linux-kernel - [PATCH V2 18/30] rtc: rtc-palmas: use devm_rtc_device

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Message-id: <008c01ce1a3f$b76c8f50$2645adf0$%han@samsung.com>
Date:	Wed, 06 Mar 2013 16:53:40 +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 18/30] rtc: rtc-palmas: 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-palmas.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-palmas.c b/drivers/rtc/rtc-palmas.c
index df9359c..bbc3b9ef 100644
--- a/drivers/rtc/rtc-palmas.c
+++ b/drivers/rtc/rtc-palmas.c
@@ -264,7 +264,7 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 
 	palmas_rtc->irq = platform_get_irq(pdev, 0);
 
-	palmas_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+	palmas_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
 				&palmas_rtc_ops, THIS_MODULE);
 	if (IS_ERR(palmas_rtc->rtc)) {
 		ret = PTR_ERR(palmas_rtc->rtc);
@@ -279,7 +279,6 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 			dev_name(&pdev->dev), palmas_rtc);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "IRQ request failed, err = %d\n", ret);
-		rtc_device_unregister(palmas_rtc->rtc);
 		return ret;
 	}
 
@@ -289,10 +288,7 @@ static int palmas_rtc_probe(struct platform_device *pdev)
 
 static int palmas_rtc_remove(struct platform_device *pdev)
 {
-	struct palmas_rtc *palmas_rtc = platform_get_drvdata(pdev);
-
 	palmas_rtc_alarm_irq_enable(&pdev->dev, 0);
-	rtc_device_unregister(palmas_rtc->rtc);
 	return 0;
 }
 
-- 
1.7.2.5


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