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Commit 47cd066c authored by Mathieu Poirier's avatar Mathieu Poirier Committed by Greg Kroah-Hartman
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coresight: etm3x: set progbit to stop trace collection 



There is no need to use the event enable's "always false" event to
stop trace collection.  For that purpose setting the programming bit
(ETMCR:10) is enough.

Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 22fd532e

drivers/hwtracing/coresight/coresight-etm3x.c

+0 −3
Original line number Original line Diff line number Diff line
@@ -398,9 +398,6 @@ static void etm_disable_hw(void *info) 
	CS_UNLOCK(drvdata->base);

	CS_UNLOCK(drvdata->base);

	etm_set_prog(drvdata);

	etm_set_prog(drvdata);





	/* Program trace enable to low by using always false event */

	etm_writel(drvdata, ETM_HARD_WIRE_RES_A | ETM_EVENT_NOT_A, ETMTEEVR);



	/* Read back sequencer and counters for post trace analysis */

	/* Read back sequencer and counters for post trace analysis */

	config->seq_curr_state = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK);

	config->seq_curr_state = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK);