linux-kernel - [PATCH V2 14/30] rtc: rtc-max8907: use devm_rtc_device

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Message-id: <008801ce1a3f$7f1641f0$7d42c5d0$%han@samsung.com>
Date:	Wed, 06 Mar 2013 16:52:05 +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 14/30] rtc: rtc-max8907: 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-max8907.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-max8907.c b/drivers/rtc/rtc-max8907.c
index 31ca8fa..9d62cdb 100644
--- a/drivers/rtc/rtc-max8907.c
+++ b/drivers/rtc/rtc-max8907.c
@@ -190,7 +190,7 @@ static int max8907_rtc_probe(struct platform_device *pdev)
 	rtc->max8907 = max8907;
 	rtc->regmap = max8907->regmap_rtc;
 
-	rtc->rtc_dev = rtc_device_register("max8907-rtc", &pdev->dev,
+	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, "max8907-rtc",
 					&max8907_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc->rtc_dev)) {
 		ret = PTR_ERR(rtc->rtc_dev);
@@ -217,16 +217,11 @@ static int max8907_rtc_probe(struct platform_device *pdev)
 	return 0;
 
 err_unregister:
-	rtc_device_unregister(rtc->rtc_dev);
 	return ret;
 }
 
 static int max8907_rtc_remove(struct platform_device *pdev)
 {
-	struct max8907_rtc *rtc = platform_get_drvdata(pdev);
-
-	rtc_device_unregister(rtc->rtc_dev);
-
 	return 0;
 }
 
-- 
1.7.2.5


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