diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 3dc989d4fcab..88a0fc375b4d 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -1231,14 +1231,14 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev) * touched, even if the buffer size has changed. */ if (local_read(&csdev->mode) == CS_MODE_SYSFS) { - atomic_inc(&csdev->refcnt); + csdev->refcnt++; goto out; } ret = tmc_etr_enable_hw(drvdata, sysfs_buf); if (!ret) { local_set(&csdev->mode, CS_MODE_SYSFS); - atomic_inc(&csdev->refcnt); + csdev->refcnt++; } out: @@ -1564,7 +1564,7 @@ tmc_update_etr_buffer(struct coresight_device *csdev, spin_lock_irqsave(&drvdata->spinlock, flags); /* Don't do anything if another tracer is using this sink */ - if (atomic_read(&csdev->refcnt) != 1) { + if (csdev->refcnt != 1) { spin_unlock_irqrestore(&drvdata->spinlock, flags); goto out; } @@ -1676,7 +1676,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data) * use for this session. */ if (drvdata->pid == pid) { - atomic_inc(&csdev->refcnt); + csdev->refcnt++; goto unlock_out; } @@ -1686,7 +1686,7 @@ static int tmc_enable_etr_sink_perf(struct coresight_device *csdev, void *data) drvdata->pid = pid; local_set(&csdev->mode, CS_MODE_PERF); drvdata->perf_buf = etr_perf->etr_buf; - atomic_inc(&csdev->refcnt); + csdev->refcnt++; } unlock_out: @@ -1719,7 +1719,8 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev) return -EBUSY; } - if (atomic_dec_return(&csdev->refcnt)) { + csdev->refcnt--; + if (csdev->refcnt) { spin_unlock_irqrestore(&drvdata->spinlock, flags); return -EBUSY; } |