[PATCH 08/20] x86: move dma_sync_single_range_for_cpu to common header

Glauber Costa
2008-03-25T21:36:27Z

i386 gets an empty function

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
arch/x86/kernel/pci-base_32.c | 1 +
include/asm-x86/dma-mapping.h | 11 +++++++++++
include/asm-x86/dma-mapping_32.h | 7 -------
include/asm-x86/dma-mapping_64.h | 12 ------------
4 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index 3648824..c501599 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -37,6 +37,7 @@ static const struct dma_mapping_ops pci32_dma_ops = {
.unmap_sg = NULL,
.sync_single_for_cpu = NULL,
.sync_single_for_device = NULL,
+ .sync_single_range_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 8ad582c..a466470 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -114,4 +114,15 @@ dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
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)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ if (dma_ops->sync_single_range_for_cpu)
+ dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset,
+ 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 b91771a..e24c59d 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_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
- unsigned long offset, size_t size,
- enum dma_data_direction direction)
-{
-}
-
-static inline void
dma_sync_single_range_for_device(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 b539f61..6ecafad 100644
--- a/include/asm-x86/dma-mapping_64.h
+++ b/include/asm-x86/dma-mapping_64.h
@@ -29,18 +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_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
- unsigned long offset, size_t size, int direction)
-{
- BUG_ON(!valid_dma_direction(direction));
- if (dma_ops->sync_single_range_for_cpu) {
- dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction);
- }
-
- flush_write_buffers();
-}
-
-static inline void
dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
unsigned long offset, size_t size, int direction)
{