diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 866489ad56d67db1b5a69c4b9e7bc294b864c7f4..0013bff0447d5b8df1e5a801a69414184d0f84d8 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -909,10 +909,7 @@ static int m41t80_probe(struct i2c_client *client)
 	if (IS_ERR(m41t80_data->rtc))
 		return PTR_ERR(m41t80_data->rtc);
 
-#ifdef CONFIG_OF
-	wakeup_source = of_property_read_bool(client->dev.of_node,
-					      "wakeup-source");
-#endif
+	wakeup_source = device_property_read_bool(&client->dev, "wakeup-source");
 	if (client->irq > 0) {
 		unsigned long irqflags = IRQF_TRIGGER_LOW;