[PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()

Add ->retrigger() irq op to consolidate hw_irq_resend() implementations.
(Most architectures had it defined to NOP anyway.)

NOTE: ia64 needs testing. i386 and x86_64 tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 76c8eda67295..19b438e09f12 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -123,7 +123,8 @@ void enable_irq(unsigned int irq)
                 desc->status = status;
                 if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
                         desc->status = status | IRQ_REPLAY;
-                        hw_resend_irq(desc->chip,irq);
+                        if (desc->chip && desc->chip->retrigger)
+                                desc->chip->retrigger(irq);
                 }
                 desc->chip->enable(irq);
                 /* fall-through */