watchdog: mt7621: switch to using managed devm_watchdog_register_device()

This does the necessary cleanup on driver unload automatically.

Signed-off-by: André Draszik <git@andred.net>
Cc: linux-watchdog@vger.kernel.org
Cc: John Crispin <john@phrozen.org>
Reviewed-by: Guenter Roeck <Linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
André Draszik 2018-01-12 09:44:54 +00:00 committed by Wim Van Sebroeck
parent 392d39a863
commit 1d2e5eb521

View File

@ -133,7 +133,6 @@ static struct watchdog_device mt7621_wdt_dev = {
static int mt7621_wdt_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mt7621_wdt_base = devm_ioremap_resource(&pdev->dev, res);
@ -164,16 +163,7 @@ static int mt7621_wdt_probe(struct platform_device *pdev)
set_bit(WDOG_HW_RUNNING, &mt7621_wdt_dev.status);
}
ret = watchdog_register_device(&mt7621_wdt_dev);
return 0;
}
static int mt7621_wdt_remove(struct platform_device *pdev)
{
watchdog_unregister_device(&mt7621_wdt_dev);
return 0;
return devm_watchdog_register_device(&pdev->dev, &mt7621_wdt_dev);
}
static void mt7621_wdt_shutdown(struct platform_device *pdev)
@ -189,7 +179,6 @@ MODULE_DEVICE_TABLE(of, mt7621_wdt_match);
static struct platform_driver mt7621_wdt_driver = {
.probe = mt7621_wdt_probe,
.remove = mt7621_wdt_remove,
.shutdown = mt7621_wdt_shutdown,
.driver = {
.name = KBUILD_MODNAME,