rtc: rtc-em3027: 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-em3027.c b/drivers/rtc/rtc-em3027.c
index f6c24ce35d3629226f80d055677a6f4097f06406..3f9eb57d0486892e979ce65d0ce51c2021466782 100644 (file)
--- a/drivers/rtc/rtc-em3027.c
+++ b/drivers/rtc/rtc-em3027.c
@@ -121,7 +121,7 @@ static int em3027_probe(struct i2c_client *client,
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
                return -ENODEV;
 
-       rtc = rtc_device_register(em3027_driver.driver.name, &client->dev,
+       rtc = devm_rtc_device_register(&client->dev, em3027_driver.driver.name,
                                  &em3027_rtc_ops, THIS_MODULE);
        if (IS_ERR(rtc))
                return PTR_ERR(rtc);
@@ -133,11 +133,6 @@ static int em3027_probe(struct i2c_client *client,
 
 static int em3027_remove(struct i2c_client *client)
 {
-       struct rtc_device *rtc = i2c_get_clientdata(client);
-
-       if (rtc)
-               rtc_device_unregister(rtc);
-
        return 0;
 }