netdev - Re: [PATCH v4 2/3] net: ethernet: renesas: Add Ethernet Switch driver

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Message-ID: <ccd7f1fc-b2e2-7acf-d7fd-85191564603a@gmail.com>
Date:   Wed, 19 Oct 2022 19:23:26 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v4 2/3] net: ethernet: renesas: Add Ethernet Switch driver



On 10/19/2022 1:35 AM, Yoshihiro Shimoda wrote:
> Add Renesas Ethernet Switch driver for R-Car S4-8 to be used as an
> ethernet controller.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

How can this be a switch driver when it does not include any switchdev 
header files nor does it attempt to be using the DSA framework? You are 
certainly duplicating a lot of things that DSA would do for you like 
managing PHYs and registering per-port nework devices. Why?
-- 
Florian