netdev - Re: [PATCH net v2 0/2] Fix 88x3310 leaving power save mode

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Message-ID: <CAGnkfhw45WBjaYFcrO=vK0pbYvhzan970vtxVj8urexhh=WU_A@mail.gmail.com>
Date:   Fri, 8 May 2020 23:32:39 +0200
From:   Matteo Croce <mcroce@...hat.com>
To:     David Miller <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net v2 0/2] Fix 88x3310 leaving power save mode

On Wed, Apr 15, 2020 at 1:48 AM David Miller <davem@...emloft.net> wrote:
>
> From: Russell King - ARM Linux admin <linux@...linux.org.uk>
> Date: Tue, 14 Apr 2020 20:47:53 +0100
>
> > This series fixes a problem with the 88x3310 PHY on Macchiatobin
> > coming out of powersave mode noticed by Matteo Croce.  It seems
> > that certain PHY firmwares do not properly exit powersave mode,
> > resulting in a fibre link not coming up.
> >
> > The solution appears to be to soft-reset the PHY after clearing
> > the powersave bit.
> >
> > We add support for reporting the PHY firmware version to the kernel
> > log, and use it to trigger this new behaviour if we have v0.3.x.x
> > or more recent firmware on the PHY.  This, however, is a guess as
> > the firmware revision documentation does not mention this issue,
> > and we know that v0.2.1.0 works without this fix but v0.3.3.0 and
> > later does not.
>
> Series applied, thanks.
>

Hi,

should we queue this to -stable?
The 10 gbit ports don't work without this fix.

Regards,
-- 
Matteo Croce
per aspera ad upstream