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->irq_data.chip->bus_lock and
       desc->chip->bus_sync_unlock are NULL !

AUTHORS
       Thomas Gleixner <tglx AT linutronix.de>
           Author.

       Ingo Molnar <mingo AT elte.hu>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                             ENABLE_IRQ(9)