netdev - Re: [PATCH net-next v4 1/4] net: phy: mdio-i2c: support I2C MDIO protocol for RollBall SFP modules

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Message-ID: <X/2sCciKK9kVwnog@lunn.ch>
Date:   Tue, 12 Jan 2021 15:02:49 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Marek Behún <kabel@...nel.org>,
        netdev@...r.kernel.org, Russell King <rmk+kernel@...linux.org.uk>,
        Jakub Kicinski <kuba@...nel.org>, davem@...emloft.net,
        pali@...nel.org
Subject: Re: [PATCH net-next v4 1/4] net: phy: mdio-i2c: support I2C MDIO
 protocol for RollBall SFP modules

> I'd think that mdio-i2c.c is for generic code. When adding a
> vendor-specific protocol, wouldn't it make sense to use a dedicated
> source file for it?

Hi Heiner

There is no standardised way to access MDIO over i2c. So the existing
code is vendor code, even if it is used by a few different vendors.

     Andrew