From e32205eb5818ab53dbe0ffe6c6fbdaa9af83de72 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 26 May 2010 14:44:33 -0700 Subject: [PATCH] powerpc: use asm-generic/scatterlist.h Signed-off-by: FUJITA Tomonori Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 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 #include - -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 #ifdef __powerpc64__ #define ISA_DMA_THRESHOLD (~0UL) #endif -#define ARCH_HAS_SG_CHAIN - -#endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SCATTERLIST_H */ -- 2.30.2