diff options
Diffstat (limited to 'arch/blackfin/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/blackfin/include/asm/dma-mapping.h | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h deleted file mode 100644 index 04254ac36bed..000000000000 --- a/arch/blackfin/include/asm/dma-mapping.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright 2004-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef _BLACKFIN_DMA_MAPPING_H -#define _BLACKFIN_DMA_MAPPING_H - -#include <asm/cacheflush.h> - -extern void -__dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir); -static inline void -__dma_sync_inline(dma_addr_t addr, size_t size, enum dma_data_direction dir) -{ - switch (dir) { - case DMA_NONE: - BUG(); - case DMA_TO_DEVICE: /* writeback only */ - flush_dcache_range(addr, addr + size); - break; - case DMA_FROM_DEVICE: /* invalidate only */ - case DMA_BIDIRECTIONAL: /* flush and invalidate */ - /* Blackfin has no dedicated invalidate (it includes a flush) */ - invalidate_dcache_range(addr, addr + size); - break; - } -} -static inline void -_dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir) -{ - if (__builtin_constant_p(dir)) - __dma_sync_inline(addr, size, dir); - else - __dma_sync(addr, size, dir); -} - -extern const struct dma_map_ops bfin_dma_ops; - -static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) -{ - return &bfin_dma_ops; -} - -#endif /* _BLACKFIN_DMA_MAPPING_H */ |