[PATCH] genirq: add genirq sw IRQ-retrigger
Enable platforms that do not have a hardware-assisted hardirq-resend mechanism
to resend them via a softirq-driven IRQ emulation mechanism.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 19b438e..cffde48 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -118,15 +118,7 @@
WARN_ON(1);
break;
case 1: {
- unsigned int status = desc->status & ~IRQ_DISABLED;
-
- desc->status = status;
- if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
- desc->status = status | IRQ_REPLAY;
- if (desc->chip && desc->chip->retrigger)
- desc->chip->retrigger(irq);
- }
- desc->chip->enable(irq);
+ check_irq_resend(desc, irq);
/* fall-through */
}
default: