coresight: tmc-etr: Refactor function tmc_etr_setup_perf_buf()

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Refactoring function tmc_etr_setup_perf_buf() so that it only deals
with the high level etr_perf_buffer, leaving the allocation of the
backend buffer (i.e etr_buf) to another function.

That way the backend buffer allocation function can decide if it wants
to reuse an existing buffer (CPU-wide trace scenarios) or simply create
a new one.

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 13:53:02 -06:00 • committed by Greg Kroah-Hartman

parent a0f08a6a9f

commit 855ab61c16

1 changed files with 30 additions and 9 deletions

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drivers/hwtracing/coresight/coresight-tmc-etr.c

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