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Commit 459d42b7 authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by Linus Torvalds
Browse files

blackfin: use use asm-generic/scatterlist.h 



Signed-off-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6ba68671

arch/blackfin/include/asm/scatterlist.h

+1 −21
Original line number Diff line number Diff line 
#ifndef _BLACKFIN_SCATTERLIST_H

#define _BLACKFIN_SCATTERLIST_H



#include <linux/mm.h>



struct scatterlist {

#ifdef CONFIG_DEBUG_SG

	unsigned long sg_magic;

#endif

	unsigned long page_link;

	unsigned int offset;

	dma_addr_t dma_address;

	unsigned int length;

};



/*

 * 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, 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)->length)

#include <asm-generic/scatterlist.h>



#define ISA_DMA_THRESHOLD	(0xffffffff)