[PATCH 5.14 187/849] coresight: cti: Correct the parameter for pm_runtime_put

Greg Kroah-Hartman
2021-11-16T01:43:57Z

From: Tao Zhang <quic_taozha@quicinc.com>

commit 692c9a499b286ea478f41b23a91fe3873b9e1326 upstream.

The input parameter of the function pm_runtime_put should be the
same in the function cti_enable_hw and cti_disable_hw. The correct
parameter to use here should be dev->parent.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Fixes: 835d722ba10a ("coresight: cti: Initial CoreSight CTI Driver")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1629365377-5937-1-git-send-email-quic_taozha@quicinc.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/hwtracing/coresight/coresight-cti-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwtracing/coresight/coresight-cti-core.c
+++ b/drivers/hwtracing/coresight/coresight-cti-core.c
@@ -175,7 +175,7 @@ static int cti_disable_hw(struct cti_drv
coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
spin_unlock(&drvdata->spinlock);
- pm_runtime_put(dev);
+ pm_runtime_put(dev->parent);
return 0;

/* not disabled this call */