On Mon, 2007-12-17 at 11:02 +0100, Christoph Hellwig wrote: > On Mon, Dec 17, 2007 at 05:35:53PM +1100, Michael Ellerman wrote: > > To save adding a hook to the dma mapping ops, pci-set_consistent_dma_mask() > > simply calls the dma_set_mask() hook and then copies the new mask into > > dev.coherenet_dma_mask. > > How is this supposed to work? There are various devices around that > want different mask for coherent vs streaming dma mappings, and we need > to tell the iommu that we're setting it for either the former or the > latter.
I don't think we ever supported that difference. Too broken HW for us. We don't use coherent_dma_mask for anything at the moment on powerpc. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev