summaryrefslogtreecommitdiff
path: root/drivers/devfreq/devfreq.c
diff options
context:
space:
mode:
authorPekka Enberg <penberg@kernel.org>2012-01-11 23:11:29 +0400
committerPekka Enberg <penberg@kernel.org>2012-01-11 23:11:29 +0400
commit5878cf431ca7233a56819ca6970153ac0b129599 (patch)
treee5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /drivers/devfreq/devfreq.c
parent74ee4ef1f901fbb014bdcdc9171d126490ce2b62 (diff)
parentb13683d1cc14d1dd30b8e20f3ebea3f814ad029f (diff)
downloadlinux-5878cf431ca7233a56819ca6970153ac0b129599.tar.xz
Merge branch 'slab/urgent' into slab/for-linus
Diffstat (limited to 'drivers/devfreq/devfreq.c')
-rw-r--r--drivers/devfreq/devfreq.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 5d15b812377b..59d24e9cb8c5 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -15,7 +15,9 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/stat.h>
#include <linux/opp.h>
#include <linux/devfreq.h>
#include <linux/workqueue.h>
@@ -416,10 +418,14 @@ out:
*/
int devfreq_remove_device(struct devfreq *devfreq)
{
+ bool central_polling;
+
if (!devfreq)
return -EINVAL;
- if (!devfreq->governor->no_central_polling) {
+ central_polling = !devfreq->governor->no_central_polling;
+
+ if (central_polling) {
mutex_lock(&devfreq_list_lock);
while (wait_remove_device == devfreq) {
mutex_unlock(&devfreq_list_lock);
@@ -431,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq)
mutex_lock(&devfreq->lock);
_remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
- if (!devfreq->governor->no_central_polling)
+ if (central_polling)
mutex_unlock(&devfreq_list_lock);
return 0;