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authorChristoph Hellwig <hch@lst.de>2017-12-23 13:46:06 +0100
committerChristoph Hellwig <hch@lst.de>2018-01-15 09:35:14 +0100
commit19dca8c0efa30e0a45e79f237060d0f307045752 (patch)
tree7af0e38c3abd148c110d88900630f837e7e79617 /arch/arm/mm/dma-mapping-nommu.c
parent95f183916d4b0bc1943684948ecdd2469f1aa978 (diff)
downloadlinux-19dca8c0efa30e0a45e79f237060d0f307045752.tar.bz2
dma-direct: make dma_direct_{alloc,free} available to other implementations
So that they don't need to indirect through the operation vector. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Diffstat (limited to 'arch/arm/mm/dma-mapping-nommu.c')
-rw-r--r--arch/arm/mm/dma-mapping-nommu.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/arm/mm/dma-mapping-nommu.c b/arch/arm/mm/dma-mapping-nommu.c
index 4d8042521e89..619f24a42d09 100644
--- a/arch/arm/mm/dma-mapping-nommu.c
+++ b/arch/arm/mm/dma-mapping-nommu.c
@@ -11,7 +11,7 @@
#include <linux/export.h>
#include <linux/mm.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-direct.h>
#include <linux/scatterlist.h>
#include <asm/cachetype.h>
@@ -39,7 +39,6 @@ static void *arm_nommu_dma_alloc(struct device *dev, size_t size,
unsigned long attrs)
{
- const struct dma_map_ops *ops = &dma_direct_ops;
void *ret;
/*
@@ -48,7 +47,7 @@ static void *arm_nommu_dma_alloc(struct device *dev, size_t size,
*/
if (attrs & DMA_ATTR_NON_CONSISTENT)
- return ops->alloc(dev, size, dma_handle, gfp, attrs);
+ return dma_direct_alloc(dev, size, dma_handle, gfp, attrs);
ret = dma_alloc_from_global_coherent(size, dma_handle);
@@ -70,10 +69,8 @@ static void arm_nommu_dma_free(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_addr,
unsigned long attrs)
{
- const struct dma_map_ops *ops = &dma_direct_ops;
-
if (attrs & DMA_ATTR_NON_CONSISTENT) {
- ops->free(dev, size, cpu_addr, dma_addr, attrs);
+ dma_direct_free(dev, size, cpu_addr, dma_addr, attrs);
} else {
int ret = dma_release_from_global_coherent(get_order(size),
cpu_addr);