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coresight: etm3x: Release CLAIM tag when operated from perf
This patch deals with the release of the CLAIM tag when the ETM is operated from perf. Otherwise the tag is left asserted and subsequent requests to use the device fail. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -601,6 +601,7 @@ static void etm_disable_perf(struct coresight_device *csdev)
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* power down the tracer.
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*/
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etm_set_pwrdwn(drvdata);
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coresight_disclaim_device_unlocked(drvdata->base);
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CS_LOCK(drvdata->base);
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}
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