diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-16 02:54:45 +0300 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-03-16 02:54:45 +0300 |
commit | 245f0db0de926601353776085e6f6a4c974c5615 (patch) | |
tree | b493e9e726f4a898041f7861d0df328aa1a348a1 /arch/blackfin/include/asm/dma-mapping.h | |
parent | 24672bdfb357b91bed0ea8d432241bf7bdefc8a8 (diff) | |
parent | b562e44f507e863c6792946e4e1b1449fbbac85d (diff) | |
download | linux-245f0db0de926601353776085e6f6a4c974c5615.tar.xz |
Merge tag 'v4.5' into next
Merge with Linux 4.5 to get PROPERTY_ENTRY_INTEGER() that is needed to
fix pxa/raumfeld rotary encoder properties.
Diffstat (limited to 'arch/blackfin/include/asm/dma-mapping.h')
-rw-r--r-- | arch/blackfin/include/asm/dma-mapping.h | 127 |
1 files changed, 3 insertions, 124 deletions
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h index 054d9ec57d9d..3490570aaa82 100644 --- a/arch/blackfin/include/asm/dma-mapping.h +++ b/arch/blackfin/include/asm/dma-mapping.h @@ -8,36 +8,6 @@ #define _BLACKFIN_DMA_MAPPING_H #include <asm/cacheflush.h> -struct scatterlist; - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); -void dma_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle); - -/* - * Now for the API extensions over the pci_ one - */ -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -#define dma_supported(d, m) (1) - -static inline int -dma_set_mask(struct device *dev, u64 dma_mask) -{ - if (!dev->dma_mask || !dma_supported(dev, dma_mask)) - return -EIO; - - *dev->dma_mask = dma_mask; - - return 0; -} - -static inline int -dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} extern void __dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir); @@ -66,102 +36,11 @@ _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir) __dma_sync(addr, size, dir); } -static inline dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction dir) -{ - _dma_sync((dma_addr_t)ptr, size, dir); - return (dma_addr_t) ptr; -} - -static inline dma_addr_t -dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - return dma_map_single(dev, page_address(page) + offset, size, dir); -} - -static inline void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -static inline void -dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) -{ - dma_unmap_single(dev, dma_addr, size, dir); -} +extern struct dma_map_ops bfin_dma_ops; -extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir); - -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, - int nhwentries, enum dma_data_direction dir) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - BUG_ON(!valid_dma_direction(dir)); + return &bfin_dma_ops; } -static inline void -dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -static inline void -dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - _dma_sync(handle + offset, size, dir); -} - -static inline void -dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir) -{ - dma_sync_single_range_for_cpu(dev, handle, 0, size, dir); -} - -static inline void -dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir) -{ - dma_sync_single_range_for_device(dev, handle, 0, size, dir); -} - -static inline void -dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -extern void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir); - -static inline void -dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction dir) -{ - _dma_sync((dma_addr_t)vaddr, size, dir); -} - -/* drivers/base/dma-mapping.c */ -extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size); -extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size); - -#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) -#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) - #endif /* _BLACKFIN_DMA_MAPPING_H */ |