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