linux-kernel - [PATCH 22/30] rtc: rtc-rv3029c2: use devm_rtc_device

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Message-id: <009901ce208c$fbe45ac0$f3ad1040$%han@samsung.com>
Date:	Thu, 14 Mar 2013 17:21:53 +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 22/30] rtc: rtc-rv3029c2: 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-rv3029c2.c |   16 +++-------------
 1 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index f8ee8ad..5032c24 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -395,9 +395,8 @@ static int rv3029c2_probe(struct i2c_client *client,
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL))
 		return -ENODEV;
 
-	rtc = rtc_device_register(client->name,
-				&client->dev, &rv3029c2_rtc_ops,
-				THIS_MODULE);
+	rtc = devm_rtc_device_register(&client->dev, client->name,
+					&rv3029c2_rtc_ops, THIS_MODULE);
 
 	if (IS_ERR(rtc))
 		return PTR_ERR(rtc);
@@ -407,23 +406,14 @@ static int rv3029c2_probe(struct i2c_client *client,
 	rc = rv3029c2_i2c_get_sr(client, buf);
 	if (rc < 0) {
 		dev_err(&client->dev, "reading status failed\n");
-		goto exit_unregister;
+		return rc;
 	}
 
 	return 0;
-
-exit_unregister:
-	rtc_device_unregister(rtc);
-
-	return rc;
 }
 
 static int rv3029c2_remove(struct i2c_client *client)
 {
-	struct rtc_device *rtc = i2c_get_clientdata(client);
-
-	rtc_device_unregister(rtc);
-
 	return 0;
 }
 
-- 
1.7.2.5


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