netdev - Re: [PATCH net-next v15 07/14] net: ethtool: Introduce a command to list PHYs on an interface

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Date: Thu, 4 Jul 2024 10:03:02 +0200
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com, Andrew Lunn
 <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 linux-arm-kernel@...ts.infradead.org, Christophe Leroy
 <christophe.leroy@...roup.eu>, Herve Codina <herve.codina@...tlin.com>,
 Florian Fainelli <f.fainelli@...il.com>, Heiner Kallweit
 <hkallweit1@...il.com>, Vladimir Oltean <vladimir.oltean@....com>,
 Köry Maincent <kory.maincent@...tlin.com>, Jesse Brandeburg
 <jesse.brandeburg@...el.com>, Marek Behún
 <kabel@...nel.org>, Piergiorgio Beruto <piergiorgio.beruto@...il.com>,
 Oleksij Rempel <o.rempel@...gutronix.de>, Nicolò Veronese
 <nicveronese@...il.com>, Simon Horman <horms@...nel.org>,
 mwojtas@...omium.org, Nathan Chancellor <nathan@...nel.org>, Antoine Tenart
 <atenart@...nel.org>, Marc Kleine-Budde <mkl@...gutronix.de>, Dan Carpenter
 <dan.carpenter@...aro.org>
Subject: Re: [PATCH net-next v15 07/14] net: ethtool: Introduce a command to
 list PHYs on an interface

Hello Russell,

On Wed, 3 Jul 2024 15:52:12 +0100
"Russell King (Oracle)" <linux@...linux.org.uk> wrote:

> So, if we want to report the ID of the PHY, then really we need to
> report the clause 22 ID, and at least all the devids of each MMD in
> a clause 45 PHY. Alternatively, we may decide it isn't worth the
> effort of reporting any of these IDs.
> 
> However, reporting just the clause 22 ID would be a design error
> IMHO.

I don't have any strong reason to keep exporting the PHY id. Reporting
the driver name is enough to get a good idea of the nature of the
device, I'll drop that field then.

Thanks for taking a look,

Maxime