diff options
Diffstat (limited to 'drivers/devfreq/devfreq.c')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index f840e61e5a27..425149e8bab0 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -921,7 +921,9 @@ int devfreq_suspend_device(struct devfreq *devfreq) } if (devfreq->suspend_freq) { + mutex_lock(&devfreq->lock); ret = devfreq_set_target(devfreq, devfreq->suspend_freq, 0); + mutex_unlock(&devfreq->lock); if (ret) return ret; } @@ -949,7 +951,9 @@ int devfreq_resume_device(struct devfreq *devfreq) return 0; if (devfreq->resume_freq) { + mutex_lock(&devfreq->lock); ret = devfreq_set_target(devfreq, devfreq->resume_freq, 0); + mutex_unlock(&devfreq->lock); if (ret) return ret; } |