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authorThierry Reding <treding@nvidia.com>2014-06-27 11:56:58 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2014-08-26 07:39:13 +0200
commitb4bbb107d73bbc0d92c9ae7fd8e69580aa9381e7 (patch)
treec631cccdc40abe3d44fc980a739fb20ec4354d3f /include/asm-generic/dma-mapping-common.h
parent90114d65feea716eeae0ab51e92c95b140b2e6fc (diff)
downloadlinux-b4bbb107d73bbc0d92c9ae7fd8e69580aa9381e7.tar.gz
dma-mapping: Provide write-combine allocations
Provide an implementation for dma_{alloc,free,mmap}_writecombine() when the architecture supports DMA attributes. Signed-off-by: Thierry Reding <treding@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'include/asm-generic/dma-mapping-common.h')
-rw-r--r--include/asm-generic/dma-mapping-common.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index de8bf89940f8..d137431bf26f 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -205,14 +205,6 @@ dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr,
#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
-static inline int dma_mmap_writecombine(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t dma_addr, size_t size)
-{
- DEFINE_DMA_ATTRS(attrs);
- dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs);
- return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs);
-}
-
int
dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size);