[PATCH] genirq: core

Core genirq support: add the irq-chip and irq-flow abstractions.

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>

1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index ed98c7d46cf2..cfdb63eb5c94 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -40,8 +40,15 @@ unsigned long probe_irq_on(void)
                 desc = irq_desc + i;
 
                 spin_lock_irq(&desc->lock);
-                if (!desc->action && !(desc->status & IRQ_NOPROBE))
+                if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
+                        /*
+                         * Some chips need to know about probing in
+                         * progress:
+                         */
+                        if (desc->chip->set_type)
+                                desc->chip->set_type(i, IRQ_TYPE_PROBE);
                         desc->chip->startup(i);
+                }
                 spin_unlock_irq(&desc->lock);
         }