Index: imx-test/drivers/rtc/rtc-mc13xxx.c
===================================================================
--- imx-test.orig/drivers/rtc/rtc-mc13xxx.c
+++ imx-test/drivers/rtc/rtc-mc13xxx.c
@@ -349,8 +349,13 @@ static int __devinit mc13xxx_rtc_probe(s
 	if (ret)
 		goto err_alarm_irq_request;
 
+	mc13xxx_unlock(mc13xxx);
+
 	priv->rtc = rtc_device_register(pdev->name,
 			&pdev->dev, &mc13xxx_rtc_ops, THIS_MODULE);
+
+	mc13xxx_lock(mc13xxx);
+
 	if (IS_ERR(priv->rtc)) {
 		ret = PTR_ERR(priv->rtc);