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rtc: ds1553: let the core handle invalid time 

Returning a valid time when the time is invalid is a bad practice, because
then userspace is not able to react on the information. Also, it doesn't
make sense to return epoch because it is already the default time.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-02-20 23:43:09 +01:00
parent 1c90d9f1c8
commit 7d1bd37ff0
1 changed files with 0 additions and 4 deletions
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4
drivers/rtc/rtc-ds1553.c
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@ -127,10 +127,6 @@ static int ds1553_rtc_read_time(struct device *dev, struct rtc_time *tm)
/* year is 1900 + tm->tm_year */ /* year is 1900 + tm->tm_year */
tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900; 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 0;
} }