diff options
Diffstat (limited to 'include/asm-generic/scatterlist.h')
| -rw-r--r-- | include/asm-generic/scatterlist.h | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h index 8b9454496a7c..5de07355fad4 100644 --- a/include/asm-generic/scatterlist.h +++ b/include/asm-generic/scatterlist.h @@ -11,7 +11,9 @@ struct scatterlist { unsigned int offset; unsigned int length; dma_addr_t dma_address; +#ifdef CONFIG_NEED_SG_DMA_LENGTH unsigned int dma_length; +#endif }; /* @@ -22,22 +24,11 @@ struct scatterlist { * is 0. */ #define sg_dma_address(sg) ((sg)->dma_address) -#ifndef sg_dma_len -/* - * Normally, you have an iommu on 64 bit machines, but not on 32 bit - * machines. Architectures that are differnt should override this. - */ -#if __BITS_PER_LONG == 64 + +#ifdef CONFIG_NEED_SG_DMA_LENGTH #define sg_dma_len(sg) ((sg)->dma_length) #else #define sg_dma_len(sg) ((sg)->length) -#endif /* 64 bit */ -#endif /* sg_dma_len */ - -#ifndef ISA_DMA_THRESHOLD -#define ISA_DMA_THRESHOLD (~0UL) #endif -#define ARCH_HAS_SG_CHAIN - #endif /* __ASM_GENERIC_SCATTERLIST_H */ |