When enabling IRQ, ap->ops->irq_on is checked.
Because most drivers can use ata_irq_on() as is, this
patch allows ap->ops->irq_on to be NULL.
If it is NULL, ata_irq_on() are used.
Signed-off-by: Kou Ishizaki <kou.ishizaki@xxxxxxxxxxxxx>
Signed-off-by: Akira Iguchi <akira2.iguchi@xxxxxxxxxxxxx>
---
--- linux-2.6.20-rc4/drivers/ata/libata-sff.c.orig 2007-01-17 01:45:56.000000000 +0900
+++ linux-2.6.20-rc4/drivers/ata/libata-sff.c 2007-01-17 02:16:00.000000000 +0900
@@ -724,8 +724,12 @@ void ata_bmdma_thaw(struct ata_port *ap)
/* clear & re-enable interrupts */
ata_chk_status(ap);
ap->ops->irq_clear(ap);
- if (ap->ioaddr.ctl_addr) /* FIXME: hack. create a hook instead */
- ata_irq_on(ap);
+ if (ap->ioaddr.ctl_addr) { /* FIXME: hack. create a hook instead */
+ if (ap->ops->irq_on)
+ ap->ops->irq_on(ap);
+ else
+ ata_irq_on(ap);
+ }
}
/**
-
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