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-rw-r--r--kernel/irq/autoprobe.c8
-rw-r--r--kernel/irq/handle.c1
2 files changed, 9 insertions, 0 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index cfdb63e..533068c 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 a04b516..3a2dbcc 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
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