netdev - Re: [PATCH net-next] net: mvneta: Add 2500BaseT support

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Date:   Thu, 28 Mar 2019 17:02:57 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     maxime.chevallier@...tlin.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        antoine.tenart@...tlin.com, thomas.petazzoni@...tlin.com,
        gregory.clement@...tlin.com, miquel.raynal@...tlin.com,
        nadavh@...vell.com, stefanc@...vell.com, mw@...ihalf.com,
        linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org,
        andrew@...n.ch
Subject: Re: [PATCH net-next] net: mvneta: Add 2500BaseT support

From: Maxime Chevallier <maxime.chevallier@...tlin.com>
Date: Wed, 27 Mar 2019 17:31:06 +0100

> Some PHYs will use the 2500BaseX PHY_INTERFACE_MODE when being linked
> with a partner using 2.5GBaseT.
> 
> Since we can't autonegotiate this speed between the MAC and the PHY, we
> need to have the proper comphy support enabled, to make sure we can
> safely advertise 2.5G and 1G in BaseT and be able to switch between both
> corresponding PHY interface modes. This is now possible since comphy
> support was added to this driver.
> 
> This commit adds the 2500BaseT mode to the list of supported modes when
> using 2500BaseX, and was tested on a setup with an Armada385 and a
> 88E2010 PHY, both with and without the comphy node in the DT.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>

Applied.