On Tue, Apr 19, 2011 at 11:02:34AM +0200, Marek Szyprowski wrote: > On Monday, April 18, 2011 4:16 PM Arnd Bergmann wrote: > > My feeling is that this is not the right abstraction. Why can't you > > just implement the regular dma-mapping.h interfaces for your IOMMU > > so that the videobuf code can use the existing allocators? > > I'm not really sure which existing videobuf2 allocators might transparently > support IOMMU interface yet > > Do you think that all iommu operations can be hidden behind dma_map_single > and dma_unmap_single? That is one of the intentions of the DMA API. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html