[PATCH] m68knommu: implement scatter/gather support macros

7cf27cb4 · Greg Ungerer <[email protected]> · 2005-09-13 11:14:08 +10:00

Implement the scattergather support macros for m68knommu targets.
Patch originally submitted by Leon Woestenberg <[email protected]>.

Signed-off-by: Greg Ungerer <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 7cf27cb4162bd586c015e32383f30bc7fbb3ff8a
Parents: 962d69ed

Changes

1 files changed · +6 −0

File	Status	Add	Del	Content
include/asm-m68knommu/scatterlist.h	modified	+6	−0	View file

include/asm-m68knommu/scatterlist.h

View file

diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h
index 230b8d5..12309b1 100644
--- a/include/asm-m68knommu/scatterlist.h
+++ b/include/asm-m68knommu/scatterlist.h
@@ -1,6 +1,8 @@
 #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) */