| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |