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Date
SubjectRe: [PATCH net] net: mvneta: Don't advertise 2.5G modes
From
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: Fri, 9 Nov 2018 09:17:33 +0100

> Using 2.5G speed relies on the SerDes lanes being configured
> accordingly. The lanes have to be reconfigured to switch between
> 1G and 2.5G, and for now only the bootloader does this configuration.
>
> In the case we add a Comphy driver to handle switching the lanes
> dynamically, it's better for now to stick with supporting only 1G and
> add advertisement for 2.5G once we really are capable of handling both
> speeds without problem.
>
> Since the interface mode is initialy taken from the DT, we want to make
> sure that adding comphy support won't break boards that don't update
> their dtb.
>
> Fixes: da58a931f248 ("net: mvneta: Add support for 2500Mbps SGMII")
> Reported-by: Andrew Lunn <andrew@lunn.ch>
> Reported-by: Russell King <linux@armlinux.org.uk>
> Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>

Applied.

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