diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-02-17 17:51:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-20 14:11:01 -0800 |
| commit | 47cd066cd00a65902ee3bd57da5bd395cb83aff9 (patch) | |
| tree | 13ccec7a3a659c9437adce8ce1b2d1a071f1bb3c /drivers | |
| parent | 22fd532eaa0c24d86e23d8e9e3b7feac4a8cac80 (diff) | |
| download | linux-47cd066cd00a65902ee3bd57da5bd395cb83aff9.tar.gz linux-47cd066cd00a65902ee3bd57da5bd395cb83aff9.tar.bz2 linux-47cd066cd00a65902ee3bd57da5bd395cb83aff9.zip | |
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: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm3x.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c index e16501b41ed8..447459969cb5 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x.c +++ b/drivers/hwtracing/coresight/coresight-etm3x.c @@ -398,9 +398,6 @@ static void etm_disable_hw(void *info) CS_UNLOCK(drvdata->base); 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 */ config->seq_curr_state = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); |