diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 1717cd935e1c9233b8c868dfb3fe57306ee992a1..b8e241125201d6a4ed29bfb30fded26e5d711654 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -83,6 +83,11 @@ static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
 {
 	return 0;
 }
+
+static inline void *of_irq_find_parent(struct device_node *child)
+{
+	return NULL;
+}
 #endif /* !CONFIG_OF */
 
 #endif /* __OF_IRQ_H */