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coresight: etm4x: Remove superfluous setting of os_unlock

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In addition to unlocking the OS lock, etm4_os_unlock will also
set the os_unlock flag. Therefore let's avoid unnecessarily
setting os_unlock flag outside of this function.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[Fixed capital letter for "remove" in the title]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20190829202842.580-10-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrew Murray 2019-08-29 14:28:34 -06:00 committed by Greg Kroah-Hartman
parent 6c87bedc9e
commit 6d7651015c
1 changed files with 1 additions and 3 deletions
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4
drivers/hwtracing/coresight/coresight-etm4x.c
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@ -1047,10 +1047,8 @@ static int etm4_starting_cpu(unsigned int cpu)
return 0;
spin_lock(&etmdrvdata[cpu]->spinlock);
if (!etmdrvdata[cpu]->os_unlock) {
if (!etmdrvdata[cpu]->os_unlock)
etm4_os_unlock(etmdrvdata[cpu]);
etmdrvdata[cpu]->os_unlock = true;
}
if (local_read(&etmdrvdata[cpu]->mode))
etm4_enable_hw(etmdrvdata[cpu]);