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authorDavid S. Miller <davem@davemloft.net>2008-10-11 12:39:35 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-11 12:39:35 -0700
commit56c5d900dbb8e042bfad035d18433476931d8f93 (patch)
tree00b793965beeef10db03e0ff021d2d965c410759 /arch/x86/kernel/pci-calgary_64.c
parent4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff)
parentead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff)
downloadop-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip
op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: sound/core/memalloc.c
Diffstat (limited to 'arch/x86/kernel/pci-calgary_64.c')
-rw-r--r--arch/x86/kernel/pci-calgary_64.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index dcdac6c..080d1d2 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -261,7 +261,7 @@ static void iommu_range_reserve(struct iommu_table *tbl,
badbit, tbl, start_addr, npages);
}
- set_bit_string(tbl->it_map, index, npages);
+ iommu_area_reserve(tbl->it_map, index, npages);
spin_unlock_irqrestore(&tbl->it_lock, flags);
}
@@ -491,6 +491,8 @@ static void* calgary_alloc_coherent(struct device *dev, size_t size,
npages = size >> PAGE_SHIFT;
order = get_order(size);
+ flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+
/* alloc enough pages (and possibly more) */
ret = (void *)__get_free_pages(flag, order);
if (!ret)
@@ -510,8 +512,22 @@ error:
return ret;
}
+static void calgary_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle)
+{
+ unsigned int npages;
+ struct iommu_table *tbl = find_iommu_table(dev);
+
+ size = PAGE_ALIGN(size);
+ npages = size >> PAGE_SHIFT;
+
+ iommu_free(tbl, dma_handle, npages);
+ free_pages((unsigned long)vaddr, get_order(size));
+}
+
static struct dma_mapping_ops calgary_dma_ops = {
.alloc_coherent = calgary_alloc_coherent,
+ .free_coherent = calgary_free_coherent,
.map_single = calgary_map_single,
.unmap_single = calgary_unmap_single,
.map_sg = calgary_map_sg,
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