IA64: fix compile error on IA64_DIG_VTD

[deliverable/linux.git] / arch / ia64 / kernel / dma-mapping.c

diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index 7060e13fa4212ac652b832ad7eb22ca5096d2dcb..086a2aeb0404e6a889d6b10cfe766eca20a568c3 100644 (file)
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -1,5 +1,8 @@
 #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);