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authorGreg Ungerer <gerg@snapgear.com>2005-09-13 11:14:08 +1000
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-12 20:04:15 -0700
commit7cf27cb4162bd586c015e32383f30bc7fbb3ff8a (patch)
treeabba76806a5506eaa9e793e8bdd7b6c8ca6b44fa
parent962d69ed6f5c911fbdb23ef2304e3a5903e5ccbb (diff)
downloadlinux-linaro-7cf27cb4162bd586c015e32383f30bc7fbb3ff8a.tar.gz
[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: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--include/asm-m68knommu/scatterlist.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h
index 230b8d56d17..12309b181d2 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) */