linux-kernel - Re: [PATCH] Revert "i2c: core: support bus regulator controlling in adapter"

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Date:   Wed, 12 Jan 2022 12:51:31 +0300
From:   Konstantin Kharlamov <hi-angel@...dex.ru>
To:     Wolfram Sang <wsa@...nel.org>, linux-i2c@...r.kernel.org
Cc:     "Tareque Md.Hanif" <tarequemd.hanif@...oo.com>,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Subject: Re: [PATCH] Revert "i2c: core: support bus regulator controlling in
 adapter"

On Wed, 2022-01-12 at 10:32 +0100, Wolfram Sang wrote:
> Hi everyone,
> 
> On Thu, Jan 06, 2022 at 01:24:52PM +0100, Wolfram Sang wrote:
> > This largely reverts commit 5a7b95fb993ec399c8a685552aa6a8fc995c40bd. It
> > breaks suspend with AMD GPUs, and we couldn't incrementally fix it. So,
> > let's remove the code and go back to the drawing board. We keep the
> > header extension to not break drivers already populating the regulator.
> > We expect to re-add the code handling it soon.
> > 
> > Reported-by: "Tareque Md.Hanif" <tarequemd.hanif@...oo.com>
> > Link:
> > https://lore.kernel.org/r/1295184560.182511.1639075777725@mail.yahoo.com
> > Reported-by: Konstantin Kharlamov <hi-angel@...dex.ru>
> > Link:
> > https://lore.kernel.org/r/7143a7147978f4104171072d9f5225d2ce355ec1.camel@yandex.ru
> > BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1850
> > Signed-off-by: Wolfram Sang <wsa@...nel.org>
> 
> So, it has been reverted now. Is someone of the original patch
> submitters interested in re-adding it? And would the reporters of the
> regression be available for further testing?

I am available for further testing.

> Thanks and happy hacking,
> 
>    Wolfram
>