On Mon, Jul 17, 2017 at 09:58:04AM +0100, Vladimir Murzin wrote: > Christoph noticed [1] that default DMA pool in current form overload > the DMA coherent infrastructure. In reply, Robin suggested to split > the per-device vs. global pool interfaces, so allocation/release from > default DMA pool is driven by dma ops implementation. > > This patch implements Robin's idea and provide interface to > allocate/release/mmap the default/global DMA pool. > > [1] https://lkml.org/lkml/2017/7/7/370 > [2] https://lkml.org/lkml/2017/7/7/431 > > Suggested-by: Robin Murphy <robin.mur...@arm.com> > Signed-off-by: Vladimir Murzin <vladimir.mur...@arm.com>
This looks good to me. I'd just rename the existin *_from_coherent routines to *_from_dev_coherent.