diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-05-27 01:44:33 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 20:12:54 +0400 |
| commit | e32205eb5818ab53dbe0ffe6c6fbdaa9af83de72 (patch) | |
| tree | 142e2bd3a369c66d4a4d7276a3434d42fea7deb9 /arch/powerpc | |
| parent | 4a14d84ea2adc6c02dde4ae2d4552c15e014a475 (diff) | |
| download | linux-e32205eb5818ab53dbe0ffe6c6fbdaa9af83de72.tar.xz | |
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')
| -rw-r--r-- | arch/powerpc/Kconfig | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/scatterlist.h | 29 |
2 files changed, 4 insertions, 28 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index c4c4549c22bb..66a315e06dce 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -663,6 +663,9 @@ config ZONE_DMA config NEED_DMA_MAP_STATE def_bool (PPC64 || NOT_COHERENT_CACHE) +config NEED_SG_DMA_LENGTH + def_bool y + config GENERIC_ISA_DMA bool depends on PPC64 || POWER4 || 6xx && !CPM2 diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h index 912bf597870f..4ae35da4975e 100644 --- a/arch/powerpc/include/asm/scatterlist.h +++ b/arch/powerpc/include/asm/scatterlist.h @@ -9,38 +9,11 @@ * 2 of the License, or (at your option) any later version. */ -#ifdef __KERNEL__ -#include <linux/types.h> #include <asm/dma.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - unsigned int length; - - /* For TCE or SWIOTLB support */ - dma_addr_t dma_address; - u32 dma_length; -}; - -/* - * These macros should be used after a dma_map_sg call has been done - * to get bus addresses of each of the SG entries and their lengths. - * You should only work with the number of sg entries pci_map_sg - * returns, or alternatively stop on the first sg_dma_len(sg) which - * is 0. - */ -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->dma_length) +#include <asm-generic/scatterlist.h> #ifdef __powerpc64__ #define ISA_DMA_THRESHOLD (~0UL) #endif -#define ARCH_HAS_SG_CHAIN - -#endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SCATTERLIST_H */ |