* [PATCH] genirq: fix typo in IRQ resend
@ 2006-09-12 19:36 Imre Deák
0 siblings, 0 replies; only message in thread
From: Imre Deák @ 2006-09-12 19:36 UTC (permalink / raw)
To: linux-kernel; +Cc: tglx
Fix a bug where the IRQ_PENDING flag is never cleared and the ISR is
called endlessly without an actual interrupt.
Signed-off-by: Imre Deak <imre.deak@solidboot.com>
---
kernel/irq/resend.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 872f91b..35f10f7 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -63,8 +63,7 @@ void check_irq_resend(struct irq_desc *d
desc->chip->enable(irq);
if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
- desc->status &= ~IRQ_PENDING;
- desc->status = status | IRQ_REPLAY;
+ desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
if (!desc->chip || !desc->chip->retrigger ||
!desc->chip->retrigger(irq)) {
--
1.4.1
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