linux-kernel - [PATCH 29/30] rtc: rtc-vt8500: use devm_rtc_device

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Date:	Wed, 06 Mar 2013 14:36:51 +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 29/30] rtc: rtc-vt8500: 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>
---
 drivers/rtc/rtc-vt8500.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index a000bc0..92fbb00 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -252,7 +252,7 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
 	writel(VT8500_RTC_CR_ENABLE,
 	       vt8500_rtc->regbase + VT8500_RTC_CR);
 
-	vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,
+	vt8500_rtc->rtc = devm_rtc_device_register("vt8500-rtc", &pdev->dev,
 					      &vt8500_rtc_ops, THIS_MODULE);
 	if (IS_ERR(vt8500_rtc->rtc)) {
 		ret = PTR_ERR(vt8500_rtc->rtc);
@@ -266,13 +266,11 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can't get irq %i, err %d\n",
 			vt8500_rtc->irq_alarm, ret);
-		goto err_unreg;
+		goto err_return;
 	}
 
 	return 0;
 
-err_unreg:
-	rtc_device_unregister(vt8500_rtc->rtc);
 err_return:
 	return ret;
 }
@@ -281,8 +279,6 @@ static int vt8500_rtc_remove(struct platform_device *pdev)
 {
 	struct vt8500_rtc *vt8500_rtc = platform_get_drvdata(pdev);
 
-	rtc_device_unregister(vt8500_rtc->rtc);
-
 	/* Disable alarm matching */
 	writel(0, vt8500_rtc->regbase + VT8500_RTC_IS);
 
-- 
1.7.2.5


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