Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325
Commit: cb4a10ccb0c5b5b02dec1a4a97cba1e8b2c2a325
Parent: f0a0ba6d69882ae14f24d7eb6e2ae07f30fbd56a
Author: Jiri Slaby <[EMAIL PROTECTED]>
AuthorDate: Sat Feb 10 01:44:53 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Sun Feb 11 10:51:26 2007 -0800
[PATCH] Char: isicom, check card state in isr
Check if the card really interrupted us by reading its IO space and
eventualy
return IRQ_NONE.
Signed-off-by: Jiri Slaby <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/char/isicom.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 42171ad..eddb8d3 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -540,6 +540,11 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
return IRQ_NONE;
base = card->base;
+
+ /* did the card interrupt us? */
+ if (!(inw(base + 0x0e) & 0x02))
+ return IRQ_NONE;
+
spin_lock(&card->card_lock);
/*
-
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