enable_irq

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

enable_irq - enable handling of an irq

SYNOPSIS

void enable_irq(unsigned int irq);

ARGUMENTS

irq

Interrupt to enable

DESCRIPTION

Undoes the effect of one call to disable_irq. If this matches the last disable, processing of interrupts on this IRQ line is re-enabled.

This function may be called from IRQ context only when desc->chip->bus_lock and desc->chip->bus_sync_unlock are NULL !

AUTHORS

Thomas Gleixner <tglx@linutronix.de>

Author.

Ingo Molnar <mingo@elte.hu>

Author.