Linux-2.6.22 中request_irq() 函数原型与之前版本略有改动:
/********************************/
Linux-2.6.22.6
include/linux/irqreturn.h:typedef int irqreturn_t;
include/linux/interrupt.h:typedef irqreturn_t (*irq_handler_t)(int, void *);
kernel/irq/manage.c:int request_irq(
unsigned int irq,
irq_handler_t handler,
unsigned long irqflags,
const char *devname,
void *dev_id)
/********************************/
Linux-2.6.13
include/linux/interrupt.h:typedef int irqreturn_t;
kernel/irq/manage.c:int request_irq(
unsigned int irq,
irqreturn_t (*handler)(int, void *, struct pt_regs *),
unsigned long irqflags,
const char * devname,
void *dev_id)
/********************************/
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