linux-kernel - [PATCH 2/3] watchdog: rn5t618: Simplify using devm_watchdog_register

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Date:   Mon,  6 Mar 2023 18:09:00 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de
Subject: [PATCH 2/3] 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@...gutronix.de>
---
 drivers/watchdog/rn5t618_wdt.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
index 40d8ebd8c0ac..c0aee627ff3b 100644
--- 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(&wdt->wdt_dev);
 }
 
 static struct platform_driver rn5t618_wdt_driver = {
 	.probe = rn5t618_wdt_probe,
-	.remove = rn5t618_wdt_remove,
 	.driver = {
 		.name	= DRIVER_NAME,
 	},
-- 
2.39.1