linux-kernel - Re: [net-next RFC PATCH 00/14] net: phy: Support DT PHY package

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Message-ID: <20231120161131.2c0e2892@device.home>
Date:   Mon, 20 Nov 2023 16:11:31 +0100
From:   Maxime Chevallier <maxime.chevallier@...tlin.com>
To:     Christian Marangi <ansuelsmth@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Qingfang Deng <dqfext@...il.com>,
        SkyLake Huang <SkyLake.Huang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        David Epping <david.epping@...singlinkelectronics.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        Harini Katakam <harini.katakam@....com>,
        Simon Horman <horms@...nel.org>,
        Robert Marko <robert.marko@...tura.hr>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [net-next RFC PATCH 00/14] net: phy: Support DT PHY package

Hello Christian,

On Mon, 20 Nov 2023 14:50:27 +0100
Christian Marangi <ansuelsmth@...il.com> wrote:

> Idea of this big series is to introduce the concept of PHY package in DT
> and generalize the support of it by PHY driver.

I don't have much to say on the series itself, I looked at it and
didn't find anything obviously wrong, however know that this work can
also be helpful for some other use-cases. I have in mind the Marvell
Alaska 88e1543 PHY, which is a 4-port package that can either be used
as a classic Quad-PHY, or a Dual-PHY, each PHY having 2 ports. Having a
DT description of the package is a good step towards being able to
auto-detect which configuration to use for that package.

Thanks for this work,

Maxime