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Commit da482792 authored by David Howells's avatar David Howells Committed by David Howells
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IRQ: Typedef the IRQ handler function type 



Typedef the IRQ handler function type.

Signed-Off-By: default avatarDavid Howells <dhowells@redhat.com>
(cherry picked from 1356d1e5fd256997e3d3dce0777ab787d0515c7a commit)
parent 57a58a94

include/linux/interrupt.h

+4 −3
Original line number Diff line number Diff line
@@ -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 *);

kernel/irq/manage.c

+1 −3
Original line number Diff line number Diff line
@@ -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);