REQUEST_ANY_CONTEXT_

Section: Public Functions Provided (9)
Updated: February 2011
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NAME

request_any_context_irq - allocate an interrupt line

SYNOPSIS

int request_any_context_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char * name, void * dev_id);

ARGUMENTS

irq

: Interrupt line to allocate

handler

: Function to be called when the IRQ occurs. Threaded handler for threaded interrupts.

flags

: Interrupt type flags

name

: An ascii name for the claiming device

dev_id

: A cookie passed back to the handler function

DESCRIPTION

This call allocates interrupt resources and enables the interrupt line and IRQ handling. It selects either a hardirq or threaded handling method depending on the context.

On failure, it returns a negative value. On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.

AUTHORS

Thomas Gleixner <tglx@linutronix.de>

: Author.

Ingo Molnar <mingo@elte.hu>