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| author | Thierry Reding <treding@nvidia.com> | 2014-06-27 11:56:58 +0200 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2014-08-26 07:39:13 +0200 |
| commit | b4bbb107d73bbc0d92c9ae7fd8e69580aa9381e7 (patch) | |
| tree | c631cccdc40abe3d44fc980a739fb20ec4354d3f /include/asm-generic | |
| parent | s390: Implement dma_{alloc,free}_attrs() (diff) | |
| download | linux-b4bbb107d73bbc0d92c9ae7fd8e69580aa9381e7.tar.xz linux-b4bbb107d73bbc0d92c9ae7fd8e69580aa9381e7.zip | |
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')
| -rw-r--r-- | include/asm-generic/dma-mapping-common.h | 8 |
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); |