linux-kernel - [PATCH V2 25/30] rtc: rtc-tps6586x: use devm_rtc_device

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Message-id: <009301ce1a40$0566b7d0$10342770$%han@samsung.com>
Date:	Wed, 06 Mar 2013 16:55:50 +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 25/30] rtc: rtc-tps6586x: 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-tps6586x.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c
index aab4e8c..b6aab9f 100644
--- a/drivers/rtc/rtc-tps6586x.c
+++ b/drivers/rtc/rtc-tps6586x.c
@@ -274,7 +274,7 @@ static int tps6586x_rtc_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, rtc);
-	rtc->rtc = rtc_device_register(dev_name(&pdev->dev), &pdev->dev,
+	rtc->rtc = devm_rtc_device_register(&pdev->dev, dev_name(&pdev->dev),
 				       &tps6586x_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc->rtc)) {
 		ret = PTR_ERR(rtc->rtc);
@@ -306,12 +306,10 @@ fail_rtc_register:
 
 static int tps6586x_rtc_remove(struct platform_device *pdev)
 {
-	struct tps6586x_rtc *rtc = platform_get_drvdata(pdev);
 	struct device *tps_dev = to_tps6586x_dev(&pdev->dev);
 
 	tps6586x_update(tps_dev, RTC_CTRL, 0,
 		RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK);
-	rtc_device_unregister(rtc->rtc);
 	return 0;
 }
 
-- 
1.7.2.5


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