From 742636f5bfd92ad67f4a48f4b7a2ac655797e0f3 Mon Sep 17 00:00:00 2001 From: Roman Zippel Date: Sun, 25 Jun 2006 05:46:57 -0700 Subject: [PATCH] m68k: dma API addition Additions to dma API with some small cleanups. Signed-off-by: Richard Hirst Signed-off-by: Roman Zippel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-m68k/dma-mapping.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'include/asm-m68k') diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h index 4f8575edd81d..cebbb03370ec 100644 --- a/include/asm-m68k/dma-mapping.h +++ b/include/asm-m68k/dma-mapping.h @@ -1,6 +1,8 @@ #ifndef _M68K_DMA_MAPPING_H #define _M68K_DMA_MAPPING_H +#include + struct scatterlist; static inline int dma_supported(struct device *dev, u64 mask) @@ -13,11 +15,37 @@ static inline int dma_set_mask(struct device *dev, u64 mask) return 0; } +static inline int dma_get_cache_alignment(void) +{ + return 1 << L1_CACHE_SHIFT; +} + +static inline int dma_is_consistent(dma_addr_t dma_addr) +{ + return 0; +} + extern void *dma_alloc_coherent(struct device *, size_t, dma_addr_t *, int); extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); +static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, + dma_addr_t *handle, int flag) +{ + return dma_alloc_coherent(dev, size, handle, flag); +} +static inline void dma_free_noncoherent(struct device *dev, size_t size, + void *addr, dma_addr_t handle) +{ + dma_free_coherent(dev, size, addr, handle); +} +static inline void dma_cache_sync(void *vaddr, size_t size, + enum dma_data_direction dir) +{ + /* we use coherent allocation, so not much to do here. */ +} + extern dma_addr_t dma_map_single(struct device *, void *, size_t, enum dma_data_direction); static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, -- cgit v1.2.3-70-g09d2