From: Tao Zhang <quic_taozha@quicinc.com> stable inclusion from stable-5.10.80 commit a4e7a8c4321faa4e64868f4d79a29fa0f1c805d7 bugzilla: 185821 https://gitee.com/openeuler/kernel/issues/I4L7CG Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- 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@quici... Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Reviewed-by: Weilong Chen <chenweilong@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/hwtracing/coresight/coresight-cti-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c index 61dbc1afd8da..7ea93598f0ee 100644 --- a/drivers/hwtracing/coresight/coresight-cti-core.c +++ b/drivers/hwtracing/coresight/coresight-cti-core.c @@ -174,7 +174,7 @@ static int cti_disable_hw(struct cti_drvdata *drvdata) coresight_disclaim_device_unlocked(drvdata->base); CS_LOCK(drvdata->base); spin_unlock(&drvdata->spinlock); - pm_runtime_put(dev); + pm_runtime_put(dev->parent); return 0; /* not disabled this call */ -- 2.20.1