coresight: tmc: Limit the trace to available data

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At present the ETF or ETR gives out the entire device
buffer, even if there is less or even no trace data
available. This patch limits the trace data given out to
the actual trace data collected.

Cc: 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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This commit is contained in:

Suzuki K Poulose 2016-08-25 15:18:57 -06:00 • committed by Greg Kroah-Hartman

parent 068c0a542f

commit 8505feaed9

4 changed files with 17 additions and 7 deletions

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2

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

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12

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

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6

drivers/hwtracing/coresight/coresight-tmc.c

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4

drivers/hwtracing/coresight/coresight-tmc.h

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