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SubjectRe: [PATCHv2 2/3] iovmm: add superpages support to fixed da address
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On Mon, Oct 11, 2010 at 6:33 PM, Guzman Lugo, Fernando
<fernando.lugo@ti.com> wrote:
>> > @@ -420,7 +431,8 @@ static void sgtable_fill_kmalloc(struct
>> sg_table
>> > *sgt, u32 pa, size_t len)
>> >        for_each_sg(sgt->sgl, sg, sgt->nents, i) {
>> >                size_t bytes;
>> >
>> > -               bytes = iopgsz_max(len);
>> > +               bytes = max_alignment(da | pa);
>> > +               bytes = min(bytes, (size_t)iopgsz_max(len));
>>
>> Why the size_t casting?
>
> To void this warning:
> arch/arm/plat-omap/iovmm.c:440: warning: comparison of distinct pointer types lacks a cast

But how is that possible? iopgsz_max is returning constants, like
SZ_1M, so they should not need casts, if anything, the cast should be
done in iopgsz_max itself.

--
Felipe Contreras
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