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author | Andrew Murray <andrew.murray@arm.com> | 2019-08-29 14:28:34 -0600 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-03 22:01:16 +0200 |
commit | 6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a (patch) | |
tree | 7e04812dee60a839442d543978f9c775664a287e /drivers/hwtracing | |
parent | 6c87bedc9e9c922093bec602687d991669eccc64 (diff) | |
download | linux-6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a.tar.gz linux-6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a.tar.bz2 linux-6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a.zip |
coresight: etm4x: Remove superfluous setting of os_unlock
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>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 28bcc0e58d7a..7ad15651e069 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -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]); |