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authorChristoph Hellwig <hch@lst.de>2018-01-10 16:21:13 +0100
committerChristoph Hellwig <hch@lst.de>2018-01-10 16:40:54 +0100
commitea8c64ace86647260ec4255f483e5844d62af2df (patch)
tree420f44f5f8c6839d96e814066cc6a8e80957bf01 /lib
parent10dac04c79b181b255a62f60919f29acc56277ac (diff)
dma-mapping: move swiotlb arch helpers to a new header
phys_to_dma, dma_to_phys and dma_capable are helpers published by architecture code for use of swiotlb and xen-swiotlb only. Drivers are not supposed to use these directly, but use the DMA API instead. Move these to a new asm/dma-direct.h helper, included by a linux/dma-direct.h wrapper that provides the default linear mapping unless the architecture wants to override it. In the MIPS case the existing dma-coherent.h is reused for now as untangling it will take a bit of work. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/swiotlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index cea19aaf303c..6583f3512386 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -18,7 +18,7 @@
*/
#include <linux/cache.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-direct.h>
#include <linux/mm.h>
#include <linux/export.h>
#include <linux/spinlock.h>