coresight: etm4x: Add support for handling errors

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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>

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Suzuki K Poulose 2018-09-20 13:18:07 -06:00 • committed by Greg Kroah-Hartman

parent 1d364034aa

commit e006d89abe

1 changed files with 26 additions and 13 deletions

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drivers/hwtracing/coresight/coresight-etm4x.c

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