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Date:   Sat, 9 Feb 2019 17:35:54 +0100
From:   Andrew Lunn <>
To:     Heiner Kallweit <>
Cc:     Florian Fainelli <>,
        David Miller <>,
        "" <>
Subject: Re: [PATCH net-next] net: phy: Add support for asking the PHY its

On Sat, Feb 09, 2019 at 03:24:47PM +0100, Heiner Kallweit wrote:
> From: Andrew Lunn <>
> Add support for runtime determination of what the PHY supports, by
> adding a new function to the phy driver. The get_features call should
> set the phydev->supported member with the features the PHY supports.
> It is only called if phydrv->features is NULL.
> This requires minor changes to pause. The PHY driver should not set
> pause abilities, except for when it has odd cause capabilities, e.g.
> pause cannot be disabled. With this change, phydev->supported already
> contains the drivers abilities, including pause. So rather than
> considering phydrv->features, look at the phydev->supported, and
> enable pause if neither of the pause bits are already set.

Hi Heiner

Ah, cool, these are the patches i was asking for, when you asked
about splitting Maxime's patches. There is one more in my tree which
converts the marvell10g to using this. I think that should be posted
as well. It makes it clear how this should be used, and it replaces
one of the patches in Maxime's set.

> Signed-off-by: Andrew Lunn <>
> [ fixed small checkpatch complaint in one comment]



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