linux-kernel - Re: [PATCH net-next 1/4] net: mdio: Introduce a regmap-based mdio driver

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Message-ID: <8f779d98-d437-4d8b-914d-8e315b4aca17@lunn.ch>
Date:   Wed, 24 May 2023 19:30:51 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc:     Mark Brown <broonie@...nel.org>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexis.lothore@...tlin.com, thomas.petazzoni@...tlin.com,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: Re: [PATCH net-next 1/4] net: mdio: Introduce a regmap-based mdio
 driver

> +	mii->name = DRV_NAME;
> +	strscpy(mii->id, config->name, MII_BUS_ID_SIZE);
> +	mii->parent = config->parent;
> +	mii->read = mdio_regmap_read_c22;
> +	mii->write = mdio_regmap_write_c22;

Since there is only one valid address on the bus, you can set
mii->phy_mask to make the scanning of the bus a little faster.

	Andrew