From 9e6115f2f5a9f8568bc8565d1401086952f09736 Mon Sep 17 00:00:00 2001
From: Andreas Eversberg <andreas@eversberg.eu>
Date: Sat, 6 Sep 2008 09:11:03 +0200
Subject: [PATCH] mISDN: Fix irq detection
Fix false irq detection on disabled irqs.
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
---
drivers/isdn/hardware/mISDN/hfcmulti.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 592db93105f95..4cfab20d71a9c 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -2658,6 +2658,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
if (status & V_MISC_IRQSTA) {
/* misc IRQ */
r_irq_misc = HFC_inb_nodebug(hc, R_IRQ_MISC);
+ r_irq_misc &= hc->hw.r_irqmsk_misc; /* ignore disabled irqs */
if (r_irq_misc & V_STA_IRQ) {
if (hc->type == 1) {
/* state machine */
--
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