aboutsummaryrefslogtreecommitdiff
path: root/kernel/irq/autoprobe.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/autoprobe.c')
-rw-r--r--kernel/irq/autoprobe.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 916e56e10a2..9ea8bb99f7c 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -17,7 +17,7 @@
/*
* Autodetection depends on the fact that any interrupt that
* comes in on to an unassigned handler will get stuck with
- * "IRQ_WAITING" cleared and the interrupt disabled.
+ * "IRQS_WAITING" cleared and the interrupt disabled.
*/
static DEFINE_MUTEX(probing_active);
@@ -75,8 +75,7 @@ unsigned long probe_irq_on(void)
for_each_irq_desc_reverse(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
- desc->istate |= IRQS_AUTODETECT;
- desc->status |= IRQ_WAITING;
+ desc->istate |= IRQS_AUTODETECT | IRQS_WAITING;
if (irq_startup(desc))
desc->status |= IRQ_PENDING;
}
@@ -96,7 +95,7 @@ unsigned long probe_irq_on(void)
if (desc->istate & IRQS_AUTODETECT) {
/* It triggered already - consider it spurious. */
- if (!(desc->status & IRQ_WAITING)) {
+ if (!(desc->istate & IRQS_WAITING)) {
desc->istate &= ~IRQS_AUTODETECT;
irq_shutdown(desc);
} else
@@ -131,7 +130,7 @@ unsigned int probe_irq_mask(unsigned long val)
for_each_irq_desc(i, desc) {
raw_spin_lock_irq(&desc->lock);
if (desc->istate & IRQS_AUTODETECT) {
- if (i < 16 && !(desc->status & IRQ_WAITING))
+ if (i < 16 && !(desc->istate & IRQS_WAITING))
mask |= 1 << i;
desc->istate &= ~IRQS_AUTODETECT;
@@ -171,7 +170,7 @@ int probe_irq_off(unsigned long val)
raw_spin_lock_irq(&desc->lock);
if (desc->istate & IRQS_AUTODETECT) {
- if (!(desc->status & IRQ_WAITING)) {
+ if (!(desc->istate & IRQS_WAITING)) {
if (!nr_of_irqs)
irq_found = i;
nr_of_irqs++;