linux-kernel - [PATCH 07/30] rtc: rtc-ds1553: use devm_rtc_device

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Date:	Wed, 06 Mar 2013 14:29:29 +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 07/30] rtc: rtc-ds1553: 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-ds1553.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 25ce062..387289b 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -326,15 +326,14 @@ static int ds1553_rtc_probe(struct platform_device *pdev)
 		}
 	}
 
-	rtc = rtc_device_register(pdev->name, &pdev->dev,
+	rtc = devm_rtc_device_register(pdev->name, &pdev->dev,
 				  &ds1553_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc))
 		return PTR_ERR(rtc);
 	pdata->rtc = rtc;
 
 	ret = sysfs_create_bin_file(&pdev->dev.kobj, &ds1553_nvram_attr);
-	if (ret)
-		rtc_device_unregister(rtc);
+
 	return ret;
 }
 
@@ -343,7 +342,6 @@ static int ds1553_rtc_remove(struct platform_device *pdev)
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
 	sysfs_remove_bin_file(&pdev->dev.kobj, &ds1553_nvram_attr);
-	rtc_device_unregister(pdata->rtc);
 	if (pdata->irq > 0)
 		writeb(0, pdata->ioaddr + RTC_INTERRUPTS);
 	return 0;
-- 
1.7.2.5


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