netdev - Re: mv88e6240 configuration broken for B850v3

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Message-ID: <Ya9rKuAZTCzru9xz@lunn.ch>
Date:   Tue, 7 Dec 2021 15:09:46 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        Martyn Welch <martyn.welch@...labora.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org, kernel@...labora.com
Subject: Re: mv88e6240 configuration broken for B850v3

> I can understand between MLO_AN_INBAND and MLO_AN_PHY, but isn't it
> reasonable that a "fixed" link is "fixed" and doesn't change?

Actually, it can. You can register a callback with
fixed_phy_set_link_update() and it gets called on each mdio read. It
is mainly there to change the link up/down status, but you can also
change the speed.

       Andrew