[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>
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 1a2e766..b61784e 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -153,6 +153,17 @@
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 @@
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);