ -990,7 +989,6 @@
}
for (priority = DEF_PRIORITY; priority >= 0; priority--) {
- sc.nr_mapped = read_page_state(nr_mapped);
sc.nr_scanned = 0;
if (!priority)
disable_swap_token();
@@ -1075,9 +1073,7 @@
total_scanned = 0;
nr_reclaimed = 0;
sc.may_writepage = !laptop_mode;
- sc.nr_mapped = read_page_state(nr_mapped);
-
- inc_page_state(pageoutrun);
+ count_vm_event(PAGEOUTRUN);
for (i = 0; i < pgdat->nr_zones; i++) {
struct zone *zone = pgdat->node_zones + i;
@@ -1365,7 +1361,7 @@
for_each_zone(zone)
lru_pages += zone->nr_active + zone->nr_inactive;
- nr_slab = read_page_state(nr_slab);
+ nr_slab = global_page_state(NR_SLAB);
/* If slab caches are huge, it's better to hit them first */
while (nr_slab >= lru_pages) {
reclaim_state.reclaimed_slab = 0;
@@ -1407,9 +1403,7 @@
for (prio = DEF_PRIORITY; prio >= 0; prio--) {
unsigned long nr_to_scan = nr_pages - ret;
- sc.nr_mapped = read_page_state(nr_mapped);
sc.nr_scanned = 0;
-
ret += shrink_all_zones(nr_to_scan, prio, pass, &sc);
if (ret >= nr_pages)
goto out;
@@ -1523,11 +1517,6 @@
#define RECLAIM_SLAB (1<<3) /* Do a global slab shrink if the zone is out of memory */
/*
- * Mininum time between zone reclaim scans
- */
-int zone_reclaim_interval __read_mostly = 30*HZ;
-
-/*
* Priority for ZONE_RECLAIM. This determines the fraction of pages
* of a node considered for each zone_reclaim. 4 scans 1/16th of
* a zone.
@@ -1548,7 +1537,6 @@
struct scan_control sc = {
.may_writepage = !!(zone_reclaim_mode & RECLAIM_WRITE),
.may_swap = !!(zone_reclaim_mode & RECLAIM_SWAP),
- .nr_mapped = read_page_state(nr_mapped),
.swap_cluster_max = max_t(unsigned long, nr_pages,
SWAP_CLUSTER_MAX),
.gfp_mask = gfp_mask,
@@ -1593,16 +1581,6 @@
p->reclaim_state = NULL;
current->flags &= ~(PF_MEMALLOC | PF_SWAPWRITE);
-
- if (nr_reclaimed == 0) {
- /*
- * We were unable to reclaim enough pages to stay on node. We
- * now allow off node accesses for a certain time period before
- * trying again to reclaim pages from the local zone.
- */
- zone->last_unsuccessful_zone_reclaim = jiffies;
- }
-
return nr_reclaimed >= nr_pages;
}
@@ -1612,13 +1590,17 @@
int node_id;
/*
- * Do not reclaim if there was a recent unsuccessful attempt at zone
- * reclaim. In that case we let allocations go off node for the
- * zone_reclaim_interval. Otherwise we would scan for each off-node
- * page allocation.
+ * Do not reclaim if there are not enough reclaimable pages in this
+ * zone that would satify this allocations.
+ *
+ * All unmapped pagecache pages are reclaimable.
+ *
+ * Both counters may be temporarily off a bit so we use
+ * SWAP_CLUSTER_MAX as the boundary. It may also be good to
+ * leave a few frequently used unmapped pagecache pages around.
*/
- if (time_before(jiffies,
- zone->last_unsuccessful_zone_reclaim + zone_reclaim_interval))
+ if (zone_page_state(zone, NR_FILE_PAGES) -
+ zone_page_state(zone, NR_FILE_MAPPED) < SWAP_CLUSTER_MAX)
return 0;
/*
diff --git a/mm/vmstat.c b/mm/vmstat.c
new file mode 100644
index 0000000..73b83d6
--- /dev/null
+++ b/mm/vmstat.c
@@ -0,0 +1,614 @@
+/*
+ * linux/mm/vmstat.c
+ *
+ * Manages VM statistics
+ * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
+ *
+ * zoned VM statistics
+ * Copyright (C) 2006 Silicon Graphics, Inc.,
+ * Christoph Lameter <christoph@lameter.com>
+ */
+
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+
+void __get_zone_counts(unsigned long *active, unsigned long *inactive,
+ unsigned long *free, struct pglist_data *pgdat)
+{
+ struct zone *zones = pgdat->node_zones;
+ int i;
+
+ *active = 0;
+ *inactive = 0;
+ *free = 0;
+ for (i = 0; i < MAX_NR_ZONES; i++) {
+ *active += zones[i].nr_active;
+ *inactive += zones[i].nr_inactive;
+ *free += zones[i].free_pages;
+ }
+}
+
+void get_zone_counts(unsigned long *active,
+ unsigned long *inactive, unsigned long *free)
+{
+ struct pglist_data *pgdat;
+
+ *active = 0;
+ *inactive = 0;
+ *free = 0;
+ for_each_online_pgdat(pgdat) {
+ unsigned long l, m, n;
+ __get_zone_counts(&l, &m, &n, pgdat);
+ *active += l;
+ *inactive += m;
+ *free += n;
+ }
+}
+
+#ifdef CONFIG_VM_EVENT_COUNTERS
+DEFINE_PER_CPU(struct vm_event_state, vm_event_states) = {{0}};
+EXPORT_PER_CPU_SYMBOL(vm_event_states);
+
+static void sum_vm_events(unsigned long *ret, cpumask_t *cpumask)
+{
+ int cpu = 0;
+ int i;
+
+ memset(ret, 0, NR_VM_EVENT_ITEMS * sizeof(unsigned long));
+
+ cpu = first_cpu(*cpumask);
+ while (cpu < NR_CPUS) {
+ struct vm_event_state *this = &per_cpu(vm_event_states, cpu);
+
+ cpu = next_cpu(cpu, *cpumask);
+
+ if (cpu < NR_CPUS)
+ prefetch(&per_cpu(vm_event_states, cpu));
+
+
+ for (i = 0; i < NR_VM_EVENT_ITEMS; i++)
+ ret[i] += this->event[i];
+ }
+}
+
+/*
+ * Accumulate the vm event counters across all CPUs.
+ * The result is unavoidably approximate - it can change
+ * during and after execution of this function.
+*/
+void all_vm_events(unsigned long *ret)
+{
+ sum_vm_events(ret, &cpu_online_map);
+}
+
+#ifdef CONFIG_HOTPLUG
+/*
+ * Fold the foreign cpu events into our own.
+ *
+ * This is adding to the events on one processor
+ * but keeps the global counts constant.
+ */
+void vm_events_fold_cpu(int cpu)
+{
+ struct vm_event_state *fold_state = &per_cpu(vm_event_states, cpu);
+ int i;
+
+ for (i = 0; i < NR_VM_EVENT_ITEMS; i++) {
+ count_vm_events(i, fold_state->event[i]);
+ fold_state->event[i] = 0;
+ }
+}
+#endif /* CONFIG_HOTPLUG */
+
+#endif /* CONFIG_VM_EVENT_COUNTERS */
+
+/*
+ * Manage combined zone based / global counters
+ *
+ * vm_stat contains the global counters
+ */
+atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
+EXPORT_SYMBOL(vm_stat);
+
+#ifdef CONFIG_SMP
+
+#define STAT_THRESHOLD 32
+
+/*
+ * Determine pointer to currently valid differential byte given a zone and
+ * the item number.
+ *
+ * Preemption must be off
+ */
+static inline s8 *diff_pointer(struct zone *zone, enum zone_stat_item item)
+{
+ return &zone_pcp(zone, smp_processor_id())->vm_stat_diff[item];
+}
+
+/*
+ * For use when we know that interrupts are disabled.
+ */
+void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
+ int delta)
+{
+ s8 *p;
+ long x;
+
+ p = diff_pointer(zone, item);
+ x = delta + *p;
+
+ if (unlikely(x > STAT_THRESHOLD || x < -STAT_THRESHOLD)) {
+ zone_page_state_add(x, zone, item);
+ x = 0;
+ }
+
+ *p = x;
+}
+EXPORT_SYMBOL(__mod_zone_page_state);
+
+/*
+ * For an unknown interrupt state
+ */
+void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
+ int delta)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ __mod_zone_page_state(zone, item, delta);
+ local_irq_restore(flags);
+}
+EXPORT_SYMBOL(mod_zone_page_state);
+
+/*
+ * Optimized increment and decrement functions.
+ *
+ * These are only for a single page and therefore can take a struct page *
+ * argument instead of struct zone *. This allows the inclusion of the code
+ * generated for page_zone(page) into the optimized functions.
+ *
+ * No overflow check is necessary and therefore the differential can be
+ * incremented or decremented in place which may allow the compilers to
+ * generate better code.
+ *
+ * The increment or decrement is known and therefore one boundary check can
+ * be omitted.
+ *
+ * Some processors have inc/dec instructions that are atomic vs an interrupt.
+ * However, the code must first determine the differential location in a zone
+ * based on the processor number and then inc/dec the counter. There is no
+ * guarantee without disabling preemption that the processor will not change
+ * in between and therefore the atomicity vs. interrupt cannot be exploited
+ * in a useful way here.
+ */
+static void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
+{
+ s8 *p = diff_pointer(zone, item);
+
+ (*p)++;
+
+ if (unlikely(*p > STAT_THRESHOLD)) {
+ zone_page_state_add(*p, zone, item);
+ *p = 0;
+ }
+}
+
+void __inc_zone_page_state(struct page *page, enum zone_stat_item item)
+{
+ __inc_zone_state(page_zone(page), item);
+}
+EXPORT_SYMBOL(__inc_zone_page_state);
+
+void __dec_zone_page_state(struct page *page, enum zone_stat_item item)
+{
+ struct zone *zone = page_zone(page);
+ s8 *p = diff_pointer(zone, item);
+
+ (*p)--;
+
+ if (unlikely(*p < -STAT_THRESHOLD)) {
+ zone_page_state_add(*p, zone, item);
+ *p = 0;
+ }
+}
+EXPORT_SYMBOL(__dec_zone_page_state);
+
+void inc_zone_state(struct zone *zone, enum zone_stat_item item)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ __inc_zone_state(zone, item);
+ local_irq_restore(flags);
+}
+
+void inc_zone_page_state(struct page *page, enum zone_stat_item item)
+{
+ unsigned long flags;
+ struct zone *zone;
+
+ zone = page_zone(page);
+ local_irq_save(flags);
+ __inc_zone_state(zone, item);
+ local_irq_restore(flags);
+}
+EXPORT_SYMBOL(inc_zone_page_state);
+
+void dec_zone_page_state(struct page *page, enum zone_stat_item item)
+{
+ unsigned long flags;
+ struct zone *zone;
+ s8 *p;
+
+ zone = page_zone(page);
+ local_irq_save(flags);
+ p = diff_pointer(zone, item);
+
+ (*p)--;
+
+ if (unlikely(*p < -STAT_THRESHOLD)) {
+ zone_page_state_add(*p, zone, item);
+ *p = 0;
+ }
+ local_irq_restore(flags);
+}
+EXPORT_SYMBOL(dec_zone_page_state);
+
+/*
+ * Update the zone counters for one cpu.
+ */
+void refresh_cpu_vm_stats(int cpu)
+{
+ struct zone *zone;
+ int i;
+ unsigned long flags;
+
+ for_each_zone(zone) {
+ struct per_cpu_pageset *pcp;
+
+ pcp = zone_pcp(zone, cpu);
+
+ for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+ if (pcp->vm_stat_diff[i]) {
+ local_irq_save(flags);
+ zone_page_state_add(pcp->vm_stat_diff[i],
+ zone, i);
+ pcp->vm_stat_diff[i] = 0;
+ local_irq_restore(flags);
+ }
+ }
+}
+
+static void __refresh_cpu_vm_stats(void *dummy)
+{
+ refresh_cpu_vm_stats(smp_processor_id());
+}
+
+/*
+ * Consolidate all counters.
+ *
+ * Note that the result is less inaccurate but still inaccurate
+ * if concurrent processes are allowed to run.
+ */
+void refresh_vm_stats(void)
+{
+ on_each_cpu(__refresh_cpu_vm_stats, NULL, 0, 1);
+}
+EXPORT_SYMBOL(refresh_vm_stats);
+
+#endif
+
+#ifdef CONFIG_NUMA
+/*
+ * zonelist = the list of zones passed to the allocator
+ * z = the zone from which the allocation occurred.
+ *
+ * Must be called with interrupts disabled.
+ */
+void zone_statistics(struct zonelist *zonelist, struct zone *z)
+{
+ if (z->zone_pgdat == zonelist->zones[0]->zone_pgdat) {
+ __inc_zone_state(z, NUMA_HIT);
+ } else {
+ __inc_zone_state(z, NUMA_MISS);
+ __inc_zone_state(zonelist->zones[0], NUMA_FOREIGN);
+ }
+ if (z->zone_pgdat == NODE_DATA(numa_node_id()))
+ __inc_zone_state(z, NUMA_LOCAL);
+ else
+ __inc_zone_state(z, NUMA_OTHER);
+}
+#endif
+
+#ifdef CONFIG_PROC_FS
+
+#include <linux/seq_file.h>
+
+static void *frag_start(struct seq_file *m, loff_t *pos)
+{
+ pg_data_t *pgdat;
+ loff_t node = *pos;
+ for (pgdat = first_online_pgdat();
+ pgdat && node;
+ pgdat = next_online_pgdat(pgdat))
+ --node;
+
+ return pgdat;
+}
+
+static void *frag_next(struct seq_file *m, void *arg, loff_t *pos)
+{
+ pg_data_t *pgdat = (pg_data_t *)arg;
+
+ (*pos)++;
+ return next_online_pgdat(pgdat);
+}
+
+static void frag_stop(struct seq_file *m, void *arg)
+{
+}
+
+/*
+ * This walks the free areas for each zone.
+ */
+static int frag_show(struct seq_file *m, void *arg)
+{
+ pg_data_t *pgdat = (pg_data_t *)arg;
+ struct zone *zone;
+ struct zone *node_zones = pgdat->node_zones;
+ unsigned long flags;
+ int order;
+
+ for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) {
+ if (!populated_zone(zone))
+ continue;
+
+ spin_lock_irqsave(&zone->lock, flags);
+ seq_printf(m, "Node %d, zone %8s ", pgdat->node_id, zone->name);
+ for (order = 0; order < MAX_ORDER; ++order)
+ seq_printf(m, "%6lu ", zone->free_area[order].nr_free);
+ spin_unlock_irqrestore(&zone->lock, flags);
+ seq_putc(m, '\n');
+ }
+ return 0;
+}
+
+struct seq_operations fragmentation_op = {
+ .start = frag_start,
+ .next = frag_next,
+ .stop = frag_stop,
+ .show = frag_show,
+};
+
+static char *vmstat_text[] = {
+ /* Zoned VM counters */
+ "nr_anon_pages",
+ "nr_mapped",
+ "nr_file_pages",
+ "nr_slab",
+ "nr_page_table_pages",
+ "nr_dirty",
+ "nr_writeback",
+ "nr_unstable",
+ "nr_bounce",
+
+#ifdef CONFIG_NUMA
+ "numa_hit",
+ "numa_miss",
+ "numa_foreign",
+ "numa_interleave",
+ "numa_local",
+ "numa_other",
+#endif
+
+#ifdef CONFIG_VM_EVENT_COUNTERS
+ "pgpgin",
+ "pgpgout",
+ "pswpin",
+ "pswpout",
+
+ "pgalloc_dma",
+ "pgalloc_dma32",
+ "pgalloc_normal",
+ "pgalloc_high",
+
+ "pgfree",
+ "pgactivate",
+ "pgdeactivate",
+
+ "pgfault",
+ "pgmajfault",
+
+ "pgrefill_dma",
+ "pgrefill_dma32",
+ "pgrefill_normal",
+ "pgrefill_high",
+
+ "pgsteal_dma",
+ "pgsteal_dma32",
+ "pgsteal_normal",
+ "pgsteal_high",
+
+ "pgscan_kswapd_dma",
+ "pgscan_kswapd_dma32",
+ "pgscan_kswapd_normal",
+ "pgscan_kswapd_high",
+
+ "pgscan_direct_dma",
+ "pgscan_direct_dma32",
+ "pgscan_direct_normal",
+ "pgscan_direct_high",
+
+ "pginodesteal",
+ "slabs_scanned",
+ "kswapd_steal",
+ "kswapd_inodesteal",
+ "pageoutrun",
+ "allocstall",
+
+ "pgrotated",
+#endif
+};
+
+/*
+ * Output information about zones in @pgdat.
+ */
+static int zoneinfo_show(struct seq_file *m, void *arg)
+{
+ pg_data_t *pgdat = arg;
+ struct zone *zone;
+ struct zone *node_zones = pgdat->node_zones;
+ unsigned long flags;
+
+ for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; zone++) {
+ int i;
+
+ if (!populated_zone(zone))
+ continue;
+
+ spin_lock_irqsave(&zone->lock, flags);
+ seq_printf(m, "Node %d, zone %8s", pgdat->node_id, zone->name);
+ seq_printf(m,
+ "\n pages free %lu"
+ "\n min %lu"
+ "\n low %lu"
+ "\n high %lu"
+ "\n active %lu"
+ "\n inactive %lu"
+ "\n scanned %lu (a: %lu i: %lu)"
+ "\n spanned %lu"
+ "\n present %lu",
+ zone->free_pages,
+ zone->pages_min,
+ zone->pages_low,
+ zone->pages_high,
+ zone->nr_active,
+ zone->nr_inactive,
+ zone->pages_scanned,
+ zone->nr_scan_active, zone->nr_scan_inactive,
+ zone->spanned_pages,
+ zone->present_pages);
+
+ for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+ seq_printf(m, "\n %-12s %lu", vmstat_text[i],
+ zone_page_state(zone, i));
+
+ seq_printf(m,
+ "\n protection: (%lu",
+ zone->lowmem_reserve[0]);
+ for (i = 1; i < ARRAY_SIZE(zone->lowmem_reserve); i++)
+ seq_printf(m, ", %lu", zone->lowmem_reserve[i]);
+ seq_printf(m,
+ ")"
+ "\n pagesets");
+ for_each_online_cpu(i) {
+ struct per_cpu_pageset *pageset;
+ int j;
+
+ pageset = zone_pcp(zone, i);
+ for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) {
+ if (pageset->pcp[j].count)
+ break;
+ }
+ if (j == ARRAY_SIZE(pageset->pcp))
+ continue;
+ for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) {
+ seq_printf(m,
+ "\n cpu: %i pcp: %i"
+ "\n count: %i"
+ "\n high: %i"
+ "\n batch: %i",
+ i, j,
+ pageset->pcp[j].count,
+ pageset->pcp[j].high,
+ pageset->pcp[j].batch);
+ }
+ }
+ seq_printf(m,
+ "\n all_unreclaimable: %u"
+ "\n prev_priority: %i"
+ "\n temp_priority: %i"
+ "\n start_pfn: %lu",
+ zone->all_unreclaimable,
+ zone->prev_priority,
+ zone->temp_priority,
+ zone->zone_start_pfn);
+ spin_unlock_irqrestore(&zone->lock, flags);
+ seq_putc(m, '\n');
+ }
+ return 0;
+}
+
+struct seq_operations zoneinfo_op = {
+ .start = frag_start, /* iterate over all zones. The same as in
+ * fragmentation. */
+ .next = frag_next,
+ .stop = frag_stop,
+ .show = zoneinfo_show,
+};
+
+static void *vmstat_start(struct seq_file *m, loff_t *pos)
+{
+ unsigned long *v;
+#ifdef CONFIG_VM_EVENT_COUNTERS
+ unsigned long *e;
+#endif
+ int i;
+
+ if (*pos >= ARRAY_SIZE(vmstat_text))
+ return NULL;
+
+#ifdef CONFIG_VM_EVENT_COUNTERS
+ v = kmalloc(NR_VM_ZONE_STAT_ITEMS * sizeof(unsigned long)
+ + sizeof(struct vm_event_state), GFP_KERNEL);
+#else
+ v = kmalloc(NR_VM_ZONE_STAT_ITEMS * sizeof(unsigned long),
+ GFP_KERNEL);
+#endif
+ m->private = v;
+ if (!v)
+ return ERR_PTR(-ENOMEM);
+ for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
+ v[i] = global_page_state(i);
+#ifdef CONFIG_VM_EVENT_COUNTERS
+ e = v + NR_VM_ZONE_STAT_ITEMS;
+ all_vm_events(e);
+ e[PGPGIN] /= 2; /* sectors -> kbytes */
+ e[PGPGOUT] /= 2;
+#endif
+ return v + *pos;
+}
+
+static void *vmstat_next(struct seq_file *m, void *arg, loff_t *pos)
+{
+ (*pos)++;
+ if (*pos >= ARRAY_SIZE(vmstat_text))
+ return NULL;
+ return (unsigned long *)m->private + *pos;
+}
+
+static int vmstat_show(struct seq_file *m, void *arg)
+{
+ unsigned long *l = arg;
+ unsigned long off = l - (unsigned long *)m->private;
+
+ seq_printf(m, "%s %lu\n", vmstat_text[off], *l);
+ return 0;
+}
+
+static void vmstat_stop(struct seq_file *m, void *arg)
+{
+ kfree(m->private);
+ m->private = NULL;
+}
+
+struct seq_operations vmstat_op = {
+ .start = vmstat_start,
+ .next = vmstat_next,
+ .stop = vmstat_stop,
+ .show = vmstat_show,
+};
+
+#endif /* CONFIG_PROC_FS */
+
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index f8bac6c..d88468d 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -224,7 +224,8 @@
void
gss_mech_put(struct gss_api_mech * gm)
{
- module_put(gm->gm_owner);
+ if (gm)
+ module_put(gm->gm_owner);
}
EXPORT_SYMBOL(gss_mech_put);
@@ -307,8 +308,7 @@
(*context_handle)->mech_type->gm_ops
->gss_delete_sec_context((*context_handle)
->internal_ctx_id);
- if ((*context_handle)->mech_type)
- gss_mech_put((*context_handle)->mech_type);
+ gss_mech_put((*context_handle)->mech_type);
kfree(*context_handle);
*context_handle=NULL;
return GSS_S_COMPLETE;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index d51e316..94217ec 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -425,6 +425,7 @@
struct rsc rsci, *rscp = NULL;
time_t expiry;
int status = -EINVAL;
+ struct gss_api_mech *gm = NULL;
memset(&rsci, 0, sizeof(rsci));
/* context handle */
@@ -453,7 +454,6 @@
set_bit(CACHE_NEGATIVE, &rsci.h.flags);
else {
int N, i;
- struct gss_api_mech *gm;
/* gid */
if (get_int(&mesg, &rsci.cred.cr_gid))
@@ -488,21 +488,17 @@
status = -EINVAL;
/* mech-specific data: */
len = qword_get(&mesg, buf, mlen);
- if (len < 0) {
- gss_mech_put(gm);
+ if (len < 0)
goto out;
- }
status = gss_import_sec_context(buf, len, gm, &rsci.mechctx);
- if (status) {
- gss_mech_put(gm);
+ if (status)
goto out;
- }
- gss_mech_put(gm);
}
rsci.h.expiry_time = expiry;
rscp = rsc_update(&rsci, rscp);
status = 0;
out:
+ gss_mech_put(gm);
rsc_free(&rsci);
if (rscp)
cache_put(&rscp->h, &rsc_cache);
@@ -836,6 +832,74 @@
return stat;
}
+static inline int
+total_buf_len(struct xdr_buf *buf)
+{
+ return buf->head[0].iov_len + buf->page_len + buf->tail[0].iov_len;
+}
+
+static void
+fix_priv_head(struct xdr_buf *buf, int pad)
+{
+ if (buf->page_len == 0) {
+ /* We need to adjust head and buf->len in tandem in this
+ * case to make svc_defer() work--it finds the original
+ * buffer start using buf->len - buf->head[0].iov_len. */
+ buf->head[0].iov_len -= pad;
+ }
+}
+
+static int
+unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx)
+{
+ u32 priv_len, maj_stat;
+ int pad, saved_len, remaining_len, offset;
+
+ rqstp->rq_sendfile_ok = 0;
+
+ priv_len = ntohl(svc_getu32(&buf->head[0]));
+ if (rqstp->rq_deferred) {
+ /* Already decrypted last time through! The sequence number
+ * check at out_seq is unnecessary but harmless: */
+ goto out_seq;
+ }
+ /* buf->len is the number of bytes from the original start of the
+ * request to the end, where head[0].iov_len is just the bytes
+ * not yet read from the head, so these two values are different: */
+ remaining_len = total_buf_len(buf);
+ if (priv_len > remaining_len)
+ return -EINVAL;
+ pad = remaining_len - priv_len;
+ buf->len -= pad;
+ fix_priv_head(buf, pad);
+
+ /* Maybe it would be better to give gss_unwrap a length parameter: */
+ saved_len = buf->len;
+ buf->len = priv_len;
+ maj_stat = gss_unwrap(ctx, 0, buf);
+ pad = priv_len - buf->len;
+ buf->len = saved_len;
+ buf->len -= pad;
+ /* The upper layers assume the buffer is aligned on 4-byte boundaries.
+ * In the krb5p case, at least, the data ends up offset, so we need to
+ * move it around. */
+ /* XXX: This is very inefficient. It would be better to either do
+ * this while we encrypt, or maybe in the receive code, if we can peak
+ * ahead and work out the service and mechanism there. */
+ offset = buf->head[0].iov_len % 4;
+ if (offset) {
+ buf->buflen = RPCSVC_MAXPAYLOAD;
+ xdr_shift_buf(buf, offset);
+ fix_priv_head(buf, pad);
+ }
+ if (maj_stat != GSS_S_COMPLETE)
+ return -EINVAL;
+out_seq:
+ if (ntohl(svc_getu32(&buf->head[0])) != seq)
+ return -EINVAL;
+ return 0;
+}
+
struct gss_svc_data {
/* decoded gss client cred: */
struct rpc_gss_wire_cred clcred;
@@ -1051,7 +1115,14 @@
svc_putu32(resv, 0);
break;
case RPC_GSS_SVC_PRIVACY:
- /* currently unsupported */
+ if (unwrap_priv_data(rqstp, &rqstp->rq_arg,
+ gc->gc_seq, rsci->mechctx))
+ goto auth_err;
+ /* placeholders for length and seq. number: */
+ svcdata->body_start = resv->iov_base + resv->iov_len;
+ svc_putu32(resv, 0);
+ svc_putu32(resv, 0);
+ break;
default:
goto auth_err;
}
@@ -1076,8 +1147,8 @@
return ret;
}
-static int
-svcauth_gss_release(struct svc_rqst *rqstp)
+static inline int
+svcauth_gss_wrap_resp_integ(struct svc_rqst *rqstp)
{
struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;
struct rpc_gss_wire_cred *gc = &gsd->clcred;
@@ -1089,69 +1160,147 @@
int integ_offset, integ_len;
int stat = -EINVAL;
+ p = gsd->body_start;
+ gsd->body_start = NULL;
+ /* move accept_stat to right place: */
+ memcpy(p, p + 2, 4);
+ /* Don't wrap in failure case: */
+ /* Counting on not getting here if call was not even accepted! */
+ if (*p != rpc_success) {
+ resbuf->head[0].iov_len -= 2 * 4;
+ goto out;
+ }
+ p++;
+ integ_offset = (u8 *)(p + 1) - (u8 *)resbuf->head[0].iov_base;
+ integ_len = resbuf->len - integ_offset;
+ BUG_ON(integ_len % 4);
+ *p++ = htonl(integ_len);
+ *p++ = htonl(gc->gc_seq);
+ if (xdr_buf_subsegment(resbuf, &integ_buf, integ_offset,
+ integ_len))
+ BUG();
+ if (resbuf->page_len == 0
+ && resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE
+ < PAGE_SIZE) {
+ BUG_ON(resbuf->tail[0].iov_len);
+ /* Use head for everything */
+ resv = &resbuf->head[0];
+ } else if (resbuf->tail[0].iov_base == NULL) {
+ if (resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE > PAGE_SIZE)
+ goto out_err;
+ resbuf->tail[0].iov_base = resbuf->head[0].iov_base
+ + resbuf->head[0].iov_len;
+ resbuf->tail[0].iov_len = 0;
+ rqstp->rq_restailpage = 0;
+ resv = &resbuf->tail[0];
+ } else {
+ resv = &resbuf->tail[0];
+ }
+ mic.data = (u8 *)resv->iov_base + resv->iov_len + 4;
+ if (gss_get_mic(gsd->rsci->mechctx, &integ_buf, &mic))
+ goto out_err;
+ svc_putu32(resv, htonl(mic.len));
+ memset(mic.data + mic.len, 0,
+ round_up_to_quad(mic.len) - mic.len);
+ resv->iov_len += XDR_QUADLEN(mic.len) << 2;
+ /* not strictly required: */
+ resbuf->len += XDR_QUADLEN(mic.len) << 2;
+ BUG_ON(resv->iov_len > PAGE_SIZE);
+out:
+ stat = 0;
+out_err:
+ return stat;
+}
+
+static inline int
+svcauth_gss_wrap_resp_priv(struct svc_rqst *rqstp)
+{
+ struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;
+ struct rpc_gss_wire_cred *gc = &gsd->clcred;
+ struct xdr_buf *resbuf = &rqstp->rq_res;
+ struct page **inpages = NULL;
+ u32 *p;
+ int offset, *len;
+ int pad;
+
+ p = gsd->body_start;
+ gsd->body_start = NULL;
+ /* move accept_stat to right place: */
+ memcpy(p, p + 2, 4);
+ /* Don't wrap in failure case: */
+ /* Counting on not getting here if call was not even accepted! */
+ if (*p != rpc_success) {
+ resbuf->head[0].iov_len -= 2 * 4;
+ return 0;
+ }
+ p++;
+ len = p++;
+ offset = (u8 *)p - (u8 *)resbuf->head[0].iov_base;
+ *p++ = htonl(gc->gc_seq);
+ inpages = resbuf->pages;
+ /* XXX: Would be better to write some xdr helper functions for
+ * nfs{2,3,4}xdr.c that place the data right, instead of copying: */
+ if (resbuf->tail[0].iov_base && rqstp->rq_restailpage == 0) {
+ BUG_ON(resbuf->tail[0].iov_base >= resbuf->head[0].iov_base
+ + PAGE_SIZE);
+ BUG_ON(resbuf->tail[0].iov_base < resbuf->head[0].iov_base);
+ if (resbuf->tail[0].iov_len + resbuf->head[0].iov_len
+ + 2 * RPC_MAX_AUTH_SIZE > PAGE_SIZE)
+ return -ENOMEM;
+ memmove(resbuf->tail[0].iov_base + RPC_MAX_AUTH_SIZE,
+ resbuf->tail[0].iov_base,
+ resbuf->tail[0].iov_len);
+ resbuf->tail[0].iov_base += RPC_MAX_AUTH_SIZE;
+ }
+ if (resbuf->tail[0].iov_base == NULL) {
+ if (resbuf->head[0].iov_len + 2*RPC_MAX_AUTH_SIZE > PAGE_SIZE)
+ return -ENOMEM;
+ resbuf->tail[0].iov_base = resbuf->head[0].iov_base
+ + resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE;
+ resbuf->tail[0].iov_len = 0;
+ rqstp->rq_restailpage = 0;
+ }
+ if (gss_wrap(gsd->rsci->mechctx, offset, resbuf, inpages))
+ return -ENOMEM;
+ *len = htonl(resbuf->len - offset);
+ pad = 3 - ((resbuf->len - offset - 1)&3);
+ p = (u32 *)(resbuf->tail[0].iov_base + resbuf->tail[0].iov_len);
+ memset(p, 0, pad);
+ resbuf->tail[0].iov_len += pad;
+ resbuf->len += pad;
+ return 0;
+}
+
+static int
+svcauth_gss_release(struct svc_rqst *rqstp)
+{
+ struct gss_svc_data *gsd = (struct gss_svc_data *)rqstp->rq_auth_data;
+ struct rpc_gss_wire_cred *gc = &gsd->clcred;
+ struct xdr_buf *resbuf = &rqstp->rq_res;
+ int stat = -EINVAL;
+
if (gc->gc_proc != RPC_GSS_PROC_DATA)
goto out;
/* Release can be called twice, but we only wrap once. */
if (gsd->body_start == NULL)
goto out;
/* normally not set till svc_send, but we need it here: */
- resbuf->len = resbuf->head[0].iov_len
- + resbuf->page_len + resbuf->tail[0].iov_len;
+ /* XXX: what for? Do we mess it up the moment we call svc_putu32
+ * or whatever? */
+ resbuf->len = total_buf_len(resbuf);
switch (gc->gc_svc) {
case RPC_GSS_SVC_NONE:
break;
case RPC_GSS_SVC_INTEGRITY:
- p = gsd->body_start;
- gsd->body_start = NULL;
- /* move accept_stat to right place: */
- memcpy(p, p + 2, 4);
- /* don't wrap in failure case: */
- /* Note: counting on not getting here if call was not even
- * accepted! */
- if (*p != rpc_success) {
- resbuf->head[0].iov_len -= 2 * 4;
- goto out;
- }
- p++;
- integ_offset = (u8 *)(p + 1) - (u8 *)resbuf->head[0].iov_base;
- integ_len = resbuf->len - integ_offset;
- BUG_ON(integ_len % 4);
- *p++ = htonl(integ_len);
- *p++ = htonl(gc->gc_seq);
- if (xdr_buf_subsegment(resbuf, &integ_buf, integ_offset,
- integ_len))
- BUG();
- if (resbuf->page_len == 0
- && resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE
- < PAGE_SIZE) {
- BUG_ON(resbuf->tail[0].iov_len);
- /* Use head for everything */
- resv = &resbuf->head[0];
- } else if (resbuf->tail[0].iov_base == NULL) {
- if (resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE
- > PAGE_SIZE)
- goto out_err;
- resbuf->tail[0].iov_base =
- resbuf->head[0].iov_base
- + resbuf->head[0].iov_len;
- resbuf->tail[0].iov_len = 0;
- rqstp->rq_restailpage = 0;
- resv = &resbuf->tail[0];
- } else {
- resv = &resbuf->tail[0];
- }
- mic.data = (u8 *)resv->iov_base + resv->iov_len + 4;
- if (gss_get_mic(gsd->rsci->mechctx, &integ_buf, &mic))
+ stat = svcauth_gss_wrap_resp_integ(rqstp);
+ if (stat)
goto out_err;
- svc_putu32(resv, htonl(mic.len));
- memset(mic.data + mic.len, 0,
- round_up_to_quad(mic.len) - mic.len);
- resv->iov_len += XDR_QUADLEN(mic.len) << 2;
- /* not strictly required: */
- resbuf->len += XDR_QUADLEN(mic.len) << 2;
- BUG_ON(resv->iov_len > PAGE_SIZE);
break;
case RPC_GSS_SVC_PRIVACY:
+ stat = svcauth_gss_wrap_resp_priv(rqstp);
+ if (stat)
+ goto out_err;
+ break;
default:
goto out_err;
}
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index b08419e..01ba60a 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -280,7 +280,10 @@
rqstp->rq_res.page_base = 0;
rqstp->rq_res.page_len = 0;
rqstp->rq_res.buflen = PAGE_SIZE;
+ rqstp->rq_res.tail[0].iov_base = NULL;
rqstp->rq_res.tail[0].iov_len = 0;
+ /* Will be turned off only in gss privacy case: */
+ rqstp->rq_sendfile_ok = 1;
/* tcp needs a space for the record length... */
if (rqstp->rq_prot == IPPROTO_TCP)
svc_putu32(resv, 0);
diff --git a/security/dummy.c b/security/dummy.c
index eddedf7..bbbfda7 100644
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -505,6 +505,9 @@
return 0;
}
+static void dummy_task_getsecid (struct task_struct *p, u32 *secid)
+{ }
+
static int dummy_task_setgroups (struct group_info *group_info)
{
return 0;
@@ -520,6 +523,11 @@
return 0;
}
+static int dummy_task_getioprio (struct task_struct *p)
+{
+ return 0;
+}
+
static int dummy_task_setrlimit (unsigned int resource, struct rlimit *new_rlim)
{
return 0;
@@ -547,7 +555,7 @@
}
static int dummy_task_kill (struct task_struct *p, struct siginfo *info,
- int sig)
+ int sig, u32 secid)
{
return 0;
}
@@ -980,9 +988,11 @@
set_to_dummy_if_null(ops, task_setpgid);
set_to_dummy_if_null(ops, task_getpgid);
set_to_dummy_if_null(ops, task_getsid);
+ set_to_dummy_if_null(ops, task_getsecid);
set_to_dummy_if_null(ops, task_setgroups);
set_to_dummy_if_null(ops, task_setnice);
set_to_dummy_if_null(ops, task_setioprio);
+ set_to_dummy_if_null(ops, task_getioprio);
set_to_dummy_if_null(ops, task_setrlimit);
set_to_dummy_if_null(ops, task_setscheduler);
set_to_dummy_if_null(ops, task_getscheduler);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 3e59358..24caaee 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2643,6 +2643,11 @@
return task_has_perm(current, p, PROCESS__GETSESSION);
}
+static void selinux_task_getsecid(struct task_struct *p, u32 *secid)
+{
+ selinux_get_task_sid(p, secid);
+}
+
static int selinux_task_setgroups(struct group_info *group_info)
{
/* See the comment for setuid above. */
@@ -2665,6 +2670,11 @@
return task_has_perm(current, p, PROCESS__SETSCHED);
}
+static int selinux_task_getioprio(struct task_struct *p)
+{
+ return task_has_perm(current, p, PROCESS__GETSCHED);
+}
+
static int selinux_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
{
struct rlimit *old_rlim = current->signal->rlim + resource;
@@ -2699,12 +2709,14 @@
return task_has_perm(current, p, PROCESS__SETSCHED);
}
-static int selinux_task_kill(struct task_struct *p, struct siginfo *info, int sig)
+static int selinux_task_kill(struct task_struct *p, struct siginfo *info,
+ int sig, u32 secid)
{
u32 perm;
int rc;
+ struct task_security_struct *tsec;
- rc = secondary_ops->task_kill(p, info, sig);
+ rc = secondary_ops->task_kill(p, info, sig, secid);
if (rc)
return rc;
@@ -2715,8 +2727,12 @@
perm = PROCESS__SIGNULL; /* null signal; existence test */
else
perm = signal_to_av(sig);
-
- return task_has_perm(current, p, perm);
+ tsec = p->security;
+ if (secid)
+ rc = avc_has_perm(secid, tsec->sid, SECCLASS_PROCESS, perm, NULL);
+ else
+ rc = task_has_perm(current, p, perm);
+ return rc;
}
static int selinux_task_prctl(int option,
@@ -4433,9 +4449,11 @@
.task_setpgid = selinux_task_setpgid,
.task_getpgid = selinux_task_getpgid,
.task_getsid = selinux_task_getsid,
+ .task_getsecid = selinux_task_getsecid,
.task_setgroups = selinux_task_setgroups,
.task_setnice = selinux_task_setnice,
.task_setioprio = selinux_task_setioprio,
+ .task_getioprio = selinux_task_getioprio,
.task_setrlimit = selinux_task_setrlimit,
.task_setscheduler = selinux_task_setscheduler,
.task_getscheduler = selinux_task_getscheduler,
