[PATCH v2 0/4] coresight: Fix miscellaneous problems with CLAIM tags

From: Mathieu Poirier
Date: Wed Nov 07 2018 - 18:08:57 EST


This set addresses problems observed with the CLAIM tag feature. The first
patch adds support for CLAIM tags to the ETB10 drivers. The remaining 3
patches deal with properly handling the tags on ETF and ETM3x devices.

Regards,
Mathieu

Changes since V1:
* Added Suzuki's review tags to patch 1 and 2.
* Addressed ordering issued in ETM3x enable/disable functions (Leo Yan)


Mathieu Poirier (4):
coresight: etb10: Add support for CLAIM tag
coresight: etf: Release CLAIM tag after disabling the HW
coresight: etm3x: Deal with CLAIM tag before and after accessing HW
coresight: etm3x: Release CLAIM tag when operated from perf

drivers/hwtracing/coresight/coresight-etb10.c | 23 +++++++++++++++++------
drivers/hwtracing/coresight/coresight-etm3x.c | 17 +++++++++--------
drivers/hwtracing/coresight/coresight-tmc-etf.c | 2 +-
3 files changed, 27 insertions(+), 15 deletions(-)

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2.7.4