diff options
Diffstat (limited to 'arch/ia64/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/ia64/include/asm/dma-mapping.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h index 5a61b5c2e18..a2e7368a015 100644 --- a/arch/ia64/include/asm/dma-mapping.h +++ b/arch/ia64/include/asm/dma-mapping.h @@ -44,7 +44,6 @@ static inline void dma_free_coherent(struct device *dev, size_t size, #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) #define get_dma_ops(dev) platform_dma_get_ops(dev) -#define flush_write_buffers() #include <asm-generic/dma-mapping-common.h> @@ -69,7 +68,23 @@ dma_set_mask (struct device *dev, u64 mask) return 0; } -extern int dma_get_cache_alignment(void); +static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) +{ + if (!dev->dma_mask) + return 0; + + return addr + size - 1 <= *dev->dma_mask; +} + +static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + return paddr; +} + +static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) +{ + return daddr; +} static inline void dma_cache_sync (struct device *dev, void *vaddr, size_t size, @@ -82,6 +97,4 @@ dma_cache_sync (struct device *dev, void *vaddr, size_t size, mb(); } -#define dma_is_consistent(d, h) (1) /* all we do is coherent memory... */ - #endif /* _ASM_IA64_DMA_MAPPING_H */ |