Re: [PATCH] net: phy: mxl-gpy: add 2.5G for MXL68211C
From: Andrew Lunn
Date: Tue Sep 22 2026 - 08:34:22 EST
On Tue, Sep 22, 2026 at 01:25:09PM +0200, Rouven Czerwinski via B4 Relay wrote:
> From: Rouven Czerwinski <rouven.czerwinski@xxxxxxxxxx>
>
> The MXL86211C also supports 2.5G via 2500BASEX, switch the config init
> to indicate support for that mode. Datasheet checks indicate that the
> 2.5G speed indication is the same between GPY211 & MXL68211C.
>
> The same should be true for MXL86252 & MXL86282, those are not modified
> for a lack of testing hardware.
>
> With this change 2.5G negotiates correctly with a Mikrotik
> CRS310-G+2S+IN.
>
> Signed-off-by: Rouven Czerwinski <rouven.czerwinski@xxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew