Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2464286ace55b3abddfb9cc30ab95e2dac1de9a6
Commit: 2464286ace55b3abddfb9cc30ab95e2dac1de9a6
Parent: 496634217e5671ed876a0348e9f5b7165e830b20
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Sun Aug 12 15:46:35 2007 +0000
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sun Aug 12 11:05:45 2007 -0700
genirq: suppress resend of level interrupts
Level type interrupts are resent by the interrupt hardware when they are
still active at irq_enable().
Suppress the resend mechanism for interrupts marked as level.
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/irq/resend.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 5bfeaed..a804679 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -62,7 +62,12 @@ void check_irq_resend(struct irq_desc *desc, unsigned int
irq)
*/
desc->chip->enable(irq);
- if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
+ /*
+ * We do not resend level type interrupts. Level type
+ * interrupts are resent by hardware when they are still
+ * active.
+ */
+ if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
if (!desc->chip || !desc->chip->retrigger ||
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
