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Date:   Fri, 15 Mar 2019 14:58:32 -0700
From:   Florian Fainelli <>
To:     Phil Reid <>,
Cc:     Andrew Lunn <>,
        "David S. Miller" <>,,,,,,
Subject: Re: regression from: net: phy: marvell: Avoid unnecessary soft reset

On 3/15/19 1:52 AM, Phil Reid wrote:
> G'day All,
> I've just update from kernel 4.19 to 5.0 on a custom board that has a
> marvell
> dsa mv88e6085 and the phy on the mv88e6085 will only connect at 10Mb/s with
> the above mentioned patch applied.
> Bisecting the issue lead me to the following patch.
> d6ab93364734bd (net: phy: marvell: Avoid unnecessary soft reset)
> Revert the patch, and the associated build fix
> 4b1bd6976945417 (net: phy: marvell: Fix build.)
> restores connections to 1Gb/s.
> Anyone have any thoughts as to the correct fix?

What is the PHY OUI (MII_PHYSID1/ID2) for that PHY? We may need to add a
specific entry in drivers/net/phy/marvell.c to restore the software
reset to commit changes to the register.

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