coresight: tmc: keep track of memory width

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Accessing the HW configuration register each time the memory
width is needed simply doesn't make sense.  It is much more
efficient to read the value once and keep a reference for
later use.

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 11:33:57 -06:00 • committed by Greg Kroah-Hartman

parent b217601e9a

commit 4f1ff3de92

3 changed files with 41 additions and 17 deletions

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14

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

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34

drivers/hwtracing/coresight/coresight-tmc.c

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10

drivers/hwtracing/coresight/coresight-tmc.h

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