x86: move dma_sync_single_for_device to common header

i386 gets an empty function.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

3 files changed, 11 insertions, 18 deletions

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 507069d231dd..8ad582c2080a 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -103,4 +103,15 @@ dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
         flush_write_buffers();
 }
 
+static inline void
+dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
+                           size_t size, int direction)
+{
+        BUG_ON(!valid_dma_direction(direction));
+        if (dma_ops->sync_single_for_device)
+                dma_ops->sync_single_for_device(hwdev, dma_handle, size,
+                                                direction);
+        flush_write_buffers();
+}
+
 #endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index a05b2fc810bb..b91771a6a0bd 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -33,13 +33,6 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
 }
 
 static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-                        enum dma_data_direction direction)
-{
-        flush_write_buffers();
-}
-
-static inline void
 dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
                               unsigned long offset, size_t size,
                               enum dma_data_direction direction)
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index b055964d1a27..b539f61f3c78 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -29,17 +29,6 @@ extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 #define dma_unmap_page dma_unmap_single
 
 static inline void
-dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
-                           size_t size, int direction)
-{
-        BUG_ON(!valid_dma_direction(direction));
-        if (dma_ops->sync_single_for_device)
-                dma_ops->sync_single_for_device(hwdev, dma_handle, size,
-                                                direction);
-        flush_write_buffers();
-}
-
-static inline void
 dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
                               unsigned long offset, size_t size, int direction)
 {