linux-kernel - [PATCH 30/30] rtc: rtc-x1205: use devm_rtc_device

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Date:	Thu, 14 Mar 2013 17:24:30 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	'Alessandro Zummo' <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 30/30] rtc: rtc-x1205: use devm_rtc_device_register()

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

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/rtc/rtc-x1205.c |   14 +++-----------
 1 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index f36e59c..fa9b067 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -630,8 +630,8 @@ static int x1205_probe(struct i2c_client *client,
 
 	dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");
 
-	rtc = rtc_device_register(x1205_driver.driver.name, &client->dev,
-				&x1205_rtc_ops, THIS_MODULE);
+	rtc = devm_rtc_device_register(&client->dev, x1205_driver.driver.name,
+					&x1205_rtc_ops, THIS_MODULE);
 
 	if (IS_ERR(rtc))
 		return PTR_ERR(rtc);
@@ -653,21 +653,13 @@ static int x1205_probe(struct i2c_client *client,
 
 	err = x1205_sysfs_register(&client->dev);
 	if (err)
-		goto exit_devreg;
+		return err;
 
 	return 0;
-
-exit_devreg:
-	rtc_device_unregister(rtc);
-
-	return err;
 }
 
 static int x1205_remove(struct i2c_client *client)
 {
-	struct rtc_device *rtc = i2c_get_clientdata(client);
-
-	rtc_device_unregister(rtc);
 	x1205_sysfs_unregister(&client->dev);
 	return 0;
 }
-- 
1.7.2.5


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