From 7cf27cb4162bd586c015e32383f30bc7fbb3ff8a Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@snapgear.com>
Date: Tue, 13 Sep 2005 11:14:08 +1000
Subject: [PATCH] [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>
---
include/asm-m68knommu/scatterlist.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h
index 230b8d56d17f..12309b181d29 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) */
--
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