From 7676679f659ac0112cad02789eb5560da2814e56 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 26 May 2010 14:44:42 -0700 Subject: [PATCH] mn10300: use asm-generic/scatterlist.h Signed-off-by: FUJITA Tomonori Cc: David Howells Cc: Koichi Yasutake Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/mn10300/include/asm/scatterlist.h | 73 +++++++++------------------------- 1 file changed, 18 insertions(+), 55 deletions(-) rewrite arch/mn10300/include/asm/scatterlist.h (68%) diff --git a/arch/mn10300/include/asm/scatterlist.h b/arch/mn10300/include/asm/scatterlist.h dissimilarity index 68% index 67535901b9ff..7bd00b9e030d 100644 --- a/arch/mn10300/include/asm/scatterlist.h +++ b/arch/mn10300/include/asm/scatterlist.h @@ -1,55 +1,18 @@ -/* MN10300 Scatterlist definitions - * - * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#ifndef _ASM_SCATTERLIST_H -#define _ASM_SCATTERLIST_H - -#include - -/* - * 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; -}; - -#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 */ +/* MN10300 Scatterlist definitions + * + * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _ASM_SCATTERLIST_H +#define _ASM_SCATTERLIST_H + +#include + +#define ISA_DMA_THRESHOLD (0x00ffffff) + +#endif /* _ASM_SCATTERLIST_H */ -- 2.11.4.GIT