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Coresight changes for v5.19

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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>
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Merge tag 'coresight-next-v5.19' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Mathieu writes:

Coresight changes for v5.19

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>

* tag 'coresight-next-v5.19' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux:
  coresight: cpu-debug: Replace mutex with mutex_trylock on panic notifier
  coresight: core: Fix coresight device probe failure issue
  coresight: etm4x: Cleanup TRCRSCTLRn register accesses
  coresight: etm4x: Cleanup TRCBBCTLR register accesses
  coresight: etm4x: Cleanup TRCSSPCICRn register accesses
  coresight: etm4x: Cleanup TRCSSCCRn and TRCSSCSRn register accesses
  coresight: etm4x: Cleanup TRCACATRn register accesses
  coresight: etm3x: Cleanup ETMTECR1 register accesses
  coresight: etm4x: Cleanup TRCVICTLR register accesses
  coresight: etm4x: Cleanup TRCSTALLCTLR register accesses
  coresight: etm4x: Cleanup TRCEVENTCTL1R register accesses
  coresight: etm4x: Cleanup TRCCONFIGR register accesses
  coresight: etm4x: Cleanup TRCIDR5 register accesses
  coresight: etm4x: Cleanup TRCIDR4 register accesses
  coresight: etm4x: Cleanup TRCIDR3 register accesses
  coresight: etm4x: Cleanup TRCIDR2 register accesses
  coresight: etm4x: Cleanup TRCIDR0 register accesses
This commit is contained in:
Greg Kroah-Hartman 2022-05-19 17:16:37 +02:00
commit 9c518db640
7 changed files with 268 additions and 212 deletions
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