diff options
| -rw-r--r-- | arch/arm/oprofile/common.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 5b1d752edbc3..02e5d6f45166 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -78,15 +78,19 @@ static void pmu_stop(void) #ifdef CONFIG_PM static int pmu_suspend(struct sys_device *dev, pm_message_t state) { + down(&pmu_sem); if (pmu_enabled) - pmu_stop(); + pmu_model->stop(); + up(&pmu_sem); return 0; } static int pmu_resume(struct sys_device *dev) { - if (pmu_enabled) - pmu_start(); + down(&pmu_sem); + if (pmu_enabled && pmu_model->start()) + pmu_enabled = 0; + up(&pmu_sem); return 0; } |