linux-kernel - Re: [PATCH 4/6] ARM: dts: sunxi: move phy regulator in PHY node

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Message-ID: <Ynj4FlyhZ3lEtLBT@Red>
Date:   Mon, 9 May 2022 13:16:38 +0200
From:   LABBE Corentin <clabbe@...libre.com>
To:     Andre Przywara <andre.przywara@....com>
Cc:     alexandre.torgue@...s.st.com, andrew@...n.ch, broonie@...nel.org,
        calvin.johnson@....nxp.com, davem@...emloft.net,
        edumazet@...gle.com, hkallweit1@...il.com,
        jernej.skrabec@...il.com, joabreu@...opsys.com,
        krzysztof.kozlowski+dt@...aro.org, kuba@...nel.org,
        lgirdwood@...il.com, linux@...linux.org.uk, pabeni@...hat.com,
        peppe.cavallaro@...com, robh+dt@...nel.org, samuel@...lland.org,
        wens@...e.org, netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 4/6] ARM: dts: sunxi: move phy regulator in PHY node

Le Mon, May 09, 2022 at 11:55:33AM +0100, Andre Przywara a écrit :
> On Mon,  9 May 2022 07:48:55 +0000
> Corentin Labbe <clabbe@...libre.com> wrote:
> 
> Hi!
> 
> > Now that PHY core can handle regulators, move regulator handle in PHY
> > node.
> 
> Other than this is somewhat more "correct", is it really needed for those
> boards? Because it breaks compatibility with older kernels, so when we
> update the DTs in U-Boot, we run into problems (again).
> 
> IIUC this series is about the OPi3 & friends, which didn't work with older
> kernels anyway, so can we just skip this patch (and 5/6), to just enable
> the boards that didn't work before?
> 
> Cheers,
> Andre
> 

We could have a situation where stmmac handle phy for older boards, and PHY core handle them for new boards.
Up to maintainers to see if they want a split situation or not.