IRQ: Typedef the IRQ flow handler function type
Typedef the IRQ flow handler function type.
Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 8e973fbdf5716b93a0a8c0365be33a31ca0fa351 commit)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 6f46360..b947d46 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -22,6 +22,12 @@
#include <asm/irq.h>
#include <asm/ptrace.h>
+struct irq_desc;
+typedef void fastcall (*irq_flow_handler_t)(unsigned int irq,
+ struct irq_desc *desc,
+ struct pt_regs *regs);
+
+
/*
* IRQ line status.
*
@@ -139,9 +145,7 @@
* Pad this out to 32 bytes for cache and indexing reasons.
*/
struct irq_desc {
- void fastcall (*handle_irq)(unsigned int irq,
- struct irq_desc *desc,
- struct pt_regs *regs);
+ irq_flow_handler_t handle_irq;
struct irq_chip *chip;
void *handler_data;
void *chip_data;
@@ -281,9 +285,7 @@
* Get a descriptive string for the highlevel handler, for
* /proc/interrupts output:
*/
-extern const char *
-handle_irq_name(void fastcall (*handle)(unsigned int, struct irq_desc *,
- struct pt_regs *));
+extern const char *handle_irq_name(irq_flow_handler_t handle);
/*
* Monolithic do_IRQ implementation.
@@ -335,22 +337,15 @@
extern void
set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
- void fastcall (*handle)(unsigned int,
- struct irq_desc *,
- struct pt_regs *));
+ irq_flow_handler_t handle);
extern void
-__set_irq_handler(unsigned int irq,
- void fastcall (*handle)(unsigned int, struct irq_desc *,
- struct pt_regs *),
- int is_chained);
+__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained);
/*
* Set a highlevel flow handler for a given IRQ:
*/
static inline void
-set_irq_handler(unsigned int irq,
- void fastcall (*handle)(unsigned int, struct irq_desc *,
- struct pt_regs *))
+set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
{
__set_irq_handler(irq, handle, 0);
}
@@ -362,8 +357,7 @@
*/
static inline void
set_irq_chained_handler(unsigned int irq,
- void fastcall (*handle)(unsigned int, struct irq_desc *,
- struct pt_regs *))
+ irq_flow_handler_t handle)
{
__set_irq_handler(irq, handle, 1);
}
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4cf65f5..53e9dce 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -505,10 +505,7 @@
#endif /* CONFIG_SMP */
void
-__set_irq_handler(unsigned int irq,
- void fastcall (*handle)(unsigned int, irq_desc_t *,
- struct pt_regs *),
- int is_chained)
+__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained)
{
struct irq_desc *desc;
unsigned long flags;
@@ -561,9 +558,7 @@
void
set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
- void fastcall (*handle)(unsigned int,
- struct irq_desc *,
- struct pt_regs *))
+ irq_flow_handler_t handle)
{
set_irq_chip(irq, chip);
__set_irq_handler(irq, handle, 0);
@@ -574,8 +569,7 @@
* /proc/interrupts output:
*/
const char *
-handle_irq_name(void fastcall (*handle)(unsigned int, struct irq_desc *,
- struct pt_regs *))
+handle_irq_name(irq_flow_handler_t handle)
{
if (handle == handle_level_irq)
return "level ";
