On Wed, 2011-06-29 at 17:19 +0900, FUJITA Tomonori wrote: > On Fri, 24 Jun 2011 12:05:23 -0700 > Nishanth Aravamudan <[email protected]> wrote: > > > From: Milton Miller <[email protected]> > > > > If an architecture sets ARCH_HAS_DMA_GET_REQUIRED_MASK and has settable > > dma_map_ops, the required mask may change by the ops implementation. > > For example, a system that always has an mmu inline may only require 32 > > bits while a swiotlb would desire bits to cover all of memory. > > > > Therefore add the field if the architecture does not use the generic > > definition of dma_get_required_mask. The first use will by by powerpc. > > Note that this does add some dependency on the order in which files are > > visible here.
.../... > If you add get_required_mask to dma_map_ops, we should clean up ia64 > too and implement the generic proper version in > dma-mapping-common.h. Then we kill ARCH_HAS_DMA_GET_REQUIRED_MASK > ifdef hack. Otherwise, I don't think it makes sense to add this to > dma_map_ops. In the meantime, can I have an ack so I can include this along with the rest of Milton's patches ? It's been around for a while now :-) I'm a bit late for producing a powerpc-next (due to travelling). Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
