1 files changed, 26 insertions, 0 deletions

diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
new file mode 100644
index 00000000000..377320e3bd1
--- /dev/null
+++ b/arch/avr32/include/asm/scatterlist.h
@@ -0,0 +1,26 @@
+#ifndef __ASM_AVR32_SCATTERLIST_H
+#define __ASM_AVR32_SCATTERLIST_H
+
+#include <asm/types.h>
+
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+   unsigned long        sg_magic;
+#endif
+    unsigned long       page_link;
+    unsigned int        offset;
+    dma_addr_t          dma_address;
+    unsigned int        length;
+};
+
+/* These macros should be used after a pci_map_sg call has been done
+ * to get bus addresses of each of the SG entries and their lengths.
+ * You should only work with the number of sg entries pci_map_sg
+ * returns.
+ */
+#define sg_dma_address(sg)      ((sg)->dma_address)
+#define sg_dma_len(sg)          ((sg)->length)
+
+#define ISA_DMA_THRESHOLD (0xffffffff)
+
+#endif /* __ASM_AVR32_SCATTERLIST_H */