intel_th: msu: Factor out pipeline draining

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The code that waits for the pipeline empty condition of the MSU is
currently called in the path that disables the trace. We will also
need this in the window switch trigger sequence. Therefore, factor
out this code and make it accessible to the GTH device.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alexander Shishkin 2019-05-03 11:44:46 +03:00 • committed by Greg Kroah-Hartman

parent ba39bd8306

commit 8d4155126e

3 changed files with 29 additions and 10 deletions

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7

drivers/hwtracing/intel_th/gth.c

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4

drivers/hwtracing/intel_th/intel_th.h

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28

drivers/hwtracing/intel_th/msu.c

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