[U-Boot] [PATCH] fdt: Rewrite the logic in fdt_fixup_ethernet()

[Tom Rini]

On Tue, Oct 27, 2015 at 09:10:39AM -0700, Bin Meng wrote:

> Currently in fdt_fixup_ethernet() the MAC address fix up is
> handled in a loop of which the exit condition is to test the
> "eth%daddr" env is not NULL. However this creates unnecessary
> constrains that those "eth%daddr" env variables must be
> sequential even if "ethernet%d" does not start from 0 in the
> "/aliases" node. For example, with "/aliases" node below:
> 
>     aliases {
>         ethernet3 = &enet3;
>         ethernet4 = &enet4;
>     };
> 
> "ethaddr", "eth1addr", "eth2addr" must exist in order to fix
> up ethernet3's MAC address successfully.
> 
> Now we change the loop logic to iterate the properties in the
> "/aliases" node. For each property, test if it is in a format
> of "ethernet%d", then get its MAC address from corresponding
> "eth%daddr" env and fix it up in the dtb.
> 
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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