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    Subject[PATCH 5.15 160/917] coresight: cti: Correct the parameter for pm_runtime_put
    Date
    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 */

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