[PATCH 0/4] Apple/PASemi i2c error recovery fixes
Alyssa Rosenzweig
alyssa at rosenzweig.io
Mon Feb 24 10:14:02 PST 2025
Reviewed-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
Le Sat , Feb 22, 2025 at 01:38:32PM +0000, Sven Peter via B4 Relay a écrit :
> 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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