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-rw-r--r--arch/x86_64/kernel/pci-dma.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index f8d857453f8a..683b7a5c1ab3 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -296,6 +296,11 @@ __init int iommu_setup(char *p)
gart_parse_options(p);
#endif
+#ifdef CONFIG_CALGARY_IOMMU
+ if (!strncmp(p, "calgary", 7))
+ use_calgary = 1;
+#endif /* CONFIG_CALGARY_IOMMU */
+
p += strcspn(p, ",");
if (*p == ',')
++p;
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