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x86: move dma_sync_single_range_for_cpu to common header

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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 18:36:27 -03:00 committed by Ingo Molnar
parent 9231b269e0
commit 627610fcb7
4 changed files with 12 additions and 19 deletions
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1
arch/x86/kernel/pci-base_32.c
View File

@ -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;

11
include/asm-x86/dma-mapping.h
View File

@ -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

7
include/asm-x86/dma-mapping_32.h
View File

@ -32,13 +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_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,

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_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)