rtc: rtc-tps80031: 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>

diff --git a/drivers/rtc/rtc-tps80031.c b/drivers/rtc/rtc-tps80031.c
index 9aaf8aaebae9db9494c98dc9afafec8b962cfc0e..dc62d5fa2a2955d7fde21b0c189ab949b581f09e 100644 (file)
--- a/drivers/rtc/rtc-tps80031.c
+++ b/drivers/rtc/rtc-tps80031.c
@@ -277,7 +277,7 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
                return ret;
        }
 
-       rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+       rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
                               &tps80031_rtc_ops, THIS_MODULE);
        if (IS_ERR(rtc->rtc)) {
                ret = PTR_ERR(rtc->rtc);
@@ -292,7 +292,6 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
        if (ret < 0) {
                dev_err(&pdev->dev, "request IRQ:%d failed, err = %d\n",
                         rtc->irq, ret);
-               rtc_device_unregister(rtc->rtc);
                return ret;
        }
        device_set_wakeup_capable(&pdev->dev, 1);
@@ -301,9 +300,6 @@ static int tps80031_rtc_probe(struct platform_device *pdev)
 
 static int tps80031_rtc_remove(struct platform_device *pdev)
 {
-       struct tps80031_rtc *rtc = platform_get_drvdata(pdev);
-
-       rtc_device_unregister(rtc->rtc);
        return 0;
 }