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ide: use per-port IRQ handlers

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Use hwif instead of hwgroup as {request,free}_irq()'s cookie,
teach ide_intr() to return early for non-active serialized ports,
modify unexpected_intr() accordingly and then use per-port IRQ
handlers instead of per-hwgroup ones.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2009-01-06 17:20:48 +01:00
parent bd53cbcce5
commit ae86afaee6
4 changed files with 32 additions and 64 deletions
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17
drivers/ide/ide.c
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@ -175,10 +175,6 @@ EXPORT_SYMBOL_GPL(ide_port_unregister_devices);
void ide_unregister(ide_hwif_t *hwif)
{
ide_hwif_t *g;
ide_hwgroup_t *hwgroup;
int irq_count = 0;
BUG_ON(in_interrupt());
BUG_ON(irqs_disabled());
@ -191,18 +187,7 @@ void ide_unregister(ide_hwif_t *hwif)
ide_proc_unregister_port(hwif);
hwgroup = hwif->hwgroup;
/*
* free the irq if we were the only hwif using it
*/
g = hwgroup->hwif;
do {
if (g->irq == hwif->irq)
++irq_count;
g = g->next;
} while (g != hwgroup->hwif);
if (irq_count == 1)
free_irq(hwif->irq, hwgroup);
free_irq(hwif->irq, hwif);
ide_remove_port_from_hwgroup(hwif);