coresight: cti: Add CPU Hotplug handling to CTI driver

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Adds registration of CPU start and stop functions to CPU hotplug
mechanisms - for any CPU bound CTI.

Sets CTI powered flag according to state.
Will enable CTI on CPU start if there are existing enable requests.

Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200518180242.7916-23-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mike Leach 2020-05-18 12:02:41 -06:00 • committed by Greg Kroah-Hartman

parent 3f4943d422

commit e9b880581d

2 changed files with 93 additions and 0 deletions

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92

drivers/hwtracing/coresight/coresight-cti.c

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1

include/linux/cpuhotplug.h

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