rtc: davinci: remove useless error handling

convertfromdays and convert2days never return errors, stop handling non
existent errors.

Link: https://lore.kernel.org/r/20200305215022.32533-4-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2020-03-05 22:50:22 +01:00
parent b6d8f58920
commit 6a5bbad586

View File

@ -227,7 +227,7 @@ davinci_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
return ret;
}
static int convertfromdays(u16 days, struct rtc_time *tm)
static void convertfromdays(u16 days, struct rtc_time *tm)
{
int tmp_days, year, mon;
@ -250,10 +250,9 @@ static int convertfromdays(u16 days, struct rtc_time *tm)
break;
}
}
return 0;
}
static int convert2days(u16 *days, struct rtc_time *tm)
static void convert2days(u16 *days, struct rtc_time *tm)
{
int i;
*days = 0;
@ -262,8 +261,6 @@ static int convert2days(u16 *days, struct rtc_time *tm)
*days += rtc_year_days(1, 12, i);
*days += rtc_year_days(tm->tm_mday, tm->tm_mon, 1900 + tm->tm_year);
return 0;
}
static int davinci_rtc_read_time(struct device *dev, struct rtc_time *tm)
@ -296,8 +293,7 @@ static int davinci_rtc_read_time(struct device *dev, struct rtc_time *tm)
days <<= 8;
days |= day0;
if (convertfromdays(days, tm) < 0)
return -EINVAL;
convertfromdays(days, tm);
return 0;
}
@ -391,8 +387,7 @@ static int davinci_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
days <<= 8;
days |= day0;
if (convertfromdays(days, &alm->time) < 0)
return -EINVAL;
convertfromdays(days, &alm->time);
alm->pending = !!(rtcss_read(davinci_rtc,
PRTCSS_RTC_CCTRL) &