rtc: rtc-ls1x: 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-ls1x.c b/drivers/rtc/rtc-ls1x.c
index f59b634..db82f91 100644 (file)
--- a/drivers/rtc/rtc-ls1x.c
+++ b/drivers/rtc/rtc-ls1x.c
@@ -172,7 +172,7 @@ static int ls1x_rtc_probe(struct platform_device *pdev)
        while (readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS)
                usleep_range(1000, 3000);
 
-       rtcdev = rtc_device_register("ls1x-rtc", &pdev->dev,
+       rtcdev = devm_rtc_device_register(&pdev->dev, "ls1x-rtc",
                                        &ls1x_rtc_ops , THIS_MODULE);
        if (IS_ERR(rtcdev)) {
                ret = PTR_ERR(rtcdev);
@@ -187,9 +187,6 @@ err:
 
 static int ls1x_rtc_remove(struct platform_device *pdev)
 {
-       struct rtc_device *rtcdev = platform_get_drvdata(pdev);
-
-       rtc_device_unregister(rtcdev);
        platform_set_drvdata(pdev, NULL);
 
        return 0;