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yaml
---
r: 144950
b: refs/heads/master
c: 4f29c05
h: refs/heads/master
v: v3
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Atsushi Nemoto authored and Ralf Baechle committed May 14, 2009
1 parent f0dc1c8 commit d7400ed
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Showing 3 changed files with 9 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 47740eb887796608fb4c629aa6b8507a2fb6c0eb
refs/heads/master: 4f29c057aa81c5440f06b716f768ba9f8a041fe9
9 changes: 7 additions & 2 deletions trunk/arch/mips/include/asm/dma-mapping.h
Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,13 @@ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction direction);
extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction);

static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction)
{
dma_unmap_single(dev, dma_address, size, direction);
}

extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nhwentries, enum dma_data_direction direction);
extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
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19 changes: 1 addition & 18 deletions trunk/arch/mips/mm/dma-default.c
Original file line number Diff line number Diff line change
Expand Up @@ -209,31 +209,14 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long addr;

addr = (unsigned long) page_address(page) + offset;
dma_cache_wback_inv(addr, size);
__dma_sync(addr, size, direction);
}

return plat_map_dma_mem_page(dev, page) + offset;
}

EXPORT_SYMBOL(dma_map_page);

void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);

if (!plat_device_is_coherent(dev) && direction != DMA_TO_DEVICE) {
unsigned long addr;

addr = dma_addr_to_virt(dma_address);
dma_cache_wback_inv(addr, size);
}

plat_unmap_dma_mem(dev, dma_address);
}

EXPORT_SYMBOL(dma_unmap_page);

void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
enum dma_data_direction direction)
{
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