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

[Detlev Zundel]

Hello Heiko,

> 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.
>
> Tested on the magnesium board.
>
> Signed-off-by: Heiko Schocher <hs at denx.de>

Acked-by: Detlev Zundel <dzu at denx.de>

Cheers
  Detlev

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I think that level of generalization is too abstract for useful thinking.
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