netdev - Re: [net-next PATCH 3/8] net: phy: Add 25G-CR, 50G-CR, 100G-CR2 support to C45 genphy

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Message-ID: <59f1c869-58c0-4158-82d7-e7b11870b790@lunn.ch>
Date: Tue, 28 Oct 2025 13:57:19 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Alexander Duyck <alexander.duyck@...il.com>
Cc: netdev@...r.kernel.org, kuba@...nel.org, kernel-team@...a.com,
	andrew+netdev@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
	pabeni@...hat.com, davem@...emloft.net
Subject: Re: [net-next PATCH 3/8] net: phy: Add 25G-CR, 50G-CR, 100G-CR2
 support to C45 genphy

On Fri, Oct 24, 2025 at 01:40:53PM -0700, Alexander Duyck wrote:
> From: Alexander Duyck <alexanderduyck@...com>
> 
> Add support for 25G-CR, 50G-CR, 50G-CR2, and 100G-CR2 the c45 genphy. Note
> that 3 of the 4 are IEEE compliant so they are a direct copy from the
> clause 45 specification, the only exception to this is 50G-CR2 which is
> part of the Ethernet Consortium specification which never referenced how to
> handle this in the MDIO registers.

Does the Ethernet Consortium have other media types which are not in
802.3? Does your scheme work for all of them?

	Andrew