Subject: Re: [PATCH net-next v14 5/6] net: dsa: mv88e6xxx: Add support for mv88e6393x family of Marvell

From: Marek Behún <[email-masked]>
Date: Tue, 12 Jan 2021 19:06:29 +0100

On Tue, 12 Jan 2021 16:29:09 +0000
Russell King - ARM Linux admin <[email-masked]> wrote:

> I'm seriously thinking about changing the phylink_validate() interface
> such that the question of which link _modes_ are supported no longer
> comes up with MAC drivers, but instead MAC drivers say what interface
> modes, speeds for each interface mode, duplexes for each speed are
> supported.

BTW this would also solve the situation where DSA needs to know which
interface modes are supported on a particular port to know which modes
we can try on SFP connected to a DSA port.