From: Fugang Duan <b38...@freescale.com>
Date: Tue, 23 Jun 2015 15:32:51 +0800

> Below case causes mii bus probe failed:
> ifconfig eth0 down -> suspend/resume with Mega/fax mix off -> ifconfig eth0 up
> 
> In i.MX6SX/i.MX7D chip, Mega/fast mix off feature is supported that means 
> most of
> SOC power will be off including ENET MAC for power saving. Once ENET MAC power
> off, all initialized MAC registers reset to default, so in the case, it must
> init MAC prior to mii bus probe.
> 
> Signed-off-by: Fugang Duan <b38...@freescale.com>

Applied.
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