adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-28 19:56:18 +00:00
Code Issues Projects Releases Packages Wiki Activity

[PATCH] Char: isicom, check card state in isr

Browse source 
Check if the card really interrupted us by reading its IO space and eventualy
return IRQ_NONE.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2007-02-10 01:44:53 -08:00 committed by Linus Torvalds
parent f0a0ba6d69
commit cb4a10ccb0
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/char/isicom.c
View file

@ -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);
/*