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authorJeff Garzik <jeff@garzik.org>2007-10-20 03:31:27 +0400
committerJeff Garzik <jeff@garzik.org>2007-10-24 03:53:16 +0400
commit080eb42f31a8a6dde1568f906692d9914cdfbfe8 (patch)
treebddb8ebfac4dc381989a8c8695a8578b5a83021c /drivers/isdn/sc/interrupt.c
parent246f93f5cc0d4116cadf33ad1c8ae7ac08e9b1c7 (diff)
downloadlinux-080eb42f31a8a6dde1568f906692d9914cdfbfe8.tar.xz
isdn/sc: irq handler clean
* pass card number to irq handler * use card number in irq handler to avoid looping through each adapter Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/isdn/sc/interrupt.c')
-rw-r--r--drivers/isdn/sc/interrupt.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/isdn/sc/interrupt.c b/drivers/isdn/sc/interrupt.c
index bef7963cdd02..485be8b1e1b3 100644
--- a/drivers/isdn/sc/interrupt.c
+++ b/drivers/isdn/sc/interrupt.c
@@ -21,28 +21,15 @@
#include "card.h"
#include <linux/interrupt.h>
-static int get_card_from_irq(int irq)
-{
- int i;
-
- for(i = 0 ; i < cinst ; i++) {
- if(sc_adapter[i]->interrupt == irq)
- return i;
- }
- return -1;
-}
-
/*
*
*/
-irqreturn_t interrupt_handler(int interrupt, void *cardptr)
+irqreturn_t interrupt_handler(int dummy, void *card_inst)
{
RspMessage rcvmsg;
int channel;
- int card;
-
- card = get_card_from_irq(interrupt);
+ int card = (int)(unsigned long) card_inst;
if(!IS_VALID_CARD(card)) {
pr_debug("Invalid param: %d is not a valid card id\n", card);