[U-Boot] net, fec_mxc: init mac address before using network commands

[Mike Frysinger]

On Tuesday 30 March 2010 01:38:33 Heiko Schocher wrote:
> initialize mac address with the value from "ethaddr", before
> doing some network commands. This is not in line with u-boot
> design principle "not to initalize not used devices", and
> maybe should go away, if there is a solution for passing
> the mac address to arm linux kernels.

NACK like i already said -- net drivers should only ever be reading 
eth_driver->enetaddr.  they should never touch the environment as the common 
net code takes care of this.

i would instead fix the fec_probe() to stop writing "ethaddr" since it already 
writes to eth_driver->enetaddr.
-mike
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