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authorMuli Ben-Yehuda <muli@il.ibm.com>2007-07-21 17:11:06 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:12 -0700
commit3cc39bda26c90782f98305c34a7f769819784a61 (patch)
tree173d70ca1c58108041d71abec04cf5662cbccd44 /arch/x86_64/kernel
parent0b11e1c6a604014283af70e27e0f32971407fd6d (diff)
x86_64: Calgary - fold in redundant functions
After the bitmap changes we can get rid of the unlocked versions of calgary_unmap_sg and iommu_free. Fold __calgary_unmap_sg and __iommu_free into their calgary_unmap_sg and iommu_free, respectively. Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64/kernel')
-rw-r--r--arch/x86_64/kernel/pci-calgary.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index d10fee8c241..86927d5b846 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -321,7 +321,7 @@ error:
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;
@@ -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;
@@ -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;
@@ -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)
{
@@ -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;