diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-06-29 02:24:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 10:26:24 -0700 |
| commit | 7a55713ab456d267815fd5ca3c3d0fd14301f306 (patch) | |
| tree | a318479efa070eb912fa3dd43738d2b1ae252837 | |
| parent | dd87eb3a24c4527741122713e223d74b85d43c85 (diff) | |
| download | linux-7a55713ab456d267815fd5ca3c3d0fd14301f306.tar.gz linux-7a55713ab456d267815fd5ca3c3d0fd14301f306.tar.bz2 linux-7a55713ab456d267815fd5ca3c3d0fd14301f306.zip | |
[PATCH] genirq: add handle_bad_irq()
Handle bad IRQ vectors via the irqchip mechanism.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/irq/autoprobe.c | 8 | ||||
| -rw-r--r-- | kernel/irq/handle.c | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index cfdb63eb5c94..533068cfb607 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -11,6 +11,8 @@ #include <linux/interrupt.h> #include <linux/delay.h> +#include "internals.h" + /* * Autodetection depends on the fact that any interrupt that * comes in on to an unassigned handler will get stuck with @@ -42,6 +44,12 @@ unsigned long probe_irq_on(void) spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { /* + * An old-style architecture might still have + * the handle_bad_irq handler there: + */ + compat_irq_chip_set_default_handler(desc); + + /* * Some chips need to know about probing in * progress: */ diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index a04b516afa59..3a2dbcc9e215 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -46,6 +46,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned = { [0 ... NR_IRQS-1] = { .status = IRQ_DISABLED, .chip = &no_irq_type, + .handle_irq = handle_bad_irq, .depth = 1, .lock = SPIN_LOCK_UNLOCKED, #ifdef CONFIG_SMP |