rtc: rtc-mv: 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-mv.c b/drivers/rtc/rtc-mv.c
index f378e17..baab802 100644 (file)
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -272,12 +272,13 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
 
        if (pdata->irq >= 0) {
                device_init_wakeup(&pdev->dev, 1);
-               pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,
+               pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
                                                 &mv_rtc_alarm_ops,
                                                 THIS_MODULE);
-       } else
-               pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,
+       } else {
+               pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
                                                 &mv_rtc_ops, THIS_MODULE);
+       }
        if (IS_ERR(pdata->rtc)) {
                ret = PTR_ERR(pdata->rtc);
                goto out;
@@ -308,7 +309,6 @@ static int __exit mv_rtc_remove(struct platform_device *pdev)
        if (pdata->irq >= 0)
                device_init_wakeup(&pdev->dev, 0);
 
-       rtc_device_unregister(pdata->rtc);
        if (!IS_ERR(pdata->clk))
                clk_disable_unprepare(pdata->clk);