register_irq_proc

Name:register_irq_proc

Proto:void register_irq_proc(unsigned int irq, struct irq_desc *desc)

Type:void

Parameter:

Type	Parameter	Name
unsigned int	irq
struct irq_desc *	desc

340

DEFINE_MUTEX(register_lock)

341

__maybe_unused * irqp = irq

344

If Not Access rules:* procfs protects read/write of /proc/irq/N/ files against a* concurrent free of the interrupt descriptor || chip == Generic no controller implementation Then Return

352

mutex_lock( & register_lock)

354

If dir Then Go to out_unlock

357

sprintf(name, "%d", irq)

360

dir = proc_mkdir(name, Access rules:* procfs protects read/write of /proc/irq/N/ files against a* concurrent free of the interrupt descriptor)

361

If Not dir Then Go to out_unlock

386

proc_create_single_data("spurious", 0444, dir, irq_spurious_proc_show, (void * )(long)irq)

389

390

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

**Caller**
Name	Describe
init_irq_proc
__setup_irq	register an interrupt

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