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authorThomas Gleixner <tglx@linutronix.de>2006-06-29 02:24:51 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 10:26:24 -0700
commit6a6de9ef5850d063c3d3fb50784bfe3a6d0712c6 (patch)
treed09f1887fd8890c820559b931140afe4c68f2d7f /kernel/irq/manage.c
parenta34db9b28a1c63317e1d6f1080a12d711579e7d0 (diff)
downloadlinux-6a6de9ef5850d063c3d3fb50784bfe3a6d0712c6.tar.bz2
[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>
Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r--kernel/irq/manage.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 1a2e7663096a..b61784ee78b2 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -153,6 +153,17 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
return !action;
}
+void compat_irq_chip_set_default_handler(struct irq_desc *desc)
+{
+ /*
+ * If the architecture still has not overriden
+ * the flow handler then zap the default. This
+ * should catch incorrect flow-type setting.
+ */
+ if (desc->handle_irq == &handle_bad_irq)
+ desc->handle_irq = NULL;
+}
+
/*
* Internal function to register an irqaction - typically used to
* allocate special interrupts that are part of the architecture.
@@ -217,6 +228,9 @@ int setup_irq(unsigned int irq, struct irqaction *new)
desc->status |= IRQ_PER_CPU;
#endif
if (!shared) {
+ irq_chip_set_defaults(desc->chip);
+ compat_irq_chip_set_default_handler(desc);
+
desc->status &= ~(IRQ_AUTODETECT | IRQ_WAITING |
IRQ_INPROGRESS);