diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index f684283890d3..33501777038a 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -1392,7 +1392,7 @@ static int tmc_enable_etr_sink(struct coresight_device *csdev, return -EINVAL; } -static void tmc_disable_etr_sink(struct coresight_device *csdev) +static int tmc_disable_etr_sink(struct coresight_device *csdev) { unsigned long flags; struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); @@ -1400,7 +1400,7 @@ static void tmc_disable_etr_sink(struct coresight_device *csdev) spin_lock_irqsave(&drvdata->spinlock, flags); if (drvdata->reading) { spin_unlock_irqrestore(&drvdata->spinlock, flags); - return; + return -EBUSY; } /* Disable the TMC only if it needs to */ @@ -1412,6 +1412,7 @@ static void tmc_disable_etr_sink(struct coresight_device *csdev) spin_unlock_irqrestore(&drvdata->spinlock, flags); dev_dbg(drvdata->dev, "TMC-ETR disabled\n"); + return 0; } static const struct coresight_ops_sink tmc_etr_sink_ops = { |