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authorRoman Zippel <zippel@linux-m68k.org>2006-06-25 05:46:57 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:00:56 -0700
commit742636f5bfd92ad67f4a48f4b7a2ac655797e0f3 (patch)
treec3c57dfa4745264b563f99fbb6edc6fa633f9e25 /include
parentb035c96b2da7258bb2bba31812b5f9dda3499f00 (diff)
downloadop-kernel-dev-742636f5bfd92ad67f4a48f4b7a2ac655797e0f3.zip
op-kernel-dev-742636f5bfd92ad67f4a48f4b7a2ac655797e0f3.tar.gz
[PATCH] m68k: dma API addition
Additions to dma API with some small cleanups. Signed-off-by: Richard Hirst <rhirst@levanta.com> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-m68k/dma-mapping.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h
index 4f8575e..cebbb03 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 <asm/cache.h>
+
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,
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