rtc: rtc-max6900: use devm_rtc_device_register()

devm_rtc_device_register() is device managed and makes cleanup paths
simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index a00e332..8669d6d 100644 (file)
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -214,11 +214,6 @@ static int max6900_rtc_set_time(struct device *dev, struct rtc_time *tm)
 
 static int max6900_remove(struct i2c_client *client)
 {
-       struct rtc_device *rtc = i2c_get_clientdata(client);
-
-       if (rtc)
-               rtc_device_unregister(rtc);
-
        return 0;
 }
 
@@ -237,8 +232,8 @@ max6900_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
        dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");
 
-       rtc = rtc_device_register(max6900_driver.driver.name,
-                                 &client->dev, &max6900_rtc_ops, THIS_MODULE);
+       rtc = devm_rtc_device_register(&client->dev, max6900_driver.driver.name,
+                                       &max6900_rtc_ops, THIS_MODULE);
        if (IS_ERR(rtc))
                return PTR_ERR(rtc);