netdev - Re: [PATCH net-next RFC 0/3] net: dsa: realtek: drop custom slave MII

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Message-ID: <20220629183112.m4ve2w6svych6ull@bang-olufsen.dk>
Date:   Wed, 29 Jun 2022 18:31:12 +0000
From:   Alvin Šipraga <ALSI@...g-olufsen.dk>
To:     Luiz Angelo Daros de Luca <luizluca@...il.com>
CC:     "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
        Arınç ÜNAL <arinc.unal@...nc9.com>
Subject: Re: [PATCH net-next RFC 0/3] net: dsa: realtek: drop custom slave MII

On Wed, Jun 29, 2022 at 06:14:56PM +0000, Alvin Šipraga wrote:
> If you want to avoid that debate, what you could do instead is add a
> const char *slave_mii_compatible; member to struct dsa_switch, and try
> searching in dsa_switch_setup() for a child node with that compatible if
> the lookup of a node named "mdio" fails. I don't know if this would help
> you do the same thing with other drivers.

Forgot to make it clear, but here I meant that a DSA driver could then
set ds->slave_mii_compatible = "realtek,smi-mdio" in its probe function
before calling dsa_register_switch(ds).