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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/isdn/hisax/sedlbauer.c
View File

@ -451,6 +451,9 @@ Sedl_card_msg(struct IsdnCardState *cs, int mt, void *arg)
spin_unlock_irqrestore(&cs->lock, flags); spin_unlock_irqrestore(&cs->lock, flags);
return(0); return(0);
case CARD_RELEASE: 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) { if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) {
spin_lock_irqsave(&cs->lock, flags); spin_lock_irqsave(&cs->lock, flags);
writereg(cs->hw.sedl.adr, cs->hw.sedl.hscx, 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); return(0);
case CARD_INIT: case CARD_INIT:
spin_lock_irqsave(&cs->lock, flags); 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); reset_sedlbauer(cs);
if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) { if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) {
clear_pending_isac_ints(cs); 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, 0xff);
byteout(cs->hw.sedl.cfg_reg, 0x00); byteout(cs->hw.sedl.cfg_reg, 0x00);
byteout(cs->hw.sedl.cfg_reg+ 2, 0xdd); 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); byteout(cs->hw.sedl.cfg_reg +3, cs->hw.sedl.reset_on);
mdelay(2); mdelay(2);
byteout(cs->hw.sedl.cfg_reg +3, cs->hw.sedl.reset_off); byteout(cs->hw.sedl.cfg_reg +3, cs->hw.sedl.reset_off);