coresight: etb10: Fix handling of perf mode
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Thu, 20 Sep 2018 19:17:46 +0000 (13:17 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 25 Sep 2018 18:09:17 +0000 (20:09 +0200)
commit987d1e8dcd370d96029a3d76a0031b043c4a69ae
tree88c4edd4ab0e2cbb6b39d413a01e16db90d6c130
parentc71369de02b285d9da526a526d8f2affc7b17c59
coresight: etb10: Fix handling of perf mode

If the ETB is already enabled in sysfs mode, the ETB reports
success even if a perf mode is requested. Fix this by checking
the requested mode.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hwtracing/coresight/coresight-etb10.c