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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-07-03 16:13:58 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-03 23:27:49 +0100
commit8021a4a048a85906302bd0236f3d125473be65b1 (patch)
tree3887c7e02e1358413f3c732fb30f2139b8df9750 /arch/arm/common
parent178783622ce0fd629fad21b33b8f8f56b64c5e45 (diff)
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ARM: dma-mapping: define dma_(un)?map_single in terms of dma_(un)?map_page
Use dma_map_page()/dma_unmap_page() internals to handle dma_map_single() and dma_unmap_single(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
-rw-r--r--arch/arm/common/dmabounce.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 841df7d21c2..8a0588b007e 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -328,34 +328,6 @@ static inline void unmap_single(struct device *dev, dma_addr_t dma_addr,
* substitute the safe buffer for the unsafe one.
* (basically move the buffer from an unsafe area to a safe one)
*/
-dma_addr_t __dma_map_single(struct device *dev, void *ptr, size_t size,
- enum dma_data_direction dir)
-{
- dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
- __func__, ptr, size, dir);
-
- BUG_ON(!valid_dma_direction(dir));
-
- return map_single(dev, ptr, size, dir);
-}
-EXPORT_SYMBOL(__dma_map_single);
-
-/*
- * see if a mapped address was really a "safe" buffer and if so, copy
- * the data from the safe buffer back to the unsafe buffer and free up
- * the safe buffer. (basically return things back to the way they
- * should be)
- */
-void __dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction dir)
-{
- dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n",
- __func__, (void *) dma_addr, size, dir);
-
- unmap_single(dev, dma_addr, size, dir);
-}
-EXPORT_SYMBOL(__dma_unmap_single);
-
dma_addr_t __dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir)
{