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sane irq initialization in sedlbauer hisax 

The interrupts schould be disabled until the driver
is ready and the IRQ function was registered.

Thanks to Bastian Friedrich  and Thomas Voegtle for spotting this.

Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Bastian Friedrich <bastian@bastian-friedrich.de>
Signed-off-by: Thomas Voegtle <tv@lio96.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Karsten Keil 2007-07-17 04:04:18 -07:00 committed by Linus Torvalds
parent 2b7c30292a
commit c713f57ed5
1 changed files with 7 additions and 1 deletions
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8
drivers/isdn/hisax/sedlbauer.c
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@ -451,6 +451,9 @@ Sedl_card_msg(struct IsdnCardState *cs, int mt, void *arg)
spin_unlock_irqrestore(&cs->lock, flags);
return(0);
case CARD_RELEASE:
if (cs->hw.sedl.bus == SEDL_BUS_PCI)
/* disable all IRQ */
byteout(cs->hw.sedl.cfg_reg+ 5, 0);
if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) {
spin_lock_irqsave(&cs->lock, flags);
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx,
@ -468,6 +471,9 @@ Sedl_card_msg(struct IsdnCardState *cs, int mt, void *arg)
return(0);
case CARD_INIT:
spin_lock_irqsave(&cs->lock, flags);
if (cs->hw.sedl.bus == SEDL_BUS_PCI)
/* enable all IRQ */
byteout(cs->hw.sedl.cfg_reg+ 5, 0x02);
reset_sedlbauer(cs);
if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) {
clear_pending_isac_ints(cs);
@ -667,7 +673,7 @@ setup_sedlbauer(struct IsdnCard *card)
byteout(cs->hw.sedl.cfg_reg, 0xff);
byteout(cs->hw.sedl.cfg_reg, 0x00);
byteout(cs->hw.sedl.cfg_reg+ 2, 0xdd);
byteout(cs->hw.sedl.cfg_reg+ 5, 0x02);
byteout(cs->hw.sedl.cfg_reg+ 5, 0); /* disable all IRQ */
byteout(cs->hw.sedl.cfg_reg +3, cs->hw.sedl.reset_on);
mdelay(2);
byteout(cs->hw.sedl.cfg_reg +3, cs->hw.sedl.reset_off);