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x86: move dma_sync_single_range_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>
This commit is contained in:
Glauber Costa 2008-03-25 18:36:28 -03:00 committed by Ingo Molnar
parent 627610fcb7
commit 713623326c
4 changed files with 15 additions and 20 deletions
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1
arch/x86/kernel/pci-base_32.c
View File

@ -38,6 +38,7 @@ static const struct dma_mapping_ops pci32_dma_ops = {
.sync_single_for_cpu = NULL,
.sync_single_for_device = NULL,
.sync_single_range_for_cpu = NULL,
.sync_single_range_for_device = NULL,
};
const struct dma_mapping_ops *dma_ops = &pci32_dma_ops;

14
include/asm-x86/dma-mapping.h
View File

@ -125,4 +125,18 @@ dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
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)
{
BUG_ON(!valid_dma_direction(direction));
if (dma_ops->sync_single_range_for_device)
dma_ops->sync_single_range_for_device(hwdev, dma_handle,
offset, size, direction);
flush_write_buffers();
}
#endif

8
include/asm-x86/dma-mapping_32.h
View File

@ -32,14 +32,6 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
BUG_ON(!valid_dma_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)
{
flush_write_buffers();
}
static inline void
dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)

12
include/asm-x86/dma-mapping_64.h
View File

@ -28,18 +28,6 @@ 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_device(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_device)
dma_ops->sync_single_range_for_device(hwdev, dma_handle,
offset, size, direction);
flush_write_buffers();
}
static inline void
dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
int nelems, int direction)