lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: move dma_map_page and dma_unmap_page to common header

Browse Source 
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>
This commit is contained in:
Glauber Costa
2008-03-25 18:36:32 -03:00
committed by Ingo Molnar
parent 8d396ded71
commit 4d92fbf231
3 changed files with 14 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
include/asm-x86/dma-mapping.h
View File

@ -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