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-rw-r--r--arch/ia64/kernel/dma-mapping.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
new file mode 100644
index 00000000000..086a2aeb040
--- /dev/null
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -0,0 +1,13 @@
+#include <linux/dma-mapping.h>
+
+/* Set this to 1 if there is a HW IOMMU in the system */
+int iommu_detected __read_mostly;
+
+struct dma_map_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
+struct dma_map_ops *dma_get_ops(struct device *dev)
+{
+ return dma_ops;
+}
+EXPORT_SYMBOL(dma_get_ops);