Re: [PATCH][1/3] ppc32: add 440ep support

[Andrew Morton]

Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx> wrote:
>
> +static u64 dma_mask = 0xffffffffULL;

I'm sure you're totally uninterested in this, but the above will probably
generate warnings on (say) ppc64, where u64 is implemented as unsigned
long.

I usually chuck a simple `-1' in there and the compiler always gets it
right, regardless of signedness and size and architecture.
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