Name
handle_level_irq —
Level type irq handler
Synopsis
void fastcall handle_level_irq ( | unsigned int | irq, |
| | struct irq_desc * | desc, |
| | struct pt_regs * | regs); |
Arguments
irq
the interrupt number
desc
the interrupt description structure for this irq
regs
pointer to a register structure
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.