dma: import linux/dma-direction.h to consolidate enum dma_data_direction
Import include/linux/dma-direction.h from Linux 4.13-rc7 and delete
duplicated definitions of enum dma_data_direction.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index a5821f5..2874668 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -8,13 +8,9 @@
#ifndef __ASM_ARM_DMA_MAPPING_H
#define __ASM_ARM_DMA_MAPPING_H
-#define dma_mapping_error(x, y) 0
+#include <linux/dma-direction.h>
-enum dma_data_direction {
- DMA_BIDIRECTIONAL = 0,
- DMA_TO_DEVICE = 1,
- DMA_FROM_DEVICE = 2,
-};
+#define dma_mapping_error(x, y) 0
static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
diff --git a/arch/nds32/include/asm/dma-mapping.h b/arch/nds32/include/asm/dma-mapping.h
index 25e5a1b..a627306 100644
--- a/arch/nds32/include/asm/dma-mapping.h
+++ b/arch/nds32/include/asm/dma-mapping.h
@@ -7,11 +7,7 @@
#ifndef __ASM_NDS_DMA_MAPPING_H
#define __ASM_NDS_DMA_MAPPING_H
-enum dma_data_direction {
- DMA_BIDIRECTIONAL = 0,
- DMA_TO_DEVICE = 1,
- DMA_FROM_DEVICE = 2,
-};
+#include <linux/dma-direction.h>
static void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 7de4c08..43073ad 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -8,13 +8,9 @@
#ifndef __ASM_X86_DMA_MAPPING_H
#define __ASM_X86_DMA_MAPPING_H
-#define dma_mapping_error(x, y) 0
+#include <linux/dma-direction.h>
-enum dma_data_direction {
- DMA_BIDIRECTIONAL = 0,
- DMA_TO_DEVICE = 1,
- DMA_FROM_DEVICE = 2,
-};
+#define dma_mapping_error(x, y) 0
static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
diff --git a/drivers/ata/sata_dwc.c b/drivers/ata/sata_dwc.c
index a226ca2..2f3b2dd 100644
--- a/drivers/ata/sata_dwc.c
+++ b/drivers/ata/sata_dwc.c
@@ -26,6 +26,7 @@
#include <command.h>
#include <pci.h>
#include <asm/processor.h>
+#include <linux/dma-direction.h>
#include <linux/errno.h>
#include <asm/io.h>
#include <malloc.h>
diff --git a/drivers/ata/sata_dwc.h b/drivers/ata/sata_dwc.h
index e2d9e0c..17fb20c 100644
--- a/drivers/ata/sata_dwc.h
+++ b/drivers/ata/sata_dwc.h
@@ -401,13 +401,6 @@
#endif
};
-enum dma_data_direction {
- DMA_BIDIRECTIONAL = 0,
- DMA_TO_DEVICE = 1,
- DMA_FROM_DEVICE = 2,
- DMA_NONE = 3,
-};
-
struct ata_link {
struct ata_port *ap;
int pmp;
diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c
index e272b14..721b75f 100644
--- a/drivers/mmc/uniphier-sd.c
+++ b/drivers/mmc/uniphier-sd.c
@@ -11,10 +11,10 @@
#include <mmc.h>
#include <dm.h>
#include <linux/compat.h>
+#include <linux/dma-direction.h>
#include <linux/io.h>
#include <linux/sizes.h>
#include <asm/unaligned.h>
-#include <asm/dma-mapping.h>
DECLARE_GLOBAL_DATA_PTR;
diff --git a/include/linux/dma-direction.h b/include/linux/dma-direction.h
new file mode 100644
index 0000000..95b6a82
--- /dev/null
+++ b/include/linux/dma-direction.h
@@ -0,0 +1,13 @@
+#ifndef _LINUX_DMA_DIRECTION_H
+#define _LINUX_DMA_DIRECTION_H
+/*
+ * These definitions mirror those in pci.h, so they can be used
+ * interchangeably with their PCI_ counterparts.
+ */
+enum dma_data_direction {
+ DMA_BIDIRECTIONAL = 0,
+ DMA_TO_DEVICE = 1,
+ DMA_FROM_DEVICE = 2,
+ DMA_NONE = 3,
+};
+#endif