[PATCH 0/4] Apple/PASemi i2c error recovery fixes

Sven Peter via B4 Relay devnull+sven.svenpeter.dev at kernel.org
Sun Feb 23 00:38:32 AEDT 2025


Hi,

This series adds a few fixes/improvements to the error recovery for
Apple/PASemi i2c controllers.
The patches have been in our downstream tree and were originally used
to debug a rare glitch caused by clock strechting but are useful in
general. We haven't seen the controller misbehave since adding these.

Best,

Sven

Signed-off-by: Sven Peter <sven at svenpeter.dev>
---
Hector Martin (3):
      i2c: pasemi: Improve error recovery
      i2c: pasemi: Enable the unjam machine
      i2c: pasemi: Log bus reset causes

Sven Peter (1):
      i2c: pasemi: Add registers bits and switch to BIT()

 drivers/i2c/busses/i2c-pasemi-core.c | 121 ++++++++++++++++++++++++++---------
 1 file changed, 92 insertions(+), 29 deletions(-)
---
base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
change-id: 20250220-pasemi-fixes-916cb77404ba

Best regards,
-- 
Sven Peter <sven at svenpeter.dev>




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