Messages in this thread Patch in this message | | | From | FUJITA Tomonori <> | Subject | [PATCH -mm 3/5] powerpc: use asm-generic/scatterlist.h | Date | Sun, 4 Apr 2010 23:25:51 +0900 |
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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> --- arch/powerpc/Kconfig | 3 +++ 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 669a1b1..0133cf9 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -659,6 +659,9 @@ 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 912bf59..4ae35da 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 */ -- 1.7.0
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