rtc: rtc-ds1302: use devm_rtc_device_register()

devm_rtc_device_register() is device managed and makes cleanup paths
simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index 7d4c2b44d603d1bf480268a86c17f1fdaeacb1f6..d139543462863dc1f598b5486ac4760bd72c0b6d 100644 (file)
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -224,7 +224,7 @@ static int __init ds1302_rtc_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       rtc = rtc_device_register("ds1302", &pdev->dev,
+       rtc = devm_rtc_device_register(&pdev->dev, "ds1302",
                                           &ds1302_rtc_ops, THIS_MODULE);
        if (IS_ERR(rtc))
                return PTR_ERR(rtc);
@@ -236,9 +236,6 @@ static int __init ds1302_rtc_probe(struct platform_device *pdev)
 
 static int __exit ds1302_rtc_remove(struct platform_device *pdev)
 {
-       struct rtc_device *rtc = platform_get_drvdata(pdev);
-
-       rtc_device_unregister(rtc);
        platform_set_drvdata(pdev, NULL);
 
        return 0;