From 46856afa01769db3a5b16c3f57aa5bca45729edd Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 10 May 2007 11:59:55 +0200
Subject: [PATCH] x86-64: enable sg chaining

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/asm-x86/dma-mapping_64.h | 3 +--
 include/asm-x86/scatterlist_64.h | 2 ++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index 6897e2a436e..ecd0f6125ba 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -6,8 +6,7 @@
  * documentation.
  */
 
-
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <asm/io.h>
 #include <asm/swiotlb.h>
 
diff --git a/include/asm-x86/scatterlist_64.h b/include/asm-x86/scatterlist_64.h
index eaf7ada27e1..ef3986ba4b7 100644
--- a/include/asm-x86/scatterlist_64.h
+++ b/include/asm-x86/scatterlist_64.h
@@ -11,6 +11,8 @@ struct scatterlist {
     unsigned int        dma_length;
 };
 
+#define ARCH_HAS_SG_CHAIN
+
 #define ISA_DMA_THRESHOLD (0x00ffffff)
 
 /* These macros should be used after a pci_map_sg call has been done
-- 
2.20.1