linux-kernel - Re: [PATCH 0/4] i2c: core: add generic GPIO bus recovery

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Date:   Wed, 5 Aug 2020 10:52:36 +0200
From:   <wsa@...nel.org>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
Cc:     <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <robh+dt@...nel.org>,
        <ludovic.desroches@...rochip.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <linux@...linux.org.uk>,
        <kamel.bouhara@...tlin.com>
Subject: Re: [PATCH 0/4] i2c: core: add generic GPIO bus recovery

Codrin, everyone

> This patch series was previously sent as a RFC. Significant changes
> since RFC:
> - "recovery" pinctrl state marked as deprecared in bindings;
> - move to "gpio" pinctrl state done after the call to prepare_recovery()
>   callback;
> - glitch protection when SDA gpio is taken at initialization;

Thanks for the fast update, now all merged for inclusion into 5.9. I
think it is really good, but to verify and double check, I think two
things would be even better..

One thing, I'll definately be doing is to add this feature to
i2c-sh_mobile.c and scope the results.

The other thing would be to convert the PXA driver and see if our
generic support can help their advanced use case or if we are missing
something. Codrin, do you have maybe time and interest to do that? That
would be awesome!

Happy hacking and kind regards,

   Wolfram

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