netdev - Re: [PATCH net-next] net: phy: Synchronize c45_ids to phy

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Message-ID: <098e1f6a-1e0f-4819-98d7-146a28110043@lunn.ch>
Date: Fri, 23 May 2025 15:03:43 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Yajun Deng <yajun.deng@...ux.dev>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: phy: Synchronize c45_ids to phy_id


> > The second point has already been made by Russell, there are lots of
> > 
> > different C45 IDs, and phylib will try to find a driver based on any
> > 
> > of them.
> 
> I noticed that. I tested the BCM89890, 88X3310 and 88Q2110 PHY devices,
> and the ID is always the same in different MMDs.

Try a Marvel 10G PHY. They have different IDs. It has been speculated
Marvell licensed part of the PHY from a different vendor, and you see
the vendors OUI in some locations.

	Andrew