[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>
diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c
index 6a55f87..697f0aa 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 22ac2df..e17a144 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 95022c005..92590d8 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 b6da83d..10174b1 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -55,13 +55,6 @@
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 635690c..ff203c4 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -24,6 +24,13 @@
#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 */