netdev - Re: [PATCH v2] ARM: LPC32xx: Ethernet driver

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Date:	Tue, 28 Feb 2012 14:08:40 +0100
From:	Roland Stigge <stigge@...com.de>
To:	baruch@...s.co.il
CC:	alexander.h.duyck@...el.com, ian.campbell@...rix.com,
	netdev@...r.kernel.org, eilong@...adcom.com,
	Kevin Wells <kevin.wells@....com>,
	Wolfram Sang <w.sang@...gutronix.de>,
	jeffrey.t.kirsher@...el.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] ARM: LPC32xx: Ethernet driver

Hi,

On 2012-02-26 03:28 +100, David Miller wrote:
>> Please use a module_param() instead of a top level kernel parameter.
>
> Actually, remove this entirely, we don't add module parameters
> to force the ethernet address. That should be done in userland
> in some fashion.
>
> We've had many discussions about this recently, and this is the
> consistent policy we want to enforce in all drivers from now on.

Thanks for the note! I actually found out that in many cases, the
bootloader already initialized the hardware with the target MAC address
so we can use this one.

For the case that it _isn't_ initialized already, is it the right thing
to use a hard coded default MAC address to be replaced by the final one
in userspace? (I found such examples in some current micrel/ and amd/
drivers.)

Thanks in advance,

Roland
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