netdev - Re: [PATCH] dnet: Dave DNET ethernet controller driver

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Message-ID: <20090311085721.GV425@pengutronix.de>
Date:	Wed, 11 Mar 2009 09:57:21 +0100
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	David Miller <davem@...emloft.net>
Cc:	shemminger@...tta.com, yanok@...raft.com,
	linux-arm-kernel@...ts.arm.linux.org.uk, netdev@...r.kernel.org,
	wd@...x.de, dzu@...x.de
Subject: Re: [PATCH] dnet: Dave DNET ethernet controller driver

On Wed, Mar 11, 2009 at 01:49:57AM -0700, David Miller wrote:
> From: Sascha Hauer <s.hauer@...gutronix.de>
> Date: Wed, 11 Mar 2009 09:44:30 +0100
> 
> > On Tue, Mar 10, 2009 at 09:18:41PM -0700, Stephen Hemminger wrote:
> > > Do you still need this? Only works with one board, configuration via
> > > module parameters is discouraged.  Same effect can be done by setting
> > > mac address with regular tools.
> > 
> > Except for root over nfs. Ok, the answer to this is usually 'use
> > initrd', but this is still a pita on embedded systems.
> 
> Please remove this code.  If we let you do it, we have to let everyone
> else do it too, and that's something we don't want to do.
> 
> There are other ways you can handle this, for example have your board
> firmware properly program the MAC address into the card at power-on,
> and then have the driver here look in the MAC address registers to see
> if a valid ethernet address has been left there.

Cool, that's how I do it on many boards I have, but I always had the
feeling I was flying under the radar with it.

Sascha


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