Re: [PATCH] coresight: cti: Correct the parameter for pm_runtime_put

From: Mathieu Poirier
Date: Thu Sep 02 2021 - 13:19:12 EST


Hi Tao,

Apologies for the late reply - this patch fell through the cracks.

On Thu, Aug 19, 2021 at 05:29:37PM +0800, Tao Zhang wrote:
> 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@xxxxxxxxxxx>
> ---
> 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 e2a3620..8988b2e 100644
> --- 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_drvdata *drvdata)
> coresight_disclaim_device_unlocked(csdev);
> CS_LOCK(drvdata->base);
> spin_unlock(&drvdata->spinlock);
> - pm_runtime_put(dev);
> + pm_runtime_put(dev->parent);

You are correct - I have added this patch to my next tree.

Thanks,
Mathieu

> return 0;
>
> /* not disabled this call */
> --
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