netdev - Re: [PATCH RFC 07/13] net: phy: add I2C mdio bus

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Message-ID: <20170726222202.GE7966@lunn.ch>
Date:   Thu, 27 Jul 2017 00:22:02 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Russell King <rmk+kernel@....linux.org.uk>
Cc:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH RFC 07/13] net: phy: add I2C mdio bus

On Tue, Jul 25, 2017 at 03:03:08PM +0100, Russell King wrote:
> Add an I2C MDIO bus bridge library, to allow phylib to access PHYs which
> are connected to an I2C bus instead of the more conventional MDIO bus.
> Such PHYs can be found in SFP adapters and SFF modules.
> 
> Since PHYs appear at I2C bus address 0x40..0x5f, and 0x50/0x51 are
> reserved for SFP EEPROMs/diagnostics, we must not allow the MDIO bus
> to access these I2C addresses.
> 
> Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew