coresight: tmc: make sysFS and Perf mode mutually exclusive

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The sysFS and Perf access methods can't be allowed to interfere
with one another.  As such introducing guards to access
functions that prevents moving forward if a TMC is already
being used.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathieu Poirier 2016-05-03 11:33:56 -06:00 • committed by Greg Kroah-Hartman

parent a40318fb01

commit b217601e9a

2 changed files with 117 additions and 5 deletions

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60

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

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62

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

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