On Wed, 2011-05-11 at 15:25 -0700, Nishanth Aravamudan wrote: > From: Milton Miller <milt...@bga.com> > > The hook dma_get_required_mask is supposed to return the mask required > by the platform to operate efficently. The generic version of > dma_get_required_mask in driver/base/platform.c returns a mask based > only on max_pfn. However, this is likely too big for iommu systems > and could be too small for platforms that require a dma offset or have > a secondary window at a high offset.
The result of those 3 patches doesn't build on top of my current tree, the generic dma_ops lacks the dma_get_required_mask hook. I'll have a look again after the merge window. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
