coresight: tmc-etr: Introduce the notion of IDR to ETR devices

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In CPU-wide scenarios with an N:1 source/sink topology, sources share
the same sink.  In order to reuse the same sink for all sources an
IDR is needed to archive events that have already been accounted for.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathieu Poirier 2019-04-25 13:53:06 -06:00 • committed by Greg Kroah-Hartman

parent 57549999b9

commit c5ff734462

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4

drivers/hwtracing/coresight/coresight-tmc.c

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6

drivers/hwtracing/coresight/coresight-tmc.h

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