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[PATCH] genirq: add IRQ_NOPROBE support

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Introduce IRQ_NOPROBE: enables platforms to control chip-probing.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner
2006-06-29 02:24:49 -07:00
committed by Linus Torvalds
parent a4633adcdb
commit 3418d72404
3 changed files with 7 additions and 2 deletions
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4
kernel/irq/manage.c
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@@ -118,6 +118,10 @@ void enable_irq(unsigned int irq)
WARN_ON(1);
break;
case 1: {
unsigned int status = desc->status & ~IRQ_DISABLED;
/* Prevent probing on this irq: */
desc->status = status | IRQ_NOPROBE;
check_irq_resend(desc, irq);
/* fall-through */
}