linux-kernel - [PATCH 06/30] rtc: rtc-ds1511: use devm_rtc_device

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Message-id: <004801ce1a2b$85e4e6d0$91aeb470$%han@samsung.com>
Date:	Wed, 06 Mar 2013 14:29:07 +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 06/30] rtc: rtc-ds1511: 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-ds1511.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 6a3fcfe..e7f16f9 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -538,15 +538,14 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
 		}
 	}
 
-	rtc = rtc_device_register(pdev->name, &pdev->dev, &ds1511_rtc_ops,
-		THIS_MODULE);
+	rtc = devm_rtc_device_register(pdev->name, &pdev->dev, &ds1511_rtc_ops,
+					THIS_MODULE);
 	if (IS_ERR(rtc))
 		return PTR_ERR(rtc);
 	pdata->rtc = rtc;
 
 	ret = sysfs_create_bin_file(&pdev->dev.kobj, &ds1511_nvram_attr);
-	if (ret)
-		rtc_device_unregister(pdata->rtc);
+
 	return ret;
 }
 
@@ -555,7 +554,6 @@ static int ds1511_rtc_remove(struct platform_device *pdev)
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
 	sysfs_remove_bin_file(&pdev->dev.kobj, &ds1511_nvram_attr);
-	rtc_device_unregister(pdata->rtc);
 	if (pdata->irq > 0) {
 		/*
 		 * disable the alarm interrupt
-- 
1.7.2.5


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