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Date:   Sun, 19 Jul 2020 17:27:23 +0200
From:   Andrew Lunn <>
To:     Russell King <>
Cc:     Florian Fainelli <>,
        Heiner Kallweit <>,
        Martin Rowe <>,
        "David S. Miller" <>,,
        Gregory Clement <>,
        Jakub Kicinski <>,
        Jason Cooper <>,,,
        Rob Herring <>,
        Sebastian Hesselbarth <>,
        Vivien Didelot <>
Subject: Re: [PATCH net] arm64: dts: clearfog-gt-8k: fix switch link

On Sun, Jul 19, 2020 at 12:00:40PM +0100, Russell King wrote:
> The commit below caused a regression for clearfog-gt-8k, where the link
> between the switch and the host does not come up.
> Investigation revealed two issues:
> - MV88E6xxx DSA no longer allows an in-band link to come up as the link
>   is programmed to be forced down. Commit "net: dsa: mv88e6xxx: fix
>   in-band AN link establishment" addresses this.
> - The dts configured dissimilar link modes at each end of the host to
>   switch link; the host was configured using a fixed link (so has no
>   in-band status) and the switch was configured to expect in-band
>   status.
> With both issues fixed, the regression is resolved.
> Fixes: 34b5e6a33c1a ("net: dsa: mv88e6xxx: Configure MAC when using fixed link")
> Reported-by: Martin Rowe <>
> Signed-off-by: Russell King <>

Reviewed-by: Andrew Lunn <>


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