aboutsummaryrefslogtreecommitdiff
path: root/kernel/irq/autoprobe.c
diff options
context:
space:
mode:
authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2008-12-26 12:29:48 +0900
committerIngo Molnar <mingo@elte.hu>2008-12-26 09:48:18 +0100
commit18eefedfe8ad33e8fc7614c13359e29a9fab4644 (patch)
treee0b7c801c27a3933137e7e4056a3bca3c3244744 /kernel/irq/autoprobe.c
parent26ddd8d5cac8a563953d5febe8c6e40909f7bce1 (diff)
downloadlinux-2.6.34-ux500-18eefedfe8ad33e8fc7614c13359e29a9fab4644.tar.gz
irq: simplify for_each_irq_desc() usage
Impact: cleanup all for_each_irq_desc() usage point have !desc check. then its check can move into for_each_irq_desc() macro. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/autoprobe.c')
-rw-r--r--kernel/irq/autoprobe.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 650ce4102a6..cc0f7321b8c 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -40,9 +40,6 @@ unsigned long probe_irq_on(void)
* flush such a longstanding irq before considering it as spurious.
*/
for_each_irq_desc_reverse(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
/*
@@ -71,9 +68,6 @@ unsigned long probe_irq_on(void)
* happened in the previous stage, it may have masked itself)
*/
for_each_irq_desc_reverse(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
@@ -92,9 +86,6 @@ unsigned long probe_irq_on(void)
* Now filter out any obviously spurious interrupts
*/
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;
@@ -133,9 +124,6 @@ unsigned int probe_irq_mask(unsigned long val)
int i;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;
@@ -178,9 +166,6 @@ int probe_irq_off(unsigned long val)
unsigned int status;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;