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Subject[GIT PULL] Coresight changes for v5.19
Date
The following changes since commit ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e:

Linux 5.18-rc2 (2022-04-10 14:21:36 -1000)

are available in the Git repository at:

git@gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux.git tags/coresight-next-v5.19

for you to fetch changes up to 1adff542d67a2ed1120955cb219bfff8a9c53f59:

coresight: cpu-debug: Replace mutex with mutex_trylock on panic notifier (2022-05-09 16:03:24 +0100)

----------------------------------------------------------------
Coresight changes for v5.19

Good day Greg,

Please consider those for the the upcoming v5.19 merge window when you have time.

This pull request includes:

- Work to uniformise access to the ETMv4 registers, making it easier to
look for and change register accesses.

- A correction to a probing failure when looking for links between devices.

- The replacement of a call to mutex_lock() with a mutex_trylock() in the panic
notifier of the cpu-debug infrastructure to avoid a possible deadlock.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

----------------------------------------------------------------
Guilherme G. Piccoli (1):
coresight: cpu-debug: Replace mutex with mutex_trylock on panic notifier

James Clark (15):
coresight: etm4x: Cleanup TRCIDR0 register accesses
coresight: etm4x: Cleanup TRCIDR2 register accesses
coresight: etm4x: Cleanup TRCIDR3 register accesses
coresight: etm4x: Cleanup TRCIDR4 register accesses
coresight: etm4x: Cleanup TRCIDR5 register accesses
coresight: etm4x: Cleanup TRCCONFIGR register accesses
coresight: etm4x: Cleanup TRCEVENTCTL1R register accesses
coresight: etm4x: Cleanup TRCSTALLCTLR register accesses
coresight: etm4x: Cleanup TRCVICTLR register accesses
coresight: etm3x: Cleanup ETMTECR1 register accesses
coresight: etm4x: Cleanup TRCACATRn register accesses
coresight: etm4x: Cleanup TRCSSCCRn and TRCSSCSRn register accesses
coresight: etm4x: Cleanup TRCSSPCICRn register accesses
coresight: etm4x: Cleanup TRCBBCTLR register accesses
coresight: etm4x: Cleanup TRCRSCTLRn register accesses

Mao Jinlong (1):
coresight: core: Fix coresight device probe failure issue

drivers/hwtracing/coresight/coresight-core.c | 33 ++--
drivers/hwtracing/coresight/coresight-cpu-debug.c | 7 +-
drivers/hwtracing/coresight/coresight-etm3x-core.c | 2 +-
.../hwtracing/coresight/coresight-etm3x-sysfs.c | 2 +-
drivers/hwtracing/coresight/coresight-etm4x-core.c | 136 +++++-----------
.../hwtracing/coresight/coresight-etm4x-sysfs.c | 180 +++++++++++----------
drivers/hwtracing/coresight/coresight-etm4x.h | 120 +++++++++++---
7 files changed, 268 insertions(+), 212 deletions(-)

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