linux-kernel - [PATCH V2 27/30] rtc: rtc-tps80031: use devm_rtc_device

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Date:	Wed, 06 Mar 2013 16:56:32 +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 27/30] rtc: rtc-tps80031: 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-tps80031.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-tps80031.c b/drivers/rtc/rtc-tps80031.c
index 9aaf8aa..dc62d5f 100644
--- a/drivers/rtc/rtc-tps80031.c
+++ b/drivers/rtc/rtc-tps80031.c
@@ -277,7 +277,7 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+	rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
 			       &tps80031_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc->rtc)) {
 		ret = PTR_ERR(rtc->rtc);
@@ -292,7 +292,6 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
 	if (ret < 0) {
 		dev_err(&pdev->dev, "request IRQ:%d failed, err = %d\n",
 			 rtc->irq, ret);
-		rtc_device_unregister(rtc->rtc);
 		return ret;
 	}
 	device_set_wakeup_capable(&pdev->dev, 1);
@@ -301,9 +300,6 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
 
 static int tps80031_rtc_remove(struct platform_device *pdev)
 {
-	struct tps80031_rtc *rtc = platform_get_drvdata(pdev);
-
-	rtc_device_unregister(rtc->rtc);
 	return 0;
 }
 
-- 
1.7.2.5


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