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authorAndrew Murray <andrew.murray@arm.com>2019-08-29 14:28:34 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-03 22:01:16 +0200
commit6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a (patch)
tree7e04812dee60a839442d543978f9c775664a287e /drivers/hwtracing
parent6c87bedc9e9c922093bec602687d991669eccc64 (diff)
downloadlinux-6d7651015c16e1ee3576edbb5e88ba24f0f1fe7a.tar.bz2
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.c4
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]);