diff options
| author | FUJITA Tomonori | 2010-05-26 14:44:42 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2010-05-27 09:12:55 -0700 |
| commit | 7676679f659ac0112cad02789eb5560da2814e56 (patch) | |
| tree | e4a5e618b6a2c105e38f89dc445c5ac7b332ccc2 /arch/mn10300 | |
| parent | 3e6e3da8d5eafb5f849a14272ed725f85bed5dc8 (diff) | |
mn10300: use asm-generic/scatterlist.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/include/asm/scatterlist.h | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/arch/mn10300/include/asm/scatterlist.h b/arch/mn10300/include/asm/scatterlist.h index 67535901b9ff..7bd00b9e030d 100644 --- a/arch/mn10300/include/asm/scatterlist.h +++ b/arch/mn10300/include/asm/scatterlist.h @@ -11,45 +11,8 @@ #ifndef _ASM_SCATTERLIST_H #define _ASM_SCATTERLIST_H -#include <asm/types.h> - -/* - * Drivers must set either ->address or (preferred) page and ->offset - * to indicate where data must be transferred to/from. - * - * Using page is recommended since it handles highmem data as well as - * low mem. ->address is restricted to data which has a virtual mapping, and - * it will go away in the future. Updating to page can be automated very - * easily -- something like - * - * sg->address = some_ptr; - * - * can be rewritten as - * - * sg_set_page(virt_to_page(some_ptr)); - * sg->offset = (unsigned long) some_ptr & ~PAGE_MASK; - * - * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens - */ -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; /* for highmem, page offset */ - dma_addr_t dma_address; - unsigned int length; -}; +#include <asm-generic/scatterlist.h> #define ISA_DMA_THRESHOLD (0x00ffffff) -/* - * These macros should be used after a pci_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. - */ -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) - #endif /* _ASM_SCATTERLIST_H */ |