From d6bd3a39f7c6ebad49c261c3d458df974c880758 Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eike-kernel@sf-tec.de>
Date: Fri, 29 Sep 2006 01:59:48 -0700
Subject: [PATCH] [PATCH] Move valid_dma_direction() from x86_64 to generic
 code

As suggested by Muli Ben-Yehuda this function is moved to generic code as
may be useful for all archs.

[akpm@osdl.org: fix]
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/x86_64/kernel/pci-swiotlb.c | 3 ++-
 drivers/net/fec_8xx/fec_main.c   | 2 +-
 drivers/net/fs_enet/fs_enet.h    | 3 +--
 include/asm-x86_64/dma-mapping.h | 7 -------
 include/linux/dma-mapping.h      | 7 +++++++
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c
index 6a55f87ba97f..697f0aa794b9 100644
--- a/arch/x86_64/kernel/pci-swiotlb.c
+++ b/arch/x86_64/kernel/pci-swiotlb.c
@@ -3,7 +3,8 @@
 #include <linux/pci.h>
 #include <linux/cache.h>
 #include <linux/module.h>
-#include <asm/dma-mapping.h>
+#include <linux/dma-mapping.h>
+
 #include <asm/proto.h>
 #include <asm/swiotlb.h>
 #include <asm/dma.h>
diff --git a/drivers/net/fec_8xx/fec_main.c b/drivers/net/fec_8xx/fec_main.c
index 22ac2df1aeb0..e17a1449ee10 100644
--- a/drivers/net/fec_8xx/fec_main.c
+++ b/drivers/net/fec_8xx/fec_main.c
@@ -30,6 +30,7 @@
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/bitops.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/8xx_immap.h>
 #include <asm/pgtable.h>
@@ -37,7 +38,6 @@
 #include <asm/irq.h>
 #include <asm/uaccess.h>
 #include <asm/commproc.h>
-#include <asm/dma-mapping.h>
 
 #include "fec_8xx.h"
 
diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h
index 95022c005f75..92590d8fc24b 100644
--- a/drivers/net/fs_enet/fs_enet.h
+++ b/drivers/net/fs_enet/fs_enet.h
@@ -6,11 +6,10 @@
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/phy.h>
+#include <linux/dma-mapping.h>
 
 #include <linux/fs_enet_pd.h>
 
-#include <asm/dma-mapping.h>
-
 #ifdef CONFIG_CPM1
 #include <asm/commproc.h>
 
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index b6da83dcc7a6..10174b110a5c 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -55,13 +55,6 @@ extern dma_addr_t bad_dma_address;
 extern struct dma_mapping_ops* dma_ops;
 extern int iommu_merge;
 
-static inline int valid_dma_direction(int dma_direction)
-{
-	return ((dma_direction == DMA_BIDIRECTIONAL) ||
-		(dma_direction == DMA_TO_DEVICE) ||
-		(dma_direction == DMA_FROM_DEVICE));
-}
-
 static inline int dma_mapping_error(dma_addr_t dma_addr)
 {
 	if (dma_ops->mapping_error)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 635690cf3e3d..ff203c465fed 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -24,6 +24,13 @@ enum dma_data_direction {
 #define DMA_28BIT_MASK	0x000000000fffffffULL
 #define DMA_24BIT_MASK	0x0000000000ffffffULL
 
+static inline int valid_dma_direction(int dma_direction)
+{
+	return ((dma_direction == DMA_BIDIRECTIONAL) ||
+		(dma_direction == DMA_TO_DEVICE) ||
+		(dma_direction == DMA_FROM_DEVICE));
+}
+
 #include <asm/dma-mapping.h>
 
 /* Backwards compat, remove in 2.7.x */
-- 
2.20.1