ENABLE_IRQ(9) Hardware Interfaces 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
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COPYRIGHTKernel Hackers Manual 3.11 November 2013 ENABLE_IRQ(9)