DMA-related cleanups for parisc
From: Christoph Hellwig
Date: Mon Jan 14 2019 - 06:24:01 EST
Hi James and Helge,
this series has a couple DMA-related cleanups for parisc. The main aim
is to move anything not required by drivers out of <asm/dma-mapping.h>,
but I noticed a few related bits and cleaned them up as well.