--- zzzz-none-000/linux-4.4.271/drivers/gpio/gpio-pcf857x.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/gpio/gpio-pcf857x.c	2023-04-19 10:22:28.000000000 +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;