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IRQ: Typedef the IRQ handler function type

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Typedef the IRQ handler function type.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1356d1e5fd256997e3d3dce0777ab787d0515c7a commit)
This commit is contained in:
David Howells 2006-10-05 13:06:34 +01:00 committed by David Howells
parent 57a58a9435
commit da482792a6
2 changed files with 5 additions and 6 deletions
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7
include/linux/interrupt.h
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@ -64,8 +64,10 @@
#define SA_TRIGGER_RISING IRQF_TRIGGER_RISING
#define SA_TRIGGER_MASK IRQF_TRIGGER_MASK
typedef irqreturn_t (*irq_handler_t)(int, void *, struct pt_regs *);
struct irqaction {
irqreturn_t (*handler)(int, void *, struct pt_regs *);
irq_handler_t handler;
unsigned long flags;
cpumask_t mask;
const char *name;
@ -76,8 +78,7 @@ struct irqaction {
};
extern irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs);
extern int request_irq(unsigned int,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
extern int request_irq(unsigned int, irq_handler_t handler,
unsigned long, const char *, void *);
extern void free_irq(unsigned int, void *);

4
kernel/irq/manage.c
View File

@ -427,8 +427,7 @@ EXPORT_SYMBOL(free_irq);
* IRQF_SAMPLE_RANDOM The interrupt can be used for entropy
*
*/
int request_irq(unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
int request_irq(unsigned int irq, irq_handler_t handler,
unsigned long irqflags, const char *devname, void *dev_id)
{
struct irqaction *action;
@ -475,4 +474,3 @@ int request_irq(unsigned int irq,
return retval;
}
EXPORT_SYMBOL(request_irq);