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yaml
---
r: 138900
b: refs/heads/master
c: 0b8698a
h: refs/heads/master
v: v3
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Ian Campbell authored and Ingo Molnar committed Jan 11, 2009
1 parent a9d33fd commit 1b92f88
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Showing 4 changed files with 8 additions and 8 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: 0811a433c61e85f895018239c4466a36311cd5de
refs/heads/master: 0b8698ab5847cbe25775083659f00c658a8161c9
2 changes: 1 addition & 1 deletion trunk/arch/x86/kernel/pci-swiotlb_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr)
return baddr;
}

int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size)
int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size)
{
return 0;
}
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2 changes: 1 addition & 1 deletion trunk/include/linux/swiotlb.h
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
phys_addr_t address);
extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);

extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size);
extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);

extern void
*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
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10 changes: 5 additions & 5 deletions trunk/lib/swiotlb.c
Original file line number Diff line number Diff line change
Expand Up @@ -145,7 +145,7 @@ static void *swiotlb_bus_to_virt(dma_addr_t address)
return phys_to_virt(swiotlb_bus_to_phys(address));
}

int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size)
int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size)
{
return 0;
}
Expand Down Expand Up @@ -315,9 +315,9 @@ address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size)
return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size);
}

static inline int range_needs_mapping(void *ptr, size_t size)
static inline int range_needs_mapping(phys_addr_t paddr, size_t size)
{
return swiotlb_force || swiotlb_arch_range_needs_mapping(ptr, size);
return swiotlb_force || swiotlb_arch_range_needs_mapping(paddr, size);
}

static int is_swiotlb_buffer(char *addr)
Expand Down Expand Up @@ -653,7 +653,7 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
* buffering it.
*/
if (!address_needs_mapping(dev, dev_addr, size) &&
!range_needs_mapping(ptr, size))
!range_needs_mapping(virt_to_phys(ptr), size))
return dev_addr;

/*
Expand Down Expand Up @@ -804,7 +804,7 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
void *addr = sg_virt(sg);
dma_addr_t dev_addr = swiotlb_virt_to_bus(hwdev, addr);

if (range_needs_mapping(addr, sg->length) ||
if (range_needs_mapping(sg_phys(sg), sg->length) ||
address_needs_mapping(hwdev, dev_addr, sg->length)) {
void *map = map_single(hwdev, sg_phys(sg),
sg->length, dir);
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