From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/alpha/include/asm/dma-mapping.h | 47 ++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 arch/alpha/include/asm/dma-mapping.h (limited to 'arch/alpha/include/asm/dma-mapping.h') diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h new file mode 100644 index 00000000..4567aca6 --- /dev/null +++ b/arch/alpha/include/asm/dma-mapping.h @@ -0,0 +1,47 @@ +#ifndef _ALPHA_DMA_MAPPING_H +#define _ALPHA_DMA_MAPPING_H + +#include + +extern struct dma_map_ops *dma_ops; + +static inline struct dma_map_ops *get_dma_ops(struct device *dev) +{ + return dma_ops; +} + +#include + +static inline void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) +{ + return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp); +} + +static inline void dma_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle); +} + +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return get_dma_ops(dev)->mapping_error(dev, dma_addr); +} + +static inline int dma_supported(struct device *dev, u64 mask) +{ + return get_dma_ops(dev)->dma_supported(dev, mask); +} + +static inline int dma_set_mask(struct device *dev, u64 mask) +{ + return get_dma_ops(dev)->set_dma_mask(dev, mask); +} + +#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_cache_sync(dev, va, size, dir) ((void)0) + +#endif /* _ALPHA_DMA_MAPPING_H */ -- cgit v1.2.3