Ben, On 19.05.2011 [10:46:25 -0700], Nishanth Aravamudan wrote: > On 19.05.2011 [17:43:56 +1000], Benjamin Herrenschmidt wrote: > > 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. > > Hrm, I think it's because for whatever reason [1] I forgot to cc you on 6/8? > > https://lkml.org/lkml/2011/5/11/473
Were you able to find the patch I refer to above? Thanks, Nish -- Nishanth Aravamudan <n...@us.ibm.com> IBM Linux Technology Center _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
