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coresight: etm4x: Add support for handling errors
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Thu, 20 Sep 2018 19:18:07 +0000 (13:18 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 25 Sep 2018 18:09:18 +0000 (20:09 +0200)
commit2fd7e0956389c4877f4c6b1f1a81805a27f7d319
tree34a2e6bc63af425101d8082a10eebaa6c39db874tree | snapshot
parent802354b8bbec7aad645b31db66222c31bd0184becommit | diff
coresight: etm4x: Add support for handling errors

Add support for handling errors in enabling the component.
The ETM is enabled via cross call to owner CPU. Make
necessary changes to report the error back from the cross
call.

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-etm4x.c diff | blob | history
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