linux-kernel - Re: [PATCH 02/10] dt-bindings: net: dsa: mediatek,mt7530: change mt7530 switch address

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Date:   Wed, 14 Sep 2022 10:07:12 -0500
From:   Rob Herring <robh@...nel.org>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Sungbo Eo <mans0n@...ani.run>,
        Eric Dumazet <edumazet@...gle.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        linux-kernel@...r.kernel.org, DENG Qingfang <dqfext@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Paolo Abeni <pabeni@...hat.com>, erkin.bozoglu@...ont.com,
        Matthias Brugger <matthias.bgg@...il.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Sean Wang <sean.wang@...iatek.com>,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 02/10] dt-bindings: net: dsa: mediatek,mt7530: change
 mt7530 switch address

On Wed, 14 Sep 2022 11:54:43 +0300, Arınç ÜNAL wrote:
> In the case of muxing phy0 of the MT7530 switch, the switch and the phy
> will have the same address on the mdio bus, 0. This causes the ethernet
> driver to fail since devices on the mdio bus cannot share an address.
> 
> Any address can be used for the switch, therefore, change the switch
> address to 0x1f.
> 
> Suggested-by: Sungbo Eo <mans0n@...ani.run>
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---
>  .../bindings/net/dsa/mediatek,mt7530.yaml     | 24 +++++++++----------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 

Acked-by: Rob Herring <robh@...nel.org>