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yaml
---
r: 344908
b: refs/heads/master
c: fbfda89
h: refs/heads/master
v: v3
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Alexander Duyck authored and Konrad Rzeszutek Wilk committed Oct 30, 2012
1 parent ca0b658 commit f2b119c
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Showing 4 changed files with 15 additions and 15 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: 61ca08c3220032dd88815b3465d56cb779258168
refs/heads/master: fbfda893eb570bbe9e9ad9128b6e9cf2a1e48c87
3 changes: 1 addition & 2 deletions trunk/drivers/xen/swiotlb-xen.c
Original file line number Diff line number Diff line change
Expand Up @@ -433,8 +433,7 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,

/* NOTE: We use dev_addr here, not paddr! */
if (is_xen_swiotlb_buffer(dev_addr)) {
swiotlb_tbl_sync_single(hwdev, phys_to_virt(paddr), size, dir,
target);
swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);
return;
}

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3 changes: 2 additions & 1 deletion trunk/include/linux/swiotlb.h
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,8 @@ extern void swiotlb_tbl_unmap_single(struct device *hwdev,
phys_addr_t tlb_addr,
size_t size, enum dma_data_direction dir);

extern void swiotlb_tbl_sync_single(struct device *hwdev, char *dma_addr,
extern void swiotlb_tbl_sync_single(struct device *hwdev,
phys_addr_t tlb_addr,
size_t size, enum dma_data_direction dir,
enum dma_sync_target target);

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22 changes: 11 additions & 11 deletions trunk/lib/swiotlb.c
Original file line number Diff line number Diff line change
Expand Up @@ -557,26 +557,27 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
}
EXPORT_SYMBOL_GPL(swiotlb_tbl_unmap_single);

void
swiotlb_tbl_sync_single(struct device *hwdev, char *dma_addr, size_t size,
enum dma_data_direction dir,
enum dma_sync_target target)
void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
size_t size, enum dma_data_direction dir,
enum dma_sync_target target)
{
int index = (dma_addr - (char *)phys_to_virt(io_tlb_start)) >> IO_TLB_SHIFT;
phys_addr_t phys = io_tlb_orig_addr[index];
int index = (tlb_addr - io_tlb_start) >> IO_TLB_SHIFT;
phys_addr_t orig_addr = io_tlb_orig_addr[index];

phys += ((unsigned long)dma_addr & ((1 << IO_TLB_SHIFT) - 1));
orig_addr += (unsigned long)tlb_addr & ((1 << IO_TLB_SHIFT) - 1);

switch (target) {
case SYNC_FOR_CPU:
if (likely(dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL))
swiotlb_bounce(phys, dma_addr, size, DMA_FROM_DEVICE);
swiotlb_bounce(orig_addr, phys_to_virt(tlb_addr),
size, DMA_FROM_DEVICE);
else
BUG_ON(dir != DMA_TO_DEVICE);
break;
case SYNC_FOR_DEVICE:
if (likely(dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL))
swiotlb_bounce(phys, dma_addr, size, DMA_TO_DEVICE);
swiotlb_bounce(orig_addr, phys_to_virt(tlb_addr),
size, DMA_TO_DEVICE);
else
BUG_ON(dir != DMA_FROM_DEVICE);
break;
Expand Down Expand Up @@ -785,8 +786,7 @@ swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
BUG_ON(dir == DMA_NONE);

if (is_swiotlb_buffer(paddr)) {
swiotlb_tbl_sync_single(hwdev, phys_to_virt(paddr), size, dir,
target);
swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);
return;
}

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