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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-05-26 17:44:33 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 12:12:54 -0400
commite32205eb5818ab53dbe0ffe6c6fbdaa9af83de72 (patch)
tree142e2bd3a369c66d4a4d7276a3434d42fea7deb9 /arch/powerpc/include
parent4a14d84ea2adc6c02dde4ae2d4552c15e014a475 (diff)
powerpc: use asm-generic/scatterlist.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/scatterlist.h29
1 files changed, 1 insertions, 28 deletions
diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h
index 912bf597870..4ae35da4975 100644
--- a/arch/powerpc/include/asm/scatterlist.h
+++ b/arch/powerpc/include/asm/scatterlist.h
@@ -9,38 +9,11 @@
9 * 2 of the License, or (at your option) any later version. 9 * 2 of the License, or (at your option) any later version.
10 */ 10 */
11 11
12#ifdef __KERNEL__
13#include <linux/types.h>
14#include <asm/dma.h> 12#include <asm/dma.h>
15 13#include <asm-generic/scatterlist.h>
16struct scatterlist {
17#ifdef CONFIG_DEBUG_SG
18 unsigned long sg_magic;
19#endif
20 unsigned long page_link;
21 unsigned int offset;
22 unsigned int length;
23
24 /* For TCE or SWIOTLB support */
25 dma_addr_t dma_address;
26 u32 dma_length;
27};
28
29/*
30 * These macros should be used after a dma_map_sg call has been done
31 * to get bus addresses of each of the SG entries and their lengths.
32 * You should only work with the number of sg entries pci_map_sg
33 * returns, or alternatively stop on the first sg_dma_len(sg) which
34 * is 0.
35 */
36#define sg_dma_address(sg) ((sg)->dma_address)
37#define sg_dma_len(sg) ((sg)->dma_length)
38 14
39#ifdef __powerpc64__ 15#ifdef __powerpc64__
40#define ISA_DMA_THRESHOLD (~0UL) 16#define ISA_DMA_THRESHOLD (~0UL)
41#endif 17#endif
42 18
43#define ARCH_HAS_SG_CHAIN
44
45#endif /* __KERNEL__ */
46#endif /* _ASM_POWERPC_SCATTERLIST_H */ 19#endif /* _ASM_POWERPC_SCATTERLIST_H */