ENABLE_IRQ(9) Public Functions Provided ENABLE_IRQ(9)

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.

COPYRIGHT Kernel Hackers Manual 2.6. January 2013 ENABLE_IRQ(9)