linux-kernel - Re: [PATCH 0/4] Apple/PASemi i2c error recovery fixes

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Message-ID: <CAEg-Je_qBWhfdzdgR=uxjR6kCM-p-N6OvhOyjG_YpWfc9C-kUQ@mail.gmail.com>
Date: Mon, 24 Feb 2025 16:48:44 -0500
From: Neal Gompa <neal@...pa.dev>
To: sven@...npeter.dev
Cc: Janne Grunau <j@...nau.net>, Alyssa Rosenzweig <alyssa@...enzweig.io>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Nicholas Piggin <npiggin@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	Naveen N Rao <naveen@...nel.org>, Andi Shyti <andi.shyti@...nel.org>, linuxppc-dev@...ts.ozlabs.org, 
	asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Hector Martin <marcan@...can.st>
Subject: Re: [PATCH 0/4] Apple/PASemi i2c error recovery fixes

On Sat, Feb 22, 2025 at 8:38 AM Sven Peter via B4 Relay
<devnull+sven.svenpeter.dev@...nel.org> wrote:
>
> 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@...npeter.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@...npeter.dev>
>
>
>

LGTM.

Reviewed-by: Neal Gompa <neal@...pa.dev>



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