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void *sbus_alloc_consistent(struct device *dev, long len, u32 *dma_addrp);
void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba);
dma_addr_t sbus_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t len, int direction);
void sbus_unmap_page(struct device *dev, dma_addr_t ba,
size_t n, int direction);
int sbus_map_sg(struct device *dev, struct scatterlist *sg,
int n, int direction);
void sbus_unmap_sg(struct device *dev, struct scatterlist *sg,
int n, int direction);
void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba,
size_t size, int direction);
void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba,
size_t size, int direction);
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