if (!hym8563)
                return -ENOMEM;
 
+       hym8563->rtc = devm_rtc_allocate_device(&client->dev);
+       if (IS_ERR(hym8563->rtc))
+               return PTR_ERR(hym8563->rtc);
+
        hym8563->client = client;
        i2c_set_clientdata(client, hym8563);
 
        dev_dbg(&client->dev, "rtc information is %s\n",
                (ret & HYM8563_SEC_VL) ? "invalid" : "valid");
 
-       hym8563->rtc = devm_rtc_device_register(&client->dev, client->name,
-                                               &hym8563_rtc_ops, THIS_MODULE);
-       if (IS_ERR(hym8563->rtc))
-               return PTR_ERR(hym8563->rtc);
-
+       hym8563->rtc->ops = &hym8563_rtc_ops;
        /* the hym8563 alarm only supports a minute accuracy */
        hym8563->rtc->uie_unsupported = 1;
 
        hym8563_clkout_register_clk(hym8563);
 #endif
 
-       return 0;
+       return devm_rtc_register_device(hym8563->rtc);
 }
 
 static const struct i2c_device_id hym8563_id[] = {