diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 4664c2a96c67fee361c3476ddc8f9a8e8842d271..d9da766719c863327d4a8563804994c3edfd01c0 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -43,7 +43,7 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST
 endmenu
 
 config IOMMU_IOVA
-	bool
+	tristate
 
 config OF_IOMMU
        def_bool y
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index dd87123445b30f903c66a8e45ad48932273c5bc5..dd64d33e3a5bacce1c5b9221a4ef723cd1cf291c 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/iova.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 
 void
@@ -559,3 +560,6 @@ split_and_remove_iova(struct iova_domain *iovad, struct iova *iova,
 		free_iova_mem(prev);
 	return NULL;
 }
+
+MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>");
+MODULE_LICENSE("GPL");