| HANDLE_LEVEL_IRQ(9) | Public Functions Provided | HANDLE_LEVEL_IRQ(9) |
NAME¶
handle_level_irq - Level type irq handler
SYNOPSIS¶
void handle_level_irq(unsigned int irq, struct irq_desc * desc);
ARGUMENTS¶
irq
the interrupt number
desc
the interrupt description structure for this irq
DESCRIPTION¶
Level type interrupts are active as long as the hardware line has the active level. This may require to mask the interrupt and unmask it after the associated handler has acknowledged the device, so the interrupt line is back to inactive.
AUTHORS¶
Thomas Gleixner <tglx@linutronix.de>
Author.
Ingo Molnar <mingo@elte.hu>
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |