Matt Porter <mporter at kernel.crashing.org> 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.
