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yaml
---
r: 115195
b: refs/heads/master
c: c9af956
h: refs/heads/master
i:
  115193: 5a08676
  115191: ca35782
v: v3
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David Howells authored and Linus Torvalds committed Oct 16, 2008
1 parent 4c5833b commit 66257fe
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Showing 3 changed files with 30 additions and 6 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: 9bd8f9c638c51313328d664a2f7a5e413cfd9044
refs/heads/master: c9af956cf7548bc352557eb8356913e489fd8716
23 changes: 20 additions & 3 deletions trunk/arch/frv/mb93090-mb00/pci-dma-nommu.c
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ EXPORT_SYMBOL(dma_free_coherent);
* The 32-bit bus address to use is returned.
*
* Once the device is given the dma address, the device owns this memory
* until either pci_unmap_single or pci_dma_sync_single is performed.
* until either dma_unmap_single or pci_dma_sync_single is performed.
*/
dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction)
Expand All @@ -129,7 +129,7 @@ EXPORT_SYMBOL(dma_map_single);
/*
* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* above dma_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
Expand All @@ -139,7 +139,7 @@ EXPORT_SYMBOL(dma_map_single);
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
Expand All @@ -158,3 +158,20 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
}

EXPORT_SYMBOL(dma_map_sg);

/*
* Map a single page of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
*
* Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
flush_dcache_page(page);
return (dma_addr_t) page_to_phys(page) + offset;
}

EXPORT_SYMBOL(dma_map_page);
11 changes: 9 additions & 2 deletions trunk/arch/frv/mb93090-mb00/pci-dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ EXPORT_SYMBOL(dma_map_single);
/*
* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* above dma_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
Expand All @@ -71,7 +71,7 @@ EXPORT_SYMBOL(dma_map_single);
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
Expand Down Expand Up @@ -105,6 +105,13 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,

EXPORT_SYMBOL(dma_map_sg);

/*
* Map a single page of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
*
* Device ownership issues as mentioned above for dma_map_single are
* the same here.
*/
dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
Expand Down

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