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mISDN: Fix irq detection

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Fix false irq detection on disabled irqs.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
This commit is contained in:
Andreas Eversberg 2008-09-06 09:11:03 +02:00 committed by Karsten Keil
parent 3bd69ad197
commit 9e6115f2f5
1 changed files with 1 additions and 0 deletions
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drivers/isdn/hardware/mISDN/hfcmulti.c
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@ -2658,6 +2658,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
if (status & V_MISC_IRQSTA) { if (status & V_MISC_IRQSTA) {
/* misc IRQ */ /* misc IRQ */
r_irq_misc = HFC_inb_nodebug(hc, R_IRQ_MISC); 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 (r_irq_misc & V_STA_IRQ) {
if (hc->type == 1) { if (hc->type == 1) {
/* state machine */ /* state machine */