Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
Date:   Mon, 9 May 2022 13:16:38 +0200
From:   LABBE Corentin <clabbe@baylibre.com>
To:     Andre Przywara <andre.przywara@arm.com>
Cc:     alexandre.torgue@foss.st.com, andrew@lunn.ch, broonie@kernel.org,
        calvin.johnson@oss.nxp.com, davem@davemloft.net,
        edumazet@google.com, hkallweit1@gmail.com,
        jernej.skrabec@gmail.com, joabreu@synopsys.com,
        krzysztof.kozlowski+dt@linaro.org, kuba@kernel.org,
        lgirdwood@gmail.com, linux@armlinux.org.uk, pabeni@redhat.com,
        peppe.cavallaro@st.com, robh+dt@kernel.org, samuel@sholland.org,
        wens@csie.org, netdev@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@lists.linux.dev
Subject: Re: [PATCH 4/6] ARM: dts: sunxi: move phy regulator in PHY node
Message-ID: <Ynj4FlyhZ3lEtLBT@Red>
References: <20220509074857.195302-1-clabbe@baylibre.com>
 <20220509074857.195302-5-clabbe@baylibre.com>
 <20220509115533.1493db30@donnerap.cambridge.arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20220509115533.1493db30@donnerap.cambridge.arm.com>
Precedence: bulk

Le Mon, May 09, 2022 at 11:55:33AM +0100, Andre Przywara a ?crit :
> On Mon,  9 May 2022 07:48:55 +0000
> Corentin Labbe <clabbe@baylibre.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.