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Message-ID: <20211206183147.km7nxcsadtdenfnp@skbuf>
Date: Mon, 6 Dec 2021 20:31:47 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Martyn Welch <martyn.welch@...labora.com>
Cc: Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
netdev@...r.kernel.org, kernel@...labora.com,
Russell King <rmk+kernel@...linux.org.uk>
Subject: Re: mv88e6240 configuration broken for B850v3
On Mon, Dec 06, 2021 at 06:26:25PM +0000, Martyn Welch wrote:
> On Mon, 2021-12-06 at 17:44 +0000, Martyn Welch wrote:
> > On Fri, 2021-12-03 at 17:25 +0100, Andrew Lunn wrote:
> > > > Hi Andrew,
> > >
> > > Adding Russell to Cc:
> > >
> > > > I'm currently in the process of updating the GE B850v3 [1] to run
> > > > a
> > > > newer kernel than the one it's currently running.
> > >
> > > Which kernel exactly. We like bug reports against net-next, or at
> > > least the last -rc.
> > >
> >
> > I tested using v5.15-rc3 and that was also affected.
> >
>
> I've just tested v5.16-rc4 (sorry - just realised I previously wrote
> v5.15-rc3, it was v5.16-rc3...) and that was exactly the same.
Just to clarify: you're saying that you're on v5.16-rc4 and that if you
revert commit 3be98b2d5fbc ("net: dsa: Down cpu/dsa ports phylink will
control"), the link works again?
It is a bit strange that the external ports negotiate at 10Mbps/Full,
is that the link speed you intend the ports to work at?
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