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| author | Thomas Gleixner <tglx@linutronix.de> | 2006-06-29 02:24:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 10:26:24 -0700 |
| commit | 3418d72404e35eb19e7995cbf3e7a76ba8fefbce (patch) | |
| tree | 08e727f94d4ff31410730d5d42119b3520ad10ca /kernel/irq/manage.c | |
| parent | a4633adcdbc15ac51afcd0e1395de58cee27cf92 (diff) | |
| download | blackbird-op-linux-3418d72404e35eb19e7995cbf3e7a76ba8fefbce.tar.gz blackbird-op-linux-3418d72404e35eb19e7995cbf3e7a76ba8fefbce.zip | |
[PATCH] genirq: add IRQ_NOPROBE support
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>
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index cffde4843897..90a944a7fadc 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -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 */ } |
