(submitted) drivers: gpio: da9055: use subsys_platform_driver()

Reduce driver init boilerplate by using the new
subsys_platform_driver() macro.

Signed-off-by: Enrico Weigelt <info@metux.net>
Submitted: 2019-06-17

Author: metux

drivers/gpio/gpio-da9055.c

@@ -163,18 +163,7 @@ static struct platform_driver da9055_gpio_driver = {
 		.name	= "da9055-gpio",
 	},
 };
-
-static int __init da9055_gpio_init(void)
-{
-	return platform_driver_register(&da9055_gpio_driver);
-}
-subsys_initcall(da9055_gpio_init);
-
-static void __exit da9055_gpio_exit(void)
-{
-	platform_driver_unregister(&da9055_gpio_driver);
-}
-module_exit(da9055_gpio_exit);
+subsys_platform_driver(da9055_gpio_driver);
 
 MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
 MODULE_DESCRIPTION("DA9055 GPIO Device Driver");