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yaml
---
r: 62420
b: refs/heads/master
c: 3cc39bd
h: refs/heads/master
v: v3
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Muli Ben-Yehuda authored and Linus Torvalds committed Jul 22, 2007
1 parent e8399f1 commit ccc66b0
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Showing 2 changed files with 10 additions and 22 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: 0b11e1c6a604014283af70e27e0f32971407fd6d
refs/heads/master: 3cc39bda26c90782f98305c34a7f769819784a61
30 changes: 9 additions & 21 deletions trunk/arch/x86_64/kernel/pci-calgary.c
Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,7 @@ static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *vaddr,
return bad_dma_address;
}

static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
unsigned int npages)
{
unsigned long entry;
Expand Down Expand Up @@ -359,12 +359,6 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
spin_unlock_irqrestore(&tbl->it_lock, flags);
}

static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
unsigned int npages)
{
__iommu_free(tbl, dma_addr, npages);
}

static inline struct iommu_table *find_iommu_table(struct device *dev)
{
struct pci_dev *pdev;
Expand All @@ -387,9 +381,14 @@ static inline struct iommu_table *find_iommu_table(struct device *dev)
return tbl;
}

static void __calgary_unmap_sg(struct iommu_table *tbl,
static void calgary_unmap_sg(struct device *dev,
struct scatterlist *sglist, int nelems, int direction)
{
struct iommu_table *tbl = find_iommu_table(dev);

if (!translate_phb(to_pci_dev(dev)))
return;

while (nelems--) {
unsigned int npages;
dma_addr_t dma = sglist->dma_address;
Expand All @@ -399,22 +398,11 @@ static void __calgary_unmap_sg(struct iommu_table *tbl,
break;

npages = num_dma_pages(dma, dmalen);
__iommu_free(tbl, dma, npages);
iommu_free(tbl, dma, npages);
sglist++;
}
}

void calgary_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, int direction)
{
struct iommu_table *tbl = find_iommu_table(dev);

if (!translate_phb(to_pci_dev(dev)))
return;

__calgary_unmap_sg(tbl, sglist, nelems, direction);
}

static int calgary_nontranslate_map_sg(struct device* dev,
struct scatterlist *sg, int nelems, int direction)
{
Expand Down Expand Up @@ -466,7 +454,7 @@ static int calgary_map_sg(struct device *dev, struct scatterlist *sg,

return nelems;
error:
__calgary_unmap_sg(tbl, sg, nelems, direction);
calgary_unmap_sg(dev, sg, nelems, direction);
for (i = 0; i < nelems; i++) {
sg[i].dma_address = bad_dma_address;
sg[i].dma_length = 0;
Expand Down

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