diff --git a/include/linux/property.h b/include/linux/property.h
index 0d87631..073e680 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -119,7 +119,7 @@ struct fwnode_handle *device_get_named_child_node(struct device *dev,
 struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
 void fwnode_handle_put(struct fwnode_handle *fwnode);
 
-int fwnode_irq_get(struct fwnode_handle *fwnode, unsigned int index);
+int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index);
 
 unsigned int device_get_child_node_count(struct device *dev);