diff options
author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-11-23 20:56:35 +0300 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-11-23 20:56:35 +0300 |
commit | aeb8f932080d62cdc305a7ccca9d60de34908b30 (patch) | |
tree | f563df19e10e0d1fb5f8ab73902cc1d39f2ec177 /include/asm-generic/dma-mapping-common.h | |
parent | caf1578aefe7ebbc22376737e91ffa29ac14a33f (diff) | |
parent | 9e6f3f472c8f95021ad048acc7cd3e40a827f8ce (diff) | |
download | linux-aeb8f932080d62cdc305a7ccca9d60de34908b30.tar.xz |
Merge remote-tracking branch 'wireless-next/master' into iwlwifi-next
Diffstat (limited to 'include/asm-generic/dma-mapping-common.h')
-rw-r--r-- | include/asm-generic/dma-mapping-common.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h index de8bf89940f8..3378dcf4c31e 100644 --- a/include/asm-generic/dma-mapping-common.h +++ b/include/asm-generic/dma-mapping-common.h @@ -179,6 +179,15 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size); +void *dma_common_contiguous_remap(struct page *page, size_t size, + unsigned long vm_flags, + pgprot_t prot, const void *caller); + +void *dma_common_pages_remap(struct page **pages, size_t size, + unsigned long vm_flags, pgprot_t prot, + const void *caller); +void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags); + /** * dma_mmap_attrs - map a coherent DMA allocation into user space * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices @@ -205,14 +214,6 @@ 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); |