diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 42 | ||||
-rw-r--r-- | arch/sparc/include/asm/dma-mapping_32.h | 18 | ||||
-rw-r--r-- | arch/sparc/include/asm/dma-mapping_64.h | 40 | ||||
-rw-r--r-- | arch/sparc/kernel/dma.c | 30 |
4 files changed, 42 insertions, 88 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 0f4150e2661..8c911ea9ee5 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -5,4 +5,46 @@ #else #include <asm/dma-mapping_32.h> #endif + +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) + +extern int dma_supported(struct device *dev, u64 mask); +extern int dma_set_mask(struct device *dev, u64 dma_mask); + +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return (dma_addr == DMA_ERROR_CODE); +} + +static inline int dma_get_cache_alignment(void) +{ + /* + * no easy way to get cache size on all processors, so return + * the maximum possible, to be safe + */ + return (1 << INTERNODE_CACHE_SHIFT); +} + +#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_is_consistent(d, h) (1) + +static inline void dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + enum dma_data_direction dir) +{ + dma_sync_single_for_cpu(dev, dma_handle+offset, size, dir); +} + +static inline void dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + enum dma_data_direction dir) +{ + dma_sync_single_for_device(dev, dma_handle+offset, size, dir); +} + #endif diff --git a/arch/sparc/include/asm/dma-mapping_32.h b/arch/sparc/include/asm/dma-mapping_32.h index 8a57ea0573e..7f09c85103a 100644 --- a/arch/sparc/include/asm/dma-mapping_32.h +++ b/arch/sparc/include/asm/dma-mapping_32.h @@ -7,10 +7,6 @@ struct device; struct scatterlist; struct page; -#define DMA_ERROR_CODE (~(dma_addr_t)0x0) - -extern int dma_supported(struct device *dev, u64 mask); -extern int dma_set_mask(struct device *dev, u64 dma_mask); extern void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag); extern void dma_free_coherent(struct device *dev, size_t size, @@ -37,24 +33,10 @@ extern void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction); -extern void dma_sync_single_range_for_cpu(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction); -extern void dma_sync_single_range_for_device(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction); extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction); extern void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction); -extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr); -extern int dma_get_cache_alignment(void); - -#define dma_alloc_noncoherent dma_alloc_coherent -#define dma_free_noncoherent dma_free_coherent #endif /* _ASM_SPARC_DMA_MAPPING_H */ diff --git a/arch/sparc/include/asm/dma-mapping_64.h b/arch/sparc/include/asm/dma-mapping_64.h index bfa64f9702d..017ae706ac6 100644 --- a/arch/sparc/include/asm/dma-mapping_64.h +++ b/arch/sparc/include/asm/dma-mapping_64.h @@ -4,8 +4,6 @@ #include <linux/scatterlist.h> #include <linux/mm.h> -#define DMA_ERROR_CODE (~(dma_addr_t)0x0) - struct dma_ops { void *(*alloc_coherent)(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag); @@ -31,9 +29,6 @@ struct dma_ops { }; extern const struct dma_ops *dma_ops; -extern int dma_supported(struct device *dev, u64 mask); -extern int dma_set_mask(struct device *dev, u64 dma_mask); - static inline void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { @@ -102,25 +97,6 @@ static inline void dma_sync_single_for_device(struct device *dev, /* No flushing needed to sync cpu writes to the device. */ } -static inline void dma_sync_single_range_for_cpu(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction) -{ - dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); -} - -static inline void dma_sync_single_range_for_device(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - - static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction) @@ -135,20 +111,4 @@ static inline void dma_sync_sg_for_device(struct device *dev, /* No flushing needed to sync cpu writes to the device. */ } -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return (dma_addr == DMA_ERROR_CODE); -} - -static inline int dma_get_cache_alignment(void) -{ - /* no easy way to get cache size on all processors, so return - * the maximum possible, to be safe */ - return (1 << INTERNODE_CACHE_SHIFT); -} - -#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_is_consistent(d, h) (1) - #endif /* _ASM_SPARC64_DMA_MAPPING_H */ diff --git a/arch/sparc/kernel/dma.c b/arch/sparc/kernel/dma.c index ebc8403b035..3c9ff4f8af3 100644 --- a/arch/sparc/kernel/dma.c +++ b/arch/sparc/kernel/dma.c @@ -167,24 +167,6 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, } EXPORT_SYMBOL(dma_sync_single_for_device); -void dma_sync_single_range_for_cpu(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction) -{ - dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); -} -EXPORT_SYMBOL(dma_sync_single_range_for_cpu); - -void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - dma_sync_single_for_device(dev, dma_handle+offset, size, direction); -} -EXPORT_SYMBOL(dma_sync_single_range_for_device); - void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction direction) { @@ -213,15 +195,3 @@ void dma_sync_sg_for_device(struct device *dev, BUG(); } EXPORT_SYMBOL(dma_sync_sg_for_device); - -int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return (dma_addr == DMA_ERROR_CODE); -} -EXPORT_SYMBOL(dma_mapping_error); - -int dma_get_cache_alignment(void) -{ - return 32; -} -EXPORT_SYMBOL(dma_get_cache_alignment); |