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-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 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) */
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