tree 0ac7a58c889e858e0461df9adc3e8379e01a5bf7
parent a8433138c41b421900a5a4bb4caa5c589cea3878
author Suzuki K Poulose <suzuki.poulose@arm.com> 1537471066 -0600
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1542136613 -0800

coresight: etb10: Fix handling of perf mode

[ Upstream commit 987d1e8dcd370d96029a3d76a0031b043c4a69ae ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>