diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index ea2a1df6..2dda00b 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -40,6 +40,19 @@
 }
 EXPORT_SYMBOL_GPL(iommu_found);
 
+/**
+ * iommu_set_fault_handler() - set a fault handler for an iommu domain
+ * @domain: iommu domain
+ * @handler: fault handler
+ */
+void iommu_set_fault_handler(struct iommu_domain *domain,
+					iommu_fault_handler_t handler)
+{
+	BUG_ON(!domain);
+
+	domain->handler = handler;
+}
+
 struct iommu_domain *iommu_domain_alloc(int flags)
 {
 	struct iommu_domain *domain;