--- zzzz-none-000/linux-4.4.60/drivers/gpio/gpio-pcf857x.c	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/drivers/gpio/gpio-pcf857x.c	2022-03-30 14:21:52.000000000 +0000
@@ -293,7 +293,7 @@
 
 	gpio->chip.base			= pdata ? pdata->gpio_base : -1;
 	gpio->chip.can_sleep		= true;
-	gpio->chip.dev			= &client->dev;
+	gpio->chip.parent			= &client->dev;
 	gpio->chip.owner		= THIS_MODULE;
 	gpio->chip.get			= pcf857x_get;
 	gpio->chip.set			= pcf857x_set;