diff options
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index c5998bd5ce02..316d8b783d94 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -1018,6 +1018,7 @@ static void tmc_disable(struct tmc_drvdata *drvdata, enum tmc_mode mode) { unsigned long flags; + mutex_lock(&drvdata->mem_lock); spin_lock_irqsave(&drvdata->spinlock, flags); if (drvdata->reading) goto out; @@ -1054,7 +1055,7 @@ out: } pm_runtime_put(drvdata->dev); - + mutex_unlock(&drvdata->mem_lock); dev_info(drvdata->dev, "TMC disabled\n"); } |