drivers/rtc/rtc-ds1742.c: report to RTC core if retrieved time is invalid

Let RTC core decide if the retrieved time is invalid, instead of
processing errors in the driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Cc: 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-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 139934f..17b73fd 100644 (file)
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -115,11 +115,7 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm)
        /* year is 1900 + tm->tm_year */
        tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
 
-       if (rtc_valid_tm(tm) < 0) {
-               dev_err(dev, "retrieved date/time is not valid.\n");
-               rtc_time_to_tm(0, tm);
-       }
-       return 0;
+       return rtc_valid_tm(tm);
 }
 
 static const struct rtc_class_ops ds1742_rtc_ops = {