Merge remote-tracking branch 'regulator/topic/ti-abb' into regulator-next
diff --git a/Documentation/devicetree/bindings/regulator/88pm800.txt b/Documentation/devicetree/bindings/regulator/88pm800.txt new file mode 100644 index 0000000..e8a54c2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/88pm800.txt
@@ -0,0 +1,38 @@ +Marvell 88PM800 regulator + +Required properties: +- compatible: "marvell,88pm800" +- reg: I2C slave address +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name (or the deprecated + regulator-compatible property if present), with valid values listed below. + The content of each sub-node is defined by the standard binding for + regulators; see regulator.txt. + +The valid names for regulators are: + + buck1, buck2, buck3, buck4, buck5, ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, + ldo8, ldo9, ldo10, ldo11, ldo12, ldo13, ldo14, ldo15, ldo16, ldo17, ldo18, ldo19 + +Example: + + pmic: 88pm800@31 { + compatible = "marvell,88pm800"; + reg = <0x31>; + + regulators { + buck1 { + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3950000>; + regulator-boot-on; + regulator-always-on; + }; + ldo1 { + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <15000000>; + regulator-boot-on; + regulator-always-on; + }; +... + }; + };
diff --git a/Documentation/devicetree/bindings/regulator/max8660.txt b/Documentation/devicetree/bindings/regulator/max8660.txt new file mode 100644 index 0000000..8ba994d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max8660.txt
@@ -0,0 +1,47 @@ +Maxim MAX8660 voltage regulator + +Required properties: +- compatible: must be one of "maxim,max8660", "maxim,max8661" +- reg: I2C slave address, usually 0x34 +- any required generic properties defined in regulator.txt + +Example: + + i2c_master { + max8660@34 { + compatible = "maxim,max8660"; + reg = <0x34>; + + regulators { + regulator@0 { + regulator-compatible= "V3(DCDC)"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1800000>; + }; + + regulator@1 { + regulator-compatible= "V4(DCDC)"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1800000>; + }; + + regulator@2 { + regulator-compatible= "V5(LDO)"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <2000000>; + }; + + regulator@3 { + regulator-compatible= "V6(LDO)"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + regulator@4 { + regulator-compatible= "V7(LDO)"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; + };
diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt index 30b0581..a22e4c7 100644 --- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -25,8 +25,8 @@ Additional custom properties are listed below. For ti,palmas-pmic - smps12, smps123, smps3 depending on OTP, - smps45, smps457, smps7 depending on variant, smps6, smps[8-10], - ldo[1-9], ldoln, ldousb. + smps45, smps457, smps7 depending on variant, smps6, smps[8-9], + smps10_out2, smps10_out1, do[1-9], ldoln, ldousb. Optional sub-node properties: ti,warm-reset - maintain voltage during warm reset(boolean)
diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt new file mode 100644 index 0000000..fc989b2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt
@@ -0,0 +1,115 @@ +PFUZE100 family of regulators + +Required properties: +- compatible: "fsl,pfuze100" +- reg: I2C slave address + +Required child node: +- regulators: This is the list of child nodes that specify the regulator + initialization data for defined regulators. Please refer to below doc + Documentation/devicetree/bindings/regulator/regulator.txt. + + The valid names for regulators are: + sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6 + +Each regulator is defined using the standard binding for regulators. + +Example: + + pmic: pfuze100@08 { + compatible = "fsl,pfuze100"; + reg = <0x08>; + + regulators { + sw1a_reg: sw1ab { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <6250>; + }; + + sw1c_reg: sw1c { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + }; + + sw2_reg: sw2 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3a_reg: sw3a { + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1975000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3b_reg: sw3b { + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1975000>; + regulator-boot-on; + regulator-always-on; + }; + + sw4_reg: sw4 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + }; + + swbst_reg: swbst { + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5150000>; + }; + + snvs_reg: vsnvs { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3000000>; + regulator-boot-on; + regulator-always-on; + }; + + vref_reg: vrefddr { + regulator-boot-on; + regulator-always-on; + }; + + vgen1_reg: vgen1 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1550000>; + }; + + vgen2_reg: vgen2 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1550000>; + }; + + vgen3_reg: vgen3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + vgen4_reg: vgen4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen5_reg: vgen5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen6_reg: vgen6 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + };
diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 48a3b8e..2bd8f09 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -12,6 +12,8 @@ - regulator-allow-bypass: allow the regulator to go into bypass mode - <name>-supply: phandle to the parent supply/regulator node - regulator-ramp-delay: ramp delay for regulator(in uV/uS) + For hardwares which support disabling ramp rate, it should be explicitly + intialised to zero (regulator-ramp-delay = <0>) for disabling ramp delay. Deprecated properties: - regulator-compatible: If a regulator chip contains multiple
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 15356ac..7f9d4f5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt
@@ -2953,7 +2953,7 @@ improve throughput, but will also increase the amount of memory reserved for use by the client. - swapaccount[=0|1] + swapaccount=[0|1] [KNL] Enable accounting of swap in memory resource controller if no parameter or 1 is given or disable it if 0 is given (See Documentation/cgroups/memory.txt)
diff --git a/MAINTAINERS b/MAINTAINERS index 229c66b..8197fbd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS
@@ -5884,7 +5884,7 @@ F: include/linux/i2c-omap.h OMAP DEVICE TREE SUPPORT -M: Benoît Cousson <b-cousson@ti.com> +M: Benoît Cousson <bcousson@baylibre.com> M: Tony Lindgren <tony@atomide.com> L: linux-omap@vger.kernel.org L: devicetree@vger.kernel.org @@ -5964,14 +5964,14 @@ F: drivers/char/hw_random/omap-rng.c OMAP HWMOD SUPPORT -M: Benoît Cousson <b-cousson@ti.com> +M: Benoît Cousson <bcousson@baylibre.com> M: Paul Walmsley <paul@pwsan.com> L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/mach-omap2/omap_hwmod.* OMAP HWMOD DATA FOR OMAP4-BASED DEVICES -M: Benoît Cousson <b-cousson@ti.com> +M: Benoît Cousson <bcousson@baylibre.com> L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c
diff --git a/Makefile b/Makefile index a5a55f4..369882e 100644 --- a/Makefile +++ b/Makefile
@@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 11 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc7 NAME = Linux for Workgroups # *DOCUMENTATION*
diff --git a/arch/arc/lib/strchr-700.S b/arch/arc/lib/strchr-700.S index 99c1047..9c548c7 100644 --- a/arch/arc/lib/strchr-700.S +++ b/arch/arc/lib/strchr-700.S
@@ -39,9 +39,18 @@ ld.a r2,[r0,4] sub r12,r6,r7 bic r12,r12,r6 +#ifdef __LITTLE_ENDIAN__ and r7,r12,r4 breq r7,0,.Loop ; For speed, we want this branch to be unaligned. b .Lfound_char ; Likewise this one. +#else + and r12,r12,r4 + breq r12,0,.Loop ; For speed, we want this branch to be unaligned. + lsr_s r12,r12,7 + bic r2,r7,r6 + b.d .Lfound_char_b + and_s r2,r2,r12 +#endif ; /* We require this code address to be unaligned for speed... */ .Laligned: ld_s r2,[r0] @@ -95,6 +104,7 @@ lsr r7,r7,7 bic r2,r7,r6 +.Lfound_char_b: norm r2,r2 sub_s r0,r0,4 asr_s r2,r2,3
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index d59b70c..3d77dbe 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -14,11 +14,11 @@ compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9"; chosen { - bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2"; + bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2"; }; memory { - reg = <0x20000000 0x10000000>; + reg = <0x20000000 0x8000000>; }; clocks {
diff --git a/arch/arm/boot/dts/at91sam9x5ek.dtsi b/arch/arm/boot/dts/at91sam9x5ek.dtsi index b753855..49e3c45 100644 --- a/arch/arm/boot/dts/at91sam9x5ek.dtsi +++ b/arch/arm/boot/dts/at91sam9x5ek.dtsi
@@ -94,8 +94,9 @@ usb0: ohci@00600000 { status = "okay"; - num-ports = <2>; - atmel,vbus-gpio = <&pioD 19 GPIO_ACTIVE_LOW + num-ports = <3>; + atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */ + &pioD 19 GPIO_ACTIVE_LOW &pioD 20 GPIO_ACTIVE_LOW >; };
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts index 365760b..40e6fb2 100644 --- a/arch/arm/boot/dts/tegra20-seaboard.dts +++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -830,6 +830,8 @@ regulator-max-microvolt = <5000000>; enable-active-high; gpio = <&gpio 24 0>; /* PD0 */ + regulator-always-on; + regulator-boot-on; }; };
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts index ed4b901..37c93d3 100644 --- a/arch/arm/boot/dts/tegra20-trimslice.dts +++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -412,6 +412,8 @@ regulator-max-microvolt = <5000000>; enable-active-high; gpio = <&gpio 170 0>; /* PV2 */ + regulator-always-on; + regulator-boot-on; }; };
diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts index ab67c94..a3d0eba 100644 --- a/arch/arm/boot/dts/tegra20-whistler.dts +++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -588,6 +588,8 @@ regulator-max-microvolt = <5000000>; enable-active-high; gpio = <&tca6416 0 0>; /* GPIO_PMU0 */ + regulator-always-on; + regulator-boot-on; }; vbus3_reg: regulator@3 { @@ -598,6 +600,8 @@ regulator-max-microvolt = <5000000>; enable-active-high; gpio = <&tca6416 1 0>; /* GPIO_PMU1 */ + regulator-always-on; + regulator-boot-on; }; };
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c index fc79202..918875d 100644 --- a/arch/arm/kernel/fiq.c +++ b/arch/arm/kernel/fiq.c
@@ -89,7 +89,8 @@ memcpy(base + offset, start, length); if (!cache_is_vipt_nonaliasing()) - flush_icache_range(base + offset, offset + length); + flush_icache_range((unsigned long)base + offset, offset + + length); flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length); }
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index d7c82df..57221e3 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c
@@ -82,6 +82,7 @@ crash_save_cpu(®s, smp_processor_id()); flush_cache_all(); + set_cpu_online(smp_processor_id(), false); atomic_dec(&waiting_for_crash_ipi); while (1) cpu_relax();
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index 4a51990..db9cf69 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c
@@ -146,7 +146,11 @@ #define access_pmintenclr pm_fake /* Architected CP15 registers. - * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 + * CRn denotes the primary register number, but is copied to the CRm in the + * user space API for 64-bit register access in line with the terminology used + * in the ARM ARM. + * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit + * registers preceding 32-bit ones. */ static const struct coproc_reg cp15_regs[] = { /* CSSELR: swapped by interrupt.S. */ @@ -154,8 +158,8 @@ NULL, reset_unknown, c0_CSSELR }, /* TTBR0/TTBR1: swapped by interrupt.S. */ - { CRm( 2), Op1( 0), is64, NULL, reset_unknown64, c2_TTBR0 }, - { CRm( 2), Op1( 1), is64, NULL, reset_unknown64, c2_TTBR1 }, + { CRm64( 2), Op1( 0), is64, NULL, reset_unknown64, c2_TTBR0 }, + { CRm64( 2), Op1( 1), is64, NULL, reset_unknown64, c2_TTBR1 }, /* TTBCR: swapped by interrupt.S. */ { CRn( 2), CRm( 0), Op1( 0), Op2( 2), is32, @@ -182,7 +186,7 @@ NULL, reset_unknown, c6_IFAR }, /* PAR swapped by interrupt.S */ - { CRn( 7), Op1( 0), is64, NULL, reset_unknown64, c7_PAR }, + { CRm64( 7), Op1( 0), is64, NULL, reset_unknown64, c7_PAR }, /* * DC{C,I,CI}SW operations: @@ -399,12 +403,13 @@ | KVM_REG_ARM_OPC1_MASK)) return false; params->is_64bit = true; - params->CRm = ((id & KVM_REG_ARM_CRM_MASK) + /* CRm to CRn: see cp15_to_index for details */ + params->CRn = ((id & KVM_REG_ARM_CRM_MASK) >> KVM_REG_ARM_CRM_SHIFT); params->Op1 = ((id & KVM_REG_ARM_OPC1_MASK) >> KVM_REG_ARM_OPC1_SHIFT); params->Op2 = 0; - params->CRn = 0; + params->CRm = 0; return true; default: return false; @@ -898,7 +903,14 @@ if (reg->is_64) { val |= KVM_REG_SIZE_U64; val |= (reg->Op1 << KVM_REG_ARM_OPC1_SHIFT); - val |= (reg->CRm << KVM_REG_ARM_CRM_SHIFT); + /* + * CRn always denotes the primary coproc. reg. nr. for the + * in-kernel representation, but the user space API uses the + * CRm for the encoding, because it is modelled after the + * MRRC/MCRR instructions: see the ARM ARM rev. c page + * B3-1445 + */ + val |= (reg->CRn << KVM_REG_ARM_CRM_SHIFT); } else { val |= KVM_REG_SIZE_U32; val |= (reg->Op1 << KVM_REG_ARM_OPC1_SHIFT);
diff --git a/arch/arm/kvm/coproc.h b/arch/arm/kvm/coproc.h index b7301d3..0461d5c 100644 --- a/arch/arm/kvm/coproc.h +++ b/arch/arm/kvm/coproc.h
@@ -135,6 +135,8 @@ return -1; if (i1->CRn != i2->CRn) return i1->CRn - i2->CRn; + if (i1->is_64 != i2->is_64) + return i2->is_64 - i1->is_64; if (i1->CRm != i2->CRm) return i1->CRm - i2->CRm; if (i1->Op1 != i2->Op1) @@ -145,6 +147,7 @@ #define CRn(_x) .CRn = _x #define CRm(_x) .CRm = _x +#define CRm64(_x) .CRn = _x, .CRm = 0 #define Op1(_x) .Op1 = _x #define Op2(_x) .Op2 = _x #define is64 .is_64 = true
diff --git a/arch/arm/kvm/coproc_a15.c b/arch/arm/kvm/coproc_a15.c index 685063a..cf93472 100644 --- a/arch/arm/kvm/coproc_a15.c +++ b/arch/arm/kvm/coproc_a15.c
@@ -114,7 +114,11 @@ /* * A15-specific CP15 registers. - * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 + * CRn denotes the primary register number, but is copied to the CRm in the + * user space API for 64-bit register access in line with the terminology used + * in the ARM ARM. + * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit + * registers preceding 32-bit ones. */ static const struct coproc_reg a15_regs[] = { /* MPIDR: we use VMPIDR for guest access. */
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c index b8e06b7..0c25d94 100644 --- a/arch/arm/kvm/mmio.c +++ b/arch/arm/kvm/mmio.c
@@ -63,7 +63,8 @@ static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, struct kvm_exit_mmio *mmio) { - unsigned long rt, len; + unsigned long rt; + int len; bool is_write, sign_extend; if (kvm_vcpu_dabt_isextabt(vcpu)) {
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index ca6bea4..0988d9e 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c
@@ -85,6 +85,12 @@ return p; } +static bool page_empty(void *ptr) +{ + struct page *ptr_page = virt_to_page(ptr); + return page_count(ptr_page) == 1; +} + static void clear_pud_entry(struct kvm *kvm, pud_t *pud, phys_addr_t addr) { pmd_t *pmd_table = pmd_offset(pud, 0); @@ -103,12 +109,6 @@ put_page(virt_to_page(pmd)); } -static bool pmd_empty(pmd_t *pmd) -{ - struct page *pmd_page = virt_to_page(pmd); - return page_count(pmd_page) == 1; -} - static void clear_pte_entry(struct kvm *kvm, pte_t *pte, phys_addr_t addr) { if (pte_present(*pte)) { @@ -118,12 +118,6 @@ } } -static bool pte_empty(pte_t *pte) -{ - struct page *pte_page = virt_to_page(pte); - return page_count(pte_page) == 1; -} - static void unmap_range(struct kvm *kvm, pgd_t *pgdp, unsigned long long start, u64 size) { @@ -132,37 +126,37 @@ pmd_t *pmd; pte_t *pte; unsigned long long addr = start, end = start + size; - u64 range; + u64 next; while (addr < end) { pgd = pgdp + pgd_index(addr); pud = pud_offset(pgd, addr); if (pud_none(*pud)) { - addr += PUD_SIZE; + addr = pud_addr_end(addr, end); continue; } pmd = pmd_offset(pud, addr); if (pmd_none(*pmd)) { - addr += PMD_SIZE; + addr = pmd_addr_end(addr, end); continue; } pte = pte_offset_kernel(pmd, addr); clear_pte_entry(kvm, pte, addr); - range = PAGE_SIZE; + next = addr + PAGE_SIZE; /* If we emptied the pte, walk back up the ladder */ - if (pte_empty(pte)) { + if (page_empty(pte)) { clear_pmd_entry(kvm, pmd, addr); - range = PMD_SIZE; - if (pmd_empty(pmd)) { + next = pmd_addr_end(addr, end); + if (page_empty(pmd) && !page_empty(pud)) { clear_pud_entry(kvm, pud, addr); - range = PUD_SIZE; + next = pud_addr_end(addr, end); } } - addr += range; + addr = next; } }
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c index 2abee66..916e5a1 100644 --- a/arch/arm/mach-at91/at91sam9x5.c +++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -227,6 +227,8 @@ CLKDEV_CON_DEV_ID("usart", "f8020000.serial", &usart1_clk), CLKDEV_CON_DEV_ID("usart", "f8024000.serial", &usart2_clk), CLKDEV_CON_DEV_ID("usart", "f8028000.serial", &usart3_clk), + CLKDEV_CON_DEV_ID("usart", "f8040000.serial", &uart0_clk), + CLKDEV_CON_DEV_ID("usart", "f8044000.serial", &uart1_clk), CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb0_clk), CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk), CLKDEV_CON_DEV_ID("mci_clk", "f0008000.mmc", &mmc0_clk),
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c index dff4ddc..139e42d 100644 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -75,6 +75,7 @@ .parts = davinci_nand_partitions, .nr_parts = ARRAY_SIZE(davinci_nand_partitions), .ecc_mode = NAND_ECC_HW_SYNDROME, + .ecc_bits = 4, .bbt_options = NAND_BBT_USE_FLASH, };
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index a33686a..fa4bfaf 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -153,6 +153,7 @@ .parts = davinci_evm_nandflash_partition, .nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition), .ecc_mode = NAND_ECC_HW, + .ecc_bits = 1, .bbt_options = NAND_BBT_USE_FLASH, .timing = &davinci_evm_nandflash_timing, };
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index fbb8e5a..0c005e8 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -90,6 +90,7 @@ .parts = davinci_nand_partitions, .nr_parts = ARRAY_SIZE(davinci_nand_partitions), .ecc_mode = NAND_ECC_HW, + .ecc_bits = 1, .options = 0, };
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index 2bc112a..808233b 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -88,6 +88,7 @@ .parts = davinci_ntosd2_nandflash_partition, .nr_parts = ARRAY_SIZE(davinci_ntosd2_nandflash_partition), .ecc_mode = NAND_ECC_HW, + .ecc_bits = 1, .bbt_options = NAND_BBT_USE_FLASH, };
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index f6eeb87..827d150 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -122,11 +122,7 @@ }; static struct musb_hdrc_platform_data tusb_data = { -#ifdef CONFIG_USB_GADGET_MUSB_HDRC .mode = MUSB_OTG, -#else - .mode = MUSB_HOST, -#endif .set_power = tusb_set_power, .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */ .power = 100, /* Max 100 mA VBUS for host mode */
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index d2ea68e..773510556 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c
@@ -85,7 +85,7 @@ static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, - .mode = MUSB_PERIPHERAL, + .mode = MUSB_OTG, .power = 0, };
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 8c4de27..bc89723 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c
@@ -38,11 +38,8 @@ }; static struct musb_hdrc_platform_data musb_plat = { -#ifdef CONFIG_USB_GADGET_MUSB_HDRC .mode = MUSB_OTG, -#else - .mode = MUSB_HOST, -#endif + /* .clock is set dynamically */ .config = &musb_config,
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index db5c2ca..cd2c88e 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig
@@ -809,15 +809,18 @@ the CPU type fitted to the system. This permits binaries to be run on ARMv4 through to ARMv7 without modification. + See Documentation/arm/kernel_user_helpers.txt for details. + However, the fixed address nature of these helpers can be used by ROP (return orientated programming) authors when creating exploits. If all of the binaries and libraries which run on your platform are built specifically for your platform, and make no use of - these helpers, then you can turn this option off. However, - when such an binary or library is run, it will receive a SIGILL - signal, which will terminate the program. + these helpers, then you can turn this option off to hinder + such exploits. However, in that case, if a binary or library + relying on those helpers is run, it will receive a SIGILL signal, + which will terminate the program. Say N here only if you are absolutely certain that you do not need these helpers; otherwise, the safe option is to say Y.
diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c index 3e5c461..50a3ea0 100644 --- a/arch/arm/plat-samsung/init.c +++ b/arch/arm/plat-samsung/init.c
@@ -55,12 +55,13 @@ printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode); - if (cpu->map_io == NULL || cpu->init == NULL) { + if (cpu->init == NULL) { printk(KERN_ERR "CPU %s support not enabled\n", cpu->name); panic("Unsupported Samsung CPU"); } - cpu->map_io(); + if (cpu->map_io) + cpu->map_io(); } /* s3c24xx_init_clocks
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index c9770ba..8a6295c 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c
@@ -170,6 +170,7 @@ per_cpu(xen_vcpu, cpu) = vcpup; enable_percpu_irq(xen_events_irq, 0); + put_cpu(); } static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index c92de41..b25763b 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h
@@ -42,14 +42,15 @@ #define TPIDR_EL1 18 /* Thread ID, Privileged */ #define AMAIR_EL1 19 /* Aux Memory Attribute Indirection Register */ #define CNTKCTL_EL1 20 /* Timer Control Register (EL1) */ +#define PAR_EL1 21 /* Physical Address Register */ /* 32bit specific registers. Keep them at the end of the range */ -#define DACR32_EL2 21 /* Domain Access Control Register */ -#define IFSR32_EL2 22 /* Instruction Fault Status Register */ -#define FPEXC32_EL2 23 /* Floating-Point Exception Control Register */ -#define DBGVCR32_EL2 24 /* Debug Vector Catch Register */ -#define TEECR32_EL1 25 /* ThumbEE Configuration Register */ -#define TEEHBR32_EL1 26 /* ThumbEE Handler Base Register */ -#define NR_SYS_REGS 27 +#define DACR32_EL2 22 /* Domain Access Control Register */ +#define IFSR32_EL2 23 /* Instruction Fault Status Register */ +#define FPEXC32_EL2 24 /* Floating-Point Exception Control Register */ +#define DBGVCR32_EL2 25 /* Debug Vector Catch Register */ +#define TEECR32_EL1 26 /* ThumbEE Configuration Register */ +#define TEEHBR32_EL1 27 /* ThumbEE Handler Base Register */ +#define NR_SYS_REGS 28 /* 32bit mapping */ #define c0_MPIDR (MPIDR_EL1 * 2) /* MultiProcessor ID Register */ @@ -69,6 +70,8 @@ #define c5_AIFSR (AFSR1_EL1 * 2) /* Auxiliary Instr Fault Status R */ #define c6_DFAR (FAR_EL1 * 2) /* Data Fault Address Register */ #define c6_IFAR (c6_DFAR + 1) /* Instruction Fault Address Register */ +#define c7_PAR (PAR_EL1 * 2) /* Physical Address Register */ +#define c7_PAR_high (c7_PAR + 1) /* PAR top 32 bits */ #define c10_PRRR (MAIR_EL1 * 2) /* Primary Region Remap Register */ #define c10_NMRR (c10_PRRR + 1) /* Normal Memory Remap Register */ #define c12_VBAR (VBAR_EL1 * 2) /* Vector Base Address Register */
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 644d739..0859a4d 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h
@@ -129,7 +129,7 @@ struct kvm_mmu_memory_cache mmu_page_cache; /* Target CPU and feature flags */ - u32 target; + int target; DECLARE_BITMAP(features, KVM_VCPU_MAX_FEATURES); /* Detect first run of a vcpu */
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 9ba33c4..12e6ccb 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c
@@ -107,7 +107,12 @@ static int armpmu_map_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config) { - int mapping = (*event_map)[config]; + int mapping; + + if (config >= PERF_COUNT_HW_MAX) + return -EINVAL; + + mapping = (*event_map)[config]; return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping; } @@ -317,6 +322,9 @@ struct hw_perf_event fake_event = event->hw; struct pmu *leader_pmu = event->group_leader->pmu; + if (is_software_event(event)) + return 1; + if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF) return 1;
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index ff985e3..1ac0bbb 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S
@@ -214,6 +214,7 @@ mrs x21, tpidr_el1 mrs x22, amair_el1 mrs x23, cntkctl_el1 + mrs x24, par_el1 stp x4, x5, [x3] stp x6, x7, [x3, #16] @@ -225,6 +226,7 @@ stp x18, x19, [x3, #112] stp x20, x21, [x3, #128] stp x22, x23, [x3, #144] + str x24, [x3, #160] .endm .macro restore_sysregs @@ -243,6 +245,7 @@ ldp x18, x19, [x3, #112] ldp x20, x21, [x3, #128] ldp x22, x23, [x3, #144] + ldr x24, [x3, #160] msr vmpidr_el2, x4 msr csselr_el1, x5 @@ -264,6 +267,7 @@ msr tpidr_el1, x21 msr amair_el1, x22 msr cntkctl_el1, x23 + msr par_el1, x24 .endm .macro skip_32bit_state tmp, target @@ -600,6 +604,8 @@ // void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); ENTRY(__kvm_tlb_flush_vmid_ipa) + dsb ishst + kern_hyp_va x0 ldr x2, [x0, #KVM_VTTBR] msr vttbr_el2, x2 @@ -621,6 +627,7 @@ ENDPROC(__kvm_tlb_flush_vmid_ipa) ENTRY(__kvm_flush_vm_context) + dsb ishst tlbi alle1is ic ialluis dsb sy @@ -753,6 +760,10 @@ */ tbnz x1, #7, 1f // S1PTW is set + /* Preserve PAR_EL1 */ + mrs x3, par_el1 + push x3, xzr + /* * Permission fault, HPFAR_EL2 is invalid. * Resolve the IPA the hard way using the guest VA. @@ -766,6 +777,8 @@ /* Read result */ mrs x3, par_el1 + pop x0, xzr // Restore PAR_EL1 from the stack + msr par_el1, x0 tbnz x3, #0, 3f // Bail out if we failed the translation ubfx x3, x3, #12, #36 // Extract IPA lsl x3, x3, #4 // and present it like HPFAR
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 9492360..02e9d09 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c
@@ -211,6 +211,9 @@ /* FAR_EL1 */ { Op0(0b11), Op1(0b000), CRn(0b0110), CRm(0b0000), Op2(0b000), NULL, reset_unknown, FAR_EL1 }, + /* PAR_EL1 */ + { Op0(0b11), Op1(0b000), CRn(0b0111), CRm(0b0100), Op2(0b000), + NULL, reset_unknown, PAR_EL1 }, /* PMINTENSET_EL1 */ { Op0(0b11), Op1(0b000), CRn(0b1001), CRm(0b1110), Op2(0b001),
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index e773659..46048d2 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c
@@ -803,6 +803,32 @@ dec_insn.next_pc_inc; return 1; break; +#ifdef CONFIG_CPU_CAVIUM_OCTEON + case lwc2_op: /* This is bbit0 on Octeon */ + if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) == 0) + *contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2); + else + *contpc = regs->cp0_epc + 8; + return 1; + case ldc2_op: /* This is bbit032 on Octeon */ + if ((regs->regs[insn.i_format.rs] & (1ull<<(insn.i_format.rt + 32))) == 0) + *contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2); + else + *contpc = regs->cp0_epc + 8; + return 1; + case swc2_op: /* This is bbit1 on Octeon */ + if (regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) + *contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2); + else + *contpc = regs->cp0_epc + 8; + return 1; + case sdc2_op: /* This is bbit132 on Octeon */ + if (regs->regs[insn.i_format.rs] & (1ull<<(insn.i_format.rt + 32))) + *contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2); + else + *contpc = regs->cp0_epc + 8; + return 1; +#endif case cop0_op: case cop1_op: case cop2_op:
diff --git a/arch/x86/include/asm/bootparam_utils.h b/arch/x86/include/asm/bootparam_utils.h index 653668d..4a8cb8d 100644 --- a/arch/x86/include/asm/bootparam_utils.h +++ b/arch/x86/include/asm/bootparam_utils.h
@@ -35,9 +35,9 @@ */ if (boot_params->sentinel) { /* fields in boot_params are left uninitialized, clear them */ - memset(&boot_params->olpc_ofw_header, 0, + memset(&boot_params->ext_ramdisk_image, 0, (char *)&boot_params->efi_info - - (char *)&boot_params->olpc_ofw_header); + (char *)&boot_params->ext_ramdisk_image); memset(&boot_params->kbd_status, 0, (char *)&boot_params->hdr - (char *)&boot_params->kbd_status);
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index 50e5c58..4c01917 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h
@@ -59,7 +59,7 @@ extern int __apply_microcode_amd(struct microcode_amd *mc_amd); extern int apply_microcode_amd(int cpu); -extern enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size); +extern enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size); #ifdef CONFIG_MICROCODE_AMD_EARLY #ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index f654ece..08a0890 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c
@@ -512,7 +512,7 @@ static const int amd_erratum_383[]; static const int amd_erratum_400[]; -static bool cpu_has_amd_erratum(const int *erratum); +static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum); static void init_amd(struct cpuinfo_x86 *c) { @@ -729,11 +729,11 @@ value &= ~(1ULL << 24); wrmsrl_safe(MSR_AMD64_BU_CFG2, value); - if (cpu_has_amd_erratum(amd_erratum_383)) + if (cpu_has_amd_erratum(c, amd_erratum_383)) set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH); } - if (cpu_has_amd_erratum(amd_erratum_400)) + if (cpu_has_amd_erratum(c, amd_erratum_400)) set_cpu_bug(c, X86_BUG_AMD_APIC_C1E); rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); @@ -878,23 +878,13 @@ static const int amd_erratum_383[] = AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf)); -static bool cpu_has_amd_erratum(const int *erratum) + +static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum) { - struct cpuinfo_x86 *cpu = __this_cpu_ptr(&cpu_info); int osvw_id = *erratum++; u32 range; u32 ms; - /* - * If called early enough that current_cpu_data hasn't been initialized - * yet, fall back to boot_cpu_data. - */ - if (cpu->x86 == 0) - cpu = &boot_cpu_data; - - if (cpu->x86_vendor != X86_VENDOR_AMD) - return false; - if (osvw_id >= 0 && osvw_id < 65536 && cpu_has(cpu, X86_FEATURE_OSVW)) { u64 osvw_len;
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 7a0adb7..7123b5d 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c
@@ -145,10 +145,9 @@ return 0; } -static unsigned int verify_patch_size(int cpu, u32 patch_size, +static unsigned int verify_patch_size(u8 family, u32 patch_size, unsigned int size) { - struct cpuinfo_x86 *c = &cpu_data(cpu); u32 max_size; #define F1XH_MPB_MAX_SIZE 2048 @@ -156,7 +155,7 @@ #define F15H_MPB_MAX_SIZE 4096 #define F16H_MPB_MAX_SIZE 3458 - switch (c->x86) { + switch (family) { case 0x14: max_size = F14H_MPB_MAX_SIZE; break; @@ -277,9 +276,8 @@ * driver cannot continue functioning normally. In such cases, we tear * down everything we've used up so far and exit. */ -static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover) +static int verify_and_add_patch(u8 family, u8 *fw, unsigned int leftover) { - struct cpuinfo_x86 *c = &cpu_data(cpu); struct microcode_header_amd *mc_hdr; struct ucode_patch *patch; unsigned int patch_size, crnt_size, ret; @@ -299,7 +297,7 @@ /* check if patch is for the current family */ proc_fam = ((proc_fam >> 8) & 0xf) + ((proc_fam >> 20) & 0xff); - if (proc_fam != c->x86) + if (proc_fam != family) return crnt_size; if (mc_hdr->nb_dev_id || mc_hdr->sb_dev_id) { @@ -308,7 +306,7 @@ return crnt_size; } - ret = verify_patch_size(cpu, patch_size, leftover); + ret = verify_patch_size(family, patch_size, leftover); if (!ret) { pr_err("Patch-ID 0x%08x: size mismatch.\n", mc_hdr->patch_id); return crnt_size; @@ -339,7 +337,8 @@ return crnt_size; } -static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t size) +static enum ucode_state __load_microcode_amd(u8 family, const u8 *data, + size_t size) { enum ucode_state ret = UCODE_ERROR; unsigned int leftover; @@ -362,7 +361,7 @@ } while (leftover) { - crnt_size = verify_and_add_patch(cpu, fw, leftover); + crnt_size = verify_and_add_patch(family, fw, leftover); if (crnt_size < 0) return ret; @@ -373,22 +372,22 @@ return UCODE_OK; } -enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size) +enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size) { enum ucode_state ret; /* free old equiv table */ free_equiv_cpu_table(); - ret = __load_microcode_amd(cpu, data, size); + ret = __load_microcode_amd(family, data, size); if (ret != UCODE_OK) cleanup(); #if defined(CONFIG_MICROCODE_AMD_EARLY) && defined(CONFIG_X86_32) /* save BSP's matching patch for early load */ - if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) { - struct ucode_patch *p = find_patch(cpu); + if (cpu_data(smp_processor_id()).cpu_index == boot_cpu_data.cpu_index) { + struct ucode_patch *p = find_patch(smp_processor_id()); if (p) { memset(amd_bsp_mpb, 0, MPB_MAX_SIZE); memcpy(amd_bsp_mpb, p->data, min_t(u32, ksize(p->data), @@ -441,7 +440,7 @@ goto fw_release; } - ret = load_microcode_amd(cpu, fw->data, fw->size); + ret = load_microcode_amd(c->x86, fw->data, fw->size); fw_release: release_firmware(fw);
diff --git a/arch/x86/kernel/microcode_amd_early.c b/arch/x86/kernel/microcode_amd_early.c index 1d14ffe..6073104 100644 --- a/arch/x86/kernel/microcode_amd_early.c +++ b/arch/x86/kernel/microcode_amd_early.c
@@ -238,25 +238,17 @@ uci->cpu_sig.sig = cpuid_eax(0x00000001); } #else -static void collect_cpu_info_amd_early(struct cpuinfo_x86 *c, - struct ucode_cpu_info *uci) +void load_ucode_amd_ap(void) { + unsigned int cpu = smp_processor_id(); + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; u32 rev, eax; rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax); eax = cpuid_eax(0x00000001); - uci->cpu_sig.sig = eax; uci->cpu_sig.rev = rev; - c->microcode = rev; - c->x86 = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); -} - -void load_ucode_amd_ap(void) -{ - unsigned int cpu = smp_processor_id(); - - collect_cpu_info_amd_early(&cpu_data(cpu), ucode_cpu_info + cpu); + uci->cpu_sig.sig = eax; if (cpu && !ucode_loaded) { void *ucode; @@ -265,8 +257,10 @@ return; ucode = (void *)(initrd_start + ucode_offset); - if (load_microcode_amd(0, ucode, ucode_size) != UCODE_OK) + eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); + if (load_microcode_amd(eax, ucode, ucode_size) != UCODE_OK) return; + ucode_loaded = true; } @@ -278,6 +272,8 @@ { enum ucode_state ret; void *ucode; + u32 eax; + #ifdef CONFIG_X86_32 unsigned int bsp = boot_cpu_data.cpu_index; struct ucode_cpu_info *uci = ucode_cpu_info + bsp; @@ -293,7 +289,10 @@ return 0; ucode = (void *)(initrd_start + ucode_offset); - ret = load_microcode_amd(0, ucode, ucode_size); + eax = cpuid_eax(0x00000001); + eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); + + ret = load_microcode_amd(eax, ucode, ucode_size); if (ret != UCODE_OK) return -EINVAL;
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 48f8375..30277e2 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c
@@ -101,7 +101,7 @@ *begin = new_begin; } } else { - *begin = mmap_legacy_base(); + *begin = current->mm->mmap_legacy_base; *end = TASK_SIZE; } }
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index f63778c..25e7e13 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c
@@ -98,7 +98,7 @@ * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64 * does, but not when emulating X86_32 */ -unsigned long mmap_legacy_base(void) +static unsigned long mmap_legacy_base(void) { if (mmap_is_ia32()) return TASK_UNMAPPED_BASE; @@ -112,11 +112,13 @@ */ void arch_pick_mmap_layout(struct mm_struct *mm) { + mm->mmap_legacy_base = mmap_legacy_base(); + mm->mmap_base = mmap_base(); + if (mmap_is_legacy()) { - mm->mmap_base = mmap_legacy_base(); + mm->mmap_base = mm->mmap_legacy_base; mm->get_unmapped_area = arch_get_unmapped_area; } else { - mm->mmap_base = mmap_base(); mm->get_unmapped_area = arch_get_unmapped_area_topdown; } }
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 056d11f..8f3eea6 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c
@@ -313,6 +313,17 @@ e820_add_region(start, end - start, type); } +void xen_ignore_unusable(struct e820entry *list, size_t map_size) +{ + struct e820entry *entry; + unsigned int i; + + for (i = 0, entry = list; i < map_size; i++, entry++) { + if (entry->type == E820_UNUSABLE) + entry->type = E820_RAM; + } +} + /** * machine_specific_memory_setup - Hook for machine specific memory setup. **/ @@ -353,6 +364,17 @@ } BUG_ON(rc); + /* + * Xen won't allow a 1:1 mapping to be created to UNUSABLE + * regions, so if we're using the machine memory map leave the + * region as RAM as it is in the pseudo-physical map. + * + * UNUSABLE regions in domUs are not handled and will need + * a patch in the future. + */ + if (xen_initial_domain()) + xen_ignore_unusable(map, memmap.nr_entries); + /* Make sure the Xen-supplied memory map is well-ordered. */ sanitize_e820_map(map, memmap.nr_entries, &memmap.nr_entries);
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index ca92754..b81c88e 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c
@@ -694,8 +694,15 @@ static int xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle) { int rc; - rc = native_cpu_up(cpu, tidle); - WARN_ON (xen_smp_intr_init(cpu)); + /* + * xen_smp_intr_init() needs to run before native_cpu_up() + * so that IPI vectors are set up on the booting CPU before + * it is marked online in native_cpu_up(). + */ + rc = xen_smp_intr_init(cpu); + WARN_ON(rc); + if (!rc) + rc = native_cpu_up(cpu, tidle); return rc; }
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index e1284b8..3270d3c 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c
@@ -908,9 +908,6 @@ device->cap._DDC = 1; } - if (acpi_video_init_brightness(device)) - return; - if (acpi_video_backlight_support()) { struct backlight_properties props; struct pci_dev *pdev; @@ -920,6 +917,9 @@ static int count = 0; char *name; + result = acpi_video_init_brightness(device); + if (result) + return; name = kasprintf(GFP_KERNEL, "acpi_video%d", count); if (!name) return; @@ -979,11 +979,6 @@ if (result) printk(KERN_ERR PREFIX "Create sysfs link\n"); - } else { - /* Remove the brightness object. */ - kfree(device->brightness->levels); - kfree(device->brightness); - device->brightness = NULL; } }
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 1c41722..20fd337 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c
@@ -289,24 +289,24 @@ /* Disable sending Early R_OK. * With "cached read" HDD testing and multiple ports busy on a SATA - * host controller, 3726 PMP will very rarely drop a deferred + * host controller, 3x26 PMP will very rarely drop a deferred * R_OK that was intended for the host. Symptom will be all * 5 drives under test will timeout, get reset, and recover. */ - if (vendor == 0x1095 && devid == 0x3726) { + if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) { u32 reg; err_mask = sata_pmp_read(&ap->link, PMP_GSCR_SII_POL, ®); if (err_mask) { rc = -EIO; - reason = "failed to read Sil3726 Private Register"; + reason = "failed to read Sil3x26 Private Register"; goto fail; } reg &= ~0x1; err_mask = sata_pmp_write(&ap->link, PMP_GSCR_SII_POL, reg); if (err_mask) { rc = -EIO; - reason = "failed to write Sil3726 Private Register"; + reason = "failed to write Sil3x26 Private Register"; goto fail; } } @@ -383,8 +383,8 @@ u16 devid = sata_pmp_gscr_devid(gscr); struct ata_link *link; - if (vendor == 0x1095 && devid == 0x3726) { - /* sil3726 quirks */ + if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) { + /* sil3x26 quirks */ ata_for_each_link(link, ap, EDGE) { /* link reports offline after LPM */ link->flags |= ATA_LFLAG_NO_LPM;
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 19720a0..851bd3f 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c
@@ -293,6 +293,7 @@ { struct sata_fsl_host_priv *host_priv = host->private_data; void __iomem *hcr_base = host_priv->hcr_base; + unsigned long flags; if (count > ICC_MAX_INT_COUNT_THRESHOLD) count = ICC_MAX_INT_COUNT_THRESHOLD; @@ -305,12 +306,12 @@ (count > ICC_MIN_INT_COUNT_THRESHOLD)) ticks = ICC_SAFE_INT_TICKS; - spin_lock(&host->lock); + spin_lock_irqsave(&host->lock, flags); iowrite32((count << 24 | ticks), hcr_base + ICC); intr_coalescing_count = count; intr_coalescing_ticks = ticks; - spin_unlock(&host->lock); + spin_unlock_irqrestore(&host->lock, flags); DPRINTK("interrupt coalescing, count = 0x%x, ticks = %x\n", intr_coalescing_count, intr_coalescing_ticks);
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c index d047d92..e9a4f46 100644 --- a/drivers/ata/sata_highbank.c +++ b/drivers/ata/sata_highbank.c
@@ -86,11 +86,11 @@ #define SGPIO_SIGNALS 3 #define ECX_ACTIVITY_BITS 0x300000 -#define ECX_ACTIVITY_SHIFT 2 +#define ECX_ACTIVITY_SHIFT 0 #define ECX_LOCATE_BITS 0x80000 #define ECX_LOCATE_SHIFT 1 #define ECX_FAULT_BITS 0x400000 -#define ECX_FAULT_SHIFT 0 +#define ECX_FAULT_SHIFT 2 static inline int sgpio_bit_shift(struct ecx_plat_data *pdata, u32 port, u32 shift) {
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index ad1fde2..e9dedb2 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -197,7 +197,7 @@ cpu_dev = &pdev->dev; cpu_dev->of_node = np; - cpu_reg = devm_regulator_get(cpu_dev, "cpu0"); + cpu_reg = devm_regulator_get_optional(cpu_dev, "cpu0"); if (IS_ERR(cpu_reg)) { /* * If cpu0 regulator supply node is present, but regulator is
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c index 19e3660..3bc84145 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -500,7 +500,8 @@ &status)) goto log_fail; - while (status == SDVO_CMD_STATUS_PENDING && retry--) { + while ((status == SDVO_CMD_STATUS_PENDING || + status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) { udelay(15); if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, SDVO_I2C_CMD_STATUS,
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index dc53a52..9e65783 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -85,9 +85,17 @@ struct sg_table *sg, enum dma_data_direction dir) { + struct drm_i915_gem_object *obj = attachment->dmabuf->priv; + + mutex_lock(&obj->base.dev->struct_mutex); + dma_unmap_sg(attachment->dev, sg->sgl, sg->nents, dir); sg_free_table(sg); kfree(sg); + + i915_gem_object_unpin_pages(obj); + + mutex_unlock(&obj->base.dev->struct_mutex); } static void i915_gem_dmabuf_release(struct dma_buf *dma_buf)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6f51429..53cddd9 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -752,6 +752,8 @@ will not assert AGPBUSY# and will only be delivered when out of C3. */ #define INSTPM_FORCE_ORDERING (1<<7) /* GEN6+ */ +#define INSTPM_TLB_INVALIDATE (1<<9) +#define INSTPM_SYNC_FLUSH (1<<5) #define ACTHD 0x020c8 #define FW_BLC 0x020d8 #define FW_BLC2 0x020dc
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e38b457..be79f47 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10042,6 +10042,8 @@ u32 power_well_driver; + int num_transcoders; + struct intel_cursor_error_state { u32 control; u32 position; @@ -10050,16 +10052,7 @@ } cursor[I915_MAX_PIPES]; struct intel_pipe_error_state { - enum transcoder cpu_transcoder; - u32 conf; u32 source; - - u32 htotal; - u32 hblank; - u32 hsync; - u32 vtotal; - u32 vblank; - u32 vsync; } pipe[I915_MAX_PIPES]; struct intel_plane_error_state { @@ -10071,6 +10064,19 @@ u32 surface; u32 tile_offset; } plane[I915_MAX_PIPES]; + + struct intel_transcoder_error_state { + enum transcoder cpu_transcoder; + + u32 conf; + + u32 htotal; + u32 hblank; + u32 hsync; + u32 vtotal; + u32 vblank; + u32 vsync; + } transcoder[4]; }; struct intel_display_error_state * @@ -10078,9 +10084,17 @@ { drm_i915_private_t *dev_priv = dev->dev_private; struct intel_display_error_state *error; - enum transcoder cpu_transcoder; + int transcoders[] = { + TRANSCODER_A, + TRANSCODER_B, + TRANSCODER_C, + TRANSCODER_EDP, + }; int i; + if (INTEL_INFO(dev)->num_pipes == 0) + return NULL; + error = kmalloc(sizeof(*error), GFP_ATOMIC); if (error == NULL) return NULL; @@ -10089,9 +10103,6 @@ error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); for_each_pipe(i) { - cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i); - error->pipe[i].cpu_transcoder = cpu_transcoder; - if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) { error->cursor[i].control = I915_READ(CURCNTR(i)); error->cursor[i].position = I915_READ(CURPOS(i)); @@ -10115,14 +10126,25 @@ error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); } - error->pipe[i].conf = I915_READ(PIPECONF(cpu_transcoder)); error->pipe[i].source = I915_READ(PIPESRC(i)); - error->pipe[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); - error->pipe[i].hblank = I915_READ(HBLANK(cpu_transcoder)); - error->pipe[i].hsync = I915_READ(HSYNC(cpu_transcoder)); - error->pipe[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); - error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder)); - error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder)); + } + + error->num_transcoders = INTEL_INFO(dev)->num_pipes; + if (HAS_DDI(dev_priv->dev)) + error->num_transcoders++; /* Account for eDP. */ + + for (i = 0; i < error->num_transcoders; i++) { + enum transcoder cpu_transcoder = transcoders[i]; + + error->transcoder[i].cpu_transcoder = cpu_transcoder; + + error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); + error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); + error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); + error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); + error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); + error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); + error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); } /* In the code above we read the registers without checking if the power @@ -10144,22 +10166,16 @@ { int i; + if (!error) + return; + err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); if (HAS_POWER_WELL(dev)) err_printf(m, "PWR_WELL_CTL2: %08x\n", error->power_well_driver); for_each_pipe(i) { err_printf(m, "Pipe [%d]:\n", i); - err_printf(m, " CPU transcoder: %c\n", - transcoder_name(error->pipe[i].cpu_transcoder)); - err_printf(m, " CONF: %08x\n", error->pipe[i].conf); err_printf(m, " SRC: %08x\n", error->pipe[i].source); - err_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal); - err_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank); - err_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync); - err_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal); - err_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank); - err_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync); err_printf(m, "Plane [%d]:\n", i); err_printf(m, " CNTR: %08x\n", error->plane[i].control); @@ -10180,5 +10196,17 @@ err_printf(m, " POS: %08x\n", error->cursor[i].position); err_printf(m, " BASE: %08x\n", error->cursor[i].base); } + + for (i = 0; i < error->num_transcoders; i++) { + err_printf(m, " CPU transcoder: %c\n", + transcoder_name(error->transcoder[i].cpu_transcoder)); + err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); + err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); + err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); + err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); + err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); + err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); + err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); + } } #endif
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 664118d..079ef01 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -968,6 +968,18 @@ I915_WRITE(mmio, (u32)ring->status_page.gfx_addr); POSTING_READ(mmio); + + /* Flush the TLB for this page */ + if (INTEL_INFO(dev)->gen >= 6) { + u32 reg = RING_INSTPM(ring->mmio_base); + I915_WRITE(reg, + _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE | + INSTPM_SYNC_FLUSH)); + if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0, + 1000)) + DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n", + ring->name); + } } static int
diff --git a/drivers/gpu/drm/nouveau/core/core/mm.c b/drivers/gpu/drm/nouveau/core/core/mm.c index d829172..7a4e089 100644 --- a/drivers/gpu/drm/nouveau/core/core/mm.c +++ b/drivers/gpu/drm/nouveau/core/core/mm.c
@@ -98,6 +98,8 @@ u32 splitoff; u32 s, e; + BUG_ON(!type); + list_for_each_entry(this, &mm->free, fl_entry) { e = this->offset + this->length; s = this->offset; @@ -162,6 +164,8 @@ struct nouveau_mm_node *prev, *this, *next; u32 mask = align - 1; + BUG_ON(!type); + list_for_each_entry_reverse(this, &mm->free, fl_entry) { u32 e = this->offset + this->length; u32 s = this->offset;
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h index d550226..9d2cd20 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h
@@ -20,8 +20,8 @@ return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_MC]; } -#define nouveau_mc_create(p,e,o,d) \ - nouveau_mc_create_((p), (e), (o), sizeof(**d), (void **)d) +#define nouveau_mc_create(p,e,o,m,d) \ + nouveau_mc_create_((p), (e), (o), (m), sizeof(**d), (void **)d) #define nouveau_mc_destroy(p) ({ \ struct nouveau_mc *pmc = (p); _nouveau_mc_dtor(nv_object(pmc)); \ }) @@ -33,7 +33,8 @@ }) int nouveau_mc_create_(struct nouveau_object *, struct nouveau_object *, - struct nouveau_oclass *, int, void **); + struct nouveau_oclass *, const struct nouveau_mc_intr *, + int, void **); void _nouveau_mc_dtor(struct nouveau_object *); int _nouveau_mc_init(struct nouveau_object *); int _nouveau_mc_fini(struct nouveau_object *, bool);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv49.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv49.c index 19e3a9a..ab7ef0a 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv49.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv49.c
@@ -40,15 +40,15 @@ return ret; switch (pfb914 & 0x00000003) { - case 0x00000000: pfb->ram->type = NV_MEM_TYPE_DDR1; break; - case 0x00000001: pfb->ram->type = NV_MEM_TYPE_DDR2; break; - case 0x00000002: pfb->ram->type = NV_MEM_TYPE_GDDR3; break; + case 0x00000000: ram->type = NV_MEM_TYPE_DDR1; break; + case 0x00000001: ram->type = NV_MEM_TYPE_DDR2; break; + case 0x00000002: ram->type = NV_MEM_TYPE_GDDR3; break; case 0x00000003: break; } - pfb->ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000; - pfb->ram->parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1; - pfb->ram->tags = nv_rd32(pfb, 0x100320); + ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000; + ram->parts = (nv_rd32(pfb, 0x100200) & 0x00000003) + 1; + ram->tags = nv_rd32(pfb, 0x100320); return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv4e.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv4e.c index 7192aa6..63a6aab 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv4e.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv4e.c
@@ -38,8 +38,8 @@ if (ret) return ret; - pfb->ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000; - pfb->ram->type = NV_MEM_TYPE_STOLEN; + ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000; + ram->type = NV_MEM_TYPE_STOLEN; return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c index bcca883..cce65cc 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c
@@ -30,8 +30,9 @@ struct nouveau_ltcg base; u32 part_nr; u32 subp_nr; - struct nouveau_mm tags; u32 num_tags; + u32 tag_base; + struct nouveau_mm tags; struct nouveau_mm_node *tag_ram; }; @@ -117,10 +118,6 @@ u32 tag_size, tag_margin, tag_align; int ret; - nv_wr32(priv, 0x17e8d8, priv->part_nr); - if (nv_device(pfb)->card_type >= NV_E0) - nv_wr32(priv, 0x17e000, priv->part_nr); - /* tags for 1/4 of VRAM should be enough (8192/4 per GiB of VRAM) */ priv->num_tags = (pfb->ram->size >> 17) / 4; if (priv->num_tags > (1 << 17)) @@ -142,7 +139,7 @@ tag_size += tag_align; tag_size = (tag_size + 0xfff) >> 12; /* round up */ - ret = nouveau_mm_tail(&pfb->vram, 0, tag_size, tag_size, 1, + ret = nouveau_mm_tail(&pfb->vram, 1, tag_size, tag_size, 1, &priv->tag_ram); if (ret) { priv->num_tags = 0; @@ -152,7 +149,7 @@ tag_base += tag_align - 1; ret = do_div(tag_base, tag_align); - nv_wr32(priv, 0x17e8d4, tag_base); + priv->tag_base = tag_base; } ret = nouveau_mm_init(&priv->tags, 0, priv->num_tags, 1); @@ -182,8 +179,6 @@ } priv->subp_nr = nv_rd32(priv, 0x17e8dc) >> 28; - nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */ - ret = nvc0_ltcg_init_tag_ram(pfb, priv); if (ret) return ret; @@ -209,13 +204,32 @@ nouveau_ltcg_destroy(ltcg); } +static int +nvc0_ltcg_init(struct nouveau_object *object) +{ + struct nouveau_ltcg *ltcg = (struct nouveau_ltcg *)object; + struct nvc0_ltcg_priv *priv = (struct nvc0_ltcg_priv *)ltcg; + int ret; + + ret = nouveau_ltcg_init(ltcg); + if (ret) + return ret; + + nv_mask(priv, 0x17e820, 0x00100000, 0x00000000); /* INTR_EN &= ~0x10 */ + nv_wr32(priv, 0x17e8d8, priv->part_nr); + if (nv_device(ltcg)->card_type >= NV_E0) + nv_wr32(priv, 0x17e000, priv->part_nr); + nv_wr32(priv, 0x17e8d4, priv->tag_base); + return 0; +} + struct nouveau_oclass nvc0_ltcg_oclass = { .handle = NV_SUBDEV(LTCG, 0xc0), .ofuncs = &(struct nouveau_ofuncs) { .ctor = nvc0_ltcg_ctor, .dtor = nvc0_ltcg_dtor, - .init = _nouveau_ltcg_init, + .init = nvc0_ltcg_init, .fini = _nouveau_ltcg_fini, }, };
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index 1c0330b..ec9cd6f 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
@@ -80,7 +80,9 @@ int nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, int length, void **pobject) + struct nouveau_oclass *oclass, + const struct nouveau_mc_intr *intr_map, + int length, void **pobject) { struct nouveau_device *device = nv_device(parent); struct nouveau_mc *pmc; @@ -92,6 +94,8 @@ if (ret) return ret; + pmc->intr_map = intr_map; + ret = request_irq(device->pdev->irq, nouveau_mc_intr, IRQF_SHARED, "nouveau", pmc); if (ret < 0)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c index 8c76971..64aa4ed 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c
@@ -50,12 +50,11 @@ struct nv04_mc_priv *priv; int ret; - ret = nouveau_mc_create(parent, engine, oclass, &priv); + ret = nouveau_mc_create(parent, engine, oclass, nv04_mc_intr, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->base.intr_map = nv04_mc_intr; return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c index 5191937..d989178 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c
@@ -36,12 +36,11 @@ struct nv44_mc_priv *priv; int ret; - ret = nouveau_mc_create(parent, engine, oclass, &priv); + ret = nouveau_mc_create(parent, engine, oclass, nv04_mc_intr, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->base.intr_map = nv04_mc_intr; return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c index f25fc5f..2b1afe2 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c
@@ -53,12 +53,11 @@ struct nv50_mc_priv *priv; int ret; - ret = nouveau_mc_create(parent, engine, oclass, &priv); + ret = nouveau_mc_create(parent, engine, oclass, nv50_mc_intr, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->base.intr_map = nv50_mc_intr; return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c index e82fd21..0d57b4d 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c
@@ -54,12 +54,11 @@ struct nv98_mc_priv *priv; int ret; - ret = nouveau_mc_create(parent, engine, oclass, &priv); + ret = nouveau_mc_create(parent, engine, oclass, nv98_mc_intr, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->base.intr_map = nv98_mc_intr; return 0; }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c index c5da3ba..104175c 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
@@ -57,12 +57,11 @@ struct nvc0_mc_priv *priv; int ret; - ret = nouveau_mc_create(parent, engine, oclass, &priv); + ret = nouveau_mc_create(parent, engine, oclass, nvc0_mc_intr, &priv); *pobject = nv_object(priv); if (ret) return ret; - priv->base.intr_map = nvc0_mc_intr; return 0; }
diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c index 0782bd2..6a13ffb 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
@@ -606,6 +606,24 @@ regp->ramdac_a34 = 0x1; } +static int +nv_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb) +{ + struct nv04_display *disp = nv04_display(crtc->dev); + struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->fb); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + int ret; + + ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM); + if (ret == 0) { + if (disp->image[nv_crtc->index]) + nouveau_bo_unpin(disp->image[nv_crtc->index]); + nouveau_bo_ref(nvfb->nvbo, &disp->image[nv_crtc->index]); + } + + return ret; +} + /** * Sets up registers for the given mode/adjusted_mode pair. * @@ -622,10 +640,15 @@ struct drm_device *dev = crtc->dev; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct nouveau_drm *drm = nouveau_drm(dev); + int ret; NV_DEBUG(drm, "CTRC mode on CRTC %d:\n", nv_crtc->index); drm_mode_debug_printmodeline(adjusted_mode); + ret = nv_crtc_swap_fbs(crtc, old_fb); + if (ret) + return ret; + /* unlock must come after turning off FP_TG_CONTROL in output_prepare */ nv_lock_vga_crtc_shadow(dev, nv_crtc->index, -1); @@ -722,6 +745,7 @@ static void nv_crtc_destroy(struct drm_crtc *crtc) { + struct nv04_display *disp = nv04_display(crtc->dev); struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); if (!nv_crtc) @@ -729,6 +753,10 @@ drm_crtc_cleanup(crtc); + if (disp->image[nv_crtc->index]) + nouveau_bo_unpin(disp->image[nv_crtc->index]); + nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]); + nouveau_bo_unmap(nv_crtc->cursor.nvbo); nouveau_bo_unpin(nv_crtc->cursor.nvbo); nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); @@ -754,6 +782,16 @@ } static void +nv_crtc_disable(struct drm_crtc *crtc) +{ + struct nv04_display *disp = nv04_display(crtc->dev); + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + if (disp->image[nv_crtc->index]) + nouveau_bo_unpin(disp->image[nv_crtc->index]); + nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]); +} + +static void nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, uint32_t size) { @@ -791,7 +829,6 @@ struct drm_framebuffer *drm_fb; struct nouveau_framebuffer *fb; int arb_burst, arb_lwm; - int ret; NV_DEBUG(drm, "index %d\n", nv_crtc->index); @@ -801,10 +838,8 @@ return 0; } - /* If atomic, we want to switch to the fb we were passed, so - * now we update pointers to do that. (We don't pin; just - * assume we're already pinned and update the base address.) + * now we update pointers to do that. */ if (atomic) { drm_fb = passed_fb; @@ -812,17 +847,6 @@ } else { drm_fb = crtc->fb; fb = nouveau_framebuffer(crtc->fb); - /* If not atomic, we can go ahead and pin, and unpin the - * old fb we were passed. - */ - ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); - if (ret) - return ret; - - if (passed_fb) { - struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb); - nouveau_bo_unpin(ofb->nvbo); - } } nv_crtc->fb.offset = fb->nvbo->bo.offset; @@ -877,6 +901,9 @@ nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { + int ret = nv_crtc_swap_fbs(crtc, old_fb); + if (ret) + return ret; return nv04_crtc_do_mode_set_base(crtc, old_fb, x, y, false); } @@ -1027,6 +1054,7 @@ .mode_set_base = nv04_crtc_mode_set_base, .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic, .load_lut = nv_crtc_gamma_load, + .disable = nv_crtc_disable, }; int
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.h b/drivers/gpu/drm/nouveau/dispnv04/disp.h index a0a031d..9928187 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/disp.h +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.h
@@ -81,6 +81,7 @@ uint32_t saved_vga_font[4][16384]; uint32_t dac_users[4]; struct nouveau_object *core; + struct nouveau_bo *image[2]; }; static inline struct nv04_display *
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 907d20e..a03e75d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -577,6 +577,9 @@ ret = nv50_display_flip_next(crtc, fb, chan, 0); if (ret) goto fail_unreserve; + } else { + struct nv04_display *dispnv04 = nv04_display(dev); + nouveau_bo_ref(new_bo, &dispnv04->image[nouveau_crtc(crtc)->index]); } ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
diff --git a/drivers/gpu/drm/nouveau/nv40_pm.c b/drivers/gpu/drm/nouveau/nv40_pm.c index 3af5bcd..625f80d 100644 --- a/drivers/gpu/drm/nouveau/nv40_pm.c +++ b/drivers/gpu/drm/nouveau/nv40_pm.c
@@ -131,7 +131,7 @@ if (clk < pll->vco1.max_freq) pll->vco2.max_freq = 0; - pclk->pll_calc(pclk, pll, clk, &coef); + ret = pclk->pll_calc(pclk, pll, clk, &coef); if (ret == 0) return -ERANGE;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 274b8e1..9f19259 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2163,7 +2163,7 @@ WREG32(reg, tmp_); \ } while (0) #define WREG32_AND(reg, and) WREG32_P(reg, 0, and) -#define WREG32_OR(reg, or) WREG32_P(reg, or, ~or) +#define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or)) #define WREG32_PLL_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32_PLL(reg); \
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index f1c1575..b79f4f5 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -356,6 +356,14 @@ return -EINVAL; } + if (bo->tbo.sync_obj) { + r = radeon_fence_wait(bo->tbo.sync_obj, false); + if (r) { + DRM_ERROR("Failed waiting for UVD message (%d)!\n", r); + return r; + } + } + r = radeon_bo_kmap(bo, &ptr); if (r) { DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index bcc68ec..f5e92cf 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c
@@ -744,10 +744,10 @@ (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers)); radeon_program_register_sequence(rdev, rv730_golden_registers, - (const u32)ARRAY_SIZE(rv770_golden_registers)); + (const u32)ARRAY_SIZE(rv730_golden_registers)); radeon_program_register_sequence(rdev, rv730_mgcg_init, - (const u32)ARRAY_SIZE(rv770_mgcg_init)); + (const u32)ARRAY_SIZE(rv730_mgcg_init)); break; case CHIP_RV710: radeon_program_register_sequence(rdev, @@ -758,18 +758,18 @@ (const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers)); radeon_program_register_sequence(rdev, rv710_golden_registers, - (const u32)ARRAY_SIZE(rv770_golden_registers)); + (const u32)ARRAY_SIZE(rv710_golden_registers)); radeon_program_register_sequence(rdev, rv710_mgcg_init, - (const u32)ARRAY_SIZE(rv770_mgcg_init)); + (const u32)ARRAY_SIZE(rv710_mgcg_init)); break; case CHIP_RV740: radeon_program_register_sequence(rdev, rv740_golden_registers, - (const u32)ARRAY_SIZE(rv770_golden_registers)); + (const u32)ARRAY_SIZE(rv740_golden_registers)); radeon_program_register_sequence(rdev, rv740_mgcg_init, - (const u32)ARRAY_SIZE(rv770_mgcg_init)); + (const u32)ARRAY_SIZE(rv740_mgcg_init)); break; default: break;
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 2507f90..ab5dc3a 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c
@@ -957,7 +957,7 @@ * If a regulator is available, * query what the supply voltage actually is! */ - data->reg = devm_regulator_get(data->dev, "vcc"); + data->reg = devm_regulator_get_optional(data->dev, "vcc"); if (!IS_ERR(data->reg)) { int voltage;
diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c index 5f4749e..c1cd569 100644 --- a/drivers/iio/light/adjd_s311.c +++ b/drivers/iio/light/adjd_s311.c
@@ -232,7 +232,8 @@ switch (mask) { case IIO_CHAN_INFO_RAW: - ret = adjd_s311_read_data(indio_dev, chan->address, val); + ret = adjd_s311_read_data(indio_dev, + ADJD_S311_DATA_REG(chan->address), val); if (ret < 0) return ret; return IIO_VAL_INT;
diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index dc112a7..4296155 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c
@@ -959,23 +959,21 @@ return r; } -static void remove_mapping(struct mq_policy *mq, dm_oblock_t oblock) +static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock) { - struct entry *e = hash_lookup(mq, oblock); + struct mq_policy *mq = to_mq_policy(p); + struct entry *e; + + mutex_lock(&mq->lock); + + e = hash_lookup(mq, oblock); BUG_ON(!e || !e->in_cache); del(mq, e); e->in_cache = false; push(mq, e); -} -static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock) -{ - struct mq_policy *mq = to_mq_policy(p); - - mutex_lock(&mq->lock); - remove_mapping(mq, oblock); mutex_unlock(&mq->lock); }
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 49a5bca..5d08855 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c
@@ -1313,7 +1313,7 @@ supply = devm_regulator_get(dev, "vmmc"); mmc->supply.vmmc = supply; - mmc->supply.vqmmc = devm_regulator_get(dev, "vqmmc"); + mmc->supply.vqmmc = devm_regulator_get_optional(dev, "vqmmc"); if (IS_ERR(supply)) return PTR_ERR(supply);
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index ee5f167..5424073 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c
@@ -2231,7 +2231,7 @@ } } - host->vmmc = devm_regulator_get(host->dev, "vmmc"); + host->vmmc = devm_regulator_get_optional(host->dev, "vmmc"); if (IS_ERR(host->vmmc)) { ret = PTR_ERR(host->vmmc); if (ret == -EPROBE_DEFER)
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 2c5a91b..1956a3d 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c
@@ -83,7 +83,7 @@ static inline void pxamci_init_ocr(struct pxamci_host *host) { #ifdef CONFIG_REGULATOR - host->vcc = regulator_get(mmc_dev(host->mmc), "vmmc"); + host->vcc = regulator_get_optional(mmc_dev(host->mmc), "vmmc"); if (IS_ERR(host->vcc)) host->vcc = NULL;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index a78bd4f..dd2c083 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c
@@ -2966,7 +2966,7 @@ mmc->caps |= MMC_CAP_NEEDS_POLL; /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */ - host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc"); + host->vqmmc = regulator_get_optional(mmc_dev(mmc), "vqmmc"); if (IS_ERR_OR_NULL(host->vqmmc)) { if (PTR_ERR(host->vqmmc) < 0) { pr_info("%s: no vqmmc regulator found\n", @@ -3042,7 +3042,7 @@ ocr_avail = 0; - host->vmmc = regulator_get(mmc_dev(mmc), "vmmc"); + host->vmmc = regulator_get_optional(mmc_dev(mmc), "vmmc"); if (IS_ERR_OR_NULL(host->vmmc)) { if (PTR_ERR(host->vmmc) < 0) { pr_info("%s: no vmmc regulator found\n",
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index ce9b387..00b88cb 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1333,6 +1333,8 @@ BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, BNX2X_SP_RTNL_VFPF_STORM_RX_MODE, BNX2X_SP_RTNL_HYPERVISOR_VLAN, + BNX2X_SP_RTNL_TX_STOP, + BNX2X_SP_RTNL_TX_RESUME, }; struct bnx2x_prev_path_list {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index f9122f2..fcf2761 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
@@ -30,10 +30,8 @@ #include "bnx2x_dcb.h" /* forward declarations of dcbx related functions */ -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); static void bnx2x_pfc_set_pfc(struct bnx2x *bp); static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, u32 *set_configuration_ets_pg, u32 *pri_pg_tbl); @@ -425,30 +423,52 @@ bnx2x_pfc_clear(bp); } -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) +int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) { struct bnx2x_func_state_params func_params = {NULL}; + int rc; func_params.f_obj = &bp->func_obj; func_params.cmd = BNX2X_F_CMD_TX_STOP; + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); + DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n"); - return bnx2x_func_state_change(bp, &func_params); + + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) { + BNX2X_ERR("Unable to hold traffic for HW configuration\n"); + bnx2x_panic(); + } + + return rc; } -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) +int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) { struct bnx2x_func_state_params func_params = {NULL}; struct bnx2x_func_tx_start_params *tx_params = &func_params.params.tx_start; + int rc; func_params.f_obj = &bp->func_obj; func_params.cmd = BNX2X_F_CMD_TX_START; + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); + bnx2x_dcbx_fw_struct(bp, tx_params); DP(BNX2X_MSG_DCB, "START TRAFFIC\n"); - return bnx2x_func_state_change(bp, &func_params); + + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) { + BNX2X_ERR("Unable to resume traffic after HW configuration\n"); + bnx2x_panic(); + } + + return rc; } static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) @@ -744,7 +764,9 @@ if (IS_MF(bp)) bnx2x_link_sync_notify(bp); - bnx2x_dcbx_stop_hw_tx(bp); + set_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state); + + schedule_delayed_work(&bp->sp_rtnl_task, 0); return; } @@ -757,7 +779,9 @@ /* ets may affect cmng configuration: reinit it in hw */ bnx2x_set_local_cmng(bp); - bnx2x_dcbx_resume_hw_tx(bp); + set_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state); + + schedule_delayed_work(&bp->sp_rtnl_task, 0); return; case BNX2X_DCBX_STATE_TX_RELEASED: @@ -2367,21 +2391,24 @@ case DCB_FEATCFG_ATTR_PG: if (bp->dcbx_local_feat.ets.enabled) *flags |= DCB_FEATCFG_ENABLE; - if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR) + if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_PFC: if (bp->dcbx_local_feat.pfc.enabled) *flags |= DCB_FEATCFG_ENABLE; if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | - DCBX_LOCAL_PFC_MISMATCH)) + DCBX_LOCAL_PFC_MISMATCH | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_APP: if (bp->dcbx_local_feat.app.enabled) *flags |= DCB_FEATCFG_ENABLE; if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | - DCBX_LOCAL_APP_MISMATCH)) + DCBX_LOCAL_APP_MISMATCH | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; default:
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h index 125bd1b..804b8f6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h
@@ -199,4 +199,7 @@ int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall); #endif /* BCM_DCBNL */ +int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); +int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); + #endif /* BNX2X_DCB_H */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 955d6cf..8bdc8b9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2261,6 +2261,23 @@ bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; } +static void bnx2x_init_dropless_fc(struct bnx2x *bp) +{ + u32 pause_enabled = 0; + + if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) { + if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) + pause_enabled = 1; + + REG_WR(bp, BAR_USTRORM_INTMEM + + USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)), + pause_enabled); + } + + DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n", + pause_enabled ? "enabled" : "disabled"); +} + int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) { int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp); @@ -2294,6 +2311,8 @@ bnx2x_release_phy_lock(bp); + bnx2x_init_dropless_fc(bp); + bnx2x_calc_fc_adv(bp); if (bp->link_vars.link_up) { @@ -2315,6 +2334,8 @@ bnx2x_phy_init(&bp->link_params, &bp->link_vars); bnx2x_release_phy_lock(bp); + bnx2x_init_dropless_fc(bp); + bnx2x_calc_fc_adv(bp); } else BNX2X_ERR("Bootcode is missing - can not set link\n"); @@ -2556,21 +2577,10 @@ bnx2x_link_update(&bp->link_params, &bp->link_vars); + bnx2x_init_dropless_fc(bp); + if (bp->link_vars.link_up) { - /* dropless flow control */ - if (!CHIP_IS_E1(bp) && bp->dropless_fc) { - int port = BP_PORT(bp); - u32 pause_enabled = 0; - - if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) - pause_enabled = 1; - - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_ETH_PAUSE_ENABLED_OFFSET(port), - pause_enabled); - } - if (bp->link_vars.mac_type != MAC_TYPE_EMAC) { struct host_port_stats *pstats; @@ -9645,6 +9655,12 @@ &bp->sp_rtnl_state)) bnx2x_pf_set_vfs_vlan(bp); + if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) + bnx2x_dcbx_stop_hw_tx(bp); + + if (test_and_clear_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state)) + bnx2x_dcbx_resume_hw_tx(bp); + /* work which needs rtnl lock not-taken (as it takes the lock itself and * can be called from other contexts as well) */ @@ -11147,6 +11163,9 @@ int tmp; u32 cfg; + if (IS_VF(bp)) + return 0; + if (IS_MF(bp) && !CHIP_IS_E1x(bp)) { /* Take function: tmp = func */ tmp = BP_ABS_FUNC(bp);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 44104fb..ad83f4b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1747,11 +1747,8 @@ void bnx2x_iov_init_dmae(struct bnx2x *bp) { - DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF"); - if (!IS_SRIOV(bp)) - return; - - REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); + if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV)) + REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); } static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) @@ -3084,8 +3081,9 @@ pci_disable_sriov(bp->pdev); } -static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx, - struct bnx2x_virtf *vf) +static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx, + struct bnx2x_virtf **vf, + struct pf_vf_bulletin_content **bulletin) { if (bp->state != BNX2X_STATE_OPEN) { BNX2X_ERR("vf ndo called though PF is down\n"); @@ -3103,12 +3101,22 @@ return -EINVAL; } - if (!vf) { + /* init members */ + *vf = BP_VF(bp, vfidx); + *bulletin = BP_VF_BULLETIN(bp, vfidx); + + if (!*vf) { BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n", vfidx); return -EINVAL; } + if (!*bulletin) { + BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n", + vfidx); + return -EINVAL; + } + return 0; } @@ -3116,17 +3124,19 @@ struct ifla_vf_info *ivi) { struct bnx2x *bp = netdev_priv(dev); - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); - struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; + struct bnx2x_vlan_mac_obj *mac_obj; + struct bnx2x_vlan_mac_obj *vlan_obj; int rc; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc; - if (!mac_obj || !vlan_obj || !bulletin) { + mac_obj = &bnx2x_vfq(vf, 0, mac_obj); + vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); + if (!mac_obj || !vlan_obj) { BNX2X_ERR("VF partially initialized\n"); return -EINVAL; } @@ -3183,11 +3193,11 @@ { struct bnx2x *bp = netdev_priv(dev); int rc, q_logical_state; - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc; if (!is_valid_ether_addr(mac)) { @@ -3249,11 +3259,11 @@ { struct bnx2x *bp = netdev_priv(dev); int rc, q_logical_state; - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 181edb5..4559c35 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -2563,8 +2563,8 @@ /* Wait for all pending tx completions to arrive so that * all tx skbs are freed. */ - be_tx_compl_clean(adapter); netif_tx_disable(netdev); + be_tx_compl_clean(adapter); be_rx_qs_destroy(adapter);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index b5eb419..85e5c97 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7088,7 +7088,7 @@ RTL_W8(Cfg9346, Cfg9346_Unlock); RTL_W8(Config1, RTL_R8(Config1) | PMEnable); - RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); + RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus)); if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0) tp->features |= RTL_FEATURE_WOL; if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
diff --git a/drivers/net/ethernet/sfc/filter.c b/drivers/net/ethernet/sfc/filter.c index 2a469b2..30d7442 100644 --- a/drivers/net/ethernet/sfc/filter.c +++ b/drivers/net/ethernet/sfc/filter.c
@@ -675,7 +675,7 @@ BUILD_BUG_ON(EFX_FILTER_INDEX_UC_DEF != 0); BUILD_BUG_ON(EFX_FILTER_INDEX_MC_DEF != EFX_FILTER_MC_DEF - EFX_FILTER_UC_DEF); - rep_index = spec->type - EFX_FILTER_INDEX_UC_DEF; + rep_index = spec->type - EFX_FILTER_UC_DEF; ins_index = rep_index; spin_lock_bh(&state->lock);
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 51f2bc3..2dcc60f 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c
@@ -210,8 +210,7 @@ pci_write_config_byte(pcidev,0x42,(bTmp | 0xf0)); pci_write_config_byte(pcidev,0x5a,0xc0); WriteLPCReg(0x28, 0x70 ); - if (via_ircc_open(pcidev, &info, 0x3076) == 0) - rc=0; + rc = via_ircc_open(pcidev, &info, 0x3076); } else rc = -ENODEV; //IR not turn on } else { //Not VT1211 @@ -249,8 +248,7 @@ info.irq=FirIRQ; info.dma=FirDRQ1; info.dma2=FirDRQ0; - if (via_ircc_open(pcidev, &info, 0x3096) == 0) - rc=0; + rc = via_ircc_open(pcidev, &info, 0x3096); } else rc = -ENODEV; //IR not turn on !!!!! }//Not VT1211
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index b51db2a..ea53abb 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c
@@ -68,6 +68,8 @@ #define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \ NETIF_F_TSO6 | NETIF_F_UFO) #define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO) +#define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG) + /* * RCU usage: * The macvtap_queue and the macvlan_dev are loosely coupled, the @@ -278,7 +280,8 @@ { struct macvlan_dev *vlan = netdev_priv(dev); struct macvtap_queue *q = macvtap_get_queue(dev, skb); - netdev_features_t features; + netdev_features_t features = TAP_FEATURES; + if (!q) goto drop; @@ -287,9 +290,11 @@ skb->dev = dev; /* Apply the forward feature mask so that we perform segmentation - * according to users wishes. + * according to users wishes. This only works if VNET_HDR is + * enabled. */ - features = netif_skb_features(skb) & vlan->tap_features; + if (q->flags & IFF_VNET_HDR) + features |= vlan->tap_features; if (netif_needs_gso(skb, features)) { struct sk_buff *segs = __skb_gso_segment(skb, features, false); @@ -1064,8 +1069,7 @@ /* tap_features are the same as features on tun/tap and * reflect user expectations. */ - vlan->tap_features = vlan->dev->features & - (feature_mask | ~TUN_OFFLOADS); + vlan->tap_features = feature_mask; vlan->set_features = features; netdev_update_features(vlan->dev); @@ -1161,10 +1165,6 @@ TUN_F_TSO_ECN | TUN_F_UFO)) return -EINVAL; - /* TODO: only accept frames with the features that - got enabled for forwarded frames */ - if (!(q->flags & IFF_VNET_HDR)) - return -EINVAL; rtnl_lock(); ret = set_offload(q, arg); rtnl_unlock();
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 8e7af83..138de83 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c
@@ -23,7 +23,7 @@ #define RTL821x_INER_INIT 0x6400 #define RTL821x_INSR 0x13 -#define RTL8211E_INER_LINK_STAT 0x10 +#define RTL8211E_INER_LINK_STATUS 0x400 MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); @@ -57,7 +57,7 @@ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, RTL821x_INER, - RTL8211E_INER_LINK_STAT); + RTL8211E_INER_LINK_STATUS); else err = phy_write(phydev, RTL821x_INER, 0);
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index cba1d46..86292e6 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c
@@ -2816,13 +2816,16 @@ static int hso_get_config_data(struct usb_interface *interface) { struct usb_device *usbdev = interface_to_usbdev(interface); - u8 config_data[17]; + u8 *config_data = kmalloc(17, GFP_KERNEL); u32 if_num = interface->altsetting->desc.bInterfaceNumber; s32 result; + if (!config_data) + return -ENOMEM; if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x86, 0xC0, 0, 0, config_data, 17, USB_CTRL_SET_TIMEOUT) != 0x11) { + kfree(config_data); return -EIO; } @@ -2873,6 +2876,7 @@ if (config_data[16] & 0x1) result |= HSO_INFO_CRC_BUG; + kfree(config_data); return result; } @@ -2886,6 +2890,11 @@ struct hso_shared_int *shared_int; struct hso_device *tmp_dev = NULL; + if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { + dev_err(&interface->dev, "Not our interface\n"); + return -ENODEV; + } + if_num = interface->altsetting->desc.bInterfaceNumber; /* Get the interface/port specification from either driver_info or from @@ -2895,10 +2904,6 @@ else port_spec = hso_get_config_data(interface); - if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { - dev_err(&interface->dev, "Not our interface\n"); - return -ENODEV; - } /* Check if we need to switch to alt interfaces prior to port * configuration */ if (interface->num_altsetting > 1)
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index ac07473..e509030 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -523,9 +523,9 @@ data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1); - memcpy(extra, &addr, sizeof(struct sockaddr) * data->length); + memcpy(extra, addr, sizeof(struct sockaddr) * data->length); data->flags = 1; /* has quality information */ - memcpy(extra + sizeof(struct sockaddr) * data->length, &qual, + memcpy(extra + sizeof(struct sockaddr) * data->length, qual, sizeof(struct iw_quality) * data->length); kfree(addr);
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index 822f1a0..3193872 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -1068,7 +1068,10 @@ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + if (!test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + return; + + if (ctx->vif) ieee80211_chswitch_done(ctx->vif, is_success); }
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index a70c7b9..ff8cc75 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -97,8 +97,6 @@ #define APMG_PCIDEV_STT_VAL_L1_ACT_DIS (0x00000800) -#define APMG_RTC_INT_STT_RFKILL (0x10000000) - /* Device system time */ #define DEVICE_SYSTEM_TIME_REG 0xA0206C
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index ad9bbca..7fd6fbf 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -138,6 +138,20 @@ schedule_work(&mvm->roc_done_wk); } +static bool iwl_mvm_te_check_disconnect(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + const char *errmsg) +{ + if (vif->type != NL80211_IFTYPE_STATION) + return false; + if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) + return false; + if (errmsg) + IWL_ERR(mvm, "%s\n", errmsg); + ieee80211_connection_loss(vif); + return true; +} + /* * Handles a FW notification for an event that is known to the driver. * @@ -163,8 +177,13 @@ * P2P Device discoveribility, while there are other higher priority * events in the system). */ - WARN_ONCE(!le32_to_cpu(notif->status), - "Failed to schedule time event\n"); + if (WARN_ONCE(!le32_to_cpu(notif->status), + "Failed to schedule time event\n")) { + if (iwl_mvm_te_check_disconnect(mvm, te_data->vif, NULL)) { + iwl_mvm_te_clear_data(mvm, te_data); + return; + } + } if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_END) { IWL_DEBUG_TE(mvm, @@ -180,14 +199,8 @@ * By now, we should have finished association * and know the dtim period. */ - if (te_data->vif->type == NL80211_IFTYPE_STATION && - (!te_data->vif->bss_conf.assoc || - !te_data->vif->bss_conf.dtim_period)) { - IWL_ERR(mvm, - "No assocation and the time event is over already...\n"); - ieee80211_connection_loss(te_data->vif); - } - + iwl_mvm_te_check_disconnect(mvm, te_data->vif, + "No assocation and the time event is over already..."); iwl_mvm_te_clear_data(mvm, te_data); } else if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_START) { te_data->running = true;
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index f600e68..fd848cd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -888,14 +888,6 @@ iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); if (hw_rfkill) { - /* - * Clear the interrupt in APMG if the NIC is going down. - * Note that when the NIC exits RFkill (else branch), we - * can't access prph and the NIC will be reset in - * start_hw anyway. - */ - iwl_write_prph(trans, APMG_RTC_INT_STT_REG, - APMG_RTC_INT_STT_RFKILL); set_bit(STATUS_RFKILL, &trans_pcie->status); if (test_and_clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status))
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 96cfcdd..390e2f0 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1502,16 +1502,16 @@ spin_lock_init(&trans_pcie->reg_lock); init_waitqueue_head(&trans_pcie->ucode_write_waitq); - /* W/A - seems to solve weird behavior. We need to remove this if we - * don't want to stay in L1 all the time. This wastes a lot of power */ - pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | - PCIE_LINK_STATE_CLKPM); - if (pci_enable_device(pdev)) { err = -ENODEV; goto out_no_pci; } + /* W/A - seems to solve weird behavior. We need to remove this if we + * don't want to stay in L1 all the time. This wastes a lot of power */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | + PCIE_LINK_STATE_CLKPM); + pci_set_master(pdev); err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36));
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 4941f20..b8ba1f9 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c
@@ -98,10 +98,12 @@ goto exit; err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, - USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); + USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT); if (err < 0) goto exit; + memcpy(&ret, buf, sizeof(ret)); + if (ret & 0x80) { err = -EIO; goto exit;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 6bb7cf2..b10ba00 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c
@@ -392,6 +392,8 @@ mem = (unsigned long) dt_alloc(size + 4, __alignof__(struct device_node)); + memset((void *)mem, 0, size); + ((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef); pr_debug(" unflattening %lx...\n", mem);
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index c47fd1e..94716c7 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -278,6 +278,7 @@ { struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct sunxi_pinctrl_group *g = &pctl->groups[group]; + unsigned long flags; u32 val, mask; u16 strength; u8 dlevel; @@ -295,22 +296,35 @@ * 3: 40mA */ dlevel = strength / 10 - 1; + + spin_lock_irqsave(&pctl->lock, flags); + val = readl(pctl->membase + sunxi_dlevel_reg(g->pin)); mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(g->pin); writel((val & ~mask) | dlevel << sunxi_dlevel_offset(g->pin), pctl->membase + sunxi_dlevel_reg(g->pin)); + + spin_unlock_irqrestore(&pctl->lock, flags); break; case PIN_CONFIG_BIAS_PULL_UP: + spin_lock_irqsave(&pctl->lock, flags); + val = readl(pctl->membase + sunxi_pull_reg(g->pin)); mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); writel((val & ~mask) | 1 << sunxi_pull_offset(g->pin), pctl->membase + sunxi_pull_reg(g->pin)); + + spin_unlock_irqrestore(&pctl->lock, flags); break; case PIN_CONFIG_BIAS_PULL_DOWN: + spin_lock_irqsave(&pctl->lock, flags); + val = readl(pctl->membase + sunxi_pull_reg(g->pin)); mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin); writel((val & ~mask) | 2 << sunxi_pull_offset(g->pin), pctl->membase + sunxi_pull_reg(g->pin)); + + spin_unlock_irqrestore(&pctl->lock, flags); break; default: break; @@ -360,11 +374,17 @@ u8 config) { struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); + unsigned long flags; + u32 val, mask; - u32 val = readl(pctl->membase + sunxi_mux_reg(pin)); - u32 mask = MUX_PINS_MASK << sunxi_mux_offset(pin); + spin_lock_irqsave(&pctl->lock, flags); + + val = readl(pctl->membase + sunxi_mux_reg(pin)); + mask = MUX_PINS_MASK << sunxi_mux_offset(pin); writel((val & ~mask) | config << sunxi_mux_offset(pin), pctl->membase + sunxi_mux_reg(pin)); + + spin_unlock_irqrestore(&pctl->lock, flags); } static int sunxi_pmx_enable(struct pinctrl_dev *pctldev, @@ -464,8 +484,21 @@ struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev); u32 reg = sunxi_data_reg(offset); u8 index = sunxi_data_offset(offset); + unsigned long flags; + u32 regval; - writel((value & DATA_PINS_MASK) << index, pctl->membase + reg); + spin_lock_irqsave(&pctl->lock, flags); + + regval = readl(pctl->membase + reg); + + if (value) + regval |= BIT(index); + else + regval &= ~(BIT(index)); + + writel(regval, pctl->membase + reg); + + spin_unlock_irqrestore(&pctl->lock, flags); } static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc, @@ -526,6 +559,8 @@ struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); u32 reg = sunxi_irq_cfg_reg(d->hwirq); u8 index = sunxi_irq_cfg_offset(d->hwirq); + unsigned long flags; + u32 regval; u8 mode; switch (type) { @@ -548,7 +583,13 @@ return -EINVAL; } - writel((mode & IRQ_CFG_IRQ_MASK) << index, pctl->membase + reg); + spin_lock_irqsave(&pctl->lock, flags); + + regval = readl(pctl->membase + reg); + regval &= ~IRQ_CFG_IRQ_MASK; + writel(regval | (mode << index), pctl->membase + reg); + + spin_unlock_irqrestore(&pctl->lock, flags); return 0; } @@ -560,14 +601,19 @@ u8 ctrl_idx = sunxi_irq_ctrl_offset(d->hwirq); u32 status_reg = sunxi_irq_status_reg(d->hwirq); u8 status_idx = sunxi_irq_status_offset(d->hwirq); + unsigned long flags; u32 val; + spin_lock_irqsave(&pctl->lock, flags); + /* Mask the IRQ */ val = readl(pctl->membase + ctrl_reg); writel(val & ~(1 << ctrl_idx), pctl->membase + ctrl_reg); /* Clear the IRQ */ writel(1 << status_idx, pctl->membase + status_reg); + + spin_unlock_irqrestore(&pctl->lock, flags); } static void sunxi_pinctrl_irq_mask(struct irq_data *d) @@ -575,11 +621,16 @@ struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); u32 reg = sunxi_irq_ctrl_reg(d->hwirq); u8 idx = sunxi_irq_ctrl_offset(d->hwirq); + unsigned long flags; u32 val; + spin_lock_irqsave(&pctl->lock, flags); + /* Mask the IRQ */ val = readl(pctl->membase + reg); writel(val & ~(1 << idx), pctl->membase + reg); + + spin_unlock_irqrestore(&pctl->lock, flags); } static void sunxi_pinctrl_irq_unmask(struct irq_data *d) @@ -588,6 +639,7 @@ struct sunxi_desc_function *func; u32 reg = sunxi_irq_ctrl_reg(d->hwirq); u8 idx = sunxi_irq_ctrl_offset(d->hwirq); + unsigned long flags; u32 val; func = sunxi_pinctrl_desc_find_function_by_pin(pctl, @@ -597,9 +649,13 @@ /* Change muxing to INT mode */ sunxi_pmx_set(pctl->pctl_dev, pctl->irq_array[d->hwirq], func->muxval); + spin_lock_irqsave(&pctl->lock, flags); + /* Unmask the IRQ */ val = readl(pctl->membase + reg); writel(val | (1 << idx), pctl->membase + reg); + + spin_unlock_irqrestore(&pctl->lock, flags); } static struct irq_chip sunxi_pinctrl_irq_chip = { @@ -752,6 +808,8 @@ return -ENOMEM; platform_set_drvdata(pdev, pctl); + spin_lock_init(&pctl->lock); + pctl->membase = of_iomap(node, 0); if (!pctl->membase) return -ENOMEM;
diff --git a/drivers/pinctrl/pinctrl-sunxi.h b/drivers/pinctrl/pinctrl-sunxi.h index d68047d..01c494f 100644 --- a/drivers/pinctrl/pinctrl-sunxi.h +++ b/drivers/pinctrl/pinctrl-sunxi.h
@@ -14,6 +14,7 @@ #define __PINCTRL_SUNXI_H #include <linux/kernel.h> +#include <linux/spinlock.h> #define PA_BASE 0 #define PB_BASE 32 @@ -407,6 +408,7 @@ unsigned ngroups; int irq; int irq_array[SUNXI_IRQ_NUMBER]; + spinlock_t lock; struct pinctrl_dev *pctl_dev; };
diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c index 0f9f859..f911952 100644 --- a/drivers/platform/olpc/olpc-ec.c +++ b/drivers/platform/olpc/olpc-ec.c
@@ -330,7 +330,7 @@ return platform_driver_register(&olpc_ec_plat_driver); } -module_init(olpc_ec_init_module); +arch_initcall(olpc_ec_init_module); MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>"); MODULE_LICENSE("GPL");
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 97bb05e..d6970f4 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c
@@ -53,7 +53,6 @@ #define HPWMI_ALS_QUERY 0x3 #define HPWMI_HARDWARE_QUERY 0x4 #define HPWMI_WIRELESS_QUERY 0x5 -#define HPWMI_BIOS_QUERY 0x9 #define HPWMI_HOTKEY_QUERY 0xc #define HPWMI_WIRELESS2_QUERY 0x1b #define HPWMI_POSTCODEERROR_QUERY 0x2a @@ -293,19 +292,6 @@ return (state & 0x4) ? 1 : 0; } -static int hp_wmi_enable_hotkeys(void) -{ - int ret; - int query = 0x6e; - - ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query), - 0); - - if (ret) - return -EINVAL; - return 0; -} - static int hp_wmi_set_block(void *data, bool blocked) { enum hp_wmi_radio r = (enum hp_wmi_radio) data; @@ -1009,8 +995,6 @@ err = hp_wmi_input_setup(); if (err) return err; - - hp_wmi_enable_hotkeys(); } if (bios_capable) {
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 2ac045f..3a1b6bf 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c
@@ -2440,7 +2440,10 @@ if (pos < 0) return pos; - return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina"); + return snprintf(buffer, PAGE_SIZE, "%s\n", + pos == SPEED ? "speed" : + pos == STAMINA ? "stamina" : + pos == AUTO ? "auto" : "unknown"); } static int sony_nc_gfx_switch_setup(struct platform_device *pd, @@ -4320,7 +4323,8 @@ goto err_free_resources; } - if (sonypi_compat_init()) + result = sonypi_compat_init(); + if (result) goto err_remove_input; /* request io port */
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c new file mode 100644 index 0000000..3459f60 --- /dev/null +++ b/drivers/regulator/88pm800.c
@@ -0,0 +1,383 @@ +/* + * Regulators driver for Marvell 88PM800 + * + * Copyright (C) 2012 Marvell International Ltd. + * Joseph(Yossi) Hanin <yhanin@marvell.com> + * Yi Zhang <yizhang@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/88pm80x.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/regulator/of_regulator.h> + +/* LDO1 with DVC[0..3] */ +#define PM800_LDO1_VOUT (0x08) /* VOUT1 */ +#define PM800_LDO1_VOUT_2 (0x09) +#define PM800_LDO1_VOUT_3 (0x0A) +#define PM800_LDO2_VOUT (0x0B) +#define PM800_LDO3_VOUT (0x0C) +#define PM800_LDO4_VOUT (0x0D) +#define PM800_LDO5_VOUT (0x0E) +#define PM800_LDO6_VOUT (0x0F) +#define PM800_LDO7_VOUT (0x10) +#define PM800_LDO8_VOUT (0x11) +#define PM800_LDO9_VOUT (0x12) +#define PM800_LDO10_VOUT (0x13) +#define PM800_LDO11_VOUT (0x14) +#define PM800_LDO12_VOUT (0x15) +#define PM800_LDO13_VOUT (0x16) +#define PM800_LDO14_VOUT (0x17) +#define PM800_LDO15_VOUT (0x18) +#define PM800_LDO16_VOUT (0x19) +#define PM800_LDO17_VOUT (0x1A) +#define PM800_LDO18_VOUT (0x1B) +#define PM800_LDO19_VOUT (0x1C) + +/* BUCK1 with DVC[0..3] */ +#define PM800_BUCK1 (0x3C) +#define PM800_BUCK1_1 (0x3D) +#define PM800_BUCK1_2 (0x3E) +#define PM800_BUCK1_3 (0x3F) +#define PM800_BUCK2 (0x40) +#define PM800_BUCK3 (0x41) +#define PM800_BUCK3 (0x41) +#define PM800_BUCK4 (0x42) +#define PM800_BUCK4_1 (0x43) +#define PM800_BUCK4_2 (0x44) +#define PM800_BUCK4_3 (0x45) +#define PM800_BUCK5 (0x46) + +#define PM800_BUCK_ENA (0x50) +#define PM800_LDO_ENA1_1 (0x51) +#define PM800_LDO_ENA1_2 (0x52) +#define PM800_LDO_ENA1_3 (0x53) + +#define PM800_LDO_ENA2_1 (0x56) +#define PM800_LDO_ENA2_2 (0x57) +#define PM800_LDO_ENA2_3 (0x58) + +#define PM800_BUCK1_MISC1 (0x78) +#define PM800_BUCK3_MISC1 (0x7E) +#define PM800_BUCK4_MISC1 (0x81) +#define PM800_BUCK5_MISC1 (0x84) + +struct pm800_regulator_info { + struct regulator_desc desc; + int max_ua; +}; + +struct pm800_regulators { + struct regulator_dev *regulators[PM800_ID_RG_MAX]; + struct pm80x_chip *chip; + struct regmap *map; +}; + +/* + * vreg - the buck regs string. + * ereg - the string for the enable register. + * ebit - the bit number in the enable register. + * amax - the current + * Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges, + * not the constant voltage table. + * n_volt - Number of available selectors + */ +#define PM800_BUCK(vreg, ereg, ebit, amax, volt_ranges, n_volt) \ +{ \ + .desc = { \ + .name = #vreg, \ + .ops = &pm800_volt_range_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM800_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = n_volt, \ + .linear_ranges = volt_ranges, \ + .n_linear_ranges = ARRAY_SIZE(volt_ranges), \ + .vsel_reg = PM800_##vreg, \ + .vsel_mask = 0x7f, \ + .enable_reg = PM800_##ereg, \ + .enable_mask = 1 << (ebit), \ + }, \ + .max_ua = (amax), \ +} + +/* + * vreg - the LDO regs string + * ereg - the string for the enable register. + * ebit - the bit number in the enable register. + * amax - the current + * volt_table - the LDO voltage table + * For all the LDOes, there are too many ranges. Using volt_table will be + * simpler and faster. + */ +#define PM800_LDO(vreg, ereg, ebit, amax, ldo_volt_table) \ +{ \ + .desc = { \ + .name = #vreg, \ + .ops = &pm800_volt_table_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PM800_ID_##vreg, \ + .owner = THIS_MODULE, \ + .n_voltages = ARRAY_SIZE(ldo_volt_table), \ + .vsel_reg = PM800_##vreg##_VOUT, \ + .vsel_mask = 0x1f, \ + .enable_reg = PM800_##ereg, \ + .enable_mask = 1 << (ebit), \ + .volt_table = ldo_volt_table, \ + }, \ + .max_ua = (amax), \ +} + +/* Ranges are sorted in ascending order. */ +static const struct regulator_linear_range buck1_volt_range[] = { + { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, + .uV_step = 12500 }, + { .min_uV = 1600000, .max_uV = 1800000, .min_sel = 0x50, + .max_sel = 0x54, .uV_step = 50000 }, +}; + +/* BUCK 2~5 have same ranges. */ +static const struct regulator_linear_range buck2_5_volt_range[] = { + { .min_uV = 600000, .max_uV = 1587500, .min_sel = 0, .max_sel = 0x4f, + .uV_step = 12500 }, + { .min_uV = 1600000, .max_uV = 3300000, .min_sel = 0x50, + .max_sel = 0x72, .uV_step = 50000 }, +}; + +static const unsigned int ldo1_volt_table[] = { + 600000, 650000, 700000, 750000, 800000, 850000, 900000, 950000, + 1000000, 1050000, 1100000, 1150000, 1200000, 1300000, 1400000, 1500000, +}; + +static const unsigned int ldo2_volt_table[] = { + 1700000, 1800000, 1900000, 2000000, 2100000, 2500000, 2700000, 2800000, +}; + +/* LDO 3~17 have same voltage table. */ +static const unsigned int ldo3_17_volt_table[] = { + 1200000, 1250000, 1700000, 1800000, 1850000, 1900000, 2500000, 2600000, + 2700000, 2750000, 2800000, 2850000, 2900000, 3000000, 3100000, 3300000, +}; + +/* LDO 18~19 have same voltage table. */ +static const unsigned int ldo18_19_volt_table[] = { + 1700000, 1800000, 1900000, 2500000, 2800000, 2900000, 3100000, 3300000, +}; + +static int pm800_get_current_limit(struct regulator_dev *rdev) +{ + struct pm800_regulator_info *info = rdev_get_drvdata(rdev); + + return info->max_ua; +} + +static struct regulator_ops pm800_volt_range_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_current_limit = pm800_get_current_limit, +}; + +static struct regulator_ops pm800_volt_table_ops = { + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_iterate, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_current_limit = pm800_get_current_limit, +}; + +/* The array is indexed by id(PM800_ID_XXX) */ +static struct pm800_regulator_info pm800_regulator_info[] = { + PM800_BUCK(BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55), + PM800_BUCK(BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73), + PM800_BUCK(BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73), + PM800_BUCK(BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73), + PM800_BUCK(BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73), + + PM800_LDO(LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table), + PM800_LDO(LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table), + PM800_LDO(LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table), + PM800_LDO(LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table), + PM800_LDO(LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table), + PM800_LDO(LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table), + PM800_LDO(LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table), + PM800_LDO(LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table), + PM800_LDO(LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table), + PM800_LDO(LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table), + PM800_LDO(LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table), + PM800_LDO(LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table), + PM800_LDO(LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table), + PM800_LDO(LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table), + PM800_LDO(LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table), + PM800_LDO(LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table), + PM800_LDO(LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table), + PM800_LDO(LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table), + PM800_LDO(LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table), +}; + +#define PM800_REGULATOR_OF_MATCH(_name, _id) \ + [PM800_ID_##_id] = { \ + .name = #_name, \ + .driver_data = &pm800_regulator_info[PM800_ID_##_id], \ + } + +static struct of_regulator_match pm800_regulator_matches[] = { + PM800_REGULATOR_OF_MATCH(buck1, BUCK1), + PM800_REGULATOR_OF_MATCH(buck2, BUCK2), + PM800_REGULATOR_OF_MATCH(buck3, BUCK3), + PM800_REGULATOR_OF_MATCH(buck4, BUCK4), + PM800_REGULATOR_OF_MATCH(buck5, BUCK5), + PM800_REGULATOR_OF_MATCH(ldo1, LDO1), + PM800_REGULATOR_OF_MATCH(ldo2, LDO2), + PM800_REGULATOR_OF_MATCH(ldo3, LDO3), + PM800_REGULATOR_OF_MATCH(ldo4, LDO4), + PM800_REGULATOR_OF_MATCH(ldo5, LDO5), + PM800_REGULATOR_OF_MATCH(ldo6, LDO6), + PM800_REGULATOR_OF_MATCH(ldo7, LDO7), + PM800_REGULATOR_OF_MATCH(ldo8, LDO8), + PM800_REGULATOR_OF_MATCH(ldo9, LDO9), + PM800_REGULATOR_OF_MATCH(ldo10, LDO10), + PM800_REGULATOR_OF_MATCH(ldo11, LDO11), + PM800_REGULATOR_OF_MATCH(ldo12, LDO12), + PM800_REGULATOR_OF_MATCH(ldo13, LDO13), + PM800_REGULATOR_OF_MATCH(ldo14, LDO14), + PM800_REGULATOR_OF_MATCH(ldo15, LDO15), + PM800_REGULATOR_OF_MATCH(ldo16, LDO16), + PM800_REGULATOR_OF_MATCH(ldo17, LDO17), + PM800_REGULATOR_OF_MATCH(ldo18, LDO18), + PM800_REGULATOR_OF_MATCH(ldo19, LDO19), +}; + +static int pm800_regulator_dt_init(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + + ret = of_regulator_match(&pdev->dev, np, + pm800_regulator_matches, + ARRAY_SIZE(pm800_regulator_matches)); + if (ret < 0) + return ret; + + return 0; +} + +static int pm800_regulator_probe(struct platform_device *pdev) +{ + struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent); + struct pm800_regulators *pm800_data; + struct pm800_regulator_info *info; + struct regulator_config config = { }; + struct regulator_init_data *init_data; + int i, ret; + + if (!pdata || pdata->num_regulators == 0) { + if (IS_ENABLED(CONFIG_OF)) { + ret = pm800_regulator_dt_init(pdev); + if (ret) + return ret; + } else { + return -ENODEV; + } + } else if (pdata->num_regulators) { + unsigned int count = 0; + + /* Check whether num_regulator is valid. */ + for (i = 0; i < ARRAY_SIZE(pdata->regulators); i++) { + if (pdata->regulators[i]) + count++; + } + if (count != pdata->num_regulators) + return -EINVAL; + } else { + return -EINVAL; + } + + pm800_data = devm_kzalloc(&pdev->dev, sizeof(*pm800_data), + GFP_KERNEL); + if (!pm800_data) { + dev_err(&pdev->dev, "Failed to allocate pm800_regualtors"); + return -ENOMEM; + } + + pm800_data->map = chip->subchip->regmap_power; + pm800_data->chip = chip; + + platform_set_drvdata(pdev, pm800_data); + + for (i = 0; i < PM800_ID_RG_MAX; i++) { + if (!pdata || pdata->num_regulators == 0) + init_data = pm800_regulator_matches[i].init_data; + else + init_data = pdata->regulators[i]; + if (!init_data) + continue; + info = pm800_regulator_matches[i].driver_data; + config.dev = &pdev->dev; + config.init_data = init_data; + config.driver_data = info; + config.regmap = pm800_data->map; + config.of_node = pm800_regulator_matches[i].of_node; + + pm800_data->regulators[i] = + regulator_register(&info->desc, &config); + if (IS_ERR(pm800_data->regulators[i])) { + ret = PTR_ERR(pm800_data->regulators[i]); + dev_err(&pdev->dev, "Failed to register %s\n", + info->desc.name); + + while (--i >= 0) + regulator_unregister(pm800_data->regulators[i]); + + return ret; + } + } + + return 0; +} + +static int pm800_regulator_remove(struct platform_device *pdev) +{ + struct pm800_regulators *pm800_data = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < PM800_ID_RG_MAX; i++) + regulator_unregister(pm800_data->regulators[i]); + + return 0; +} + +static struct platform_driver pm800_regulator_driver = { + .driver = { + .name = "88pm80x-regulator", + .owner = THIS_MODULE, + }, + .probe = pm800_regulator_probe, + .remove = pm800_regulator_remove, +}; + +module_platform_driver(pm800_regulator_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Joseph(Yossi) Hanin <yhanin@marvell.com>"); +MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM800 PMIC"); +MODULE_ALIAS("platform:88pm800-regulator");
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 8a7cb1f..7023097 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c
@@ -346,7 +346,7 @@ { struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); struct pm8607_regulator_info *info = NULL; - struct regulator_init_data *pdata = pdev->dev.platform_data; + struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); struct regulator_config config = { }; struct resource *res; int i;
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index f1e6ad9..dfe5809 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig
@@ -64,15 +64,21 @@ If unsure, say no. -config REGULATOR_GPIO - tristate "GPIO regulator support" - depends on GPIOLIB +config REGULATOR_88PM800 + tristate "Marvell 88PM800 Power regulators" + depends on MFD_88PM800 help - This driver provides support for regulators that can be - controlled via gpios. - It is capable of supporting current and voltage regulators - and the platform has to provide a mapping of GPIO-states - to target volts/amps. + This driver supports Marvell 88PM800 voltage regulator chips. + It delivers digitally programmable output, + the voltage is programmed via I2C interface. + It's suitable to support PXA988 chips to control VCC_MAIN and + various voltages. + +config REGULATOR_88PM8607 + tristate "Marvell 88PM8607 Power regulators" + depends on MFD_88PM860X=y + help + This driver supports 88PM8607 voltage regulator chips. config REGULATOR_AD5398 tristate "Analog Devices AD5398/AD5821 regulators" @@ -81,6 +87,14 @@ This driver supports AD5398 and AD5821 current regulator chips. If building into module, its name is ad5398.ko. +config REGULATOR_ANATOP + tristate "Freescale i.MX on-chip ANATOP LDO regulators" + depends on MFD_SYSCON + help + Say y here to support Freescale i.MX on-chip ANATOP LDOs + regulators. It is recommended that this option be + enabled on i.MX6 platform. + config REGULATOR_AAT2870 tristate "AnalogicTech AAT2870 Regulators" depends on MFD_AAT2870_CORE @@ -88,6 +102,22 @@ If you have a AnalogicTech AAT2870 say Y to enable the regulator driver. +config REGULATOR_AB3100 + tristate "ST-Ericsson AB3100 Regulator functions" + depends on AB3100_CORE + default y if AB3100_CORE + help + These regulators correspond to functionality in the + AB3100 analog baseband dealing with power regulators + for the system. + +config REGULATOR_AB8500 + bool "ST-Ericsson AB8500 Power Regulators" + depends on AB8500_CORE + help + This driver supports the regulators found on the ST-Ericsson mixed + signal AB8500 PMIC + config REGULATOR_ARIZONA tristate "Wolfson Arizona class devices" depends on MFD_ARIZONA @@ -96,6 +126,13 @@ Support for the regulators found on Wolfson Arizona class devices. +config REGULATOR_AS3711 + tristate "AS3711 PMIC" + depends on MFD_AS3711 + help + This driver provides support for the voltage regulators on the + AS3711 PMIC + config REGULATOR_DA903X tristate "Dialog Semiconductor DA9030/DA9034 regulators" depends on PMIC_DA903X @@ -120,6 +157,37 @@ This driver can also be built as a module. If so, the module will be called da9055-regulator. +config REGULATOR_DA9063 + tristate "Dialog Semiconductor DA9063 regulators" + depends on MFD_DA9063 + help + Say y here to support the BUCKs and LDOs regulators found on + DA9063 PMICs. + + This driver can also be built as a module. If so, the module + will be called da9063-regulator. + +config REGULATOR_DA9210 + tristate "Dialog Semiconductor DA9210 regulator" + depends on I2C + select REGMAP_I2C + help + Say y here to support for the Dialog Semiconductor DA9210. + The DA9210 is a multi-phase synchronous step down + converter 12A DC-DC Buck controlled through an I2C + interface. + +config REGULATOR_DBX500_PRCMU + bool + +config REGULATOR_DB8500_PRCMU + bool "ST-Ericsson DB8500 Voltage Domain Regulators" + depends on MFD_DB8500_PRCMU + select REGULATOR_DBX500_PRCMU + help + This driver supports the voltage domain regulators controlled by the + DB8500 PRCMU + config REGULATOR_FAN53555 tristate "Fairchild FAN53555 Regulator" depends on I2C @@ -131,32 +199,15 @@ input voltage supply of 2.5V to 5.5V. The output voltage is programmed through an I2C interface. -config REGULATOR_ANATOP - tristate "Freescale i.MX on-chip ANATOP LDO regulators" - depends on MFD_SYSCON +config REGULATOR_GPIO + tristate "GPIO regulator support" + depends on GPIOLIB help - Say y here to support Freescale i.MX on-chip ANATOP LDOs - regulators. It is recommended that this option be - enabled on i.MX6 platform. - -config REGULATOR_MC13XXX_CORE - tristate - -config REGULATOR_MC13783 - tristate "Freescale MC13783 regulator driver" - depends on MFD_MC13783 - select REGULATOR_MC13XXX_CORE - help - Say y here to support the regulators found on the Freescale MC13783 - PMIC. - -config REGULATOR_MC13892 - tristate "Freescale MC13892 regulator driver" - depends on MFD_MC13XXX - select REGULATOR_MC13XXX_CORE - help - Say y here to support the regulators found on the Freescale MC13892 - PMIC. + This driver provides support for regulators that can be + controlled via gpios. + It is capable of supporting current and voltage regulators + and the platform has to provide a mapping of GPIO-states + to target volts/amps. config REGULATOR_ISL6271A tristate "Intersil ISL6271A Power regulator" @@ -164,11 +215,41 @@ help This driver supports ISL6271A voltage regulator chip. -config REGULATOR_88PM8607 - bool "Marvell 88PM8607 Power regulators" - depends on MFD_88PM860X=y +config REGULATOR_LP3971 + tristate "National Semiconductors LP3971 PMIC regulator driver" + depends on I2C help - This driver supports 88PM8607 voltage regulator chips. + Say Y here to support the voltage regulators and convertors + on National Semiconductors LP3971 PMIC + +config REGULATOR_LP3972 + tristate "National Semiconductors LP3972 PMIC regulator driver" + depends on I2C + help + Say Y here to support the voltage regulators and convertors + on National Semiconductors LP3972 PMIC + +config REGULATOR_LP872X + tristate "TI/National Semiconductor LP8720/LP8725 voltage regulators" + depends on I2C + select REGMAP_I2C + help + This driver supports LP8720/LP8725 PMIC + +config REGULATOR_LP8755 + tristate "TI LP8755 High Performance PMU driver" + depends on I2C + select REGMAP_I2C + help + This driver supports LP8755 High Performance PMU driver. This + chip contains six step-down DC/DC converters which can support + 9 mode multiphase configuration. + +config REGULATOR_LP8788 + tristate "TI LP8788 Power Regulators" + depends on MFD_LP8788 + help + This driver supports LP8788 voltage regulator chip. config REGULATOR_MAX1586 tristate "Maxim 1586/1587 voltage regulator" @@ -259,6 +340,37 @@ and one current regulator 'CHARGER'. This is suitable for Exynos-4x12 chips. +config REGULATOR_MC13XXX_CORE + tristate + +config REGULATOR_MC13783 + tristate "Freescale MC13783 regulator driver" + depends on MFD_MC13783 + select REGULATOR_MC13XXX_CORE + help + Say y here to support the regulators found on the Freescale MC13783 + PMIC. + +config REGULATOR_MC13892 + tristate "Freescale MC13892 regulator driver" + depends on MFD_MC13XXX + select REGULATOR_MC13XXX_CORE + help + Say y here to support the regulators found on the Freescale MC13892 + PMIC. + +config REGULATOR_PALMAS + tristate "TI Palmas PMIC Regulators" + depends on MFD_PALMAS + help + If you wish to control the regulators on the Palmas series of + chips say Y here. This will enable support for all the software + controllable SMPS/LDO regulators. + + The regulators available on Palmas series chips vary depending + on the muxing. This is handled automatically in the driver by + reading the mux info from OTP. + config REGULATOR_PCAP tristate "Motorola PCAP2 regulator driver" depends on EZX_PCAP @@ -266,42 +378,6 @@ This driver provides support for the voltage regulators of the PCAP2 PMIC. -config REGULATOR_LP3971 - tristate "National Semiconductors LP3971 PMIC regulator driver" - depends on I2C - help - Say Y here to support the voltage regulators and convertors - on National Semiconductors LP3971 PMIC - -config REGULATOR_LP3972 - tristate "National Semiconductors LP3972 PMIC regulator driver" - depends on I2C - help - Say Y here to support the voltage regulators and convertors - on National Semiconductors LP3972 PMIC - -config REGULATOR_LP872X - bool "TI/National Semiconductor LP8720/LP8725 voltage regulators" - depends on I2C=y - select REGMAP_I2C - help - This driver supports LP8720/LP8725 PMIC - -config REGULATOR_LP8755 - tristate "TI LP8755 High Performance PMU driver" - depends on I2C - select REGMAP_I2C - help - This driver supports LP8755 High Performance PMU driver. This - chip contains six step-down DC/DC converters which can support - 9 mode multiphase configuration. - -config REGULATOR_LP8788 - bool "TI LP8788 Power Regulators" - depends on MFD_LP8788 - help - This driver supports LP8788 voltage regulator chip. - config REGULATOR_PCF50633 tristate "NXP PCF50633 regulator driver" depends on MFD_PCF50633 @@ -309,6 +385,14 @@ Say Y here to support the voltage regulators and convertors on PCF50633 +config REGULATOR_PFUZE100 + tristate "Support regulators on Freescale PFUZE100 PMIC" + depends on I2C + select REGMAP_I2C + help + Say y here to support the regulators found on the Freescale PFUZE100 + PMIC. + config REGULATOR_RC5T583 tristate "RICOH RC5T583 Power regulators" depends on MFD_RC5T583 @@ -335,44 +419,15 @@ via I2C bus. S5M8767A have 9 Bucks and 28 LDOs output and supports DVS mode with 8bits of output voltage control. -config REGULATOR_AB3100 - tristate "ST-Ericsson AB3100 Regulator functions" - depends on AB3100_CORE - default y if AB3100_CORE +config REGULATOR_TI_ABB + tristate "TI Adaptive Body Bias on-chip LDO" + depends on ARCH_OMAP help - These regulators correspond to functionality in the - AB3100 analog baseband dealing with power regulators - for the system. - -config REGULATOR_AB8500 - bool "ST-Ericsson AB8500 Power Regulators" - depends on AB8500_CORE - help - This driver supports the regulators found on the ST-Ericsson mixed - signal AB8500 PMIC - -config REGULATOR_DBX500_PRCMU - bool - -config REGULATOR_DB8500_PRCMU - bool "ST-Ericsson DB8500 Voltage Domain Regulators" - depends on MFD_DB8500_PRCMU - select REGULATOR_DBX500_PRCMU - help - This driver supports the voltage domain regulators controlled by the - DB8500 PRCMU - -config REGULATOR_PALMAS - tristate "TI Palmas PMIC Regulators" - depends on MFD_PALMAS - help - If you wish to control the regulators on the Palmas series of - chips say Y here. This will enable support for all the software - controllable SMPS/LDO regulators. - - The regulators available on Palmas series chips vary depending - on the muxing. This is handled automatically in the driver by - reading the mux info from OTP. + Select this option to support Texas Instruments' on-chip Adaptive Body + Bias (ABB) LDO regulators. It is recommended that this option be + enabled on required TI SoC. Certain Operating Performance Points + on TI SoCs may be unstable without enabling this as it provides + device specific optimized bias to allow/optimize functionality. config REGULATOR_TPS51632 tristate "TI TPS51632 Power Regulator" @@ -475,22 +530,12 @@ output to control regulators. config REGULATOR_TWL4030 - bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC" + tristate "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC" depends on TWL4030_CORE help This driver supports the voltage regulators provided by this family of companion chips. -config REGULATOR_TI_ABB - bool "TI Adaptive Body Bias on-chip LDO" - depends on ARCH_OMAP - help - Select this option to support Texas Instruments' on-chip Adaptive Body - Bias (ABB) LDO regulators. It is recommended that this option be - enabled on required TI SoC. Certain Operating Performance Points - on TI SoCs may be unstable without enabling this as it provides - device specific optimized bias to allow/optimize functionality. - config REGULATOR_VEXPRESS tristate "Versatile Express regulators" depends on VEXPRESS_CONFIG @@ -526,12 +571,5 @@ This driver provides support for the voltage regulators on the WM8994 CODEC. -config REGULATOR_AS3711 - tristate "AS3711 PMIC" - depends on MFD_AS3711 - help - This driver provides support for the voltage regulators on the - AS3711 PMIC - endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index ba4a3cf..185cce2 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile
@@ -3,12 +3,13 @@ # -obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o +obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o helpers.o obj-$(CONFIG_OF) += of_regulator.o obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o +obj-$(CONFIG_REGULATOR_88PM800) += 88pm800.o obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o @@ -20,6 +21,8 @@ obj-$(CONFIG_REGULATOR_DA903X) += da903x.o obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o +obj-$(CONFIG_REGULATOR_DA9063) += da9063-regulator.o +obj-$(CONFIG_REGULATOR_DA9210) += da9210-regulator.o obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o @@ -46,12 +49,14 @@ obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o +obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o obj-$(CONFIG_REGULATOR_RC5T583) += rc5t583-regulator.o obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o +obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o @@ -64,7 +69,6 @@ obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o -obj-$(CONFIG_REGULATOR_TI_ABB) += ti-abb-regulator.o obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 8b58763..881159d 100644 --- a/drivers/regulator/aat2870-regulator.c +++ b/drivers/regulator/aat2870-regulator.c
@@ -174,7 +174,7 @@ config.dev = &pdev->dev; config.driver_data = ri; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); rdev = regulator_register(&ri->desc, &config); if (IS_ERR(rdev)) {
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 3be9e46..7d5eaa8 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c
@@ -660,7 +660,7 @@ static int ab3100_regulators_probe(struct platform_device *pdev) { - struct ab3100_platform_data *plfdata = pdev->dev.platform_data; + struct ab3100_platform_data *plfdata = dev_get_platdata(&pdev->dev); struct device_node *np = pdev->dev.of_node; int err = 0; u8 data;
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c index 6b981b5..b2b203c 100644 --- a/drivers/regulator/ad5398.c +++ b/drivers/regulator/ad5398.c
@@ -214,7 +214,7 @@ static int ad5398_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct regulator_init_data *init_data = client->dev.platform_data; + struct regulator_init_data *init_data = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct ad5398_chip_info *chip; const struct ad5398_current_data_format *df =
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c index 3da6bd6..8406cd7 100644 --- a/drivers/regulator/as3711-regulator.c +++ b/drivers/regulator/as3711-regulator.c
@@ -30,102 +30,6 @@ struct regulator_dev *rdev; }; -static int as3711_list_voltage_sd(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - if (!selector) - return 0; - if (selector < 0x41) - return 600000 + selector * 12500; - if (selector < 0x71) - return 1400000 + (selector - 0x40) * 25000; - return 2600000 + (selector - 0x70) * 50000; -} - -static int as3711_list_voltage_aldo(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - if (selector < 0x10) - return 1200000 + selector * 50000; - return 1800000 + (selector - 0x10) * 100000; -} - -static int as3711_list_voltage_dldo(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector >= rdev->desc->n_voltages || - (selector > 0x10 && selector < 0x20)) - return -EINVAL; - - if (selector < 0x11) - return 900000 + selector * 50000; - return 1750000 + (selector - 0x20) * 50000; -} - -static int as3711_bound_check(struct regulator_dev *rdev, - int *min_uV, int *max_uV) -{ - struct as3711_regulator *reg = rdev_get_drvdata(rdev); - struct as3711_regulator_info *info = reg->reg_info; - - dev_dbg(&rdev->dev, "%s(), %d, %d, %d\n", __func__, - *min_uV, rdev->desc->min_uV, info->max_uV); - - if (*max_uV < *min_uV || - *min_uV > info->max_uV || rdev->desc->min_uV > *max_uV) - return -EINVAL; - - if (rdev->desc->n_voltages == 1) - return 0; - - if (*max_uV > info->max_uV) - *max_uV = info->max_uV; - - if (*min_uV < rdev->desc->min_uV) - *min_uV = rdev->desc->min_uV; - - return *min_uV; -} - -static int as3711_sel_check(int min, int max, int bottom, int step) -{ - int sel, voltage; - - /* Round up min, when dividing: keeps us within the range */ - sel = DIV_ROUND_UP(min - bottom, step); - voltage = sel * step + bottom; - pr_debug("%s(): select %d..%d in %d+N*%d: %d\n", __func__, - min, max, bottom, step, sel); - if (voltage > max) - return -EINVAL; - - return sel; -} - -static int as3711_map_voltage_sd(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int ret; - - ret = as3711_bound_check(rdev, &min_uV, &max_uV); - if (ret <= 0) - return ret; - - if (min_uV <= 1400000) - return as3711_sel_check(min_uV, max_uV, 600000, 12500); - - if (min_uV <= 2600000) - return as3711_sel_check(min_uV, max_uV, 1400000, 25000) + 0x40; - - return as3711_sel_check(min_uV, max_uV, 2600000, 50000) + 0x70; -} - /* * The regulator API supports 4 modes of operataion: FAST, NORMAL, IDLE and * STANDBY. We map them in the following way to AS3711 SD1-4 DCDC modes: @@ -180,44 +84,14 @@ return -EINVAL; } -static int as3711_map_voltage_aldo(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int ret; - - ret = as3711_bound_check(rdev, &min_uV, &max_uV); - if (ret <= 0) - return ret; - - if (min_uV <= 1800000) - return as3711_sel_check(min_uV, max_uV, 1200000, 50000); - - return as3711_sel_check(min_uV, max_uV, 1800000, 100000) + 0x10; -} - -static int as3711_map_voltage_dldo(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int ret; - - ret = as3711_bound_check(rdev, &min_uV, &max_uV); - if (ret <= 0) - return ret; - - if (min_uV <= 1700000) - return as3711_sel_check(min_uV, max_uV, 900000, 50000); - - return as3711_sel_check(min_uV, max_uV, 1750000, 50000) + 0x20; -} - static struct regulator_ops as3711_sd_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .list_voltage = as3711_list_voltage_sd, - .map_voltage = as3711_map_voltage_sd, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .get_mode = as3711_get_mode_sd, .set_mode = as3711_set_mode_sd, }; @@ -228,8 +102,8 @@ .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .list_voltage = as3711_list_voltage_aldo, - .map_voltage = as3711_map_voltage_aldo, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, }; static struct regulator_ops as3711_dldo_ops = { @@ -238,8 +112,31 @@ .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .list_voltage = as3711_list_voltage_dldo, - .map_voltage = as3711_map_voltage_dldo, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, +}; + +static const struct regulator_linear_range as3711_sd_ranges[] = { + { .min_uV = 612500, .max_uV = 1400000, + .min_sel = 0x1, .max_sel = 0x40, .uV_step = 12500 }, + { .min_uV = 1425000, .max_uV = 2600000, + .min_sel = 0x41, .max_sel = 0x70, .uV_step = 25000 }, + { .min_uV = 2650000, .max_uV = 3350000, + .min_sel = 0x71, .max_sel = 0x7f, .uV_step = 50000 }, +}; + +static const struct regulator_linear_range as3711_aldo_ranges[] = { + { .min_uV = 1200000, .max_uV = 1950000, + .min_sel = 0, .max_sel = 0xf, .uV_step = 50000 }, + { .min_uV = 1800000, .max_uV = 3300000, + .min_sel = 0x10, .max_sel = 0x1f, .uV_step = 100000 }, +}; + +static const struct regulator_linear_range as3711_dldo_ranges[] = { + { .min_uV = 900000, .max_uV = 1700000, + .min_sel = 0, .max_sel = 0x10, .uV_step = 50000 }, + { .min_uV = 1750000, .max_uV = 3300000, + .min_sel = 0x20, .max_sel = 0x3f, .uV_step = 50000 }, }; #define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _vshift, _min_uV, _max_uV, _sfx) \ @@ -256,6 +153,8 @@ .enable_reg = AS3711_ ## _en_reg, \ .enable_mask = BIT(_en_bit), \ .min_uV = _min_uV, \ + .linear_ranges = as3711_ ## _sfx ## _ranges, \ + .n_linear_ranges = ARRAY_SIZE(as3711_ ## _sfx ## _ranges), \ }, \ .max_uV = _max_uV, \ }
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 288c75a..a01b8b3 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c
@@ -323,13 +323,14 @@ } static DEVICE_ATTR(microamps, 0444, regulator_uA_show, NULL); -static ssize_t regulator_name_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t name_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct regulator_dev *rdev = dev_get_drvdata(dev); return sprintf(buf, "%s\n", rdev_get_name(rdev)); } +static DEVICE_ATTR_RO(name); static ssize_t regulator_print_opmode(char *buf, int mode) { @@ -489,15 +490,16 @@ } static DEVICE_ATTR(requested_microamps, 0444, regulator_total_uA_show, NULL); -static ssize_t regulator_num_users_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t num_users_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct regulator_dev *rdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", rdev->use_count); } +static DEVICE_ATTR_RO(num_users); -static ssize_t regulator_type_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t type_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct regulator_dev *rdev = dev_get_drvdata(dev); @@ -509,6 +511,7 @@ } return sprintf(buf, "unknown\n"); } +static DEVICE_ATTR_RO(type); static ssize_t regulator_suspend_mem_uV_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -632,12 +635,13 @@ * These are the only attributes are present for all regulators. * Other attributes are a function of regulator functionality. */ -static struct device_attribute regulator_dev_attrs[] = { - __ATTR(name, 0444, regulator_name_show, NULL), - __ATTR(num_users, 0444, regulator_num_users_show, NULL), - __ATTR(type, 0444, regulator_type_show, NULL), - __ATTR_NULL, +static struct attribute *regulator_dev_attrs[] = { + &dev_attr_name.attr, + &dev_attr_num_users.attr, + &dev_attr_type.attr, + NULL, }; +ATTRIBUTE_GROUPS(regulator_dev); static void regulator_dev_release(struct device *dev) { @@ -648,7 +652,7 @@ static struct class regulator_class = { .name = "regulator", .dev_release = regulator_dev_release, - .dev_attrs = regulator_dev_attrs, + .dev_groups = regulator_dev_groups, }; /* Calculate the new optimum regulator operating mode based on the new total @@ -984,7 +988,8 @@ } } - if (rdev->constraints->ramp_delay && ops->set_ramp_delay) { + if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable) + && ops->set_ramp_delay) { ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); if (ret < 0) { rdev_err(rdev, "failed to set ramp_delay\n"); @@ -1238,7 +1243,7 @@ /* Internal regulator request function */ static struct regulator *_regulator_get(struct device *dev, const char *id, - int exclusive) + bool exclusive) { struct regulator_dev *rdev; struct regulator *regulator = ERR_PTR(-EPROBE_DEFER); @@ -1344,7 +1349,7 @@ */ struct regulator *regulator_get(struct device *dev, const char *id) { - return _regulator_get(dev, id, 0); + return _regulator_get(dev, id, false); } EXPORT_SYMBOL_GPL(regulator_get); @@ -1405,10 +1410,69 @@ */ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) { - return _regulator_get(dev, id, 1); + return _regulator_get(dev, id, true); } EXPORT_SYMBOL_GPL(regulator_get_exclusive); +/** + * regulator_get_optional - obtain optional access to a regulator. + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Returns a struct regulator corresponding to the regulator producer, + * or IS_ERR() condition containing errno. Other consumers will be + * unable to obtain this reference is held and the use count for the + * regulator will be initialised to reflect the current state of the + * regulator. + * + * This is intended for use by consumers for devices which can have + * some supplies unconnected in normal use, such as some MMC devices. + * It can allow the regulator core to provide stub supplies for other + * supplies requested using normal regulator_get() calls without + * disrupting the operation of drivers that can handle absent + * supplies. + * + * Use of supply names configured via regulator_set_device_supply() is + * strongly encouraged. It is recommended that the supply name used + * should match the name used for the supply and/or the relevant + * device pins in the datasheet. + */ +struct regulator *regulator_get_optional(struct device *dev, const char *id) +{ + return _regulator_get(dev, id, 0); +} +EXPORT_SYMBOL_GPL(regulator_get_optional); + +/** + * devm_regulator_get_optional - Resource managed regulator_get_optional() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_optional(). Regulators returned from this + * function are automatically regulator_put() on driver detach. See + * regulator_get_optional() for more information. + */ +struct regulator *devm_regulator_get_optional(struct device *dev, + const char *id) +{ + struct regulator **ptr, *regulator; + + ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + regulator = regulator_get_optional(dev, id); + if (!IS_ERR(regulator)) { + *ptr = regulator; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return regulator; +} +EXPORT_SYMBOL_GPL(devm_regulator_get_optional); + /* Locks held by regulator_put() */ static void _regulator_put(struct regulator *regulator) { @@ -1435,6 +1499,36 @@ } /** + * devm_regulator_get_exclusive - Resource managed regulator_get_exclusive() + * @dev: device for regulator "consumer" + * @id: Supply name or regulator ID. + * + * Managed regulator_get_exclusive(). Regulators returned from this function + * are automatically regulator_put() on driver detach. See regulator_get() for + * more information. + */ +struct regulator *devm_regulator_get_exclusive(struct device *dev, + const char *id) +{ + struct regulator **ptr, *regulator; + + ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + regulator = _regulator_get(dev, id, 1); + if (!IS_ERR(regulator)) { + *ptr = regulator; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return regulator; +} +EXPORT_SYMBOL_GPL(devm_regulator_get_exclusive); + +/** * regulator_put - "free" the regulator source * @regulator: regulator source * @@ -1890,8 +1984,9 @@ rdev->deferred_disables++; mutex_unlock(&rdev->mutex); - ret = schedule_delayed_work(&rdev->disable_work, - msecs_to_jiffies(ms)); + ret = queue_delayed_work(system_power_efficient_wq, + &rdev->disable_work, + msecs_to_jiffies(ms)); if (ret < 0) return ret; else @@ -1899,77 +1994,6 @@ } EXPORT_SYMBOL_GPL(regulator_disable_deferred); -/** - * regulator_is_enabled_regmap - standard is_enabled() for regmap users - * - * @rdev: regulator to operate on - * - * Regulators that use regmap for their register I/O can set the - * enable_reg and enable_mask fields in their descriptor and then use - * this as their is_enabled operation, saving some code. - */ -int regulator_is_enabled_regmap(struct regulator_dev *rdev) -{ - unsigned int val; - int ret; - - ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); - if (ret != 0) - return ret; - - if (rdev->desc->enable_is_inverted) - return (val & rdev->desc->enable_mask) == 0; - else - return (val & rdev->desc->enable_mask) != 0; -} -EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap); - -/** - * regulator_enable_regmap - standard enable() for regmap users - * - * @rdev: regulator to operate on - * - * Regulators that use regmap for their register I/O can set the - * enable_reg and enable_mask fields in their descriptor and then use - * this as their enable() operation, saving some code. - */ -int regulator_enable_regmap(struct regulator_dev *rdev) -{ - unsigned int val; - - if (rdev->desc->enable_is_inverted) - val = 0; - else - val = rdev->desc->enable_mask; - - return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, - rdev->desc->enable_mask, val); -} -EXPORT_SYMBOL_GPL(regulator_enable_regmap); - -/** - * regulator_disable_regmap - standard disable() for regmap users - * - * @rdev: regulator to operate on - * - * Regulators that use regmap for their register I/O can set the - * enable_reg and enable_mask fields in their descriptor and then use - * this as their disable() operation, saving some code. - */ -int regulator_disable_regmap(struct regulator_dev *rdev) -{ - unsigned int val; - - if (rdev->desc->enable_is_inverted) - val = rdev->desc->enable_mask; - else - val = 0; - - return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, - rdev->desc->enable_mask, val); -} -EXPORT_SYMBOL_GPL(regulator_disable_regmap); - static int _regulator_is_enabled(struct regulator_dev *rdev) { /* A GPIO control always takes precedence */ @@ -2055,55 +2079,6 @@ EXPORT_SYMBOL_GPL(regulator_count_voltages); /** - * regulator_list_voltage_linear - List voltages with simple calculation - * - * @rdev: Regulator device - * @selector: Selector to convert into a voltage - * - * Regulators with a simple linear mapping between voltages and - * selectors can set min_uV and uV_step in the regulator descriptor - * and then use this function as their list_voltage() operation, - */ -int regulator_list_voltage_linear(struct regulator_dev *rdev, - unsigned int selector) -{ - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - if (selector < rdev->desc->linear_min_sel) - return 0; - - selector -= rdev->desc->linear_min_sel; - - return rdev->desc->min_uV + (rdev->desc->uV_step * selector); -} -EXPORT_SYMBOL_GPL(regulator_list_voltage_linear); - -/** - * regulator_list_voltage_table - List voltages with table based mapping - * - * @rdev: Regulator device - * @selector: Selector to convert into a voltage - * - * Regulators with table based mapping between voltages and - * selectors can set volt_table in the regulator descriptor - * and then use this function as their list_voltage() operation. - */ -int regulator_list_voltage_table(struct regulator_dev *rdev, - unsigned int selector) -{ - if (!rdev->desc->volt_table) { - BUG_ON(!rdev->desc->volt_table); - return -EINVAL; - } - - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - return rdev->desc->volt_table[selector]; -} -EXPORT_SYMBOL_GPL(regulator_list_voltage_table); - -/** * regulator_list_voltage - enumerate supported voltages * @regulator: regulator source * @selector: identify voltage to list @@ -2197,177 +2172,6 @@ } EXPORT_SYMBOL_GPL(regulator_is_supported_voltage); -/** - * regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users - * - * @rdev: regulator to operate on - * - * Regulators that use regmap for their register I/O can set the - * vsel_reg and vsel_mask fields in their descriptor and then use this - * as their get_voltage_vsel operation, saving some code. - */ -int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev) -{ - unsigned int val; - int ret; - - ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); - if (ret != 0) - return ret; - - val &= rdev->desc->vsel_mask; - val >>= ffs(rdev->desc->vsel_mask) - 1; - - return val; -} -EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_regmap); - -/** - * regulator_set_voltage_sel_regmap - standard set_voltage_sel for regmap users - * - * @rdev: regulator to operate on - * @sel: Selector to set - * - * Regulators that use regmap for their register I/O can set the - * vsel_reg and vsel_mask fields in their descriptor and then use this - * as their set_voltage_vsel operation, saving some code. - */ -int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel) -{ - int ret; - - sel <<= ffs(rdev->desc->vsel_mask) - 1; - - ret = regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg, - rdev->desc->vsel_mask, sel); - if (ret) - return ret; - - if (rdev->desc->apply_bit) - ret = regmap_update_bits(rdev->regmap, rdev->desc->apply_reg, - rdev->desc->apply_bit, - rdev->desc->apply_bit); - return ret; -} -EXPORT_SYMBOL_GPL(regulator_set_voltage_sel_regmap); - -/** - * regulator_map_voltage_iterate - map_voltage() based on list_voltage() - * - * @rdev: Regulator to operate on - * @min_uV: Lower bound for voltage - * @max_uV: Upper bound for voltage - * - * Drivers implementing set_voltage_sel() and list_voltage() can use - * this as their map_voltage() operation. It will find a suitable - * voltage by calling list_voltage() until it gets something in bounds - * for the requested voltages. - */ -int regulator_map_voltage_iterate(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int best_val = INT_MAX; - int selector = 0; - int i, ret; - - /* Find the smallest voltage that falls within the specified - * range. - */ - for (i = 0; i < rdev->desc->n_voltages; i++) { - ret = rdev->desc->ops->list_voltage(rdev, i); - if (ret < 0) - continue; - - if (ret < best_val && ret >= min_uV && ret <= max_uV) { - best_val = ret; - selector = i; - } - } - - if (best_val != INT_MAX) - return selector; - else - return -EINVAL; -} -EXPORT_SYMBOL_GPL(regulator_map_voltage_iterate); - -/** - * regulator_map_voltage_ascend - map_voltage() for ascendant voltage list - * - * @rdev: Regulator to operate on - * @min_uV: Lower bound for voltage - * @max_uV: Upper bound for voltage - * - * Drivers that have ascendant voltage list can use this as their - * map_voltage() operation. - */ -int regulator_map_voltage_ascend(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int i, ret; - - for (i = 0; i < rdev->desc->n_voltages; i++) { - ret = rdev->desc->ops->list_voltage(rdev, i); - if (ret < 0) - continue; - - if (ret > max_uV) - break; - - if (ret >= min_uV && ret <= max_uV) - return i; - } - - return -EINVAL; -} -EXPORT_SYMBOL_GPL(regulator_map_voltage_ascend); - -/** - * regulator_map_voltage_linear - map_voltage() for simple linear mappings - * - * @rdev: Regulator to operate on - * @min_uV: Lower bound for voltage - * @max_uV: Upper bound for voltage - * - * Drivers providing min_uV and uV_step in their regulator_desc can - * use this as their map_voltage() operation. - */ -int regulator_map_voltage_linear(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int ret, voltage; - - /* Allow uV_step to be 0 for fixed voltage */ - if (rdev->desc->n_voltages == 1 && rdev->desc->uV_step == 0) { - if (min_uV <= rdev->desc->min_uV && rdev->desc->min_uV <= max_uV) - return 0; - else - return -EINVAL; - } - - if (!rdev->desc->uV_step) { - BUG_ON(!rdev->desc->uV_step); - return -EINVAL; - } - - if (min_uV < rdev->desc->min_uV) - min_uV = rdev->desc->min_uV; - - ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step); - if (ret < 0) - return ret; - - ret += rdev->desc->linear_min_sel; - - /* Map back into a voltage to verify we're still in bounds */ - voltage = rdev->desc->ops->list_voltage(rdev, ret); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return ret; -} -EXPORT_SYMBOL_GPL(regulator_map_voltage_linear); - static int _regulator_do_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { @@ -2438,8 +2242,8 @@ } /* Call set_voltage_time_sel if successfully obtained old_selector */ - if (ret == 0 && _regulator_is_enabled(rdev) && old_selector >= 0 && - old_selector != selector && rdev->desc->ops->set_voltage_time_sel) { + if (ret == 0 && !rdev->constraints->ramp_disable && old_selector >= 0 + && old_selector != selector) { delay = rdev->desc->ops->set_voltage_time_sel(rdev, old_selector, selector); @@ -2971,47 +2775,6 @@ EXPORT_SYMBOL_GPL(regulator_set_optimum_mode); /** - * regulator_set_bypass_regmap - Default set_bypass() using regmap - * - * @rdev: device to operate on. - * @enable: state to set. - */ -int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable) -{ - unsigned int val; - - if (enable) - val = rdev->desc->bypass_mask; - else - val = 0; - - return regmap_update_bits(rdev->regmap, rdev->desc->bypass_reg, - rdev->desc->bypass_mask, val); -} -EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap); - -/** - * regulator_get_bypass_regmap - Default get_bypass() using regmap - * - * @rdev: device to operate on. - * @enable: current state. - */ -int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable) -{ - unsigned int val; - int ret; - - ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val); - if (ret != 0) - return ret; - - *enable = val & rdev->desc->bypass_mask; - - return 0; -} -EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap); - -/** * regulator_allow_bypass - allow the regulator to go into bypass mode * * @regulator: Regulator to configure @@ -3740,8 +3503,11 @@ if (rdev == NULL) return; - if (rdev->supply) + if (rdev->supply) { + while (rdev->use_count--) + regulator_disable(rdev->supply); regulator_put(rdev->supply); + } mutex_lock(®ulator_list_mutex); debugfs_remove_recursive(rdev->debugfs); flush_work(&rdev->disable_work.work);
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c index 2afa573..f06854c 100644 --- a/drivers/regulator/da903x.c +++ b/drivers/regulator/da903x.c
@@ -252,39 +252,12 @@ return ret; } -static int da9034_map_ldo12_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - struct da903x_regulator_info *info = rdev_get_drvdata(rdev); - int sel; - - if (check_range(info, min_uV, max_uV)) { - pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); - return -EINVAL; - } - - sel = DIV_ROUND_UP(min_uV - info->desc.min_uV, info->desc.uV_step); - sel = (sel >= 20) ? sel - 12 : ((sel > 7) ? 8 : sel); - - return sel; -} - -static int da9034_list_ldo12_voltage(struct regulator_dev *rdev, - unsigned selector) -{ - struct da903x_regulator_info *info = rdev_get_drvdata(rdev); - int volt; - - if (selector >= 8) - volt = 2700000 + rdev->desc->uV_step * (selector - 8); - else - volt = rdev->desc->min_uV + rdev->desc->uV_step * selector; - - if (volt > info->max_uV) - return -EINVAL; - - return volt; -} +static const struct regulator_linear_range da9034_ldo12_ranges[] = { + { .min_uV = 1700000, .max_uV = 2050000, .min_sel = 0, .max_sel = 7, + .uV_step = 50000 }, + { .min_uV = 2700000, .max_uV = 3050000, .min_sel = 8, .max_sel = 15, + .uV_step = 50000 }, +}; static struct regulator_ops da903x_regulator_ldo_ops = { .set_voltage_sel = da903x_set_voltage_sel, @@ -332,8 +305,8 @@ static struct regulator_ops da9034_regulator_ldo12_ops = { .set_voltage_sel = da903x_set_voltage_sel, .get_voltage_sel = da903x_get_voltage_sel, - .list_voltage = da9034_list_ldo12_voltage, - .map_voltage = da9034_map_ldo12_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .enable = da903x_enable, .disable = da903x_disable, .is_enabled = da903x_is_enabled, @@ -476,6 +449,8 @@ if (ri->desc.id == DA9034_ID_LDO12) { ri->desc.ops = &da9034_regulator_ldo12_ops; ri->desc.n_voltages = 16; + ri->desc.linear_ranges = da9034_ldo12_ranges; + ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges); } if (ri->desc.id == DA9030_ID_LDO14) @@ -485,7 +460,7 @@ ri->desc.ops = &da9030_regulator_ldo1_15_ops; config.dev = &pdev->dev; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = ri; rdev = regulator_register(&ri->desc, &config);
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index 96b569a..1e4d483 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c
@@ -349,7 +349,7 @@ return -ENOMEM; da9052 = dev_get_drvdata(pdev->dev.parent); - pdata = da9052->dev->platform_data; + pdata = dev_get_platdata(da9052->dev); regulator->da9052 = da9052; regulator->info = find_regulator_info(regulator->da9052->chip_id,
diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 3022109..77b53e5 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c
@@ -535,7 +535,7 @@ struct regulator_config config = { }; struct da9055_regulator *regulator; struct da9055 *da9055 = dev_get_drvdata(pdev->dev.parent); - struct da9055_pdata *pdata = da9055->dev->platform_data; + struct da9055_pdata *pdata = dev_get_platdata(da9055->dev); int ret, irq; if (pdata == NULL || pdata->regulators[pdev->id] == NULL)
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c new file mode 100644 index 0000000..1a78163 --- /dev/null +++ b/drivers/regulator/da9063-regulator.c
@@ -0,0 +1,934 @@ +/* + * Regulator driver for DA9063 PMIC series + * + * Copyright 2012 Dialog Semiconductors Ltd. + * Copyright 2013 Philipp Zabel, Pengutronix + * + * Author: Krystian Garbaciak <krystian.garbaciak@diasemi.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. + * + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> +#include <linux/mfd/da9063/core.h> +#include <linux/mfd/da9063/pdata.h> +#include <linux/mfd/da9063/registers.h> + + +/* Definition for registering regmap bit fields using a mask */ +#define BFIELD(_reg, _mask) \ + REG_FIELD(_reg, __builtin_ffs((int)_mask) - 1, \ + sizeof(unsigned int) * 8 - __builtin_clz((_mask)) - 1) + +/* Regulator capabilities and registers description */ +struct da9063_regulator_info { + struct regulator_desc desc; + + /* Current limiting */ + unsigned n_current_limits; + const int *current_limits; + + /* DA9063 main register fields */ + struct reg_field mode; /* buck mode of operation */ + struct reg_field suspend; + struct reg_field sleep; + struct reg_field suspend_sleep; + unsigned int suspend_vsel_reg; + struct reg_field ilimit; + + /* DA9063 event detection bit */ + struct reg_field oc_event; +}; + +/* Macros for LDO */ +#define DA9063_LDO(chip, regl_name, min_mV, step_mV, max_mV) \ + .desc.id = chip##_ID_##regl_name, \ + .desc.name = __stringify(chip##_##regl_name), \ + .desc.ops = &da9063_ldo_ops, \ + .desc.min_uV = (min_mV) * 1000, \ + .desc.uV_step = (step_mV) * 1000, \ + .desc.n_voltages = (((max_mV) - (min_mV))/(step_mV) + 1), \ + .desc.enable_reg = DA9063_REG_##regl_name##_CONT, \ + .desc.enable_mask = DA9063_LDO_EN, \ + .desc.vsel_reg = DA9063_REG_V##regl_name##_A, \ + .desc.vsel_mask = DA9063_V##regl_name##_MASK, \ + .desc.linear_min_sel = DA9063_V##regl_name##_BIAS, \ + .sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_LDO_SL), \ + .suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_LDO_SL), \ + .suspend_vsel_reg = DA9063_REG_V##regl_name##_B + +/* Macros for voltage DC/DC converters (BUCKs) */ +#define DA9063_BUCK(chip, regl_name, min_mV, step_mV, max_mV, limits_array) \ + .desc.id = chip##_ID_##regl_name, \ + .desc.name = __stringify(chip##_##regl_name), \ + .desc.ops = &da9063_buck_ops, \ + .desc.min_uV = (min_mV) * 1000, \ + .desc.uV_step = (step_mV) * 1000, \ + .desc.n_voltages = ((max_mV) - (min_mV))/(step_mV) + 1, \ + .current_limits = limits_array, \ + .n_current_limits = ARRAY_SIZE(limits_array) + +#define DA9063_BUCK_COMMON_FIELDS(regl_name) \ + .desc.enable_reg = DA9063_REG_##regl_name##_CONT, \ + .desc.enable_mask = DA9063_BUCK_EN, \ + .desc.vsel_reg = DA9063_REG_V##regl_name##_A, \ + .desc.vsel_mask = DA9063_VBUCK_MASK, \ + .desc.linear_min_sel = DA9063_VBUCK_BIAS, \ + .sleep = BFIELD(DA9063_REG_V##regl_name##_A, DA9063_BUCK_SL), \ + .suspend_sleep = BFIELD(DA9063_REG_V##regl_name##_B, DA9063_BUCK_SL), \ + .suspend_vsel_reg = DA9063_REG_V##regl_name##_B, \ + .mode = BFIELD(DA9063_REG_##regl_name##_CFG, DA9063_BUCK_MODE_MASK) + +/* Defines asignment of regulators info table to chip model */ +struct da9063_dev_model { + const struct da9063_regulator_info *regulator_info; + unsigned n_regulators; + unsigned dev_model; +}; + +/* Single regulator settings */ +struct da9063_regulator { + struct regulator_desc desc; + struct regulator_dev *rdev; + struct da9063 *hw; + const struct da9063_regulator_info *info; + + struct regmap_field *mode; + struct regmap_field *suspend; + struct regmap_field *sleep; + struct regmap_field *suspend_sleep; + struct regmap_field *ilimit; +}; + +/* Encapsulates all information for the regulators driver */ +struct da9063_regulators { + int irq_ldo_lim; + int irq_uvov; + + unsigned n_regulators; + /* Array size to be defined during init. Keep at end. */ + struct da9063_regulator regulator[0]; +}; + +/* BUCK modes for DA9063 */ +enum { + BUCK_MODE_MANUAL, /* 0 */ + BUCK_MODE_SLEEP, /* 1 */ + BUCK_MODE_SYNC, /* 2 */ + BUCK_MODE_AUTO /* 3 */ +}; + +/* Regulator operations */ + +/* Current limits array (in uA) for BCORE1, BCORE2, BPRO. + Entry indexes corresponds to register values. */ +static const int da9063_buck_a_limits[] = { + 500000, 600000, 700000, 800000, 900000, 1000000, 1100000, 1200000, + 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1900000, 2000000 +}; + +/* Current limits array (in uA) for BMEM, BIO, BPERI. + Entry indexes corresponds to register values. */ +static const int da9063_buck_b_limits[] = { + 1500000, 1600000, 1700000, 1800000, 1900000, 2000000, 2100000, 2200000, + 2300000, 2400000, 2500000, 2600000, 2700000, 2800000, 2900000, 3000000 +}; + +/* Current limits array (in uA) for merged BCORE1 and BCORE2. + Entry indexes corresponds to register values. */ +static const int da9063_bcores_merged_limits[] = { + 1000000, 1200000, 1400000, 1600000, 1800000, 2000000, 2200000, 2400000, + 2600000, 2800000, 3000000, 3200000, 3400000, 3600000, 3800000, 4000000 +}; + +/* Current limits array (in uA) for merged BMEM and BIO. + Entry indexes corresponds to register values. */ +static const int da9063_bmem_bio_merged_limits[] = { + 3000000, 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, + 4600000, 4800000, 5000000, 5200000, 5400000, 5600000, 5800000, 6000000 +}; + +static int da9063_set_current_limit(struct regulator_dev *rdev, + int min_uA, int max_uA) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + const struct da9063_regulator_info *rinfo = regl->info; + int n, tval; + + for (n = 0; n < rinfo->n_current_limits; n++) { + tval = rinfo->current_limits[n]; + if (tval >= min_uA && tval <= max_uA) + return regmap_field_write(regl->ilimit, n); + } + + return -EINVAL; +} + +static int da9063_get_current_limit(struct regulator_dev *rdev) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + const struct da9063_regulator_info *rinfo = regl->info; + unsigned int sel; + int ret; + + ret = regmap_field_read(regl->ilimit, &sel); + if (ret < 0) + return ret; + + if (sel >= rinfo->n_current_limits) + sel = rinfo->n_current_limits - 1; + + return rinfo->current_limits[sel]; +} + +static int da9063_buck_set_mode(struct regulator_dev *rdev, unsigned mode) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + unsigned val; + + switch (mode) { + case REGULATOR_MODE_FAST: + val = BUCK_MODE_SYNC; + break; + case REGULATOR_MODE_NORMAL: + val = BUCK_MODE_AUTO; + break; + case REGULATOR_MODE_STANDBY: + val = BUCK_MODE_SLEEP; + break; + default: + return -EINVAL; + } + + return regmap_field_write(regl->mode, val); +} + +/* + * Bucks use single mode register field for normal operation + * and suspend state. + * There are 3 modes to map to: FAST, NORMAL, and STANDBY. + */ + +static unsigned da9063_buck_get_mode(struct regulator_dev *rdev) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + struct regmap_field *field; + unsigned int val, mode = 0; + int ret; + + ret = regmap_field_read(regl->mode, &val); + if (ret < 0) + return ret; + + switch (val) { + default: + case BUCK_MODE_MANUAL: + mode = REGULATOR_MODE_FAST | REGULATOR_MODE_STANDBY; + /* Sleep flag bit decides the mode */ + break; + case BUCK_MODE_SLEEP: + return REGULATOR_MODE_STANDBY; + case BUCK_MODE_SYNC: + return REGULATOR_MODE_FAST; + case BUCK_MODE_AUTO: + return REGULATOR_MODE_NORMAL; + } + + /* Detect current regulator state */ + ret = regmap_field_read(regl->suspend, &val); + if (ret < 0) + return 0; + + /* Read regulator mode from proper register, depending on state */ + if (val) + field = regl->suspend_sleep; + else + field = regl->sleep; + + ret = regmap_field_read(field, &val); + if (ret < 0) + return 0; + + if (val) + mode &= REGULATOR_MODE_STANDBY; + else + mode &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_FAST; + + return mode; +} + +/* + * LDOs use sleep flags - one for normal and one for suspend state. + * There are 2 modes to map to: NORMAL and STANDBY (sleep) for each state. + */ + +static int da9063_ldo_set_mode(struct regulator_dev *rdev, unsigned mode) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + unsigned val; + + switch (mode) { + case REGULATOR_MODE_NORMAL: + val = 0; + break; + case REGULATOR_MODE_STANDBY: + val = 1; + break; + default: + return -EINVAL; + } + + return regmap_field_write(regl->sleep, val); +} + +static unsigned da9063_ldo_get_mode(struct regulator_dev *rdev) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + struct regmap_field *field; + int ret, val; + + /* Detect current regulator state */ + ret = regmap_field_read(regl->suspend, &val); + if (ret < 0) + return 0; + + /* Read regulator mode from proper register, depending on state */ + if (val) + field = regl->suspend_sleep; + else + field = regl->sleep; + + ret = regmap_field_read(field, &val); + if (ret < 0) + return 0; + + if (val) + return REGULATOR_MODE_STANDBY; + else + return REGULATOR_MODE_NORMAL; +} + +static int da9063_buck_get_status(struct regulator_dev *rdev) +{ + int ret = regulator_is_enabled_regmap(rdev); + + if (ret == 0) { + ret = REGULATOR_STATUS_OFF; + } else if (ret > 0) { + ret = da9063_buck_get_mode(rdev); + if (ret > 0) + ret = regulator_mode_to_status(ret); + else if (ret == 0) + ret = -EIO; + } + + return ret; +} + +static int da9063_ldo_get_status(struct regulator_dev *rdev) +{ + int ret = regulator_is_enabled_regmap(rdev); + + if (ret == 0) { + ret = REGULATOR_STATUS_OFF; + } else if (ret > 0) { + ret = da9063_ldo_get_mode(rdev); + if (ret > 0) + ret = regulator_mode_to_status(ret); + else if (ret == 0) + ret = -EIO; + } + + return ret; +} + +static int da9063_set_suspend_voltage(struct regulator_dev *rdev, int uV) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + const struct da9063_regulator_info *rinfo = regl->info; + int ret, sel; + + sel = regulator_map_voltage_linear(rdev, uV, uV); + if (sel < 0) + return -EINVAL; + + sel <<= ffs(rdev->desc->vsel_mask) - 1; + + ret = regmap_update_bits(regl->hw->regmap, rinfo->suspend_vsel_reg, + rdev->desc->vsel_mask, sel); + + return ret; +} + +static int da9063_suspend_enable(struct regulator_dev *rdev) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + + return regmap_field_write(regl->suspend, 1); +} + +static int da9063_suspend_disable(struct regulator_dev *rdev) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + + return regmap_field_write(regl->suspend, 0); +} + +static int da9063_buck_set_suspend_mode(struct regulator_dev *rdev, unsigned mode) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + int val; + + switch (mode) { + case REGULATOR_MODE_FAST: + val = BUCK_MODE_SYNC; + break; + case REGULATOR_MODE_NORMAL: + val = BUCK_MODE_AUTO; + break; + case REGULATOR_MODE_STANDBY: + val = BUCK_MODE_SLEEP; + break; + default: + return -EINVAL; + } + + return regmap_field_write(regl->mode, val); +} + +static int da9063_ldo_set_suspend_mode(struct regulator_dev *rdev, unsigned mode) +{ + struct da9063_regulator *regl = rdev_get_drvdata(rdev); + unsigned val; + + switch (mode) { + case REGULATOR_MODE_NORMAL: + val = 0; + break; + case REGULATOR_MODE_STANDBY: + val = 1; + break; + default: + return -EINVAL; + } + + return regmap_field_write(regl->suspend_sleep, val); +} + +static struct regulator_ops da9063_buck_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_current_limit = da9063_set_current_limit, + .get_current_limit = da9063_get_current_limit, + .set_mode = da9063_buck_set_mode, + .get_mode = da9063_buck_get_mode, + .get_status = da9063_buck_get_status, + .set_suspend_voltage = da9063_set_suspend_voltage, + .set_suspend_enable = da9063_suspend_enable, + .set_suspend_disable = da9063_suspend_disable, + .set_suspend_mode = da9063_buck_set_suspend_mode, +}; + +static struct regulator_ops da9063_ldo_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_mode = da9063_ldo_set_mode, + .get_mode = da9063_ldo_get_mode, + .get_status = da9063_ldo_get_status, + .set_suspend_voltage = da9063_set_suspend_voltage, + .set_suspend_enable = da9063_suspend_enable, + .set_suspend_disable = da9063_suspend_disable, + .set_suspend_mode = da9063_ldo_set_suspend_mode, +}; + +/* Info of regulators for DA9063 */ +static const struct da9063_regulator_info da9063_regulator_info[] = { + { + DA9063_BUCK(DA9063, BCORE1, 300, 10, 1570, + da9063_buck_a_limits), + DA9063_BUCK_COMMON_FIELDS(BCORE1), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C, + DA9063_BCORE1_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BCORE2, 300, 10, 1570, + da9063_buck_a_limits), + DA9063_BUCK_COMMON_FIELDS(BCORE2), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE2_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C, + DA9063_BCORE2_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BPRO, 530, 10, 1800, + da9063_buck_a_limits), + DA9063_BUCK_COMMON_FIELDS(BPRO), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPRO_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_B, + DA9063_BPRO_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BMEM, 800, 20, 3340, + da9063_buck_b_limits), + DA9063_BUCK_COMMON_FIELDS(BMEM), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A, + DA9063_BMEM_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BIO, 800, 20, 3340, + da9063_buck_b_limits), + DA9063_BUCK_COMMON_FIELDS(BIO), + .suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VBIO_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A, + DA9063_BIO_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BPERI, 800, 20, 3340, + da9063_buck_b_limits), + DA9063_BUCK_COMMON_FIELDS(BPERI), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBPERI_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_B, + DA9063_BPERI_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BCORES_MERGED, 300, 10, 1570, + da9063_bcores_merged_limits), + /* BCORES_MERGED uses the same register fields as BCORE1 */ + DA9063_BUCK_COMMON_FIELDS(BCORE1), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBCORE1_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_C, + DA9063_BCORE1_ILIM_MASK), + }, + { + DA9063_BUCK(DA9063, BMEM_BIO_MERGED, 800, 20, 3340, + da9063_bmem_bio_merged_limits), + /* BMEM_BIO_MERGED uses the same register fields as BMEM */ + DA9063_BUCK_COMMON_FIELDS(BMEM), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VBMEM_SEL), + .ilimit = BFIELD(DA9063_REG_BUCK_ILIM_A, + DA9063_BMEM_ILIM_MASK), + }, + { + DA9063_LDO(DA9063, LDO1, 600, 20, 1860), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO1_SEL), + }, + { + DA9063_LDO(DA9063, LDO2, 600, 20, 1860), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO2_SEL), + }, + { + DA9063_LDO(DA9063, LDO3, 900, 20, 3440), + .suspend = BFIELD(DA9063_REG_DVC_1, DA9063_VLDO3_SEL), + .oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO3_LIM), + }, + { + DA9063_LDO(DA9063, LDO4, 900, 20, 3440), + .suspend = BFIELD(DA9063_REG_DVC_2, DA9063_VLDO4_SEL), + .oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO4_LIM), + }, + { + DA9063_LDO(DA9063, LDO5, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO5_CONT, DA9063_VLDO5_SEL), + }, + { + DA9063_LDO(DA9063, LDO6, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO6_CONT, DA9063_VLDO6_SEL), + }, + { + DA9063_LDO(DA9063, LDO7, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO7_CONT, DA9063_VLDO7_SEL), + .oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO7_LIM), + }, + { + DA9063_LDO(DA9063, LDO8, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO8_CONT, DA9063_VLDO8_SEL), + .oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO8_LIM), + }, + { + DA9063_LDO(DA9063, LDO9, 950, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO9_CONT, DA9063_VLDO9_SEL), + }, + { + DA9063_LDO(DA9063, LDO10, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO10_CONT, DA9063_VLDO10_SEL), + }, + { + DA9063_LDO(DA9063, LDO11, 900, 50, 3600), + .suspend = BFIELD(DA9063_REG_LDO11_CONT, DA9063_VLDO11_SEL), + .oc_event = BFIELD(DA9063_REG_STATUS_D, DA9063_LDO11_LIM), + }, +}; + +/* Link chip model with regulators info table */ +static struct da9063_dev_model regulators_models[] = { + { + .regulator_info = da9063_regulator_info, + .n_regulators = ARRAY_SIZE(da9063_regulator_info), + .dev_model = PMIC_DA9063, + }, + { } +}; + +/* Regulator interrupt handlers */ +static irqreturn_t da9063_ldo_lim_event(int irq, void *data) +{ + struct da9063_regulators *regulators = data; + struct da9063 *hw = regulators->regulator[0].hw; + struct da9063_regulator *regl; + int bits, i , ret; + + ret = regmap_read(hw->regmap, DA9063_REG_STATUS_D, &bits); + if (ret < 0) + return IRQ_NONE; + + for (i = regulators->n_regulators - 1; i >= 0; i--) { + regl = ®ulators->regulator[i]; + if (regl->info->oc_event.reg != DA9063_REG_STATUS_D) + continue; + + if (BIT(regl->info->oc_event.lsb) & bits) + regulator_notifier_call_chain(regl->rdev, + REGULATOR_EVENT_OVER_CURRENT, NULL); + } + + return IRQ_HANDLED; +} + +/* + * Probing and Initialisation functions + */ +static const struct regulator_init_data *da9063_get_regulator_initdata( + const struct da9063_regulators_pdata *regl_pdata, int id) +{ + int i; + + for (i = 0; i < regl_pdata->n_regulators; i++) { + if (id == regl_pdata->regulator_data[i].id) + return regl_pdata->regulator_data[i].initdata; + } + + return NULL; +} + +#ifdef CONFIG_OF +static struct of_regulator_match da9063_matches[] = { + [DA9063_ID_BCORE1] = { .name = "bcore1" }, + [DA9063_ID_BCORE2] = { .name = "bcore2" }, + [DA9063_ID_BPRO] = { .name = "bpro", }, + [DA9063_ID_BMEM] = { .name = "bmem", }, + [DA9063_ID_BIO] = { .name = "bio", }, + [DA9063_ID_BPERI] = { .name = "bperi", }, + [DA9063_ID_BCORES_MERGED] = { .name = "bcores-merged" }, + [DA9063_ID_BMEM_BIO_MERGED] = { .name = "bmem-bio-merged", }, + [DA9063_ID_LDO1] = { .name = "ldo1", }, + [DA9063_ID_LDO2] = { .name = "ldo2", }, + [DA9063_ID_LDO3] = { .name = "ldo3", }, + [DA9063_ID_LDO4] = { .name = "ldo4", }, + [DA9063_ID_LDO5] = { .name = "ldo5", }, + [DA9063_ID_LDO6] = { .name = "ldo6", }, + [DA9063_ID_LDO7] = { .name = "ldo7", }, + [DA9063_ID_LDO8] = { .name = "ldo8", }, + [DA9063_ID_LDO9] = { .name = "ldo9", }, + [DA9063_ID_LDO10] = { .name = "ldo10", }, + [DA9063_ID_LDO11] = { .name = "ldo11", }, +}; + +static struct da9063_regulators_pdata *da9063_parse_regulators_dt( + struct platform_device *pdev, + struct of_regulator_match **da9063_reg_matches) +{ + struct da9063_regulators_pdata *pdata; + struct da9063_regulator_data *rdata; + struct device_node *node; + int i, n, num; + + node = of_find_node_by_name(pdev->dev.parent->of_node, "regulators"); + if (!node) { + dev_err(&pdev->dev, "Regulators device node not found\n"); + return ERR_PTR(-ENODEV); + } + + num = of_regulator_match(&pdev->dev, node, da9063_matches, + ARRAY_SIZE(da9063_matches)); + if (num < 0) { + dev_err(&pdev->dev, "Failed to match regulators\n"); + return ERR_PTR(-EINVAL); + } + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return ERR_PTR(-ENOMEM); + + pdata->regulator_data = devm_kzalloc(&pdev->dev, + num * sizeof(*pdata->regulator_data), + GFP_KERNEL); + if (!pdata->regulator_data) + return ERR_PTR(-ENOMEM); + pdata->n_regulators = num; + + n = 0; + for (i = 0; i < ARRAY_SIZE(da9063_matches); i++) { + if (!da9063_matches[i].init_data) + continue; + + rdata = &pdata->regulator_data[n]; + rdata->id = i; + rdata->initdata = da9063_matches[i].init_data; + + n++; + }; + + *da9063_reg_matches = da9063_matches; + return pdata; +} +#else +static struct da9063_regulators_pdata *da9063_parse_regulators_dt( + struct platform_device *pdev, + struct of_regulator_match **da9063_reg_matches) +{ + da9063_reg_matches = NULL; + return PTR_ERR(-ENODEV); +} +#endif + +static int da9063_regulator_probe(struct platform_device *pdev) +{ + struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent); + struct da9063_pdata *da9063_pdata = dev_get_platdata(da9063->dev); + struct of_regulator_match *da9063_reg_matches; + struct da9063_regulators_pdata *regl_pdata; + const struct da9063_dev_model *model; + struct da9063_regulators *regulators; + struct da9063_regulator *regl; + struct regulator_config config; + bool bcores_merged, bmem_bio_merged; + int id, irq, n, n_regulators, ret, val; + size_t size; + + regl_pdata = da9063_pdata ? da9063_pdata->regulators_pdata : NULL; + + if (!regl_pdata) + regl_pdata = da9063_parse_regulators_dt(pdev, + &da9063_reg_matches); + + if (IS_ERR(regl_pdata) || regl_pdata->n_regulators == 0) { + dev_err(&pdev->dev, + "No regulators defined for the platform\n"); + return PTR_ERR(regl_pdata); + } + + /* Find regulators set for particular device model */ + for (model = regulators_models; model->regulator_info; model++) { + if (model->dev_model == da9063->model) + break; + } + if (!model->regulator_info) { + dev_err(&pdev->dev, "Chip model not recognised (%u)\n", + da9063->model); + return -ENODEV; + } + + ret = regmap_read(da9063->regmap, DA9063_REG_CONFIG_H, &val); + if (ret < 0) { + dev_err(&pdev->dev, + "Error while reading BUCKs configuration\n"); + return -EIO; + } + bcores_merged = val & DA9063_BCORE_MERGE; + bmem_bio_merged = val & DA9063_BUCK_MERGE; + + n_regulators = model->n_regulators; + if (bcores_merged) + n_regulators -= 2; /* remove BCORE1, BCORE2 */ + else + n_regulators--; /* remove BCORES_MERGED */ + if (bmem_bio_merged) + n_regulators -= 2; /* remove BMEM, BIO */ + else + n_regulators--; /* remove BMEM_BIO_MERGED */ + + /* Allocate memory required by usable regulators */ + size = sizeof(struct da9063_regulators) + + n_regulators * sizeof(struct da9063_regulator); + regulators = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); + if (!regulators) { + dev_err(&pdev->dev, "No memory for regulators\n"); + return -ENOMEM; + } + + regulators->n_regulators = n_regulators; + platform_set_drvdata(pdev, regulators); + + /* Register all regulators declared in platform information */ + n = 0; + id = 0; + while (n < regulators->n_regulators) { + /* Skip regulator IDs depending on merge mode configuration */ + switch (id) { + case DA9063_ID_BCORE1: + case DA9063_ID_BCORE2: + if (bcores_merged) { + id++; + continue; + } + break; + case DA9063_ID_BMEM: + case DA9063_ID_BIO: + if (bmem_bio_merged) { + id++; + continue; + } + break; + case DA9063_ID_BCORES_MERGED: + if (!bcores_merged) { + id++; + continue; + } + break; + case DA9063_ID_BMEM_BIO_MERGED: + if (!bmem_bio_merged) { + id++; + continue; + } + break; + } + + /* Initialise regulator structure */ + regl = ®ulators->regulator[n]; + regl->hw = da9063; + regl->info = &model->regulator_info[id]; + regl->desc = regl->info->desc; + regl->desc.type = REGULATOR_VOLTAGE; + regl->desc.owner = THIS_MODULE; + + if (regl->info->mode.reg) + regl->mode = devm_regmap_field_alloc(&pdev->dev, + da9063->regmap, regl->info->mode); + if (regl->info->suspend.reg) + regl->suspend = devm_regmap_field_alloc(&pdev->dev, + da9063->regmap, regl->info->suspend); + if (regl->info->sleep.reg) + regl->sleep = devm_regmap_field_alloc(&pdev->dev, + da9063->regmap, regl->info->sleep); + if (regl->info->suspend_sleep.reg) + regl->suspend_sleep = devm_regmap_field_alloc(&pdev->dev, + da9063->regmap, regl->info->suspend_sleep); + if (regl->info->ilimit.reg) + regl->ilimit = devm_regmap_field_alloc(&pdev->dev, + da9063->regmap, regl->info->ilimit); + + /* Register regulator */ + memset(&config, 0, sizeof(config)); + config.dev = &pdev->dev; + config.init_data = da9063_get_regulator_initdata(regl_pdata, id); + config.driver_data = regl; + if (da9063_reg_matches) + config.of_node = da9063_reg_matches[id].of_node; + config.regmap = da9063->regmap; + regl->rdev = regulator_register(®l->desc, &config); + if (IS_ERR(regl->rdev)) { + dev_err(&pdev->dev, + "Failed to register %s regulator\n", + regl->desc.name); + ret = PTR_ERR(regl->rdev); + goto err; + } + id++; + n++; + } + + /* LDOs overcurrent event support */ + irq = platform_get_irq_byname(pdev, "LDO_LIM"); + if (irq < 0) { + ret = irq; + dev_err(&pdev->dev, "Failed to get IRQ.\n"); + goto err; + } + + regulators->irq_ldo_lim = regmap_irq_get_virq(da9063->regmap_irq, irq); + if (regulators->irq_ldo_lim >= 0) { + ret = request_threaded_irq(regulators->irq_ldo_lim, + NULL, da9063_ldo_lim_event, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "LDO_LIM", regulators); + if (ret) { + dev_err(&pdev->dev, + "Failed to request LDO_LIM IRQ.\n"); + regulators->irq_ldo_lim = -ENXIO; + } + } + + return 0; + +err: + /* Wind back regulators registeration */ + while (--n >= 0) + regulator_unregister(regulators->regulator[n].rdev); + + return ret; +} + +static int da9063_regulator_remove(struct platform_device *pdev) +{ + struct da9063_regulators *regulators = platform_get_drvdata(pdev); + struct da9063_regulator *regl; + + free_irq(regulators->irq_ldo_lim, regulators); + free_irq(regulators->irq_uvov, regulators); + + for (regl = ®ulators->regulator[regulators->n_regulators - 1]; + regl >= ®ulators->regulator[0]; regl--) + regulator_unregister(regl->rdev); + + return 0; +} + +static struct platform_driver da9063_regulator_driver = { + .driver = { + .name = DA9063_DRVNAME_REGULATORS, + .owner = THIS_MODULE, + }, + .probe = da9063_regulator_probe, + .remove = da9063_regulator_remove, +}; + +static int __init da9063_regulator_init(void) +{ + return platform_driver_register(&da9063_regulator_driver); +} +subsys_initcall(da9063_regulator_init); + +static void __exit da9063_regulator_cleanup(void) +{ + platform_driver_unregister(&da9063_regulator_driver); +} +module_exit(da9063_regulator_cleanup); + + +/* Module information */ +MODULE_AUTHOR("Krystian Garbaciak <krystian.garbaciak@diasemi.com>"); +MODULE_DESCRIPTION("DA9063 regulators driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("paltform:" DA9063_DRVNAME_REGULATORS);
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c new file mode 100644 index 0000000..f0fe54b --- /dev/null +++ b/drivers/regulator/da9210-regulator.c
@@ -0,0 +1,196 @@ +/* + * da9210-regulator.c - Regulator device driver for DA9210 + * Copyright (C) 2013 Dialog Semiconductor Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regmap.h> + +#include "da9210-regulator.h" + +struct da9210 { + struct regulator_dev *rdev; + struct regmap *regmap; +}; + +static const struct regmap_config da9210_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA, + int max_uA); +static int da9210_get_current_limit(struct regulator_dev *rdev); + +static struct regulator_ops da9210_buck_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_current_limit = da9210_set_current_limit, + .get_current_limit = da9210_get_current_limit, +}; + +/* Default limits measured in millivolts and milliamps */ +#define DA9210_MIN_MV 300 +#define DA9210_MAX_MV 1570 +#define DA9210_STEP_MV 10 + +/* Current limits for buck (uA) indices corresponds with register values */ +static const int da9210_buck_limits[] = { + 1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000, + 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000 +}; + +static const struct regulator_desc da9210_reg = { + .name = "DA9210", + .id = 0, + .ops = &da9210_buck_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = ((DA9210_MAX_MV - DA9210_MIN_MV) / DA9210_STEP_MV) + 1, + .min_uV = (DA9210_MIN_MV * 1000), + .uV_step = (DA9210_STEP_MV * 1000), + .vsel_reg = DA9210_REG_VBUCK_A, + .vsel_mask = DA9210_VBUCK_MASK, + .enable_reg = DA9210_REG_BUCK_CONT, + .enable_mask = DA9210_BUCK_EN, + .owner = THIS_MODULE, +}; + +static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA, + int max_uA) +{ + struct da9210 *chip = rdev_get_drvdata(rdev); + unsigned int sel; + int i; + + /* search for closest to maximum */ + for (i = ARRAY_SIZE(da9210_buck_limits)-1; i >= 0; i--) { + if (min_uA <= da9210_buck_limits[i] && + max_uA >= da9210_buck_limits[i]) { + sel = i; + sel = sel << DA9210_BUCK_ILIM_SHIFT; + return regmap_update_bits(chip->regmap, + DA9210_REG_BUCK_ILIM, + DA9210_BUCK_ILIM_MASK, sel); + } + } + + return -EINVAL; +} + +static int da9210_get_current_limit(struct regulator_dev *rdev) +{ + struct da9210 *chip = rdev_get_drvdata(rdev); + unsigned int data; + unsigned int sel; + int ret; + + ret = regmap_read(chip->regmap, DA9210_REG_BUCK_ILIM, &data); + if (ret < 0) + return ret; + + /* select one of 16 values: 0000 (1600mA) to 1111 (4600mA) */ + sel = (data & DA9210_BUCK_ILIM_MASK) >> DA9210_BUCK_ILIM_SHIFT; + + return da9210_buck_limits[sel]; +} + +/* + * I2C driver interface functions + */ +static int da9210_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct da9210 *chip; + struct da9210_pdata *pdata = i2c->dev.platform_data; + struct regulator_dev *rdev = NULL; + struct regulator_config config = { }; + int error; + + chip = devm_kzalloc(&i2c->dev, sizeof(struct da9210), GFP_KERNEL); + if (NULL == chip) { + dev_err(&i2c->dev, + "Cannot kzalloc memory for regulator structure\n"); + return -ENOMEM; + } + + chip->regmap = devm_regmap_init_i2c(i2c, &da9210_regmap_config); + if (IS_ERR(chip->regmap)) { + error = PTR_ERR(chip->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + error); + return error; + } + + config.dev = &i2c->dev; + if (pdata) + config.init_data = &pdata->da9210_constraints; + config.driver_data = chip; + config.regmap = chip->regmap; + + rdev = regulator_register(&da9210_reg, &config); + if (IS_ERR(rdev)) { + dev_err(&i2c->dev, "Failed to register DA9210 regulator\n"); + return PTR_ERR(rdev); + } + + chip->rdev = rdev; + + i2c_set_clientdata(i2c, chip); + + return 0; +} + +static int da9210_i2c_remove(struct i2c_client *i2c) +{ + struct da9210 *chip = i2c_get_clientdata(i2c); + regulator_unregister(chip->rdev); + return 0; +} + +static const struct i2c_device_id da9210_i2c_id[] = { + {"da9210", 0}, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, da9210_i2c_id); + +static struct i2c_driver da9210_regulator_driver = { + .driver = { + .name = "da9210", + .owner = THIS_MODULE, + }, + .probe = da9210_i2c_probe, + .remove = da9210_i2c_remove, + .id_table = da9210_i2c_id, +}; + +module_i2c_driver(da9210_regulator_driver); + +MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>"); +MODULE_DESCRIPTION("Regulator device driver for Dialog DA9210"); +MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/da9210-regulator.h b/drivers/regulator/da9210-regulator.h new file mode 100644 index 0000000..749c550 --- /dev/null +++ b/drivers/regulator/da9210-regulator.h
@@ -0,0 +1,288 @@ + +/* + * da9210-regulator.h - Regulator definitions for DA9210 + * Copyright (C) 2013 Dialog Semiconductor Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef __DA9210_REGISTERS_H__ +#define __DA9210_REGISTERS_H__ + +struct da9210_pdata { + struct regulator_init_data da9210_constraints; +}; + +/* Page selection */ +#define DA9210_REG_PAGE_CON 0x00 + +/* System Control and Event Registers */ +#define DA9210_REG_STATUS_A 0x50 +#define DA9210_REG_STATUS_B 0x51 +#define DA9210_REG_EVENT_A 0x52 +#define DA9210_REG_EVENT_B 0x53 +#define DA9210_REG_MASK_A 0x54 +#define DA9210_REG_MASK_B 0x55 +#define DA9210_REG_CONTROL_A 0x56 + +/* GPIO Control Registers */ +#define DA9210_REG_GPIO_0_1 0x58 +#define DA9210_REG_GPIO_2_3 0x59 +#define DA9210_REG_GPIO_4_5 0x5A +#define DA9210_REG_GPIO_6 0x5B + +/* Regulator Registers */ +#define DA9210_REG_BUCK_CONT 0x5D +#define DA9210_REG_BUCK_ILIM 0xD0 +#define DA9210_REG_BUCK_CONF1 0xD1 +#define DA9210_REG_BUCK_CONF2 0xD2 +#define DA9210_REG_VBACK_AUTO 0xD4 +#define DA9210_REG_VBACK_BASE 0xD5 +#define DA9210_REG_VBACK_MAX_DVC_IF 0xD6 +#define DA9210_REG_VBACK_DVC 0xD7 +#define DA9210_REG_VBUCK_A 0xD8 +#define DA9210_REG_VBUCK_B 0xD9 + +/* I2C Interface Settings */ +#define DA9210_REG_INTERFACE 0x105 + +/* OTP */ +#define DA9210_REG_OPT_COUNT 0x140 +#define DA9210_REG_OPT_ADDR 0x141 +#define DA9210_REG_OPT_DATA 0x142 + +/* Customer Trim and Configuration */ +#define DA9210_REG_CONFIG_A 0x143 +#define DA9210_REG_CONFIG_B 0x144 +#define DA9210_REG_CONFIG_C 0x145 +#define DA9210_REG_CONFIG_D 0x146 +#define DA9210_REG_CONFIG_E 0x147 + + +/* + * Registers bits + */ +/* DA9210_REG_PAGE_CON (addr=0x00) */ +#define DA9210_PEG_PAGE_SHIFT 0 +#define DA9210_REG_PAGE_MASK 0x0F +/* On I2C registers 0x00 - 0xFF */ +#define DA9210_REG_PAGE0 0 +/* On I2C registers 0x100 - 0x1FF */ +#define DA9210_REG_PAGE2 2 +#define DA9210_PAGE_WRITE_MODE 0x00 +#define DA9210_REPEAT_WRITE_MODE 0x40 +#define DA9210_PAGE_REVERT 0x80 + +/* DA9210_REG_STATUS_A (addr=0x50) */ +#define DA9210_GPI0 0x01 +#define DA9210_GPI1 0x02 +#define DA9210_GPI2 0x04 +#define DA9210_GPI3 0x08 +#define DA9210_GPI4 0x10 +#define DA9210_GPI5 0x20 +#define DA9210_GPI6 0x40 + +/* DA9210_REG_EVENT_A (addr=0x52) */ +#define DA9210_E_GPI0 0x01 +#define DA9210_E_GPI1 0x02 +#define DA9210_E_GPI2 0x04 +#define DA9210_E_GPI3 0x08 +#define DA9210_E_GPI4 0x10 +#define DA9210_E_GPI5 0x20 +#define DA9210_E_GPI6 0x40 + +/* DA9210_REG_EVENT_B (addr=0x53) */ +#define DA9210_E_OVCURR 0x01 +#define DA9210_E_NPWRGOOD 0x02 +#define DA9210_E_TEMP_WARN 0x04 +#define DA9210_E_TEMP_CRIT 0x08 +#define DA9210_E_VMAX 0x10 + +/* DA9210_REG_MASK_A (addr=0x54) */ +#define DA9210_M_GPI0 0x01 +#define DA9210_M_GPI1 0x02 +#define DA9210_M_GPI2 0x04 +#define DA9210_M_GPI3 0x08 +#define DA9210_M_GPI4 0x10 +#define DA9210_M_GPI5 0x20 +#define DA9210_M_GPI6 0x40 + +/* DA9210_REG_MASK_B (addr=0x55) */ +#define DA9210_M_OVCURR 0x01 +#define DA9210_M_NPWRGOOD 0x02 +#define DA9210_M_TEMP_WARN 0x04 +#define DA9210_M_TEMP_CRIT 0x08 +#define DA9210_M_VMAX 0x10 + +/* DA9210_REG_CONTROL_A (addr=0x56) */ +#define DA9210_DEBOUNCING_SHIFT 0 +#define DA9210_DEBOUNCING_MASK 0x07 +#define DA9210_SLEW_RATE_SHIFT 3 +#define DA9210_SLEW_RATE_MASK 0x18 +#define DA9210_V_LOCK 0x20 + +/* DA9210_REG_GPIO_0_1 (addr=0x58) */ +#define DA9210_GPIO0_PIN_SHIFT 0 +#define DA9210_GPIO0_PIN_MASK 0x03 +#define DA9210_GPIO0_PIN_GPI 0x00 +#define DA9210_GPIO0_PIN_GPO_OD 0x02 +#define DA9210_GPIO0_PIN_GPO 0x03 +#define DA9210_GPIO0_TYPE 0x04 +#define DA9210_GPIO0_TYPE_GPI 0x00 +#define DA9210_GPIO0_TYPE_GPO 0x04 +#define DA9210_GPIO0_MODE 0x08 +#define DA9210_GPIO1_PIN_SHIFT 4 +#define DA9210_GPIO1_PIN_MASK 0x30 +#define DA9210_GPIO1_PIN_GPI 0x00 +#define DA9210_GPIO1_PIN_VERROR 0x10 +#define DA9210_GPIO1_PIN_GPO_OD 0x20 +#define DA9210_GPIO1_PIN_GPO 0x30 +#define DA9210_GPIO1_TYPE_SHIFT 0x40 +#define DA9210_GPIO1_TYPE_GPI 0x00 +#define DA9210_GPIO1_TYPE_GPO 0x40 +#define DA9210_GPIO1_MODE 0x80 + +/* DA9210_REG_GPIO_2_3 (addr=0x59) */ +#define DA9210_GPIO2_PIN_SHIFT 0 +#define DA9210_GPIO2_PIN_MASK 0x03 +#define DA9210_GPIO2_PIN_GPI 0x00 +#define DA9210_GPIO5_PIN_BUCK_CLK 0x10 +#define DA9210_GPIO2_PIN_GPO_OD 0x02 +#define DA9210_GPIO2_PIN_GPO 0x03 +#define DA9210_GPIO2_TYPE 0x04 +#define DA9210_GPIO2_TYPE_GPI 0x00 +#define DA9210_GPIO2_TYPE_GPO 0x04 +#define DA9210_GPIO2_MODE 0x08 +#define DA9210_GPIO3_PIN_SHIFT 4 +#define DA9210_GPIO3_PIN_MASK 0x30 +#define DA9210_GPIO3_PIN_GPI 0x00 +#define DA9210_GPIO3_PIN_IERROR 0x10 +#define DA9210_GPIO3_PIN_GPO_OD 0x20 +#define DA9210_GPIO3_PIN_GPO 0x30 +#define DA9210_GPIO3_TYPE_SHIFT 0x40 +#define DA9210_GPIO3_TYPE_GPI 0x00 +#define DA9210_GPIO3_TYPE_GPO 0x40 +#define DA9210_GPIO3_MODE 0x80 + +/* DA9210_REG_GPIO_4_5 (addr=0x5A) */ +#define DA9210_GPIO4_PIN_SHIFT 0 +#define DA9210_GPIO4_PIN_MASK 0x03 +#define DA9210_GPIO4_PIN_GPI 0x00 +#define DA9210_GPIO4_PIN_GPO_OD 0x02 +#define DA9210_GPIO4_PIN_GPO 0x03 +#define DA9210_GPIO4_TYPE 0x04 +#define DA9210_GPIO4_TYPE_GPI 0x00 +#define DA9210_GPIO4_TYPE_GPO 0x04 +#define DA9210_GPIO4_MODE 0x08 +#define DA9210_GPIO5_PIN_SHIFT 4 +#define DA9210_GPIO5_PIN_MASK 0x30 +#define DA9210_GPIO5_PIN_GPI 0x00 +#define DA9210_GPIO5_PIN_INTERFACE 0x01 +#define DA9210_GPIO5_PIN_GPO_OD 0x20 +#define DA9210_GPIO5_PIN_GPO 0x30 +#define DA9210_GPIO5_TYPE_SHIFT 0x40 +#define DA9210_GPIO5_TYPE_GPI 0x00 +#define DA9210_GPIO5_TYPE_GPO 0x40 +#define DA9210_GPIO5_MODE 0x80 + +/* DA9210_REG_GPIO_6 (addr=0x5B) */ +#define DA9210_GPIO6_PIN_SHIFT 0 +#define DA9210_GPIO6_PIN_MASK 0x03 +#define DA9210_GPIO6_PIN_GPI 0x00 +#define DA9210_GPIO6_PIN_INTERFACE 0x01 +#define DA9210_GPIO6_PIN_GPO_OD 0x02 +#define DA9210_GPIO6_PIN_GPO 0x03 +#define DA9210_GPIO6_TYPE 0x04 +#define DA9210_GPIO6_TYPE_GPI 0x00 +#define DA9210_GPIO6_TYPE_GPO 0x04 +#define DA9210_GPIO6_MODE 0x08 + +/* DA9210_REG_BUCK_CONT (addr=0x5D) */ +#define DA9210_BUCK_EN 0x01 +#define DA9210_BUCK_GPI_SHIFT 1 +#define DA9210_BUCK_GPI_MASK 0x06 +#define DA9210_BUCK_GPI_OFF 0x00 +#define DA9210_BUCK_GPI_GPIO0 0x02 +#define DA9210_BUCK_GPI_GPIO3 0x04 +#define DA9210_BUCK_GPI_GPIO4 0x06 +#define DA9210_BUCK_PD_DIS 0x08 +#define DA9210_VBUCK_SEL 0x10 +#define DA9210_VBUCK_SEL_A 0x00 +#define DA9210_VBUCK_SEL_B 0x10 +#define DA9210_VBUCK_GPI_SHIFT 5 +#define DA9210_VBUCK_GPI_MASK 0x60 +#define DA9210_VBUCK_GPI_OFF 0x00 +#define DA9210_VBUCK_GPI_GPIO0 0x20 +#define DA9210_VBUCK_GPI_GPIO3 0x40 +#define DA9210_VBUCK_GPI_GPIO4 0x60 +#define DA9210_DVC_CTRL_EN 0x80 + +/* DA9210_REG_BUCK_ILIM (addr=0xD0) */ +#define DA9210_BUCK_ILIM_SHIFT 0 +#define DA9210_BUCK_ILIM_MASK 0x0F +#define DA9210_BUCK_IALARM 0x10 + +/* DA9210_REG_BUCK_CONF1 (addr=0xD1) */ +#define DA9210_BUCK_MODE_SHIFT 0 +#define DA9210_BUCK_MODE_MASK 0x03 +#define DA9210_BUCK_MODE_MANUAL 0x00 +#define DA9210_BUCK_MODE_SLEEP 0x01 +#define DA9210_BUCK_MODE_SYNC 0x02 +#define DA9210_BUCK_MODE_AUTO 0x03 +#define DA9210_STARTUP_CTRL_SHIFT 2 +#define DA9210_STARTUP_CTRL_MASK 0x1C +#define DA9210_PWR_DOWN_CTRL_SHIFT 5 +#define DA9210_PWR_DOWN_CTRL_MASK 0xE0 + +/* DA9210_REG_BUCK_CONF2 (addr=0xD2) */ +#define DA9210_PHASE_SEL_SHIFT 0 +#define DA9210_PHASE_SEL_MASK 0x03 +#define DA9210_FREQ_SEL 0x40 + +/* DA9210_REG_BUCK_AUTO (addr=0xD4) */ +#define DA9210_VBUCK_AUTO_SHIFT 0 +#define DA9210_VBUCK_AUTO_MASK 0x7F + +/* DA9210_REG_BUCK_BASE (addr=0xD5) */ +#define DA9210_VBUCK_BASE_SHIFT 0 +#define DA9210_VBUCK_BASE_MASK 0x7F + +/* DA9210_REG_VBUCK_MAX_DVC_IF (addr=0xD6) */ +#define DA9210_VBUCK_MAX_SHIFT 0 +#define DA9210_VBUCK_MAX_MASK 0x7F +#define DA9210_DVC_STEP_SIZE 0x80 +#define DA9210_DVC_STEP_SIZE_10MV 0x00 +#define DA9210_DVC_STEP_SIZE_20MV 0x80 + +/* DA9210_REG_VBUCK_DVC (addr=0xD7) */ +#define DA9210_VBUCK_DVC_SHIFT 0 +#define DA9210_VBUCK_DVC_MASK 0x7F + +/* DA9210_REG_VBUCK_A/B (addr=0xD8/0xD9) */ +#define DA9210_VBUCK_SHIFT 0 +#define DA9210_VBUCK_MASK 0x7F +#define DA9210_VBUCK_BIAS 0 +#define DA9210_BUCK_SL 0x80 + +/* DA9210_REG_INTERFACE (addr=0x105) */ +#define DA9210_IF_BASE_ADDR_SHIFT 4 +#define DA9210_IF_BASE_ADDR_MASK 0xF0 + +/* DA9210_REG_CONFIG_E (addr=0x147) */ +#define DA9210_STAND_ALONE 0x01 + +#endif /* __DA9210_REGISTERS_H__ */ +
diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c index f0e1ae5..a32b442 100644 --- a/drivers/regulator/fan53555.c +++ b/drivers/regulator/fan53555.c
@@ -237,7 +237,7 @@ unsigned int val; int ret; - pdata = client->dev.platform_data; + pdata = dev_get_platdata(&client->dev); if (!pdata || !pdata->regulator) { dev_err(&client->dev, "Platform data not found!\n"); return -ENODEV;
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index e5c03b5..7610920 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c
@@ -146,7 +146,7 @@ if (IS_ERR(config)) return PTR_ERR(config); } else { - config = pdev->dev.platform_data; + config = dev_get_platdata(&pdev->dev); } if (!config)
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c index 9d39eb4..98a98ff 100644 --- a/drivers/regulator/gpio-regulator.c +++ b/drivers/regulator/gpio-regulator.c
@@ -219,7 +219,7 @@ static int gpio_regulator_probe(struct platform_device *pdev) { - struct gpio_regulator_config *config = pdev->dev.platform_data; + struct gpio_regulator_config *config = dev_get_platdata(&pdev->dev); struct device_node *np = pdev->dev.of_node; struct gpio_regulator_data *drvdata; struct regulator_config cfg = { };
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c new file mode 100644 index 0000000..6e30df1 --- /dev/null +++ b/drivers/regulator/helpers.c
@@ -0,0 +1,447 @@ +/* + * helpers.c -- Voltage/Current Regulator framework helper functions. + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * Copyright 2008 SlimLogic Ltd. + * + * 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. + * + */ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/regulator/driver.h> +#include <linux/module.h> + +/** + * regulator_is_enabled_regmap - standard is_enabled() for regmap users + * + * @rdev: regulator to operate on + * + * Regulators that use regmap for their register I/O can set the + * enable_reg and enable_mask fields in their descriptor and then use + * this as their is_enabled operation, saving some code. + */ +int regulator_is_enabled_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); + if (ret != 0) + return ret; + + if (rdev->desc->enable_is_inverted) + return (val & rdev->desc->enable_mask) == 0; + else + return (val & rdev->desc->enable_mask) != 0; +} +EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap); + +/** + * regulator_enable_regmap - standard enable() for regmap users + * + * @rdev: regulator to operate on + * + * Regulators that use regmap for their register I/O can set the + * enable_reg and enable_mask fields in their descriptor and then use + * this as their enable() operation, saving some code. + */ +int regulator_enable_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + + if (rdev->desc->enable_is_inverted) + val = 0; + else + val = rdev->desc->enable_mask; + + return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, + rdev->desc->enable_mask, val); +} +EXPORT_SYMBOL_GPL(regulator_enable_regmap); + +/** + * regulator_disable_regmap - standard disable() for regmap users + * + * @rdev: regulator to operate on + * + * Regulators that use regmap for their register I/O can set the + * enable_reg and enable_mask fields in their descriptor and then use + * this as their disable() operation, saving some code. + */ +int regulator_disable_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + + if (rdev->desc->enable_is_inverted) + val = rdev->desc->enable_mask; + else + val = 0; + + return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, + rdev->desc->enable_mask, val); +} +EXPORT_SYMBOL_GPL(regulator_disable_regmap); + +/** + * regulator_get_voltage_sel_regmap - standard get_voltage_sel for regmap users + * + * @rdev: regulator to operate on + * + * Regulators that use regmap for their register I/O can set the + * vsel_reg and vsel_mask fields in their descriptor and then use this + * as their get_voltage_vsel operation, saving some code. + */ +int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); + if (ret != 0) + return ret; + + val &= rdev->desc->vsel_mask; + val >>= ffs(rdev->desc->vsel_mask) - 1; + + return val; +} +EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_regmap); + +/** + * regulator_set_voltage_sel_regmap - standard set_voltage_sel for regmap users + * + * @rdev: regulator to operate on + * @sel: Selector to set + * + * Regulators that use regmap for their register I/O can set the + * vsel_reg and vsel_mask fields in their descriptor and then use this + * as their set_voltage_vsel operation, saving some code. + */ +int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel) +{ + int ret; + + sel <<= ffs(rdev->desc->vsel_mask) - 1; + + ret = regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg, + rdev->desc->vsel_mask, sel); + if (ret) + return ret; + + if (rdev->desc->apply_bit) + ret = regmap_update_bits(rdev->regmap, rdev->desc->apply_reg, + rdev->desc->apply_bit, + rdev->desc->apply_bit); + return ret; +} +EXPORT_SYMBOL_GPL(regulator_set_voltage_sel_regmap); + +/** + * regulator_map_voltage_iterate - map_voltage() based on list_voltage() + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers implementing set_voltage_sel() and list_voltage() can use + * this as their map_voltage() operation. It will find a suitable + * voltage by calling list_voltage() until it gets something in bounds + * for the requested voltages. + */ +int regulator_map_voltage_iterate(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + int best_val = INT_MAX; + int selector = 0; + int i, ret; + + /* Find the smallest voltage that falls within the specified + * range. + */ + for (i = 0; i < rdev->desc->n_voltages; i++) { + ret = rdev->desc->ops->list_voltage(rdev, i); + if (ret < 0) + continue; + + if (ret < best_val && ret >= min_uV && ret <= max_uV) { + best_val = ret; + selector = i; + } + } + + if (best_val != INT_MAX) + return selector; + else + return -EINVAL; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_iterate); + +/** + * regulator_map_voltage_ascend - map_voltage() for ascendant voltage list + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers that have ascendant voltage list can use this as their + * map_voltage() operation. + */ +int regulator_map_voltage_ascend(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + int i, ret; + + for (i = 0; i < rdev->desc->n_voltages; i++) { + ret = rdev->desc->ops->list_voltage(rdev, i); + if (ret < 0) + continue; + + if (ret > max_uV) + break; + + if (ret >= min_uV && ret <= max_uV) + return i; + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_ascend); + +/** + * regulator_map_voltage_linear - map_voltage() for simple linear mappings + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers providing min_uV and uV_step in their regulator_desc can + * use this as their map_voltage() operation. + */ +int regulator_map_voltage_linear(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + int ret, voltage; + + /* Allow uV_step to be 0 for fixed voltage */ + if (rdev->desc->n_voltages == 1 && rdev->desc->uV_step == 0) { + if (min_uV <= rdev->desc->min_uV && rdev->desc->min_uV <= max_uV) + return 0; + else + return -EINVAL; + } + + if (!rdev->desc->uV_step) { + BUG_ON(!rdev->desc->uV_step); + return -EINVAL; + } + + if (min_uV < rdev->desc->min_uV) + min_uV = rdev->desc->min_uV; + + ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step); + if (ret < 0) + return ret; + + ret += rdev->desc->linear_min_sel; + + /* Map back into a voltage to verify we're still in bounds */ + voltage = rdev->desc->ops->list_voltage(rdev, ret); + if (voltage < min_uV || voltage > max_uV) + return -EINVAL; + + return ret; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_linear); + +/** + * regulator_map_voltage_linear - map_voltage() for multiple linear ranges + * + * @rdev: Regulator to operate on + * @min_uV: Lower bound for voltage + * @max_uV: Upper bound for voltage + * + * Drivers providing linear_ranges in their descriptor can use this as + * their map_voltage() callback. + */ +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + const struct regulator_linear_range *range; + int ret = -EINVAL; + int voltage, i; + + if (!rdev->desc->n_linear_ranges) { + BUG_ON(!rdev->desc->n_linear_ranges); + return -EINVAL; + } + + for (i = 0; i < rdev->desc->n_linear_ranges; i++) { + range = &rdev->desc->linear_ranges[i]; + + if (!(min_uV <= range->max_uV && max_uV >= range->min_uV)) + continue; + + if (min_uV <= range->min_uV) + min_uV = range->min_uV; + + /* range->uV_step == 0 means fixed voltage range */ + if (range->uV_step == 0) { + ret = 0; + } else { + ret = DIV_ROUND_UP(min_uV - range->min_uV, + range->uV_step); + if (ret < 0) + return ret; + } + + ret += range->min_sel; + + break; + } + + if (i == rdev->desc->n_linear_ranges) + return -EINVAL; + + /* Map back into a voltage to verify we're still in bounds */ + voltage = rdev->desc->ops->list_voltage(rdev, ret); + if (voltage < min_uV || voltage > max_uV) + return -EINVAL; + + return ret; +} +EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range); + +/** + * regulator_list_voltage_linear - List voltages with simple calculation + * + * @rdev: Regulator device + * @selector: Selector to convert into a voltage + * + * Regulators with a simple linear mapping between voltages and + * selectors can set min_uV and uV_step in the regulator descriptor + * and then use this function as their list_voltage() operation, + */ +int regulator_list_voltage_linear(struct regulator_dev *rdev, + unsigned int selector) +{ + if (selector >= rdev->desc->n_voltages) + return -EINVAL; + if (selector < rdev->desc->linear_min_sel) + return 0; + + selector -= rdev->desc->linear_min_sel; + + return rdev->desc->min_uV + (rdev->desc->uV_step * selector); +} +EXPORT_SYMBOL_GPL(regulator_list_voltage_linear); + +/** + * regulator_list_voltage_linear_range - List voltages for linear ranges + * + * @rdev: Regulator device + * @selector: Selector to convert into a voltage + * + * Regulators with a series of simple linear mappings between voltages + * and selectors can set linear_ranges in the regulator descriptor and + * then use this function as their list_voltage() operation, + */ +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector) +{ + const struct regulator_linear_range *range; + int i; + + if (!rdev->desc->n_linear_ranges) { + BUG_ON(!rdev->desc->n_linear_ranges); + return -EINVAL; + } + + for (i = 0; i < rdev->desc->n_linear_ranges; i++) { + range = &rdev->desc->linear_ranges[i]; + + if (!(selector >= range->min_sel && + selector <= range->max_sel)) + continue; + + selector -= range->min_sel; + + return range->min_uV + (range->uV_step * selector); + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(regulator_list_voltage_linear_range); + +/** + * regulator_list_voltage_table - List voltages with table based mapping + * + * @rdev: Regulator device + * @selector: Selector to convert into a voltage + * + * Regulators with table based mapping between voltages and + * selectors can set volt_table in the regulator descriptor + * and then use this function as their list_voltage() operation. + */ +int regulator_list_voltage_table(struct regulator_dev *rdev, + unsigned int selector) +{ + if (!rdev->desc->volt_table) { + BUG_ON(!rdev->desc->volt_table); + return -EINVAL; + } + + if (selector >= rdev->desc->n_voltages) + return -EINVAL; + + return rdev->desc->volt_table[selector]; +} +EXPORT_SYMBOL_GPL(regulator_list_voltage_table); + +/** + * regulator_set_bypass_regmap - Default set_bypass() using regmap + * + * @rdev: device to operate on. + * @enable: state to set. + */ +int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable) +{ + unsigned int val; + + if (enable) + val = rdev->desc->bypass_mask; + else + val = 0; + + return regmap_update_bits(rdev->regmap, rdev->desc->bypass_reg, + rdev->desc->bypass_mask, val); +} +EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap); + +/** + * regulator_get_bypass_regmap - Default get_bypass() using regmap + * + * @rdev: device to operate on. + * @enable: current state. + */ +int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable) +{ + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, rdev->desc->bypass_reg, &val); + if (ret != 0) + return ret; + + *enable = val & rdev->desc->bypass_mask; + + return 0; +} +EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c index b99c49b..88c1a3a 100644 --- a/drivers/regulator/isl6271a-regulator.c +++ b/drivers/regulator/isl6271a-regulator.c
@@ -110,7 +110,7 @@ const struct i2c_device_id *id) { struct regulator_config config = { }; - struct regulator_init_data *init_data = i2c->dev.platform_data; + struct regulator_init_data *init_data = dev_get_platdata(&i2c->dev); struct isl_pmic *pmic; int err, i;
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 3809b43..5a4604e 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c
@@ -425,7 +425,7 @@ const struct i2c_device_id *id) { struct lp3971 *lp3971; - struct lp3971_platform_data *pdata = i2c->dev.platform_data; + struct lp3971_platform_data *pdata = dev_get_platdata(&i2c->dev); int ret; u16 val;
diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c index 5730240..093e6f4 100644 --- a/drivers/regulator/lp3972.c +++ b/drivers/regulator/lp3972.c
@@ -519,7 +519,7 @@ const struct i2c_device_id *id) { struct lp3972 *lp3972; - struct lp3972_platform_data *pdata = i2c->dev.platform_data; + struct lp3972_platform_data *pdata = dev_get_platdata(&i2c->dev); int ret; u16 val;
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c index b16336b..2b84b72 100644 --- a/drivers/regulator/lp872x.c +++ b/drivers/regulator/lp872x.c
@@ -373,7 +373,7 @@ return -EINVAL; } - for (i = ARRAY_SIZE(lp8725_buck_uA) - 1 ; i >= 0; i--) { + for (i = ARRAY_SIZE(lp8725_buck_uA) - 1; i >= 0; i--) { if (lp8725_buck_uA[i] >= min_uA && lp8725_buck_uA[i] <= max_uA) return lp872x_update_bits(lp, addr, @@ -787,7 +787,7 @@ struct regulator_dev *rdev; int i, ret; - for (i = 0 ; i < lp->num_regulators ; i++) { + for (i = 0; i < lp->num_regulators; i++) { desc = (lp->chipid == LP8720) ? &lp8720_regulator_desc[i] : &lp8725_regulator_desc[i]; @@ -820,7 +820,7 @@ struct regulator_dev *rdev; int i; - for (i = 0 ; i < lp->num_regulators ; i++) { + for (i = 0; i < lp->num_regulators; i++) { rdev = *(lp->regulators + i); regulator_unregister(rdev); } @@ -907,7 +907,8 @@ goto out; for (i = 0; i < num_matches; i++) { - pdata->regulator_data[i].id = (int)match[i].driver_data; + pdata->regulator_data[i].id = + (enum lp872x_regulator_id)match[i].driver_data; pdata->regulator_data[i].init_data = match[i].init_data; /* Operation mode configuration for buck/buck1/buck2 */ @@ -961,7 +962,7 @@ } lp->dev = &cl->dev; - lp->pdata = cl->dev.platform_data; + lp->pdata = dev_get_platdata(&cl->dev); lp->chipid = id->driver_data; lp->num_regulators = num_regulators; i2c_set_clientdata(cl, lp);
diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c index d9e38b4..785a25e 100644 --- a/drivers/regulator/lp8755.c +++ b/drivers/regulator/lp8755.c
@@ -228,6 +228,7 @@ } static struct regulator_ops lp8755_buck_ops = { + .map_voltage = regulator_map_voltage_linear, .list_voltage = regulator_list_voltage_linear, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, @@ -449,7 +450,7 @@ { int ret, icnt; struct lp8755_chip *pchip; - struct lp8755_platform_data *pdata = client->dev.platform_data; + struct lp8755_platform_data *pdata = dev_get_platdata(&client->dev); if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { dev_err(&client->dev, "i2c functionality check fail.\n");
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 54af610..3a599ee 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c
@@ -163,7 +163,7 @@ const struct i2c_device_id *i2c_id) { struct regulator_dev **rdev; - struct max1586_platform_data *pdata = client->dev.platform_data; + struct max1586_platform_data *pdata = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct max1586_data *max1586; int i, id, ret = -ENOMEM;
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c index db6c9be..19c6f08 100644 --- a/drivers/regulator/max8649.c +++ b/drivers/regulator/max8649.c
@@ -152,7 +152,7 @@ static int max8649_regulator_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct max8649_platform_data *pdata = client->dev.platform_data; + struct max8649_platform_data *pdata = dev_get_platdata(&client->dev); struct max8649_regulator_info *info = NULL; struct regulator_config config = { }; unsigned int val;
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index d428ef9..144bcac 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c
@@ -44,6 +44,9 @@ #include <linux/regulator/driver.h> #include <linux/slab.h> #include <linux/regulator/max8660.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/of_regulator.h> #define MAX8660_DCDC_MIN_UV 725000 #define MAX8660_DCDC_MAX_UV 1800000 @@ -305,21 +308,105 @@ }, }; +enum { + MAX8660 = 0, + MAX8661 = 1, +}; + +#ifdef CONFIG_OF +static const struct of_device_id max8660_dt_ids[] = { + { .compatible = "maxim,max8660", .data = (void *) MAX8660 }, + { .compatible = "maxim,max8661", .data = (void *) MAX8661 }, + { } +}; +MODULE_DEVICE_TABLE(of, max8660_dt_ids); + +static int max8660_pdata_from_dt(struct device *dev, + struct device_node **of_node, + struct max8660_platform_data *pdata) +{ + int matched, i; + struct device_node *np; + struct max8660_subdev_data *sub; + struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)]; + + np = of_find_node_by_name(dev->of_node, "regulators"); + if (!np) { + dev_err(dev, "missing 'regulators' subnode in DT\n"); + return -EINVAL; + } + + for (i = 0; i < ARRAY_SIZE(rmatch); i++) + rmatch[i].name = max8660_reg[i].name; + + matched = of_regulator_match(dev, np, rmatch, ARRAY_SIZE(rmatch)); + if (matched <= 0) + return matched; + + pdata->subdevs = devm_kzalloc(dev, sizeof(struct max8660_subdev_data) * + matched, GFP_KERNEL); + if (!pdata->subdevs) + return -ENOMEM; + + pdata->num_subdevs = matched; + sub = pdata->subdevs; + + for (i = 0; i < matched; i++) { + sub->id = i; + sub->name = rmatch[i].name; + sub->platform_data = rmatch[i].init_data; + of_node[i] = rmatch[i].of_node; + sub++; + } + + return 0; +} +#else +static inline int max8660_pdata_from_dt(struct device *dev, + struct device_node **of_node, + struct max8660_platform_data *pdata) +{ + return 0; +} +#endif + static int max8660_probe(struct i2c_client *client, const struct i2c_device_id *i2c_id) { struct regulator_dev **rdev; - struct max8660_platform_data *pdata = client->dev.platform_data; + struct device *dev = &client->dev; + struct max8660_platform_data *pdata = dev_get_platdata(dev); struct regulator_config config = { }; struct max8660 *max8660; int boot_on, i, id, ret = -EINVAL; + struct device_node *of_node[MAX8660_V_END]; + unsigned long type; + + if (dev->of_node && !pdata) { + const struct of_device_id *id; + struct max8660_platform_data pdata_of; + + id = of_match_device(of_match_ptr(max8660_dt_ids), dev); + if (!id) + return -ENODEV; + + ret = max8660_pdata_from_dt(dev, of_node, &pdata_of); + if (ret < 0) + return ret; + + pdata = &pdata_of; + type = (unsigned long) id->data; + } else { + type = i2c_id->driver_data; + memset(of_node, 0, sizeof(of_node)); + } if (pdata->num_subdevs > MAX8660_V_END) { - dev_err(&client->dev, "Too many regulators found!\n"); + dev_err(dev, "Too many regulators found!\n"); return -EINVAL; } - max8660 = devm_kzalloc(&client->dev, sizeof(struct max8660) + + max8660 = devm_kzalloc(dev, sizeof(struct max8660) + sizeof(struct regulator_dev *) * MAX8660_V_END, GFP_KERNEL); if (!max8660) @@ -376,8 +463,8 @@ break; case MAX8660_V7: - if (!strcmp(i2c_id->name, "max8661")) { - dev_err(&client->dev, "Regulator not on this chip!\n"); + if (type == MAX8661) { + dev_err(dev, "Regulator not on this chip!\n"); goto err_out; } @@ -386,7 +473,7 @@ break; default: - dev_err(&client->dev, "invalid regulator %s\n", + dev_err(dev, "invalid regulator %s\n", pdata->subdevs[i].name); goto err_out; } @@ -397,14 +484,15 @@ id = pdata->subdevs[i].id; - config.dev = &client->dev; + config.dev = dev; config.init_data = pdata->subdevs[i].platform_data; + config.of_node = of_node[i]; config.driver_data = max8660; rdev[i] = regulator_register(&max8660_reg[id], &config); if (IS_ERR(rdev[i])) { ret = PTR_ERR(rdev[i]); - dev_err(&client->dev, "failed to register %s\n", + dev_err(dev, "failed to register %s\n", max8660_reg[id].name); goto err_unregister; } @@ -431,8 +519,8 @@ } static const struct i2c_device_id max8660_id[] = { - { "max8660", 0 }, - { "max8661", 0 }, + { .name = "max8660", .driver_data = MAX8660 }, + { .name = "max8661", .driver_data = MAX8661 }, { } }; MODULE_DEVICE_TABLE(i2c, max8660_id);
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c index e6d54a5..d80b5fa 100644 --- a/drivers/regulator/max8925-regulator.c +++ b/drivers/regulator/max8925-regulator.c
@@ -277,7 +277,7 @@ static int max8925_regulator_probe(struct platform_device *pdev) { struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct regulator_init_data *pdata = pdev->dev.platform_data; + struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev); struct regulator_config config = { }; struct max8925_regulator_info *ri; struct resource *res;
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c index 5259c2f..788e5ae 100644 --- a/drivers/regulator/max8952.c +++ b/drivers/regulator/max8952.c
@@ -196,7 +196,7 @@ const struct i2c_device_id *i2c_id) { struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); - struct max8952_platform_data *pdata = client->dev.platform_data; + struct max8952_platform_data *pdata = dev_get_platdata(&client->dev); struct regulator_config config = { }; struct max8952_data *max8952;
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 0c5195a..5b77ab7 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c
@@ -371,7 +371,7 @@ struct max8973_chip *max; int ret; - pdata = client->dev.platform_data; + pdata = dev_get_platdata(&client->dev); if (!pdata && !client->dev.of_node) { dev_err(&client->dev, "No Platform data");
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index f3c8f8f..7827384 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c
@@ -21,6 +21,7 @@ { const __be32 *min_uV, *max_uV, *uV_offset; const __be32 *min_uA, *max_uA, *ramp_delay; + struct property *prop; struct regulation_constraints *constraints = &(*init_data)->constraints; constraints->name = of_get_property(np, "regulator-name", NULL); @@ -64,9 +65,14 @@ if (of_property_read_bool(np, "regulator-allow-bypass")) constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS; - ramp_delay = of_get_property(np, "regulator-ramp-delay", NULL); - if (ramp_delay) - constraints->ramp_delay = be32_to_cpu(*ramp_delay); + prop = of_find_property(np, "regulator-ramp-delay", NULL); + if (prop && prop->value) { + ramp_delay = prop->value; + if (*ramp_delay) + constraints->ramp_delay = be32_to_cpu(*ramp_delay); + else + constraints->ramp_disable = true; + } } /**
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index d0c8785..488dfe7 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c
@@ -97,11 +97,16 @@ .ctrl_addr = PALMAS_SMPS9_CTRL, }, { - .name = "SMPS10", + .name = "SMPS10_OUT2", .sname = "smps10-in", .ctrl_addr = PALMAS_SMPS10_CTRL, }, { + .name = "SMPS10_OUT1", + .sname = "smps10-out2", + .ctrl_addr = PALMAS_SMPS10_CTRL, + }, + { .name = "LDO1", .sname = "ldo1-in", .vsel_addr = PALMAS_LDO1_VOLTAGE, @@ -487,6 +492,8 @@ .set_voltage_sel = regulator_set_voltage_sel_regmap, .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, + .set_bypass = regulator_set_bypass_regmap, + .get_bypass = regulator_get_bypass_regmap, }; static int palmas_is_enabled_ldo(struct regulator_dev *dev) @@ -538,7 +545,8 @@ return ret; switch (id) { - case PALMAS_REG_SMPS10: + case PALMAS_REG_SMPS10_OUT1: + case PALMAS_REG_SMPS10_OUT2: reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK; if (reg_init->mode_sleep) reg |= reg_init->mode_sleep << @@ -681,7 +689,8 @@ { .name = "smps7", }, { .name = "smps8", }, { .name = "smps9", }, - { .name = "smps10", }, + { .name = "smps10_out2", }, + { .name = "smps10_out1", }, { .name = "ldo1", }, { .name = "ldo2", }, { .name = "ldo3", }, @@ -765,7 +774,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) { struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); - struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data; + struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); struct device_node *node = pdev->dev.of_node; struct regulator_dev *rdev; struct regulator_config config = { }; @@ -838,7 +847,8 @@ continue; ramp_delay_support = true; break; - case PALMAS_REG_SMPS10: + case PALMAS_REG_SMPS10_OUT1: + case PALMAS_REG_SMPS10_OUT2: if (!PALMAS_PMIC_HAS(palmas, SMPS10_BOOST)) continue; } @@ -872,7 +882,8 @@ pmic->desc[id].id = id; switch (id) { - case PALMAS_REG_SMPS10: + case PALMAS_REG_SMPS10_OUT1: + case PALMAS_REG_SMPS10_OUT2: pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; pmic->desc[id].ops = &palmas_ops_smps10; pmic->desc[id].vsel_reg = @@ -882,7 +893,14 @@ pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL); - pmic->desc[id].enable_mask = SMPS10_BOOST_EN; + if (id == PALMAS_REG_SMPS10_OUT1) + pmic->desc[id].enable_mask = SMPS10_SWITCH_EN; + else + pmic->desc[id].enable_mask = SMPS10_BOOST_EN; + pmic->desc[id].bypass_reg = + PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, + PALMAS_SMPS10_CTRL); + pmic->desc[id].bypass_mask = SMPS10_BYPASS_EN; pmic->desc[id].min_uV = 3750000; pmic->desc[id].uV_step = 1250000; break;
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c index 1a73a29..b49eaee 100644 --- a/drivers/regulator/pcap-regulator.c +++ b/drivers/regulator/pcap-regulator.c
@@ -243,7 +243,7 @@ struct regulator_config config = { }; config.dev = &pdev->dev; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = pcap; rdev = regulator_register(&pcap_regulators[pdev->id], &config);
diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c index 54df9f7..0f3576d 100644 --- a/drivers/regulator/pcf50633-regulator.c +++ b/drivers/regulator/pcf50633-regulator.c
@@ -86,7 +86,7 @@ pcf = dev_to_pcf50633(pdev->dev.parent); config.dev = &pdev->dev; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = pcf; config.regmap = pcf->regmap;
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c new file mode 100644 index 0000000..ba67b2c --- /dev/null +++ b/drivers/regulator/pfuze100-regulator.c
@@ -0,0 +1,445 @@ +/* + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. 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. 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/err.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/of_regulator.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/pfuze100.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/regmap.h> + +#define PFUZE_NUMREGS 128 +#define PFUZE100_VOL_OFFSET 0 +#define PFUZE100_STANDBY_OFFSET 1 +#define PFUZE100_MODE_OFFSET 3 +#define PFUZE100_CONF_OFFSET 4 + +#define PFUZE100_DEVICEID 0x0 +#define PFUZE100_REVID 0x3 +#define PFUZE100_FABID 0x3 + +#define PFUZE100_SW1ABVOL 0x20 +#define PFUZE100_SW1CVOL 0x2e +#define PFUZE100_SW2VOL 0x35 +#define PFUZE100_SW3AVOL 0x3c +#define PFUZE100_SW3BVOL 0x43 +#define PFUZE100_SW4VOL 0x4a +#define PFUZE100_SWBSTCON1 0x66 +#define PFUZE100_VREFDDRCON 0x6a +#define PFUZE100_VSNVSVOL 0x6b +#define PFUZE100_VGEN1VOL 0x6c +#define PFUZE100_VGEN2VOL 0x6d +#define PFUZE100_VGEN3VOL 0x6e +#define PFUZE100_VGEN4VOL 0x6f +#define PFUZE100_VGEN5VOL 0x70 +#define PFUZE100_VGEN6VOL 0x71 + +struct pfuze_regulator { + struct regulator_desc desc; + unsigned char stby_reg; + unsigned char stby_mask; +}; + +struct pfuze_chip { + struct regmap *regmap; + struct device *dev; + struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR]; + struct regulator_dev *regulators[PFUZE100_MAX_REGULATOR]; +}; + +static const int pfuze100_swbst[] = { + 5000000, 5050000, 5100000, 5150000, +}; + +static const int pfuze100_vsnvs[] = { + 1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000, +}; + +static const struct i2c_device_id pfuze_device_id[] = { + {.name = "pfuze100"}, + {}, +}; +MODULE_DEVICE_TABLE(i2c, pfuze_device_id); + +static const struct of_device_id pfuze_dt_ids[] = { + { .compatible = "fsl,pfuze100" }, + {}, +}; +MODULE_DEVICE_TABLE(of, pfuze_dt_ids); + +static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) +{ + struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev); + int id = rdev->desc->id; + unsigned int ramp_bits; + int ret; + + if (id < PFUZE100_SWBST) { + ramp_delay = 12500 / ramp_delay; + ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3); + ret = regmap_update_bits(pfuze100->regmap, + rdev->desc->vsel_reg + 4, + 0xc0, ramp_bits << 6); + if (ret < 0) + dev_err(pfuze100->dev, "ramp failed, err %d\n", ret); + } else + ret = -EACCES; + + return ret; +} + +static struct regulator_ops pfuze100_ldo_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, +}; + +static struct regulator_ops pfuze100_fixed_regulator_ops = { + .list_voltage = regulator_list_voltage_linear, +}; + +static struct regulator_ops pfuze100_sw_regulator_ops = { + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_ramp_delay = pfuze100_set_ramp_delay, +}; + +static struct regulator_ops pfuze100_swb_regulator_ops = { + .list_voltage = regulator_list_voltage_table, + .map_voltage = regulator_map_voltage_ascend, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + +}; + +#define PFUZE100_FIXED_REG(_name, base, voltage) \ + [PFUZE100_ ## _name] = { \ + .desc = { \ + .name = #_name, \ + .n_voltages = 1, \ + .ops = &pfuze100_fixed_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PFUZE100_ ## _name, \ + .owner = THIS_MODULE, \ + .min_uV = (voltage), \ + .enable_reg = (base), \ + .enable_mask = 0x10, \ + }, \ + } + +#define PFUZE100_SW_REG(_name, base, min, max, step) \ + [PFUZE100_ ## _name] = { \ + .desc = { \ + .name = #_name,\ + .n_voltages = ((max) - (min)) / (step) + 1, \ + .ops = &pfuze100_sw_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PFUZE100_ ## _name, \ + .owner = THIS_MODULE, \ + .min_uV = (min), \ + .uV_step = (step), \ + .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ + .vsel_mask = 0x3f, \ + }, \ + .stby_reg = (base) + PFUZE100_STANDBY_OFFSET, \ + .stby_mask = 0x3f, \ + } + +#define PFUZE100_SWB_REG(_name, base, mask, voltages) \ + [PFUZE100_ ## _name] = { \ + .desc = { \ + .name = #_name, \ + .n_voltages = ARRAY_SIZE(voltages), \ + .ops = &pfuze100_swb_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PFUZE100_ ## _name, \ + .owner = THIS_MODULE, \ + .volt_table = voltages, \ + .vsel_reg = (base), \ + .vsel_mask = (mask), \ + }, \ + } + +#define PFUZE100_VGEN_REG(_name, base, min, max, step) \ + [PFUZE100_ ## _name] = { \ + .desc = { \ + .name = #_name, \ + .n_voltages = ((max) - (min)) / (step) + 1, \ + .ops = &pfuze100_ldo_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = PFUZE100_ ## _name, \ + .owner = THIS_MODULE, \ + .min_uV = (min), \ + .uV_step = (step), \ + .vsel_reg = (base), \ + .vsel_mask = 0xf, \ + .enable_reg = (base), \ + .enable_mask = 0x10, \ + }, \ + .stby_reg = (base), \ + .stby_mask = 0x20, \ + } + +static struct pfuze_regulator pfuze100_regulators[] = { + PFUZE100_SW_REG(SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000), + PFUZE100_SW_REG(SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000), + PFUZE100_SW_REG(SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000), + PFUZE100_SW_REG(SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000), + PFUZE100_SW_REG(SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000), + PFUZE100_SW_REG(SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000), + PFUZE100_SWB_REG(SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst), + PFUZE100_SWB_REG(VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs), + PFUZE100_FIXED_REG(VREFDDR, PFUZE100_VREFDDRCON, 750000), + PFUZE100_VGEN_REG(VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000), + PFUZE100_VGEN_REG(VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000), + PFUZE100_VGEN_REG(VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000), + PFUZE100_VGEN_REG(VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000), + PFUZE100_VGEN_REG(VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000), + PFUZE100_VGEN_REG(VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000), +}; + +#ifdef CONFIG_OF +static struct of_regulator_match pfuze100_matches[] = { + { .name = "sw1ab", }, + { .name = "sw1c", }, + { .name = "sw2", }, + { .name = "sw3a", }, + { .name = "sw3b", }, + { .name = "sw4", }, + { .name = "swbst", }, + { .name = "vsnvs", }, + { .name = "vrefddr", }, + { .name = "vgen1", }, + { .name = "vgen2", }, + { .name = "vgen3", }, + { .name = "vgen4", }, + { .name = "vgen5", }, + { .name = "vgen6", }, +}; + +static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) +{ + struct device *dev = chip->dev; + struct device_node *np, *parent; + int ret; + + np = of_node_get(dev->parent->of_node); + if (!np) + return 0; + + parent = of_find_node_by_name(np, "regulators"); + if (!parent) { + dev_err(dev, "regulators node not found\n"); + return -EINVAL; + } + + ret = of_regulator_match(dev, parent, pfuze100_matches, + ARRAY_SIZE(pfuze100_matches)); + + of_node_put(parent); + if (ret < 0) { + dev_err(dev, "Error parsing regulator init data: %d\n", + ret); + return ret; + } + + return 0; +} + +static inline struct regulator_init_data *match_init_data(int index) +{ + return pfuze100_matches[index].init_data; +} + +static inline struct device_node *match_of_node(int index) +{ + return pfuze100_matches[index].of_node; +} +#else +static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) +{ + return 0; +} + +static inline struct regulator_init_data *match_init_data(int index) +{ + return NULL; +} + +static inline struct device_node *match_of_node(int index) +{ + return NULL; +} +#endif + +static int pfuze_identify(struct pfuze_chip *pfuze_chip) +{ + unsigned int value; + int ret; + + ret = regmap_read(pfuze_chip->regmap, PFUZE100_DEVICEID, &value); + if (ret) + return ret; + + if (value & 0x0f) { + dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); + return -ENODEV; + } + + ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value); + if (ret) + return ret; + dev_info(pfuze_chip->dev, + "Full lay: %x, Metal lay: %x\n", + (value & 0xf0) >> 4, value & 0x0f); + + ret = regmap_read(pfuze_chip->regmap, PFUZE100_FABID, &value); + if (ret) + return ret; + dev_info(pfuze_chip->dev, "FAB: %x, FIN: %x\n", + (value & 0xc) >> 2, value & 0x3); + + return 0; +} + +static const struct regmap_config pfuze_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = PFUZE_NUMREGS - 1, + .cache_type = REGCACHE_RBTREE, +}; + +static int pfuze100_regulator_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct pfuze_chip *pfuze_chip; + struct pfuze_regulator_platform_data *pdata = + dev_get_platdata(&client->dev); + struct regulator_config config = { }; + int i, ret; + + pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip), + GFP_KERNEL); + if (!pfuze_chip) + return -ENOMEM; + + i2c_set_clientdata(client, pfuze_chip); + + memcpy(pfuze_chip->regulator_descs, pfuze100_regulators, + sizeof(pfuze_chip->regulator_descs)); + + pfuze_chip->dev = &client->dev; + + pfuze_chip->regmap = devm_regmap_init_i2c(client, &pfuze_regmap_config); + if (IS_ERR(pfuze_chip->regmap)) { + ret = PTR_ERR(pfuze_chip->regmap); + dev_err(&client->dev, + "regmap allocation failed with err %d\n", ret); + return ret; + } + + ret = pfuze_identify(pfuze_chip); + if (ret) { + dev_err(&client->dev, "unrecognized pfuze chip ID!\n"); + return ret; + } + + ret = pfuze_parse_regulators_dt(pfuze_chip); + if (ret) + return ret; + + for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) { + struct regulator_init_data *init_data; + struct regulator_desc *desc; + int val; + + desc = &pfuze_chip->regulator_descs[i].desc; + + if (pdata) + init_data = pdata->init_data[i]; + else + init_data = match_init_data(i); + + /* SW2~SW4 high bit check and modify the voltage value table */ + if (i > PFUZE100_SW1C && i < PFUZE100_SWBST) { + regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val); + if (val & 0x40) { + desc->min_uV = 800000; + desc->uV_step = 50000; + desc->n_voltages = 51; + } + } + + config.dev = &client->dev; + config.init_data = init_data; + config.driver_data = pfuze_chip; + config.of_node = match_of_node(i); + + pfuze_chip->regulators[i] = regulator_register(desc, &config); + if (IS_ERR(pfuze_chip->regulators[i])) { + dev_err(&client->dev, "register regulator%s failed\n", + pfuze100_regulators[i].desc.name); + ret = PTR_ERR(pfuze_chip->regulators[i]); + while (--i >= 0) + regulator_unregister(pfuze_chip->regulators[i]); + return ret; + } + } + + return 0; +} + +static int pfuze100_regulator_remove(struct i2c_client *client) +{ + int i; + struct pfuze_chip *pfuze_chip = i2c_get_clientdata(client); + + for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) + regulator_unregister(pfuze_chip->regulators[i]); + + return 0; +} + +static struct i2c_driver pfuze_driver = { + .id_table = pfuze_device_id, + .driver = { + .name = "pfuze100-regulator", + .owner = THIS_MODULE, + .of_match_table = pfuze_dt_ids, + }, + .probe = pfuze100_regulator_probe, + .remove = pfuze100_regulator_remove, +}; +module_i2c_driver(pfuze_driver); + +MODULE_AUTHOR("Robin Gong <b38343@freescale.com>"); +MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100 PMIC"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("i2c:pfuze100-regulator");
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 2f62564..5eba2ff 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c
@@ -16,12 +16,17 @@ #include <linux/gpio.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/of_regulator.h> #include <linux/mfd/samsung/core.h> #include <linux/mfd/samsung/s2mps11.h> +#define S2MPS11_REGULATOR_CNT ARRAY_SIZE(regulators) + struct s2mps11_info { struct regulator_dev *rdev[S2MPS11_REGULATOR_MAX]; @@ -31,11 +36,6 @@ int ramp_delay16; int ramp_delay7810; int ramp_delay9; - - bool buck6_ramp; - bool buck2_ramp; - bool buck3_ramp; - bool buck4_ramp; }; static int get_ramp_delay(int ramp_delay) @@ -50,9 +50,171 @@ break; cnt++; } + + if (cnt > 3) + cnt = 3; + return cnt; } +static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int old_selector, + unsigned int new_selector) +{ + struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); + unsigned int ramp_delay = 0; + int old_volt, new_volt; + + switch (rdev->desc->id) { + case S2MPS11_BUCK2: + ramp_delay = s2mps11->ramp_delay2; + break; + case S2MPS11_BUCK3: + ramp_delay = s2mps11->ramp_delay34; + break; + case S2MPS11_BUCK4: + ramp_delay = s2mps11->ramp_delay34; + break; + case S2MPS11_BUCK5: + ramp_delay = s2mps11->ramp_delay5; + break; + case S2MPS11_BUCK6: + case S2MPS11_BUCK1: + ramp_delay = s2mps11->ramp_delay16; + break; + case S2MPS11_BUCK7: + case S2MPS11_BUCK8: + case S2MPS11_BUCK10: + ramp_delay = s2mps11->ramp_delay7810; + break; + case S2MPS11_BUCK9: + ramp_delay = s2mps11->ramp_delay9; + } + + if (ramp_delay == 0) + ramp_delay = rdev->desc->ramp_delay; + + old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector); + new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector); + + return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay); +} + +static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) +{ + struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev); + unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK; + unsigned int ramp_enable = 1, enable_shift = 0; + int ret; + + switch (rdev->desc->id) { + case S2MPS11_BUCK1: + if (ramp_delay > s2mps11->ramp_delay16) + s2mps11->ramp_delay16 = ramp_delay; + else + ramp_delay = s2mps11->ramp_delay16; + + ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; + break; + case S2MPS11_BUCK2: + enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT; + if (!ramp_delay) { + ramp_enable = 0; + break; + } + + s2mps11->ramp_delay2 = ramp_delay; + ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT; + ramp_reg = S2MPS11_REG_RAMP; + break; + case S2MPS11_BUCK3: + enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT; + if (!ramp_delay) { + ramp_enable = 0; + break; + } + + if (ramp_delay > s2mps11->ramp_delay34) + s2mps11->ramp_delay34 = ramp_delay; + else + ramp_delay = s2mps11->ramp_delay34; + + ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; + ramp_reg = S2MPS11_REG_RAMP; + break; + case S2MPS11_BUCK4: + enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT; + if (!ramp_delay) { + ramp_enable = 0; + break; + } + + if (ramp_delay > s2mps11->ramp_delay34) + s2mps11->ramp_delay34 = ramp_delay; + else + ramp_delay = s2mps11->ramp_delay34; + + ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT; + ramp_reg = S2MPS11_REG_RAMP; + break; + case S2MPS11_BUCK5: + s2mps11->ramp_delay5 = ramp_delay; + ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT; + break; + case S2MPS11_BUCK6: + enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT; + if (!ramp_delay) { + ramp_enable = 0; + break; + } + + if (ramp_delay > s2mps11->ramp_delay16) + s2mps11->ramp_delay16 = ramp_delay; + else + ramp_delay = s2mps11->ramp_delay16; + + ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT; + break; + case S2MPS11_BUCK7: + case S2MPS11_BUCK8: + case S2MPS11_BUCK10: + if (ramp_delay > s2mps11->ramp_delay7810) + s2mps11->ramp_delay7810 = ramp_delay; + else + ramp_delay = s2mps11->ramp_delay7810; + + ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT; + break; + case S2MPS11_BUCK9: + s2mps11->ramp_delay9 = ramp_delay; + ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT; + break; + default: + return 0; + } + + if (!ramp_enable) + goto ramp_disable; + + if (enable_shift) { + ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, + 1 << enable_shift, 1 << enable_shift); + if (ret) { + dev_err(&rdev->dev, "failed to enable ramp rate\n"); + return ret; + } + } + + ramp_val = get_ramp_delay(ramp_delay); + + return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift, + ramp_val << ramp_shift); + +ramp_disable: + return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP, + 1 << enable_shift, 0); +} + static struct regulator_ops s2mps11_ldo_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, @@ -72,7 +234,8 @@ .disable = regulator_disable_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel, + .set_ramp_delay = s2mps11_set_ramp_delay, }; #define regulator_desc_ldo1(num) { \ @@ -239,59 +402,51 @@ { struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct sec_platform_data *pdata = dev_get_platdata(iodev->dev); + struct of_regulator_match rdata[S2MPS11_REGULATOR_MAX]; + struct device_node *reg_np = NULL; struct regulator_config config = { }; struct s2mps11_info *s2mps11; int i, ret; - unsigned char ramp_enable, ramp_reg = 0; - - if (!pdata) { - dev_err(pdev->dev.parent, "Platform data not supplied\n"); - return -ENODEV; - } s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info), GFP_KERNEL); if (!s2mps11) return -ENOMEM; - platform_set_drvdata(pdev, s2mps11); - - s2mps11->ramp_delay2 = pdata->buck2_ramp_delay; - s2mps11->ramp_delay34 = pdata->buck34_ramp_delay; - s2mps11->ramp_delay5 = pdata->buck5_ramp_delay; - s2mps11->ramp_delay16 = pdata->buck16_ramp_delay; - s2mps11->ramp_delay7810 = pdata->buck7810_ramp_delay; - s2mps11->ramp_delay9 = pdata->buck9_ramp_delay; - - s2mps11->buck6_ramp = pdata->buck6_ramp_enable; - s2mps11->buck2_ramp = pdata->buck2_ramp_enable; - s2mps11->buck3_ramp = pdata->buck3_ramp_enable; - s2mps11->buck4_ramp = pdata->buck4_ramp_enable; - - ramp_enable = (s2mps11->buck2_ramp << 3) | (s2mps11->buck3_ramp << 2) | - (s2mps11->buck4_ramp << 1) | s2mps11->buck6_ramp ; - - if (ramp_enable) { - if (s2mps11->buck2_ramp) - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay2) << 6; - if (s2mps11->buck3_ramp || s2mps11->buck4_ramp) - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay34) << 4; - sec_reg_write(iodev, S2MPS11_REG_RAMP, ramp_reg | ramp_enable); + if (!iodev->dev->of_node) { + if (pdata) { + goto common_reg; + } else { + dev_err(pdev->dev.parent, + "Platform data or DT node not supplied\n"); + return -ENODEV; + } } - ramp_reg &= 0x00; - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay5) << 6; - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay16) << 4; - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay7810) << 2; - ramp_reg |= get_ramp_delay(s2mps11->ramp_delay9); - sec_reg_write(iodev, S2MPS11_REG_RAMP_BUCK, ramp_reg); + for (i = 0; i < S2MPS11_REGULATOR_CNT; i++) + rdata[i].name = regulators[i].name; + reg_np = of_find_node_by_name(iodev->dev->of_node, "regulators"); + if (!reg_np) { + dev_err(&pdev->dev, "could not find regulators sub-node\n"); + return -EINVAL; + } + + of_regulator_match(&pdev->dev, reg_np, rdata, S2MPS11_REGULATOR_MAX); + +common_reg: + platform_set_drvdata(pdev, s2mps11); + + config.dev = &pdev->dev; + config.regmap = iodev->regmap; + config.driver_data = s2mps11; for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) { - - config.dev = &pdev->dev; - config.regmap = iodev->regmap; - config.init_data = pdata->regulators[i].initdata; - config.driver_data = s2mps11; + if (!reg_np) { + config.init_data = pdata->regulators[i].initdata; + } else { + config.init_data = rdata[i].init_data; + config.of_node = rdata[i].of_node; + } s2mps11->rdev[i] = regulator_register(®ulators[i], &config); if (IS_ERR(s2mps11->rdev[i])) {
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index 6e67be7..9392a7c 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c
@@ -275,7 +275,7 @@ } } - pdata = client->dev.platform_data; + pdata = dev_get_platdata(&client->dev); if (!pdata && client->dev.of_node) pdata = of_get_tps51632_platform_data(&client->dev); if (!pdata) {
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c index a490d5b..0b7ebb1 100644 --- a/drivers/regulator/tps62360-regulator.c +++ b/drivers/regulator/tps62360-regulator.c
@@ -350,7 +350,7 @@ int i; int chip_id; - pdata = client->dev.platform_data; + pdata = dev_get_platdata(&client->dev); if (client->dev.of_node) { const struct of_device_id *match;
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c index 9d053e2..a15263d 100644 --- a/drivers/regulator/tps65023-regulator.c +++ b/drivers/regulator/tps65023-regulator.c
@@ -218,7 +218,7 @@ * init_data points to array of regulator_init structures * coming from the board-evm file. */ - init_data = client->dev.platform_data; + init_data = dev_get_platdata(&client->dev); if (!init_data) return -EIO;
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 2df4616..90861d6 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c
@@ -27,7 +27,7 @@ #include <linux/regulator/machine.h> #include <linux/mfd/tps65217.h> -#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t) \ +#define TPS65217_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _em, _t, _lr, _nlr) \ { \ .name = _name, \ .id = _id, \ @@ -40,17 +40,10 @@ .enable_reg = TPS65217_REG_ENABLE, \ .enable_mask = _em, \ .volt_table = _t, \ + .linear_ranges = _lr, \ + .n_linear_ranges = _nlr, \ } \ -#define TPS65217_INFO(_nm, _min, _max, _f1, _f2) \ - { \ - .name = _nm, \ - .min_uV = _min, \ - .max_uV = _max, \ - .vsel_to_uv = _f1, \ - .uv_to_vsel = _f2, \ - } - static const unsigned int LDO1_VSEL_table[] = { 1000000, 1100000, 1200000, 1250000, 1300000, 1350000, 1400000, 1500000, @@ -58,88 +51,26 @@ 2800000, 3000000, 3100000, 3300000, }; -static int tps65217_vsel_to_uv1(unsigned int vsel) -{ - int uV = 0; +static const struct regulator_linear_range tps65217_uv1_ranges[] = { + { .min_uV = 900000, .max_uV = 1500000, .min_sel = 0, .max_sel = 24, + .uV_step = 25000 }, + { .min_uV = 1550000, .max_uV = 1800000, .min_sel = 25, .max_sel = 30, + .uV_step = 50000 }, + { .min_uV = 1850000, .max_uV = 2900000, .min_sel = 31, .max_sel = 52, + .uV_step = 50000 }, + { .min_uV = 3000000, .max_uV = 3200000, .min_sel = 53, .max_sel = 55, + .uV_step = 100000 }, + { .min_uV = 3300000, .max_uV = 3300000, .min_sel = 56, .max_sel = 62, + .uV_step = 0 }, +}; - if (vsel > 63) - return -EINVAL; - - if (vsel <= 24) - uV = vsel * 25000 + 900000; - else if (vsel <= 52) - uV = (vsel - 24) * 50000 + 1500000; - else if (vsel < 56) - uV = (vsel - 52) * 100000 + 2900000; - else - uV = 3300000; - - return uV; -} - -static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel) -{ - if (uV < 0 || uV > 3300000) - return -EINVAL; - - if (uV <= 1500000) - *vsel = DIV_ROUND_UP(uV - 900000, 25000); - else if (uV <= 2900000) - *vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000); - else if (uV < 3300000) - *vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000); - else - *vsel = 56; - - return 0; -} - -static int tps65217_vsel_to_uv2(unsigned int vsel) -{ - int uV = 0; - - if (vsel > 31) - return -EINVAL; - - if (vsel <= 8) - uV = vsel * 50000 + 1500000; - else if (vsel <= 13) - uV = (vsel - 8) * 100000 + 1900000; - else - uV = (vsel - 13) * 50000 + 2400000; - - return uV; -} - -static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel) -{ - if (uV < 0 || uV > 3300000) - return -EINVAL; - - if (uV <= 1900000) - *vsel = DIV_ROUND_UP(uV - 1500000, 50000); - else if (uV <= 2400000) - *vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000); - else - *vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000); - - return 0; -} - -static struct tps_info tps65217_pmic_regs[] = { - TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1, - tps65217_uv_to_vsel1), - TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1, - tps65217_uv_to_vsel1), - TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1, - tps65217_uv_to_vsel1), - TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL), - TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1, - tps65217_uv_to_vsel1), - TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2, - tps65217_uv_to_vsel2), - TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2, - tps65217_uv_to_vsel2), +static const struct regulator_linear_range tps65217_uv2_ranges[] = { + { .min_uV = 1500000, .max_uV = 1900000, .min_sel = 0, .max_sel = 8, + .uV_step = 50000 }, + { .min_uV = 2000000, .max_uV = 2400000, .min_sel = 9, .max_sel = 13, + .uV_step = 100000 }, + { .min_uV = 2450000, .max_uV = 3300000, .min_sel = 14, .max_sel = 31, + .uV_step = 50000 }, }; static int tps65217_pmic_enable(struct regulator_dev *dev) @@ -192,49 +123,6 @@ return ret; } -static int tps65217_pmic_map_voltage(struct regulator_dev *dev, - int min_uV, int max_uV) -{ - - struct tps65217 *tps = rdev_get_drvdata(dev); - unsigned int sel, rid = rdev_get_id(dev); - int ret; - - /* LDO1 uses regulator_map_voltage_iterate() */ - if (rid == TPS65217_LDO_1) - return -EINVAL; - - if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) - return -EINVAL; - - if (min_uV < tps->info[rid]->min_uV) - min_uV = tps->info[rid]->min_uV; - - if (max_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV) - return -EINVAL; - - ret = tps->info[rid]->uv_to_vsel(min_uV, &sel); - if (ret) - return ret; - - return sel; -} - -static int tps65217_pmic_list_voltage(struct regulator_dev *dev, - unsigned selector) -{ - struct tps65217 *tps = rdev_get_drvdata(dev); - unsigned int rid = rdev_get_id(dev); - - if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4) - return -EINVAL; - - if (selector >= dev->desc->n_voltages) - return -EINVAL; - - return tps->info[rid]->vsel_to_uv(selector); -} - /* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */ static struct regulator_ops tps65217_pmic_ops = { .is_enabled = regulator_is_enabled_regmap, @@ -242,8 +130,8 @@ .disable = tps65217_pmic_disable, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = tps65217_pmic_set_voltage_sel, - .list_voltage = tps65217_pmic_list_voltage, - .map_voltage = tps65217_pmic_map_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, }; /* Operations permitted on LDO1 */ @@ -259,27 +147,33 @@ static const struct regulator_desc regulators[] = { TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK, - TPS65217_ENABLE_DC1_EN, NULL), + TPS65217_ENABLE_DC1_EN, NULL, tps65217_uv1_ranges, + 2), /* DCDC1 voltage range: 900000 ~ 1800000 */ TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK, - TPS65217_ENABLE_DC2_EN, NULL), + TPS65217_ENABLE_DC2_EN, NULL, tps65217_uv1_ranges, + ARRAY_SIZE(tps65217_uv1_ranges)), TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK, - TPS65217_ENABLE_DC3_EN, NULL), + TPS65217_ENABLE_DC3_EN, NULL, tps65217_uv1_ranges, + 1), /* DCDC3 voltage range: 900000 ~ 1500000 */ TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1, TPS65217_DEFLDO1_LDO1_MASK, - TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table), + TPS65217_ENABLE_LDO1_EN, LDO1_VSEL_table, NULL, 0), TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64, TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK, - TPS65217_ENABLE_LDO2_EN, NULL), + TPS65217_ENABLE_LDO2_EN, NULL, tps65217_uv1_ranges, + ARRAY_SIZE(tps65217_uv1_ranges)), TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32, TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK, TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN, - NULL), + NULL, tps65217_uv2_ranges, + ARRAY_SIZE(tps65217_uv2_ranges)), TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32, TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK, TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN, - NULL), + NULL, tps65217_uv2_ranges, + ARRAY_SIZE(tps65217_uv2_ranges)), }; #ifdef CONFIG_OF @@ -368,8 +262,6 @@ continue; /* Register the regulators */ - tps->info[i] = &tps65217_pmic_regs[i]; - config.dev = tps->dev; config.init_data = reg_data; config.driver_data = tps;
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c index 1094393..62e8d28 100644 --- a/drivers/regulator/tps6524x-regulator.c +++ b/drivers/regulator/tps6524x-regulator.c
@@ -601,7 +601,7 @@ struct regulator_config config = { }; int ret = 0, i; - init_data = dev->platform_data; + init_data = dev_get_platdata(dev); if (!init_data) { dev_err(dev, "could not find regulator platform data\n"); return -EINVAL;
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 93bc4f4..78aae4c 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c
@@ -1108,7 +1108,7 @@ drvdata = NULL; } else { id = pdev->id; - initdata = pdev->dev.platform_data; + initdata = dev_get_platdata(&pdev->dev); for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) { template = twl_of_match[i].data; if (template && template->desc.id == id)
diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c index a7c8deb..765acc1 100644 --- a/drivers/regulator/userspace-consumer.c +++ b/drivers/regulator/userspace-consumer.c
@@ -111,7 +111,7 @@ struct userspace_consumer_data *drvdata; int ret; - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); if (!pdata) return -EINVAL;
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c index a9d4284..f53e78b 100644 --- a/drivers/regulator/virtual.c +++ b/drivers/regulator/virtual.c
@@ -287,7 +287,7 @@ static int regulator_virtual_probe(struct platform_device *pdev) { - char *reg_id = pdev->dev.platform_data; + char *reg_id = dev_get_platdata(&pdev->dev); struct virtual_consumer_data *drvdata; int ret;
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 46938cf..11861cb 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c
@@ -451,7 +451,7 @@ static int wm831x_buckv_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id; struct wm831x_dcdc *dcdc; @@ -624,7 +624,7 @@ static int wm831x_buckp_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id; struct wm831x_dcdc *dcdc; @@ -770,7 +770,7 @@ static int wm831x_boostp_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id = pdev->id % ARRAY_SIZE(pdata->dcdc); struct wm831x_dcdc *dcdc; @@ -880,7 +880,7 @@ static int wm831x_epe_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id = pdev->id % ARRAY_SIZE(pdata->epe); struct wm831x_dcdc *dcdc;
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c index 16ebdf9..4eb373d 100644 --- a/drivers/regulator/wm831x-isink.c +++ b/drivers/regulator/wm831x-isink.c
@@ -151,7 +151,7 @@ static int wm831x_isink_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct wm831x_isink *isink; int id = pdev->id % ARRAY_SIZE(pdata->isink); struct regulator_config config = { };
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 9ff883f..1432b26 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c
@@ -62,41 +62,12 @@ * General purpose LDOs */ -#define WM831X_GP_LDO_SELECTOR_LOW 0xe -#define WM831X_GP_LDO_MAX_SELECTOR 0x1f - -static int wm831x_gp_ldo_list_voltage(struct regulator_dev *rdev, - unsigned int selector) -{ - /* 0.9-1.6V in 50mV steps */ - if (selector <= WM831X_GP_LDO_SELECTOR_LOW) - return 900000 + (selector * 50000); - /* 1.7-3.3V in 100mV steps */ - if (selector <= WM831X_GP_LDO_MAX_SELECTOR) - return 1600000 + ((selector - WM831X_GP_LDO_SELECTOR_LOW) - * 100000); - return -EINVAL; -} - -static int wm831x_gp_ldo_map_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int volt, vsel; - - if (min_uV < 900000) - vsel = 0; - else if (min_uV < 1700000) - vsel = ((min_uV - 900000) / 50000); - else - vsel = ((min_uV - 1700000) / 100000) - + WM831X_GP_LDO_SELECTOR_LOW + 1; - - volt = wm831x_gp_ldo_list_voltage(rdev, vsel); - if (volt < min_uV || volt > max_uV) - return -EINVAL; - - return vsel; -} +static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = { + { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 14, + .uV_step = 50000 }, + { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, + .uV_step = 100000 }, +}; static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) @@ -105,7 +76,7 @@ struct wm831x *wm831x = ldo->wm831x; int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; - sel = wm831x_gp_ldo_map_voltage(rdev, uV, uV); + sel = regulator_map_voltage_linear_range(rdev, uV, uV); if (sel < 0) return sel; @@ -230,8 +201,8 @@ static struct regulator_ops wm831x_gp_ldo_ops = { - .list_voltage = wm831x_gp_ldo_list_voltage, - .map_voltage = wm831x_gp_ldo_map_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage, @@ -250,7 +221,7 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id; struct wm831x_ldo *ldo; @@ -290,7 +261,7 @@ ldo->desc.id = id; ldo->desc.type = REGULATOR_VOLTAGE; - ldo->desc.n_voltages = WM831X_GP_LDO_MAX_SELECTOR + 1; + ldo->desc.n_voltages = 32; ldo->desc.ops = &wm831x_gp_ldo_ops; ldo->desc.owner = THIS_MODULE; ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL; @@ -299,6 +270,8 @@ ldo->desc.enable_mask = 1 << id; ldo->desc.bypass_reg = ldo->base; ldo->desc.bypass_mask = WM831X_LDO1_SWI; + ldo->desc.linear_ranges = wm831x_gp_ldo_ranges; + ldo->desc.n_linear_ranges = ARRAY_SIZE(wm831x_gp_ldo_ranges); config.dev = pdev->dev.parent; if (pdata) @@ -358,43 +331,12 @@ * Analogue LDOs */ - -#define WM831X_ALDO_SELECTOR_LOW 0xc -#define WM831X_ALDO_MAX_SELECTOR 0x1f - -static int wm831x_aldo_list_voltage(struct regulator_dev *rdev, - unsigned int selector) -{ - /* 1-1.6V in 50mV steps */ - if (selector <= WM831X_ALDO_SELECTOR_LOW) - return 1000000 + (selector * 50000); - /* 1.7-3.5V in 100mV steps */ - if (selector <= WM831X_ALDO_MAX_SELECTOR) - return 1600000 + ((selector - WM831X_ALDO_SELECTOR_LOW) - * 100000); - return -EINVAL; -} - -static int wm831x_aldo_map_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) -{ - int volt, vsel; - - if (min_uV < 1000000) - vsel = 0; - else if (min_uV < 1700000) - vsel = ((min_uV - 1000000) / 50000); - else - vsel = ((min_uV - 1700000) / 100000) - + WM831X_ALDO_SELECTOR_LOW + 1; - - volt = wm831x_aldo_list_voltage(rdev, vsel); - if (volt < min_uV || volt > max_uV) - return -EINVAL; - - return vsel; - -} +static const struct regulator_linear_range wm831x_aldo_ranges[] = { + { .min_uV = 1000000, .max_uV = 1650000, .min_sel = 0, .max_sel = 12, + .uV_step = 50000 }, + { .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31, + .uV_step = 100000 }, +}; static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) @@ -403,7 +345,7 @@ struct wm831x *wm831x = ldo->wm831x; int sel, reg = ldo->base + WM831X_LDO_SLEEP_CONTROL; - sel = wm831x_aldo_map_voltage(rdev, uV, uV); + sel = regulator_map_voltage_linear_range(rdev, uV, uV); if (sel < 0) return sel; @@ -486,8 +428,8 @@ } static struct regulator_ops wm831x_aldo_ops = { - .list_voltage = wm831x_aldo_list_voltage, - .map_voltage = wm831x_aldo_map_voltage, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .set_suspend_voltage = wm831x_aldo_set_suspend_voltage, @@ -505,7 +447,7 @@ static int wm831x_aldo_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id; struct wm831x_ldo *ldo; @@ -545,7 +487,9 @@ ldo->desc.id = id; ldo->desc.type = REGULATOR_VOLTAGE; - ldo->desc.n_voltages = WM831X_ALDO_MAX_SELECTOR + 1; + ldo->desc.n_voltages = 32; + ldo->desc.linear_ranges = wm831x_aldo_ranges; + ldo->desc.n_linear_ranges = ARRAY_SIZE(wm831x_aldo_ranges); ldo->desc.ops = &wm831x_aldo_ops; ldo->desc.owner = THIS_MODULE; ldo->desc.vsel_reg = ldo->base + WM831X_LDO_ON_CONTROL; @@ -661,7 +605,7 @@ static int wm831x_alive_ldo_probe(struct platform_device *pdev) { struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); - struct wm831x_pdata *pdata = wm831x->dev->platform_data; + struct wm831x_pdata *pdata = dev_get_platdata(wm831x->dev); struct regulator_config config = { }; int id; struct wm831x_ldo *ldo;
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 7f0fa22..835b5f0 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c
@@ -542,41 +542,12 @@ return 0; } -static int wm8350_ldo_list_voltage(struct regulator_dev *rdev, - unsigned selector) -{ - if (selector > WM8350_LDO1_VSEL_MASK) - return -EINVAL; - - if (selector < 16) - return (selector * 50000) + 900000; - else - return ((selector - 16) * 100000) + 1800000; -} - -static int wm8350_ldo_map_voltage(struct regulator_dev *rdev, int min_uV, - int max_uV) -{ - int volt, sel; - int min_mV = min_uV / 1000; - int max_mV = max_uV / 1000; - - if (min_mV < 900 || min_mV > 3300) - return -EINVAL; - if (max_mV < 900 || max_mV > 3300) - return -EINVAL; - - if (min_mV < 1800) /* step size is 50mV < 1800mV */ - sel = DIV_ROUND_UP(min_uV - 900, 50); - else /* step size is 100mV > 1800mV */ - sel = DIV_ROUND_UP(min_uV - 1800, 100) + 16; - - volt = wm8350_ldo_list_voltage(rdev, sel); - if (volt < min_uV || volt > max_uV) - return -EINVAL; - - return sel; -} +static const struct regulator_linear_range wm8350_ldo_ranges[] = { + { .min_uV = 900000, .max_uV = 1750000, .min_sel = 0, .max_sel = 15, + .uV_step = 50000 }, + { .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31, + .uV_step = 100000 }, +}; static int wm8350_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) { @@ -603,7 +574,7 @@ return -EINVAL; } - sel = wm8350_ldo_map_voltage(rdev, uV, uV); + sel = regulator_map_voltage_linear_range(rdev, uV, uV); if (sel < 0) return -EINVAL; @@ -998,10 +969,10 @@ }; static struct regulator_ops wm8350_ldo_ops = { - .map_voltage = wm8350_ldo_map_voltage, + .map_voltage = regulator_map_voltage_linear_range, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .list_voltage = wm8350_ldo_list_voltage, + .list_voltage = regulator_list_voltage_linear_range, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, @@ -1108,6 +1079,8 @@ .irq = WM8350_IRQ_UV_LDO1, .type = REGULATOR_VOLTAGE, .n_voltages = WM8350_LDO1_VSEL_MASK + 1, + .linear_ranges = wm8350_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8350_ldo_ranges), .vsel_reg = WM8350_LDO1_CONTROL, .vsel_mask = WM8350_LDO1_VSEL_MASK, .enable_reg = WM8350_DCDC_LDO_REQUESTED, @@ -1121,6 +1094,8 @@ .irq = WM8350_IRQ_UV_LDO2, .type = REGULATOR_VOLTAGE, .n_voltages = WM8350_LDO2_VSEL_MASK + 1, + .linear_ranges = wm8350_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8350_ldo_ranges), .vsel_reg = WM8350_LDO2_CONTROL, .vsel_mask = WM8350_LDO2_VSEL_MASK, .enable_reg = WM8350_DCDC_LDO_REQUESTED, @@ -1134,6 +1109,8 @@ .irq = WM8350_IRQ_UV_LDO3, .type = REGULATOR_VOLTAGE, .n_voltages = WM8350_LDO3_VSEL_MASK + 1, + .linear_ranges = wm8350_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8350_ldo_ranges), .vsel_reg = WM8350_LDO3_CONTROL, .vsel_mask = WM8350_LDO3_VSEL_MASK, .enable_reg = WM8350_DCDC_LDO_REQUESTED, @@ -1147,6 +1124,8 @@ .irq = WM8350_IRQ_UV_LDO4, .type = REGULATOR_VOLTAGE, .n_voltages = WM8350_LDO4_VSEL_MASK + 1, + .linear_ranges = wm8350_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8350_ldo_ranges), .vsel_reg = WM8350_LDO4_CONTROL, .vsel_mask = WM8350_LDO4_VSEL_MASK, .enable_reg = WM8350_DCDC_LDO_REQUESTED, @@ -1222,7 +1201,7 @@ } config.dev = &pdev->dev; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = dev_get_drvdata(&pdev->dev); config.regmap = wm8350->regmap;
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index a09f03e..58f51be 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c
@@ -19,47 +19,21 @@ #include <linux/regulator/driver.h> #include <linux/mfd/wm8400-private.h> -static int wm8400_ldo_list_voltage(struct regulator_dev *dev, - unsigned selector) -{ - if (selector > WM8400_LDO1_VSEL_MASK) - return -EINVAL; - - if (selector < 15) - return 900000 + (selector * 50000); - else - return 1700000 + ((selector - 15) * 100000); -} - -static int wm8400_ldo_map_voltage(struct regulator_dev *dev, - int min_uV, int max_uV) -{ - u16 val; - int volt; - - if (min_uV < 900000 || min_uV > 3300000) - return -EINVAL; - - if (min_uV < 1700000) /* Steps of 50mV from 900mV; */ - val = DIV_ROUND_UP(min_uV - 900000, 50000); - else /* Steps of 100mV from 1700mV */ - val = DIV_ROUND_UP(min_uV - 1700000, 100000) + 15; - - volt = wm8400_ldo_list_voltage(dev, val); - if (volt < min_uV || volt > max_uV) - return -EINVAL; - - return val; -} +static const struct regulator_linear_range wm8400_ldo_ranges[] = { + { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, + .uV_step = 50000 }, + { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, + .uV_step = 100000 }, +}; static struct regulator_ops wm8400_ldo_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, - .list_voltage = wm8400_ldo_list_voltage, + .list_voltage = regulator_list_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, - .map_voltage = wm8400_ldo_map_voltage, + .map_voltage = regulator_map_voltage_linear_range, }; static unsigned int wm8400_dcdc_get_mode(struct regulator_dev *dev) @@ -155,6 +129,8 @@ .enable_reg = WM8400_LDO1_CONTROL, .enable_mask = WM8400_LDO1_ENA, .n_voltages = WM8400_LDO1_VSEL_MASK + 1, + .linear_ranges = wm8400_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8400_ldo_ranges), .vsel_reg = WM8400_LDO1_CONTROL, .vsel_mask = WM8400_LDO1_VSEL_MASK, .type = REGULATOR_VOLTAGE, @@ -167,6 +143,8 @@ .enable_reg = WM8400_LDO2_CONTROL, .enable_mask = WM8400_LDO2_ENA, .n_voltages = WM8400_LDO2_VSEL_MASK + 1, + .linear_ranges = wm8400_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8400_ldo_ranges), .type = REGULATOR_VOLTAGE, .vsel_reg = WM8400_LDO2_CONTROL, .vsel_mask = WM8400_LDO2_VSEL_MASK, @@ -179,6 +157,8 @@ .enable_reg = WM8400_LDO3_CONTROL, .enable_mask = WM8400_LDO3_ENA, .n_voltages = WM8400_LDO3_VSEL_MASK + 1, + .linear_ranges = wm8400_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8400_ldo_ranges), .vsel_reg = WM8400_LDO3_CONTROL, .vsel_mask = WM8400_LDO3_VSEL_MASK, .type = REGULATOR_VOLTAGE, @@ -191,6 +171,8 @@ .enable_reg = WM8400_LDO4_CONTROL, .enable_mask = WM8400_LDO4_ENA, .n_voltages = WM8400_LDO4_VSEL_MASK + 1, + .linear_ranges = wm8400_ldo_ranges, + .n_linear_ranges = ARRAY_SIZE(wm8400_ldo_ranges), .vsel_reg = WM8400_LDO4_CONTROL, .vsel_mask = WM8400_LDO4_VSEL_MASK, .type = REGULATOR_VOLTAGE, @@ -233,7 +215,7 @@ struct regulator_dev *rdev; config.dev = &pdev->dev; - config.init_data = pdev->dev.platform_data; + config.init_data = dev_get_platdata(&pdev->dev); config.driver_data = wm8400; config.regmap = wm8400->regmap;
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c index 8f2a8a7..5ee2a20 100644 --- a/drivers/regulator/wm8994-regulator.c +++ b/drivers/regulator/wm8994-regulator.c
@@ -125,7 +125,7 @@ static int wm8994_ldo_probe(struct platform_device *pdev) { struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent); - struct wm8994_pdata *pdata = wm8994->dev->platform_data; + struct wm8994_pdata *pdata = dev_get_platdata(wm8994->dev); int id = pdev->id % ARRAY_SIZE(pdata->ldo); struct regulator_config config = { }; struct wm8994_ldo *ldo;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 1d4c8fe..c82fe65 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c
@@ -102,10 +102,13 @@ if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_INUSE) zfcp_erp_action_dismiss(&port->erp_action); - else - shost_for_each_device(sdev, port->adapter->scsi_host) + else { + spin_lock(port->adapter->scsi_host->host_lock); + __shost_for_each_device(sdev, port->adapter->scsi_host) if (sdev_to_zfcp(sdev)->port == port) zfcp_erp_action_dismiss_lun(sdev); + spin_unlock(port->adapter->scsi_host->host_lock); + } } static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter) @@ -592,9 +595,11 @@ { struct scsi_device *sdev; - shost_for_each_device(sdev, port->adapter->scsi_host) + spin_lock(port->adapter->scsi_host->host_lock); + __shost_for_each_device(sdev, port->adapter->scsi_host) if (sdev_to_zfcp(sdev)->port == port) _zfcp_erp_lun_reopen(sdev, clear, id, 0); + spin_unlock(port->adapter->scsi_host->host_lock); } static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act) @@ -1434,8 +1439,10 @@ atomic_set_mask(common_mask, &port->status); read_unlock_irqrestore(&adapter->port_list_lock, flags); - shost_for_each_device(sdev, adapter->scsi_host) + spin_lock_irqsave(adapter->scsi_host->host_lock, flags); + __shost_for_each_device(sdev, adapter->scsi_host) atomic_set_mask(common_mask, &sdev_to_zfcp(sdev)->status); + spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags); } /** @@ -1469,11 +1476,13 @@ } read_unlock_irqrestore(&adapter->port_list_lock, flags); - shost_for_each_device(sdev, adapter->scsi_host) { + spin_lock_irqsave(adapter->scsi_host->host_lock, flags); + __shost_for_each_device(sdev, adapter->scsi_host) { atomic_clear_mask(common_mask, &sdev_to_zfcp(sdev)->status); if (clear_counter) atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0); } + spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags); } /** @@ -1487,16 +1496,19 @@ { struct scsi_device *sdev; u32 common_mask = mask & ZFCP_COMMON_FLAGS; + unsigned long flags; atomic_set_mask(mask, &port->status); if (!common_mask) return; - shost_for_each_device(sdev, port->adapter->scsi_host) + spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags); + __shost_for_each_device(sdev, port->adapter->scsi_host) if (sdev_to_zfcp(sdev)->port == port) atomic_set_mask(common_mask, &sdev_to_zfcp(sdev)->status); + spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags); } /** @@ -1511,6 +1523,7 @@ struct scsi_device *sdev; u32 common_mask = mask & ZFCP_COMMON_FLAGS; u32 clear_counter = mask & ZFCP_STATUS_COMMON_ERP_FAILED; + unsigned long flags; atomic_clear_mask(mask, &port->status); @@ -1520,13 +1533,15 @@ if (clear_counter) atomic_set(&port->erp_counter, 0); - shost_for_each_device(sdev, port->adapter->scsi_host) + spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags); + __shost_for_each_device(sdev, port->adapter->scsi_host) if (sdev_to_zfcp(sdev)->port == port) { atomic_clear_mask(common_mask, &sdev_to_zfcp(sdev)->status); if (clear_counter) atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0); } + spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags); } /**
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 665e3cf..de0598e 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -224,11 +224,9 @@ static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio) { - spin_lock_irq(&qdio->req_q_lock); if (atomic_read(&qdio->req_q_free) || !(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) return 1; - spin_unlock_irq(&qdio->req_q_lock); return 0; } @@ -246,9 +244,8 @@ { long ret; - spin_unlock_irq(&qdio->req_q_lock); - ret = wait_event_interruptible_timeout(qdio->req_q_wq, - zfcp_qdio_sbal_check(qdio), 5 * HZ); + ret = wait_event_interruptible_lock_irq_timeout(qdio->req_q_wq, + zfcp_qdio_sbal_check(qdio), qdio->req_q_lock, 5 * HZ); if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) return -EIO; @@ -262,7 +259,6 @@ zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1"); } - spin_lock_irq(&qdio->req_q_lock); return -EIO; }
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 3f01bbf..8906392 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -27,6 +27,16 @@ static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \ zfcp_sysfs_##_feat##_##_name##_show, NULL); +#define ZFCP_DEFINE_ATTR_CONST(_feat, _name, _format, _value) \ +static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \ + struct device_attribute *at,\ + char *buf) \ +{ \ + return sprintf(buf, _format, _value); \ +} \ +static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \ + zfcp_sysfs_##_feat##_##_name##_show, NULL); + #define ZFCP_DEFINE_A_ATTR(_name, _format, _value) \ static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \ struct device_attribute *at,\ @@ -75,6 +85,8 @@ ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_denied, "%d\n", (zfcp_unit_sdev_status(unit) & ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0); +ZFCP_DEFINE_ATTR_CONST(unit, access_shared, "%d\n", 0); +ZFCP_DEFINE_ATTR_CONST(unit, access_readonly, "%d\n", 0); static ssize_t zfcp_sysfs_port_failed_show(struct device *dev, struct device_attribute *attr, @@ -347,6 +359,8 @@ &dev_attr_unit_in_recovery.attr, &dev_attr_unit_status.attr, &dev_attr_unit_access_denied.attr, + &dev_attr_unit_access_shared.attr, + &dev_attr_unit_access_readonly.attr, NULL }; static struct attribute_group zfcp_unit_attr_group = {
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 48b2918..92ff027 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig
@@ -1353,7 +1353,6 @@ tristate "Emulex LightPulse Fibre Channel Support" depends on PCI && SCSI select SCSI_FC_ATTRS - select GENERIC_CSUM select CRC_T10DIF help This lpfc driver supports the Emulex LightPulse
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index e25eba5..b3b5125 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c
@@ -482,7 +482,7 @@ ret = comedi_device_postconfig(dev); if (ret < 0) { comedi_device_detach(dev); - module_put(dev->driver->module); + module_put(driv->module); } /* On success, the driver module count has been incremented. */ return ret;
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 08613e2..0f1d193 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c
@@ -304,6 +304,11 @@ pr_info("%s: " DRIVER_DESC "\n", hcd_name); ohci_init_driver(&ohci_pci_hc_driver, &pci_overrides); + + /* Entries for the PCI suspend/resume callbacks are special */ + ohci_pci_hc_driver.pci_suspend = ohci_suspend; + ohci_pci_hc_driver.pci_resume = ohci_resume; + return pci_register_driver(&ohci_pci_driver); } module_init(ohci_pci_init);
diff --git a/drivers/usb/phy/phy-fsl-usb.h b/drivers/usb/phy/phy-fsl-usb.h index ca26628..e1859b8 100644 --- a/drivers/usb/phy/phy-fsl-usb.h +++ b/drivers/usb/phy/phy-fsl-usb.h
@@ -15,7 +15,7 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include "otg_fsm.h" +#include "phy-fsm-usb.h" #include <linux/usb/otg.h> #include <linux/ioctl.h>
diff --git a/drivers/usb/phy/phy-fsm-usb.c b/drivers/usb/phy/phy-fsm-usb.c index c520b35..7f45966 100644 --- a/drivers/usb/phy/phy-fsm-usb.c +++ b/drivers/usb/phy/phy-fsm-usb.c
@@ -29,7 +29,7 @@ #include <linux/usb/gadget.h> #include <linux/usb/otg.h> -#include "phy-otg-fsm.h" +#include "phy-fsm-usb.h" /* Change USB protocol when there is a protocol change */ static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index a58ac43..5e8be46 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c
@@ -348,7 +348,7 @@ for_each_possible_cpu(i) memset(per_cpu(cpu_evtchn_mask, i), - (i == 0) ? ~0 : 0, sizeof(*per_cpu(cpu_evtchn_mask, i))); + (i == 0) ? ~0 : 0, NR_EVENT_CHANNELS/8); } static inline void clear_evtchn(int port) @@ -1493,8 +1493,10 @@ /* Rebind an evtchn so that it gets delivered to a specific cpu */ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu) { + struct shared_info *s = HYPERVISOR_shared_info; struct evtchn_bind_vcpu bind_vcpu; int evtchn = evtchn_from_irq(irq); + int masked; if (!VALID_EVTCHN(evtchn)) return -1; @@ -1511,6 +1513,12 @@ bind_vcpu.vcpu = tcpu; /* + * Mask the event while changing the VCPU binding to prevent + * it being delivered on an unexpected VCPU. + */ + masked = sync_test_and_set_bit(evtchn, BM(s->evtchn_mask)); + + /* * If this fails, it usually just indicates that we're dealing with a * virq or IPI channel, which don't actually need to be rebound. Ignore * it, but don't do the xenlinux-level rebind in that case. @@ -1518,6 +1526,9 @@ if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0) bind_evtchn_to_cpu(evtchn, tcpu); + if (!masked) + unmask_evtchn(evtchn); + return 0; }
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 5e376bb..8defc6b 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c
@@ -40,7 +40,7 @@ int block, off; inode = iget_locked(sb, ino); - if (IS_ERR(inode)) + if (!inode) return ERR_PTR(-ENOMEM); if (!(inode->i_state & I_NEW)) return inode;
diff --git a/fs/bio.c b/fs/bio.c index 94bbc04..c5eae72 100644 --- a/fs/bio.c +++ b/fs/bio.c
@@ -1045,12 +1045,22 @@ int bio_uncopy_user(struct bio *bio) { struct bio_map_data *bmd = bio->bi_private; - int ret = 0; + struct bio_vec *bvec; + int ret = 0, i; - if (!bio_flagged(bio, BIO_NULL_MAPPED)) - ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, - bmd->nr_sgvecs, bio_data_dir(bio) == READ, - 0, bmd->is_our_pages); + if (!bio_flagged(bio, BIO_NULL_MAPPED)) { + /* + * if we're in a workqueue, the request is orphaned, so + * don't copy into a random user address space, just free. + */ + if (current->mm) + ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, + bmd->nr_sgvecs, bio_data_dir(bio) == READ, + 0, bmd->is_our_pages); + else if (bmd->is_our_pages) + bio_for_each_segment_all(bvec, bio, i) + __free_page(bvec->bv_page); + } bio_free_map_data(bmd); bio_put(bio); return ret;
diff --git a/fs/dcache.c b/fs/dcache.c index 87bdb53..83cfb83 100644 --- a/fs/dcache.c +++ b/fs/dcache.c
@@ -2724,6 +2724,17 @@ return memcpy(buffer, temp, sz); } +char *simple_dname(struct dentry *dentry, char *buffer, int buflen) +{ + char *end = buffer + buflen; + /* these dentries are never renamed, so d_lock is not needed */ + if (prepend(&end, &buflen, " (deleted)", 11) || + prepend_name(&end, &buflen, &dentry->d_name) || + prepend(&end, &buflen, "/", 1)) + end = ERR_PTR(-ENAMETOOLONG); + return end; +} + /* * Write full pathname from the root of the filesystem into the buffer. */
diff --git a/fs/efs/inode.c b/fs/efs/inode.c index f3913eb..d15ccf2 100644 --- a/fs/efs/inode.c +++ b/fs/efs/inode.c
@@ -57,7 +57,7 @@ struct inode *inode; inode = iget_locked(super, ino); - if (IS_ERR(inode)) + if (!inode) return ERR_PTR(-ENOMEM); if (!(inode->i_state & I_NEW)) return inode;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 9435384..544a809 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c
@@ -1838,14 +1838,14 @@ glock_workqueue = alloc_workqueue("glock_workqueue", WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_FREEZABLE, 0); - if (IS_ERR(glock_workqueue)) - return PTR_ERR(glock_workqueue); + if (!glock_workqueue) + return -ENOMEM; gfs2_delete_workqueue = alloc_workqueue("delete_workqueue", WQ_MEM_RECLAIM | WQ_FREEZABLE, 0); - if (IS_ERR(gfs2_delete_workqueue)) { + if (!gfs2_delete_workqueue) { destroy_workqueue(glock_workqueue); - return PTR_ERR(gfs2_delete_workqueue); + return -ENOMEM; } register_shrinker(&glock_shrinker);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 5f2e522..e2e0a90 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c
@@ -47,7 +47,8 @@ * None of the buffers should be dirty, locked, or pinned. */ -static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync) +static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync, + unsigned int nr_revokes) { struct gfs2_sbd *sdp = gl->gl_sbd; struct list_head *head = &gl->gl_ail_list; @@ -57,7 +58,9 @@ gfs2_log_lock(sdp); spin_lock(&sdp->sd_ail_lock); - list_for_each_entry_safe(bd, tmp, head, bd_ail_gl_list) { + list_for_each_entry_safe_reverse(bd, tmp, head, bd_ail_gl_list) { + if (nr_revokes == 0) + break; bh = bd->bd_bh; if (bh->b_state & b_state) { if (fsync) @@ -65,6 +68,7 @@ gfs2_ail_error(gl, bh); } gfs2_trans_add_revoke(sdp, bd); + nr_revokes--; } GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count)); spin_unlock(&sdp->sd_ail_lock); @@ -91,7 +95,7 @@ WARN_ON_ONCE(current->journal_info); current->journal_info = &tr; - __gfs2_ail_flush(gl, 0); + __gfs2_ail_flush(gl, 0, tr.tr_revokes); gfs2_trans_end(sdp); gfs2_log_flush(sdp, NULL); @@ -101,15 +105,19 @@ { struct gfs2_sbd *sdp = gl->gl_sbd; unsigned int revokes = atomic_read(&gl->gl_ail_count); + unsigned int max_revokes = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) / sizeof(u64); int ret; if (!revokes) return; - ret = gfs2_trans_begin(sdp, 0, revokes); + while (revokes > max_revokes) + max_revokes += (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header)) / sizeof(u64); + + ret = gfs2_trans_begin(sdp, 0, max_revokes); if (ret) return; - __gfs2_ail_flush(gl, fsync); + __gfs2_ail_flush(gl, fsync, max_revokes); gfs2_trans_end(sdp); gfs2_log_flush(sdp, NULL); }
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index bbb2715..64915ee 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c
@@ -594,7 +594,7 @@ } gfs2_glock_dq_uninit(ghs); if (IS_ERR(d)) - return PTR_RET(d); + return PTR_ERR(d); return error; } else if (error != -ENOENT) { goto fail_gunlock; @@ -1750,6 +1750,10 @@ struct gfs2_holder gh; int ret; + /* For selinux during lookup */ + if (gfs2_glock_is_locked_by_me(ip->i_gl)) + return generic_getxattr(dentry, name, data, size); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh); ret = gfs2_glock_nq(&gh); if (ret == 0) {
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index e04d0e0..7b0f504 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c
@@ -155,7 +155,7 @@ goto fail_wq; gfs2_control_wq = alloc_workqueue("gfs2_control", - WQ_NON_REENTRANT | WQ_UNBOUND | WQ_FREEZABLE, 0); + WQ_UNBOUND | WQ_FREEZABLE, 0); if (!gfs2_control_wq) goto fail_recovery;
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 3442397..d19b30a 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c
@@ -926,14 +926,8 @@ return h - hstates; } -static char *hugetlb_dname(struct dentry *dentry, char *buffer, int buflen) -{ - return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)", - dentry->d_name.name); -} - static struct dentry_operations anon_ops = { - .d_dname = hugetlb_dname + .d_dname = simple_dname }; /*
diff --git a/fs/namespace.c b/fs/namespace.c index 7b1ca9b..a45ba4f 100644 --- a/fs/namespace.c +++ b/fs/namespace.c
@@ -1429,7 +1429,7 @@ CL_COPY_ALL | CL_PRIVATE); namespace_unlock(); if (IS_ERR(tree)) - return NULL; + return ERR_CAST(tree); return &tree->mnt; }
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index dc9a913..2d8be51 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c
@@ -345,8 +345,7 @@ if (err == -EOPNOTSUPP) { set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); - bio_put(bio); - /* to be detected by submit_seg_bio() */ + /* to be detected by nilfs_segbuf_submit_bio() */ } if (!uptodate) @@ -377,12 +376,12 @@ bio->bi_private = segbuf; bio_get(bio); submit_bio(mode, bio); + segbuf->sb_nbio++; if (bio_flagged(bio, BIO_EOPNOTSUPP)) { bio_put(bio); err = -EOPNOTSUPP; goto failed; } - segbuf->sb_nbio++; bio_put(bio); wi->bio = NULL;
diff --git a/fs/proc/fd.c b/fs/proc/fd.c index 75f2890..0ff80f9 100644 --- a/fs/proc/fd.c +++ b/fs/proc/fd.c
@@ -230,8 +230,6 @@ if (!dir_emit_dots(file, ctx)) goto out; - if (!dir_emit_dots(file, ctx)) - goto out; files = get_files_struct(p); if (!files) goto out;
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 94441a4..737e156 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c
@@ -271,7 +271,7 @@ de = next; } while (de); spin_unlock(&proc_subdir_lock); - return 0; + return 1; } int proc_readdir(struct file *file, struct dir_context *ctx)
diff --git a/fs/proc/root.c b/fs/proc/root.c index 229e366..e0a790d 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c
@@ -205,7 +205,9 @@ static int proc_root_readdir(struct file *file, struct dir_context *ctx) { if (ctx->pos < FIRST_PROCESS_ENTRY) { - proc_readdir(file, ctx); + int error = proc_readdir(file, ctx); + if (unlikely(error <= 0)) + return error; ctx->pos = FIRST_PROCESS_ENTRY; }
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index b90337c..4a12532 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h
@@ -336,6 +336,7 @@ * helper function for dentry_operations.d_dname() members */ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); +extern char *simple_dname(struct dentry *, char *, int); extern char *__d_path(const struct path *, const struct path *, char *, int); extern char *d_absolute_path(const struct path *, char *, int);
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index b99cd23..79640e01 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h
@@ -5,45 +5,13 @@ #include <linux/bitmap.h> #include <linux/if.h> +#include <linux/ip.h> #include <linux/netdevice.h> #include <linux/rcupdate.h> #include <linux/timer.h> #include <linux/sysctl.h> #include <linux/rtnetlink.h> -enum -{ - IPV4_DEVCONF_FORWARDING=1, - IPV4_DEVCONF_MC_FORWARDING, - IPV4_DEVCONF_PROXY_ARP, - IPV4_DEVCONF_ACCEPT_REDIRECTS, - IPV4_DEVCONF_SECURE_REDIRECTS, - IPV4_DEVCONF_SEND_REDIRECTS, - IPV4_DEVCONF_SHARED_MEDIA, - IPV4_DEVCONF_RP_FILTER, - IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE, - IPV4_DEVCONF_BOOTP_RELAY, - IPV4_DEVCONF_LOG_MARTIANS, - IPV4_DEVCONF_TAG, - IPV4_DEVCONF_ARPFILTER, - IPV4_DEVCONF_MEDIUM_ID, - IPV4_DEVCONF_NOXFRM, - IPV4_DEVCONF_NOPOLICY, - IPV4_DEVCONF_FORCE_IGMP_VERSION, - IPV4_DEVCONF_ARP_ANNOUNCE, - IPV4_DEVCONF_ARP_IGNORE, - IPV4_DEVCONF_PROMOTE_SECONDARIES, - IPV4_DEVCONF_ARP_ACCEPT, - IPV4_DEVCONF_ARP_NOTIFY, - IPV4_DEVCONF_ACCEPT_LOCAL, - IPV4_DEVCONF_SRC_VMARK, - IPV4_DEVCONF_PROXY_ARP_PVLAN, - IPV4_DEVCONF_ROUTE_LOCALNET, - __IPV4_DEVCONF_MAX -}; - -#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1) - struct ipv4_devconf { void *sysctl; int data[IPV4_DEVCONF_MAX];
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 850e95b..b8b7dc7 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h
@@ -101,6 +101,7 @@ #define IP6SKB_FORWARDED 2 #define IP6SKB_REROUTED 4 #define IP6SKB_ROUTERALERT 8 +#define IP6SKB_FRAGMENTED 16 }; #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 1a8dd7a..c06d78a 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h
@@ -160,7 +160,8 @@ PALMAS_REG_SMPS7, PALMAS_REG_SMPS8, PALMAS_REG_SMPS9, - PALMAS_REG_SMPS10, + PALMAS_REG_SMPS10_OUT2, + PALMAS_REG_SMPS10_OUT1, /* LDO regulators */ PALMAS_REG_LDO1, PALMAS_REG_LDO2, @@ -355,9 +356,9 @@ int smps123; int smps457; - int range[PALMAS_REG_SMPS10]; - unsigned int ramp_delay[PALMAS_REG_SMPS10]; - unsigned int current_reg_mode[PALMAS_REG_SMPS10]; + int range[PALMAS_REG_SMPS10_OUT1]; + unsigned int ramp_delay[PALMAS_REG_SMPS10_OUT1]; + unsigned int current_reg_mode[PALMAS_REG_SMPS10_OUT1]; }; struct palmas_resource {
diff --git a/include/linux/mfd/samsung/s2mps11.h b/include/linux/mfd/samsung/s2mps11.h index 4e94dc6..d0d52ea 100644 --- a/include/linux/mfd/samsung/s2mps11.h +++ b/include/linux/mfd/samsung/s2mps11.h
@@ -191,6 +191,17 @@ #define S2MPS11_BUCK_N_VOLTAGES (S2MPS11_BUCK_VSEL_MASK + 1) #define S2MPS11_RAMP_DELAY 25000 /* uV/us */ + +#define S2MPS11_BUCK2_RAMP_SHIFT 6 +#define S2MPS11_BUCK34_RAMP_SHIFT 4 +#define S2MPS11_BUCK5_RAMP_SHIFT 6 +#define S2MPS11_BUCK16_RAMP_SHIFT 4 +#define S2MPS11_BUCK7810_RAMP_SHIFT 2 +#define S2MPS11_BUCK9_RAMP_SHIFT 0 +#define S2MPS11_BUCK2_RAMP_EN_SHIFT 3 +#define S2MPS11_BUCK3_RAMP_EN_SHIFT 2 +#define S2MPS11_BUCK4_RAMP_EN_SHIFT 1 +#define S2MPS11_BUCK6_RAMP_EN_SHIFT 0 #define S2MPS11_PMIC_EN_SHIFT 6 #define S2MPS11_REGULATOR_MAX (S2MPS11_REG_MAX - 3)
diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h index 29eab2b..a5a7f01 100644 --- a/include/linux/mfd/tps65217.h +++ b/include/linux/mfd/tps65217.h
@@ -244,24 +244,6 @@ }; /** - * struct tps_info - packages regulator constraints - * @name: Voltage regulator name - * @min_uV: minimum micro volts - * @max_uV: minimum micro volts - * @vsel_to_uv: Function pointer to get voltage from selector - * @uv_to_vsel: Function pointer to get selector from voltage - * - * This data is used to check the regualtor voltage limits while setting. - */ -struct tps_info { - const char *name; - int min_uV; - int max_uV; - int (*vsel_to_uv)(unsigned int vsel); - int (*uv_to_vsel)(int uV, unsigned int *vsel); -}; - -/** * struct tps65217 - tps65217 sub-driver chip access routines * * Device data may be used to access the TPS65217 chip @@ -273,7 +255,6 @@ unsigned int id; struct regulator_desc desc[TPS65217_NUM_REGULATOR]; struct regulator_dev *rdev[TPS65217_NUM_REGULATOR]; - struct tps_info *info[TPS65217_NUM_REGULATOR]; struct regmap *regmap; };
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index fb425aa..faf4b7c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h
@@ -332,6 +332,7 @@ unsigned long pgoff, unsigned long flags); #endif unsigned long mmap_base; /* base of mmap area */ + unsigned long mmap_legacy_base; /* base of mmap area in bottom-up allocations */ unsigned long task_size; /* size of task vm space */ unsigned long highest_vm_end; /* highest vma end address */ pgd_t * pgd;
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 3a76389..27be915 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h
@@ -137,6 +137,12 @@ const char *id); struct regulator *__must_check regulator_get_exclusive(struct device *dev, const char *id); +struct regulator *__must_check devm_regulator_get_exclusive(struct device *dev, + const char *id); +struct regulator *__must_check regulator_get_optional(struct device *dev, + const char *id); +struct regulator *__must_check devm_regulator_get_optional(struct device *dev, + const char *id); void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); @@ -217,6 +223,25 @@ return NULL; } +static inline struct regulator *__must_check +regulator_get_exclusive(struct device *dev, const char *id) +{ + return NULL; +} + +static inline struct regulator *__must_check +regulator_get_optional(struct device *dev, const char *id) +{ + return NULL; +} + + +static inline struct regulator *__must_check +devm_regulator_get_optional(struct device *dev, const char *id) +{ + return NULL; +} + static inline void regulator_put(struct regulator *regulator) { } @@ -369,8 +394,11 @@ static inline int regulator_set_voltage_tol(struct regulator *regulator, int new_uV, int tol_uV) { - return regulator_set_voltage(regulator, - new_uV - tol_uV, new_uV + tol_uV); + if (regulator_set_voltage(regulator, new_uV, new_uV + tol_uV) == 0) + return 0; + else + return regulator_set_voltage(regulator, + new_uV - tol_uV, new_uV + tol_uV); } static inline int regulator_is_supported_voltage_tol(struct regulator *regulator,
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 6700cc9..67e13aa 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h
@@ -40,6 +40,24 @@ }; /** + * Specify a range of voltages for regulator_map_linar_range() and + * regulator_list_linear_range(). + * + * @min_uV: Lowest voltage in range + * @max_uV: Highest voltage in range + * @min_sel: Lowest selector for range + * @max_sel: Highest selector for range + * @uV_step: Step size + */ +struct regulator_linear_range { + unsigned int min_uV; + unsigned int max_uV; + unsigned int min_sel; + unsigned int max_sel; + unsigned int uV_step; +}; + +/** * struct regulator_ops - regulator operations. * * @enable: Configure the regulator as enabled. @@ -223,6 +241,9 @@ unsigned int linear_min_sel; unsigned int ramp_delay; + const struct regulator_linear_range *linear_ranges; + int n_linear_ranges; + const unsigned int *volt_table; unsigned int vsel_reg; @@ -326,10 +347,14 @@ int regulator_list_voltage_linear(struct regulator_dev *rdev, unsigned int selector); +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector); int regulator_list_voltage_table(struct regulator_dev *rdev, unsigned int selector); int regulator_map_voltage_linear(struct regulator_dev *rdev, int min_uV, int max_uV); +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV); int regulator_map_voltage_iterate(struct regulator_dev *rdev, int min_uV, int max_uV); int regulator_map_voltage_ascend(struct regulator_dev *rdev,
diff --git a/include/linux/regulator/fan53555.h b/include/linux/regulator/fan53555.h index 5c45c85..f13880e 100644 --- a/include/linux/regulator/fan53555.h +++ b/include/linux/regulator/fan53555.h
@@ -11,6 +11,7 @@ */ #ifndef __FAN53555_H__ +#define __FAN53555_H__ /* VSEL ID */ enum {
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 36adbc8..999b20c 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h
@@ -134,6 +134,7 @@ unsigned always_on:1; /* regulator never off when system is on */ unsigned boot_on:1; /* bootloader/firmware enabled regulator */ unsigned apply_uV:1; /* apply uV constraint if min == max */ + unsigned ramp_disable:1; /* disable ramp delay */ }; /**
diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h index 9936763..f8a6a48 100644 --- a/include/linux/regulator/max8660.h +++ b/include/linux/regulator/max8660.h
@@ -39,7 +39,7 @@ */ struct max8660_subdev_data { int id; - char *name; + const char *name; struct regulator_init_data *platform_data; };
diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h new file mode 100644 index 0000000..65d550b --- /dev/null +++ b/include/linux/regulator/pfuze100.h
@@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. 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. 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef __LINUX_REG_PFUZE100_H +#define __LINUX_REG_PFUZE100_H + +#define PFUZE100_SW1AB 0 +#define PFUZE100_SW1C 1 +#define PFUZE100_SW2 2 +#define PFUZE100_SW3A 3 +#define PFUZE100_SW3B 4 +#define PFUZE100_SW4 5 +#define PFUZE100_SWBST 6 +#define PFUZE100_VSNVS 7 +#define PFUZE100_VREFDDR 8 +#define PFUZE100_VGEN1 9 +#define PFUZE100_VGEN2 10 +#define PFUZE100_VGEN3 11 +#define PFUZE100_VGEN4 12 +#define PFUZE100_VGEN5 13 +#define PFUZE100_VGEN6 14 +#define PFUZE100_MAX_REGULATOR 15 + +struct regulator_init_data; + +struct pfuze_regulator_platform_data { + struct regulator_init_data *init_data[PFUZE100_MAX_REGULATOR]; +}; + +#endif /* __LINUX_REG_PFUZE100_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h index e9995eb..078066d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h
@@ -314,7 +314,6 @@ struct user_namespace; #ifdef CONFIG_MMU -extern unsigned long mmap_legacy_base(void); extern void arch_pick_mmap_layout(struct mm_struct *mm); extern unsigned long arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
diff --git a/include/linux/wait.h b/include/linux/wait.h index f487a47..a67fc16 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h
@@ -811,6 +811,63 @@ __ret; \ }) +#define __wait_event_interruptible_lock_irq_timeout(wq, condition, \ + lock, ret) \ +do { \ + DEFINE_WAIT(__wait); \ + \ + for (;;) { \ + prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \ + if (condition) \ + break; \ + if (signal_pending(current)) { \ + ret = -ERESTARTSYS; \ + break; \ + } \ + spin_unlock_irq(&lock); \ + ret = schedule_timeout(ret); \ + spin_lock_irq(&lock); \ + if (!ret) \ + break; \ + } \ + finish_wait(&wq, &__wait); \ +} while (0) + +/** + * wait_event_interruptible_lock_irq_timeout - sleep until a condition gets true or a timeout elapses. + * The condition is checked under the lock. This is expected + * to be called with the lock taken. + * @wq: the waitqueue to wait on + * @condition: a C expression for the event to wait for + * @lock: a locked spinlock_t, which will be released before schedule() + * and reacquired afterwards. + * @timeout: timeout, in jiffies + * + * The process is put to sleep (TASK_INTERRUPTIBLE) until the + * @condition evaluates to true or signal is received. The @condition is + * checked each time the waitqueue @wq is woken up. + * + * wake_up() has to be called after changing any variable that could + * change the result of the wait condition. + * + * This is supposed to be called while holding the lock. The lock is + * dropped before going to sleep and is reacquired afterwards. + * + * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it + * was interrupted by a signal, and the remaining jiffies otherwise + * if the condition evaluated to true before the timeout elapsed. + */ +#define wait_event_interruptible_lock_irq_timeout(wq, condition, lock, \ + timeout) \ +({ \ + int __ret = timeout; \ + \ + if (!(condition)) \ + __wait_event_interruptible_lock_irq_timeout( \ + wq, condition, lock, __ret); \ + __ret; \ +}) + /* * These are the old interfaces to sleep waiting for an event.
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 260f83f..f667248 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h
@@ -135,6 +135,8 @@ extern void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu); extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark); +extern void ip6_redirect_no_header(struct sk_buff *skb, struct net *net, int oif, + u32 mark); extern void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk); struct netlink_callback;
diff --git a/include/uapi/linux/ip.h b/include/uapi/linux/ip.h index 6cf06bf..2fee45b 100644 --- a/include/uapi/linux/ip.h +++ b/include/uapi/linux/ip.h
@@ -133,4 +133,38 @@ __u8 reserved; }; +/* index values for the variables in ipv4_devconf */ +enum +{ + IPV4_DEVCONF_FORWARDING=1, + IPV4_DEVCONF_MC_FORWARDING, + IPV4_DEVCONF_PROXY_ARP, + IPV4_DEVCONF_ACCEPT_REDIRECTS, + IPV4_DEVCONF_SECURE_REDIRECTS, + IPV4_DEVCONF_SEND_REDIRECTS, + IPV4_DEVCONF_SHARED_MEDIA, + IPV4_DEVCONF_RP_FILTER, + IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE, + IPV4_DEVCONF_BOOTP_RELAY, + IPV4_DEVCONF_LOG_MARTIANS, + IPV4_DEVCONF_TAG, + IPV4_DEVCONF_ARPFILTER, + IPV4_DEVCONF_MEDIUM_ID, + IPV4_DEVCONF_NOXFRM, + IPV4_DEVCONF_NOPOLICY, + IPV4_DEVCONF_FORCE_IGMP_VERSION, + IPV4_DEVCONF_ARP_ANNOUNCE, + IPV4_DEVCONF_ARP_IGNORE, + IPV4_DEVCONF_PROMOTE_SECONDARIES, + IPV4_DEVCONF_ARP_ACCEPT, + IPV4_DEVCONF_ARP_NOTIFY, + IPV4_DEVCONF_ACCEPT_LOCAL, + IPV4_DEVCONF_SRC_VMARK, + IPV4_DEVCONF_PROXY_ARP_PVLAN, + IPV4_DEVCONF_ROUTE_LOCALNET, + __IPV4_DEVCONF_MAX +}; + +#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1) + #endif /* _UAPI_LINUX_IP_H */
diff --git a/init/Kconfig b/init/Kconfig index 247084b..fed81b5 100644 --- a/init/Kconfig +++ b/init/Kconfig
@@ -955,7 +955,7 @@ Memory Resource Controller Swap Extension comes with its price in a bigger memory consumption. General purpose distribution kernels which want to enable the feature but keep it disabled by default - and let the user enable it by swapaccount boot command line + and let the user enable it by swapaccount=1 boot command line parameter should have this option unselected. For those who want to have the feature enabled by default should select this option (if, for some reason, they need to disable it
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 010a008..ea1966d 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c
@@ -475,13 +475,17 @@ /* * Cpusets with tasks - existing or newly being attached - can't - * have empty cpus_allowed or mems_allowed. + * be changed to have empty cpus_allowed or mems_allowed. */ ret = -ENOSPC; - if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress) && - (cpumask_empty(trial->cpus_allowed) && - nodes_empty(trial->mems_allowed))) - goto out; + if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress)) { + if (!cpumask_empty(cur->cpus_allowed) && + cpumask_empty(trial->cpus_allowed)) + goto out; + if (!nodes_empty(cur->mems_allowed) && + nodes_empty(trial->mems_allowed)) + goto out; + } ret = 0; out:
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c index a326f27..0b479a6 100644 --- a/kernel/time/sched_clock.c +++ b/kernel/time/sched_clock.c
@@ -121,7 +121,7 @@ BUG_ON(bits > 32); WARN_ON(!irqs_disabled()); read_sched_clock = read; - sched_clock_mask = (1 << bits) - 1; + sched_clock_mask = (1ULL << bits) - 1; cd.rate = rate; /* calculate the mult/shift to convert counter ticks to ns. */
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index e77edc9..e8a1516 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c
@@ -182,7 +182,8 @@ * Don't allow the user to think they can get * full NO_HZ with this machine. */ - WARN_ONCE(1, "NO_HZ FULL will not work with unstable sched clock"); + WARN_ONCE(have_nohz_full_mask, + "NO_HZ FULL will not work with unstable sched clock"); return false; } #endif @@ -343,8 +344,6 @@ void __init tick_nohz_init(void) { - int cpu; - if (!have_nohz_full_mask) { if (tick_nohz_init_all() < 0) return;
diff --git a/kernel/wait.c b/kernel/wait.c index dec68bd..d550920 100644 --- a/kernel/wait.c +++ b/kernel/wait.c
@@ -363,8 +363,7 @@ /** * wake_up_atomic_t - Wake up a waiter on a atomic_t - * @word: The word being waited on, a kernel virtual address - * @bit: The bit of the word being waited on + * @p: The atomic_t being waited on, a kernel virtual address * * Wake up anyone waiting for the atomic_t to go to zero. *
diff --git a/lib/lz4/lz4_compress.c b/lib/lz4/lz4_compress.c index fd94058..28321d8 100644 --- a/lib/lz4/lz4_compress.c +++ b/lib/lz4/lz4_compress.c
@@ -437,7 +437,7 @@ exit: return ret; } -EXPORT_SYMBOL_GPL(lz4_compress); +EXPORT_SYMBOL(lz4_compress); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4 compressor");
diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c index d3414ea..411be80 100644 --- a/lib/lz4/lz4_decompress.c +++ b/lib/lz4/lz4_decompress.c
@@ -299,7 +299,7 @@ return ret; } #ifndef STATIC -EXPORT_SYMBOL_GPL(lz4_decompress); +EXPORT_SYMBOL(lz4_decompress); #endif int lz4_decompress_unknownoutputsize(const char *src, size_t src_len, @@ -319,8 +319,8 @@ return ret; } #ifndef STATIC -EXPORT_SYMBOL_GPL(lz4_decompress_unknownoutputsize); +EXPORT_SYMBOL(lz4_decompress_unknownoutputsize); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4 Decompressor"); #endif
diff --git a/lib/lz4/lz4hc_compress.c b/lib/lz4/lz4hc_compress.c index eb1a74f..f344f76 100644 --- a/lib/lz4/lz4hc_compress.c +++ b/lib/lz4/lz4hc_compress.c
@@ -533,7 +533,7 @@ exit: return ret; } -EXPORT_SYMBOL_GPL(lz4hc_compress); +EXPORT_SYMBOL(lz4hc_compress); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("LZ4HC compressor");
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index c5792a5..0878ff7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c
@@ -6969,7 +6969,6 @@ #ifdef CONFIG_MEMCG_SWAP static int __init enable_swap_account(char *s) { - /* consider enabled if no parameter or 1 is given */ if (!strcmp(s, "1")) really_do_swap_account = 1; else if (!strcmp(s, "0"))
diff --git a/mm/shmem.c b/mm/shmem.c index 8335dbd..e43dc55 100644 --- a/mm/shmem.c +++ b/mm/shmem.c
@@ -2909,14 +2909,8 @@ /* common code */ -static char *shmem_dname(struct dentry *dentry, char *buffer, int buflen) -{ - return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)", - dentry->d_name.name); -} - static struct dentry_operations anon_ops = { - .d_dname = shmem_dname + .d_dname = simple_dname }; /**
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index 688a041..857e1b8 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c
@@ -432,12 +432,16 @@ switch (packet_type) { case BATADV_UNICAST: - batadv_unicast_prepare_skb(skb, orig_node); + if (!batadv_unicast_prepare_skb(skb, orig_node)) + goto out; + header_len = sizeof(struct batadv_unicast_packet); break; case BATADV_UNICAST_4ADDR: - batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node, - packet_subtype); + if (!batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node, + packet_subtype)) + goto out; + header_len = sizeof(struct batadv_unicast_4addr_packet); break; default:
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 60aca91..ffd5874 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c
@@ -161,7 +161,7 @@ if (!pv) return; - for_each_set_bit_from(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) { + for_each_set_bit_from(vid, pv->vlan_bitmap, VLAN_N_VID) { f = __br_fdb_get(br, br->dev->dev_addr, vid); if (f && f->is_local && !f->dst) fdb_delete(br, f); @@ -730,7 +730,7 @@ /* VID was specified, so use it. */ err = __br_fdb_add(ndm, p, addr, nlh_flags, vid); } else { - if (!pv || bitmap_empty(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN)) { + if (!pv || bitmap_empty(pv->vlan_bitmap, VLAN_N_VID)) { err = __br_fdb_add(ndm, p, addr, nlh_flags, 0); goto out; } @@ -739,7 +739,7 @@ * specify a VLAN. To be nice, add/update entry for every * vlan on this port. */ - for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) { + for_each_set_bit(vid, pv->vlan_bitmap, VLAN_N_VID) { err = __br_fdb_add(ndm, p, addr, nlh_flags, vid); if (err) goto out; @@ -817,7 +817,7 @@ err = __br_fdb_delete(p, addr, vid); } else { - if (!pv || bitmap_empty(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN)) { + if (!pv || bitmap_empty(pv->vlan_bitmap, VLAN_N_VID)) { err = __br_fdb_delete(p, addr, 0); goto out; } @@ -827,7 +827,7 @@ * vlan on this port. */ err = -ENOENT; - for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) { + for_each_set_bit(vid, pv->vlan_bitmap, VLAN_N_VID) { err &= __br_fdb_delete(p, addr, vid); } }
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 1fc30ab..b9259ef 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c
@@ -132,7 +132,7 @@ else pv = br_get_vlan_info(br); - if (!pv || bitmap_empty(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN)) + if (!pv || bitmap_empty(pv->vlan_bitmap, VLAN_N_VID)) goto done; af = nla_nest_start(skb, IFLA_AF_SPEC); @@ -140,7 +140,7 @@ goto nla_put_failure; pvid = br_get_pvid(pv); - for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) { + for_each_set_bit(vid, pv->vlan_bitmap, VLAN_N_VID) { vinfo.vid = vid; vinfo.flags = 0; if (vid == pvid)
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index bd58b45..9a9ffe7 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c
@@ -108,7 +108,7 @@ clear_bit(vid, v->vlan_bitmap); v->num_vlans--; - if (bitmap_empty(v->vlan_bitmap, BR_VLAN_BITMAP_LEN)) { + if (bitmap_empty(v->vlan_bitmap, VLAN_N_VID)) { if (v->port_idx) rcu_assign_pointer(v->parent.port->vlan_info, NULL); else @@ -122,7 +122,7 @@ { smp_wmb(); v->pvid = 0; - bitmap_zero(v->vlan_bitmap, BR_VLAN_BITMAP_LEN); + bitmap_zero(v->vlan_bitmap, VLAN_N_VID); if (v->port_idx) rcu_assign_pointer(v->parent.port->vlan_info, NULL); else
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 5423223..b2f6c74 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c
@@ -1121,6 +1121,13 @@ goto wait_for_memory; /* + * All packets are restored as if they have + * already been sent. + */ + if (tp->repair) + TCP_SKB_CB(skb)->when = tcp_time_stamp; + + /* * Check whether we can use HW checksum. */ if (sk->sk_route_caps & NETIF_F_ALL_CSUM)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index da4241c..498ea99 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c
@@ -1126,12 +1126,10 @@ if (ifp->flags & IFA_F_OPTIMISTIC) addr_flags |= IFA_F_OPTIMISTIC; - ift = !max_addresses || - ipv6_count_addresses(idev) < max_addresses ? - ipv6_add_addr(idev, &addr, NULL, tmp_plen, - ipv6_addr_scope(&addr), addr_flags, - tmp_valid_lft, tmp_prefered_lft) : NULL; - if (IS_ERR_OR_NULL(ift)) { + ift = ipv6_add_addr(idev, &addr, NULL, tmp_plen, + ipv6_addr_scope(&addr), addr_flags, + tmp_valid_lft, tmp_prefered_lft); + if (IS_ERR(ift)) { in6_ifa_put(ifp); in6_dev_put(idev); pr_info("%s: retry temporary address regeneration\n", __func__);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 79aa965..04d31c2 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c
@@ -1369,8 +1369,10 @@ if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) return; - if (!ndopts.nd_opts_rh) + if (!ndopts.nd_opts_rh) { + ip6_redirect_no_header(skb, dev_net(skb->dev), 0, 0); return; + } hdr = (u8 *)ndopts.nd_opts_rh; hdr += 8;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 790d9f4..1aeb473 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c
@@ -490,6 +490,7 @@ ipv6_hdr(head)->payload_len = htons(payload_len); ipv6_change_dsfield(ipv6_hdr(head), 0xff, ecn); IP6CB(head)->nhoff = nhoff; + IP6CB(head)->flags |= IP6SKB_FRAGMENTED; /* Yes, and fold redundant checksum back. 8) */ if (head->ip_summed == CHECKSUM_COMPLETE) @@ -524,6 +525,9 @@ struct net *net = dev_net(skb_dst(skb)->dev); int evicted; + if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED) + goto fail_hdr; + IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS); /* Jumbo payload inhibits frag. header */ @@ -544,6 +548,7 @@ ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMOKS); IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb); + IP6CB(skb)->flags |= IP6SKB_FRAGMENTED; return 1; }
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index b70f8979..8d9a93e 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c
@@ -1178,6 +1178,27 @@ } EXPORT_SYMBOL_GPL(ip6_redirect); +void ip6_redirect_no_header(struct sk_buff *skb, struct net *net, int oif, + u32 mark) +{ + const struct ipv6hdr *iph = ipv6_hdr(skb); + const struct rd_msg *msg = (struct rd_msg *)icmp6_hdr(skb); + struct dst_entry *dst; + struct flowi6 fl6; + + memset(&fl6, 0, sizeof(fl6)); + fl6.flowi6_oif = oif; + fl6.flowi6_mark = mark; + fl6.flowi6_flags = 0; + fl6.daddr = msg->dest; + fl6.saddr = iph->daddr; + + dst = ip6_route_output(net, NULL, &fl6); + if (!dst->error) + rt6_do_redirect(dst, NULL, skb); + dst_release(dst); +} + void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk) { ip6_redirect(skb, sock_net(sk), sk->sk_bound_dev_if, sk->sk_mark);
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index f85f8a2..512718a 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c
@@ -789,10 +789,6 @@ struct net *net = sock_net(skb->sk); int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; - bool need_locking = chains_to_skip || fams_to_skip; - - if (need_locking) - genl_lock(); for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) { n = 0; @@ -814,9 +810,6 @@ cb->args[0] = i; cb->args[1] = n; - if (need_locking) - genl_unlock(); - return skb->len; }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 4b66c75..75c8bbf 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c
@@ -3259,9 +3259,11 @@ if (po->tp_version == TPACKET_V3) { lv = sizeof(struct tpacket_stats_v3); + st.stats3.tp_packets += st.stats3.tp_drops; data = &st.stats3; } else { lv = sizeof(struct tpacket_stats); + st.stats1.tp_packets += st.stats1.tp_drops; data = &st.stats1; }
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 3fcba69..5f6e982 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c
@@ -2622,8 +2622,8 @@ hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_NEW_KEY); - if (IS_ERR(hdr)) - return PTR_ERR(hdr); + if (!hdr) + return -ENOBUFS; cookie.msg = msg; cookie.idx = key_idx; @@ -6507,6 +6507,9 @@ NL80211_CMD_TESTMODE); struct nlattr *tmdata; + if (!hdr) + break; + if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { genlmsg_cancel(skb, hdr); break; @@ -6951,9 +6954,8 @@ hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_REMAIN_ON_CHANNEL); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); + if (!hdr) { + err = -ENOBUFS; goto free_msg; } @@ -7251,9 +7253,8 @@ hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_FRAME); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); + if (!hdr) { + err = -ENOBUFS; goto free_msg; } } @@ -8132,9 +8133,8 @@ hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_PROBE_CLIENT); - - if (IS_ERR(hdr)) { - err = PTR_ERR(hdr); + if (!hdr) { + err = -ENOBUFS; goto free_msg; }
diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 81c8a10..20e86a9 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c
@@ -976,21 +976,19 @@ struct net_device *dev, u16 reason, bool wextev) { struct wireless_dev *wdev = dev->ieee80211_ptr; - int err; + int err = 0; ASSERT_WDEV_LOCK(wdev); kfree(wdev->connect_keys); wdev->connect_keys = NULL; - if (wdev->conn) { + if (wdev->conn) err = cfg80211_sme_disconnect(wdev, reason); - } else if (!rdev->ops->disconnect) { + else if (!rdev->ops->disconnect) cfg80211_mlme_down(rdev, dev); - err = 0; - } else { + else if (wdev->current_bss) err = rdev_disconnect(rdev, dev, reason); - } return err; }