x86: move dma_sync_sg_for_cpu 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>
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 260538b..1a301d7 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -139,4 +139,13 @@
flush_write_buffers();
}
+static inline void
+dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
+ int nelems, int direction)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ if (dma_ops->sync_sg_for_cpu)
+ dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
+ flush_write_buffers();
+}
#endif
diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index 60d5371..e7c82e3 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -33,12 +33,6 @@
}
static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
- enum dma_data_direction direction)
-{
-}
-
-static inline void
dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h
index dfa66cc..804b154 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -27,17 +27,6 @@
dma_map_single((dev), page_address(page)+(offset), (size), (dir))
#define dma_unmap_page dma_unmap_single
-
-static inline void
-dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
- int nelems, int direction)
-{
- BUG_ON(!valid_dma_direction(direction));
- if (dma_ops->sync_sg_for_cpu)
- dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
- flush_write_buffers();
-}
-
static inline void
dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
int nelems, int direction)