i386 gets an empty function
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]>
---
arch/x86/kernel/pci-base_32.c | 1 +
include/asm-x86/dma-mapping.h | 12 ++++++++++++
include/asm-x86/dma-mapping_32.h | 6 ------
include/asm-x86/dma-mapping_64.h | 11 -----------
4 files changed, 13 insertions(+), 17 deletions(-)
diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index 9205304..dce03c8 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -35,6 +35,7 @@ static const struct dma_mapping_ops pci32_dma_ops = {
.unmap_single = NULL,
.map_sg = pci32_dma_map_sg,
.unmap_sg = NULL,
+ .sync_single_for_cpu = NULL,
};
const struct dma_mapping_ops *dma_ops = &pci32_dma_ops;
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 6e7747a..507069d 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -91,4 +91,16 @@ dma_unmap_sg(struct device *hwdev, struct scatterlist *sg,
int nents,
if (dma_ops->unmap_sg)
dma_ops->unmap_sg(hwdev, sg, nents, direction);
}
+
+static inline void
+dma_sync_single_for_cpu(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_cpu)
+ dma_ops->sync_single_for_cpu(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 55445e3..a05b2fc 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -33,12 +33,6 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size,
}
static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
- enum dma_data_direction direction)
-{
-}
-
-static inline void
dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, 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 ce37efb..b055964 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_cpu(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_cpu)
- dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
- direction);
- flush_write_buffers();
-}
-
-static inline void
dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
size_t size, int direction)
{
--
1.5.0.6
-------------------------------------------------------------------------
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