rtc: rtc-ab3100: 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>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
index c2f12d370009..47a4f2c4d30e 100644
--- a/drivers/rtc/rtc-ab3100.c
+++ b/drivers/rtc/rtc-ab3100.c
@@ -229,8 +229,8 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev)
                 /* Ignore any error on this write */
         }
 
-        rtc = rtc_device_register("ab3100-rtc", &pdev->dev, &ab3100_rtc_ops,
-                                  THIS_MODULE);
+        rtc = devm_rtc_device_register(&pdev->dev, "ab3100-rtc",
+                                        &ab3100_rtc_ops, THIS_MODULE);
         if (IS_ERR(rtc)) {
                 err = PTR_ERR(rtc);
                 return err;
@@ -242,9 +242,6 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev)
 
 static int __exit ab3100_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;
 }