netdev - Re: [PATCH v2 1/6] net: dsa: Use delayed work instead of timer+work for polling

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Message-ID: <20151029145234.GB21131@ketchup.mtl.sfl>
Date:	Thu, 29 Oct 2015 10:52:34 -0400
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	Neil Armstrong <narmstrong@...libre.com>,
	"David S. Miller" <davem@...emloft.net>,
	Florian Fainelli <f.fainelli@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Fabian Frederick <fabf@...net.be>,
	Pavel Nakonechny <pavel.nakonechny@...tlab.ru>,
	Joe Perches <joe@...ches.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Frode Isaksen <fisaksen@...libre.com>
Subject: Re: [PATCH v2 1/6] net: dsa: Use delayed work instead of timer+work
 for polling

On Oct. Thursday 29 (44) 03:40 PM, Andrew Lunn wrote:
> > Thanks for the hint, I will test this, but while reviewing the datasheet,
> > the port 5 has no PHY, so must only be used as cpu port.
> 
> Not necessarily. All that is needed is an external phy. Linux does not
> care what MDIO bus that phy hangs off. It could be the same MDIO bus
> as the switch, or some other MDIO bus. It is likely that port 5 is the
> CPU port, but it does not have to be.

Indeed in my setup with a single 88E6352, we will soon add an external
PHY there (or on port 6, doesn't matter) to make it a 6-port switch.

> > I also have another patchset which fixes 2 setup registers writes and
> > adds a shiny new mv88e6060.h based on mv88e6xxx.h.
> 
> Great. I hope that will help determine if we can merge 6060 into 6xxx.

Is 6060 supported by the 6352 family? It doesn't share any mv88e6xxx
code...

Thanks,
-v
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