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authorIngo Molnar <mingo@elte.hu>2011-12-20 20:32:03 +0100
committerIngo Molnar <mingo@elte.hu>2011-12-20 20:32:11 +0100
commitd87f69a16eb2cb96459117b06949a560679002e4 (patch)
treebbb55b2bd2b6c9e8bd4067aa3279783cb6bd9028 /drivers/devfreq/devfreq.c
parent124ba9403318d834ef21bcd899c22c870708d2c4 (diff)
parent384703b8e6cd4c8ef08512e596024e028c91c339 (diff)
Merge commit 'v3.2-rc6' into perf/core
Merge reason: Update with the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 5d15b812377..59d24e9cb8c 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;