watchdog: rn5t618: Simplify using devm_watchdog_register_device()

This allows to drop the .remove() function as it only exists to
unregister the watchdog device which is now done in a callback
registered by devm_watchdog_register_device().

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230307070404.2256308-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
index 40d8ebd..87d06d2 100644 (file)
--- a/drivers/watchdog/rn5t618_wdt.c
+++ b/drivers/watchdog/rn5t618_wdt.c
@@ -178,21 +178,11 @@ static int rn5t618_wdt_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, wdt);
 
-       return watchdog_register_device(&wdt->wdt_dev);
-}
-
-static int rn5t618_wdt_remove(struct platform_device *pdev)
-{
-       struct rn5t618_wdt *wdt = platform_get_drvdata(pdev);
-
-       watchdog_unregister_device(&wdt->wdt_dev);
-
-       return 0;
+       return devm_watchdog_register_device(dev, &wdt->wdt_dev);
 }
 
 static struct platform_driver rn5t618_wdt_driver = {
        .probe = rn5t618_wdt_probe,
-       .remove = rn5t618_wdt_remove,
        .driver = {
                .name   = DRIVER_NAME,
        },