netdev - Re: [RFC PATCH 0/3] Enable connecting DSA-based switch to the USB RMII interface.

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Message-ID: <20150421173902.GL32294@lunn.ch>
Date:	Tue, 21 Apr 2015 19:39:02 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Jan Kaisrlik <kaisrja1@....cvut.cz>, sojkam1@....cvut.cz,
	tkonecny@...ia.cz, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jan Kaisrlik <ja.kaisrlik@...il.com>
Subject: Re: [RFC PATCH 0/3] Enable connecting DSA-based switch to the USB
 RMII interface.

> > I would however say that sysfs is the wrong API. The linux network
> > stack uses netlink for most configuration activities. So i would
> > suggest adding a netlink binding to DSA, and place the code in
> > net/dsa/, not within an MDIO driver.
> 
> I suppose we could do that, but that sounds like a pretty radical change
> in how DSA is currently configured (that is statically at boot time),
> part in order to allow booting from DSA-enabled network devices (e.g:
> nfsroot).

We would keep both DT and platform device. But statically at boot does
not work for a USB hotpluggable switch!

    Andrew
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