linux-kernel - [PATCH V2 15/30] rtc: rtc-max8997: use devm_rtc_device

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Date:	Wed, 06 Mar 2013 16:52:46 +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 V2 15/30] rtc: rtc-max8997: 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>
---
Changes since v1:
- used 'struct device *dev' as the first argument

 drivers/rtc/rtc-max8997.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c
index 00e505b..d12acc4 100644
--- a/drivers/rtc/rtc-max8997.c
+++ b/drivers/rtc/rtc-max8997.c
@@ -479,8 +479,8 @@ static int max8997_rtc_probe(struct platform_device *pdev)
 
 	device_init_wakeup(&pdev->dev, 1);
 
-	info->rtc_dev = rtc_device_register("max8997-rtc", &pdev->dev,
-			&max8997_rtc_ops, THIS_MODULE);
+	info->rtc_dev = devm_rtc_device_register(&pdev->dev, "max8997-rtc",
+					&max8997_rtc_ops, THIS_MODULE);
 
 	if (IS_ERR(info->rtc_dev)) {
 		ret = PTR_ERR(info->rtc_dev);
@@ -507,17 +507,11 @@ static int max8997_rtc_probe(struct platform_device *pdev)
 	return ret;
 
 err_out:
-	rtc_device_unregister(info->rtc_dev);
 	return ret;
 }
 
 static int max8997_rtc_remove(struct platform_device *pdev)
 {
-	struct max8997_rtc_info *info = platform_get_drvdata(pdev);
-
-	if (info)
-		rtc_device_unregister(info->rtc_dev);
-
 	return 0;
 }
 
-- 
1.7.2.5


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