[PATCH -mm 11/12] mn10300: use asm-generic/scatterlist.h
in [Kernel]
|
Prev: [PATCH -mm 01/12] asm-generic: remove ARCH_HAS_SG_CHAIN in scatterlist.h
Next: [PATCH -mm 10/12] frv: use asm-generic/scatterlist.h
From: FUJITA Tomonori on 5 Apr 2010 20:00 Signed-off-by: FUJITA Tomonori <fujita.tomonori(a)lab.ntt.co.jp> Cc: David Howells <dhowells(a)redhat.com> Cc: Koichi Yasutake <yasutake.koichi(a)jp.panasonic.com> --- 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 6753590..7bd00b9 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 */ -- 1.7.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |