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authorArjan van de Ven <arjan@infradead.org>2006-03-23 03:00:24 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:10 -0800
commit97d1f15b7ef52c1e9c28dc48b454024bb53a5fd2 (patch)
tree7bdb928096eec577e75897351f639d3f94441c87 /kernel/power/pm.c
parente723ccd805857a46d3b63fbd20edea8579c6c541 (diff)
[PATCH] sem2mutex: kernel/
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/power/pm.c')
-rw-r--r--kernel/power/pm.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index 33c508e857dd..0f6908cce1dd 100644
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -25,6 +25,7 @@
#include <linux/pm.h>
#include <linux/pm_legacy.h>
#include <linux/interrupt.h>
+#include <linux/mutex.h>
int pm_active;
@@ -40,7 +41,7 @@ int pm_active;
* until a resume but that will be fine.
*/
-static DECLARE_MUTEX(pm_devs_lock);
+static DEFINE_MUTEX(pm_devs_lock);
static LIST_HEAD(pm_devs);
/**
@@ -67,9 +68,9 @@ struct pm_dev *pm_register(pm_dev_t type,
dev->id = id;
dev->callback = callback;
- down(&pm_devs_lock);
+ mutex_lock(&pm_devs_lock);
list_add(&dev->entry, &pm_devs);
- up(&pm_devs_lock);
+ mutex_unlock(&pm_devs_lock);
}
return dev;
}
@@ -85,9 +86,9 @@ struct pm_dev *pm_register(pm_dev_t type,
void pm_unregister(struct pm_dev *dev)
{
if (dev) {
- down(&pm_devs_lock);
+ mutex_lock(&pm_devs_lock);
list_del(&dev->entry);
- up(&pm_devs_lock);
+ mutex_unlock(&pm_devs_lock);
kfree(dev);
}
@@ -118,7 +119,7 @@ void pm_unregister_all(pm_callback callback)
if (!callback)
return;
- down(&pm_devs_lock);
+ mutex_lock(&pm_devs_lock);
entry = pm_devs.next;
while (entry != &pm_devs) {
struct pm_dev *dev = list_entry(entry, struct pm_dev, entry);
@@ -126,7 +127,7 @@ void pm_unregister_all(pm_callback callback)
if (dev->callback == callback)
__pm_unregister(dev);
}
- up(&pm_devs_lock);
+ mutex_unlock(&pm_devs_lock);
}
/**
@@ -234,7 +235,7 @@ int pm_send_all(pm_request_t rqst, void *data)
{
struct list_head *entry;
- down(&pm_devs_lock);
+ mutex_lock(&pm_devs_lock);
entry = pm_devs.next;
while (entry != &pm_devs) {
struct pm_dev *dev = list_entry(entry, struct pm_dev, entry);
@@ -246,13 +247,13 @@ int pm_send_all(pm_request_t rqst, void *data)
*/
if (rqst == PM_SUSPEND)
pm_undo_all(dev);
- up(&pm_devs_lock);
+ mutex_unlock(&pm_devs_lock);
return status;
}
}
entry = entry->next;
}
- up(&pm_devs_lock);
+ mutex_unlock(&pm_devs_lock);
return 0;
}

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