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[POWERPC] Add IRQ remapping hook

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This patch adds irq remapping hook. On interrupt mechanism on Beat,
when an irq outlet which has an id which is formerly used is created,
remapping the irq is required.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Ishizaki Kou
2007-01-12 09:58:39 +09:00
committed by Paul Mackerras
parent 5b7c726ff0
commit acc900ef5b
2 changed files with 5 additions and 0 deletions
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2
arch/powerpc/kernel/irq.c
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@@ -604,6 +604,8 @@ unsigned int irq_create_mapping(struct irq_host *host,
*/
virq = irq_find_mapping(host, hwirq);
if (virq != IRQ_NONE) {
if (host->ops->remap)
host->ops->remap(host, virq, hwirq);
pr_debug("irq: -> existing mapping on virq %d\n", virq);
return virq;
}