diff options
| author |   Mathieu Poirier <mathieu.poirier@linaro.org> | 2019-04-25 13:52:55 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 22:00:16 +0200 |
| commit | 6c817a95d84b8388e97d4e2b6ee361a660e244e9 (patch) | |
| tree | d75b790e06594a6725d944ab3150c8822c57391f /drivers/hwtracing/coresight/coresight-etb10.c | |
| parent | coresight: etm4x: Configure tracers to emit timestamps (diff) | |
| download | linux-dev-6c817a95d84b8388e97d4e2b6ee361a660e244e9.tar.xz linux-dev-6c817a95d84b8388e97d4e2b6ee361a660e244e9.zip | |
coresight: Adding return code to sink::disable() operation
In preparation to handle device reference counting inside of the sink
drivers, add a return code to the sink::disable() operation so that
proper action can be taken if a sink has not been disabled.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etb10.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etb10.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c index 13c0a601d3be..23b049cef19a 100644 --- a/drivers/hwtracing/coresight/coresight-etb10.c +++ b/drivers/hwtracing/coresight/coresight-etb10.c @@ -317,7 +317,7 @@ static void etb_disable_hw(struct etb_drvdata *drvdata) coresight_disclaim_device(drvdata->base); } -static void etb_disable(struct coresight_device *csdev) +static int etb_disable(struct coresight_device *csdev) { struct etb_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); unsigned long flags; @@ -332,6 +332,7 @@ static void etb_disable(struct coresight_device *csdev) spin_unlock_irqrestore(&drvdata->spinlock, flags); dev_dbg(drvdata->dev, "ETB disabled\n"); + return 0; } static void *etb_alloc_buffer(struct coresight_device *csdev, int cpu, |