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Date:   Mon, 16 Jan 2023 21:28:48 +0200
From:   Vladimir Oltean <olteanv@gmail.com>
To:     Michael Walle <michael@walle.cc>
Cc:     Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Jose Abreu <Jose.Abreu@synopsys.com>,
        Sergey Shtylyov <s.shtylyov@omp.ru>,
        Wei Fang <wei.fang@nxp.com>,
        Shenwei Wang <shenwei.wang@nxp.com>,
        Clark Wang <xiaoning.wang@nxp.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
        DENG Qingfang <dqfext@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-renesas-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Luiz Angelo Daros de Luca <luizluca@gmail.com>
Subject: Re: [PATCH RFC net-next v2 11/12] net: dsa: Separate C22 and C45
 MDIO bus transaction methods
Message-ID: <20230116192848.bi7bs5e55pdlxffm@skbuf>
References: <20221227-v6-2-rc1-c45-seperation-v2-0-ddb37710e5a7@walle.cc>
 <20221227-v6-2-rc1-c45-seperation-v2-0-ddb37710e5a7@walle.cc>
 <20221227-v6-2-rc1-c45-seperation-v2-11-ddb37710e5a7@walle.cc>
 <20221227-v6-2-rc1-c45-seperation-v2-11-ddb37710e5a7@walle.cc>
 <20230103153134.utalc6kw3l34dp4s@skbuf>
 <Y7ROa8ql9R5SHPsK@lunn.ch>
 <20230103155633.tfdxncl75s4tb2ln@skbuf>
 <6208c429b0b5541a4f6d2a8556ae1fcb@walle.cc>
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On Mon, Jan 16, 2023 at 08:51:55AM +0100, Michael Walle wrote:
> Hi,
> 
> Am 2023-01-03 16:56, schrieb Vladimir Oltean:
> > > So Luiz patches may allow a C45 bus, but are there any drivers today
> > > actually using it?
> > 
> > I sent a private email to Luiz a few minutes ago asking him to confirm.
> 
> Any news here? Do we need the c45 methods?

No news it seems. I am going to default to assuming that no, a ds->slave_mii_bus
created by dsa_switch_setup() does not need C45 accessors.

This patch should be modified to only touch the mt7530 driver, and
adjust the commit message accordingly. I see no connection to what the
DSA core does.