--- zzzz-none-000/linux-4.4.60/drivers/tty/serial/max310x.c	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/drivers/tty/serial/max310x.c	2022-03-30 14:21:52.000000000 +0000
@@ -1174,7 +1174,7 @@
 #ifdef CONFIG_GPIOLIB
 	/* Setup GPIO cotroller */
 	s->gpio.owner		= THIS_MODULE;
-	s->gpio.dev		= dev;
+	s->gpio.parent		= dev;
 	s->gpio.label		= dev_name(dev);
 	s->gpio.direction_input	= max310x_gpio_direction_input;
 	s->gpio.get		= max310x_gpio_get;