watchdog: loongson1: Simplify ls1x_wdt_probe code

Remove meaningless output to simplify ls1x_wdt_probe().

Signed-off-by: Binbin Zhou <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Signed-off-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/loongson1_wdt.c

···
 	struct ls1x_wdt_drvdata *drvdata;
 	struct watchdog_device *ls1x_wdt;
 	unsigned long clk_rate;
-	int err;
 
 	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
 	if (!drvdata)
 		return -ENOMEM;
+	platform_set_drvdata(pdev, drvdata);
 
 	drvdata->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(drvdata->base))
···
 	watchdog_set_nowayout(ls1x_wdt, nowayout);
 	watchdog_set_drvdata(ls1x_wdt, drvdata);
 
-	err = devm_watchdog_register_device(dev, &drvdata->wdt);
-	if (err)
-		return err;
-
-	platform_set_drvdata(pdev, drvdata);
-
-	dev_info(dev, "Loongson1 Watchdog driver registered\n");
-
-	return 0;
+	return devm_watchdog_register_device(dev, &drvdata->wdt);
 }
 
 #ifdef CONFIG_OF