[U-Boot] [PATCH] e1000: fix compile warning

[Wolfgang Denk]

Dear Albert ARIBAUD,

In message <4CEA4E1C.2050607 at free.fr> you wrote:
>
> > No, it doesn't. The virt_to_bus() macro already has such a
> > cast internally, but it doesn't work here.
...
> Hmm, then maybe it is not the type that causes the warning, but a 
> qualifier such as 'const' ?

It's the 'volatile' attribute. Hence my name "nv_packet". Using a
non-volatile pointer to compute the virtual address seems to be save.

Best regards,

Wolfgang Denk

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