rtc: pcf85063: remove struct pcf85063

No members of struct pcf85063 are used anymore, remove the whole structure.
Reviewed-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

drivers/rtc/rtc-pcf85063.c

@@ -31,11 +31,6 @@
 
 static struct i2c_driver pcf85063_driver;
 
-struct pcf85063 {
-	struct rtc_device *rtc;
-	int voltage_low; /* indicates if a low_voltage was detected */
-};
-
 static int pcf85063_stop_clock(struct i2c_client *client, u8 *ctrl1)
 {
 	s32 ret;
@@ -168,25 +163,18 @@ static const struct rtc_class_ops pcf85063_rtc_ops = {
 static int pcf85063_probe(struct i2c_client *client,
 				const struct i2c_device_id *id)
 {
-	struct pcf85063 *pcf85063;
+	struct rtc_device *rtc;
 
 	dev_dbg(&client->dev, "%s\n", __func__);
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
 		return -ENODEV;
 
-	pcf85063 = devm_kzalloc(&client->dev, sizeof(struct pcf85063),
-				GFP_KERNEL);
-	if (!pcf85063)
-		return -ENOMEM;
-
-	i2c_set_clientdata(client, pcf85063);
-
-	pcf85063->rtc = devm_rtc_device_register(&client->dev,
-				pcf85063_driver.driver.name,
-				&pcf85063_rtc_ops, THIS_MODULE);
+	rtc = devm_rtc_device_register(&client->dev,
+				       pcf85063_driver.driver.name,
+				       &pcf85063_rtc_ops, THIS_MODULE);
 
-	return PTR_ERR_OR_ZERO(pcf85063->rtc);
+	return PTR_ERR_OR_ZERO(rtc);
 }
 
 static const struct i2c_device_id pcf85063_id[] = {