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authorGlauber Costa <gcosta@redhat.com>2008-03-25 18:36:32 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:19:56 +0200
commit4d92fbf231fe23ec07d18820a141c573a7f5017a (patch)
tree13187ca7d82f2356e22b6ba4a2cef12dcd95d976 /include/asm-x86
parent8d396ded71a9b378fc3e846095e50565606f2df6 (diff)
x86: move dma_map_page and dma_unmap_page to common header
They are similar enough to do this move. the macro version is ugly, and we use inline functions instead. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/dma-mapping.h14
-rw-r--r--include/asm-x86/dma-mapping_32.h15
-rw-r--r--include/asm-x86/dma-mapping_64.h4
3 files changed, 14 insertions, 19 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 3ea3802ff1a..b5a413acac9 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -169,4 +169,18 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
flush_write_buffers();
}
+
+static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
+ size_t offset, size_t size,
+ int direction)
+{
+ return dma_map_single(dev, page_address(page)+offset, size, direction);
+}
+
+static inline void dma_unmap_page(struct device *dev, dma_addr_t addr,
+ size_t size, int direction)
+{
+ dma_unmap_single(dev, addr, size, direction);
+}
+
#endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index d8f6420d3ef..c61ae7ff222 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -8,21 +8,6 @@
#include <asm/io.h>
#include <asm/bug.h>
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page, unsigned long offset,
- size_t size, enum dma_data_direction direction)
-{
- BUG_ON(!valid_dma_direction(direction));
- return page_to_phys(page) + offset;
-}
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(!valid_dma_direction(direction));
-}
-
static inline int
dma_mapping_error(dma_addr_t dma_addr)
{
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index ce881d99222..2b4a43080db 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -12,10 +12,6 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
return (dma_addr == bad_dma_address);
}
-#define dma_map_page(dev,page,offset,size,dir) \
- dma_map_single((dev), page_address(page)+(offset), (size), (dir))
-
-#define dma_unmap_page dma_unmap_single
extern int dma_supported(struct device *hwdev, u64 mask);
/* same for gart, swiotlb, and nommu */