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Date:	Tue, 28 Feb 2012 13:41:01 +0000
From:	Arnd Bergmann <>
To:	Roland Stigge <>
Cc:	David Laight <>,,,,,,
	Kevin Wells <>,
	Wolfram Sang <>,,,
Subject: Re: [PATCH v2] ARM: LPC32xx: Ethernet driver

On Tuesday 28 February 2012, Roland Stigge wrote:
> Yes, that's why we previously had a cmdline param for it (but removed it
> upon request from the netdev maintainer).
> So if the hardware defaults to 00:00:00:00:00:00, what is the
> "consistent policy we want to enforce in all drivers"?
> A link or hint would be sufficient.

I think the most common strategy for platform drivers these days is

1. use what the hardware provides
2. call of_get_mac_address(dev->of_node, ...)
3. use random_ether_addr

in that order. of_get_mac_address just returns NULL when there
is no device tree or no local-mac-address property, so you can
put it into the driver right away.

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