diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/handle.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 8eda1005d10..7fc7bc33d49 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -76,8 +76,13 @@ irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs) return IRQ_NONE; } -/* - * Have got an event to handle: +/** + * handle_IRQ_event - irq action chain handler + * @irq: the interrupt number + * @regs: pointer to a register structure + * @action: the interrupt action chain for this irq + * + * Handles the action chain of an irq event */ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs, struct irqaction *action) @@ -103,10 +108,17 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs, return retval; } -/* - * do_IRQ handles all normal device IRQ's (the special +/** + * __do_IRQ - original all in one highlevel IRQ handler + * @irq: the interrupt number + * @regs: pointer to a register structure + * + * __do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific * handlers). + * + * This is the original x86 implementation which is used for every + * interrupt type. */ fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs) { |