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Commit 7cf27cb4 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds
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[PATCH] m68knommu: implement scatter/gather support macros 



Implement the scattergather support macros for m68knommu targets.
Patch originally submitted by Leon Woestenberg <leonw@mailcan.com>.

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 962d69ed

include/asm-m68knommu/scatterlist.h

+6 −0
Original line number Diff line number Diff line 
#ifndef _M68KNOMMU_SCATTERLIST_H

#define _M68KNOMMU_SCATTERLIST_H



#include <linux/mm.h>



struct scatterlist {

	struct page	*page;

	unsigned int	offset;
@@ -8,6 +10,10 @@ struct scatterlist { 
	unsigned int	length;

};



#define sg_address(sg) (page_address((sg)->page) + (sg)->offset

#define sg_dma_address(sg)      ((sg)->dma_address)

#define sg_dma_len(sg)          ((sg)->length)



#define ISA_DMA_THRESHOLD	(0xffffffff)



#endif /* !(_M68KNOMMU_SCATTERLIST_H) */