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rtc: nuc900: stop validating rtc_time in .read_time 

The RTC core is always calling rtc_valid_tm after the read_time callback.
It is not necessary to call it before returning from the callback.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-02-21 11:27:10 +01:00
parent bb54be134a
commit b6cb398444
1 changed files with 8 additions and 6 deletions
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14
drivers/rtc/rtc-nuc900.c
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@ -102,8 +102,8 @@ static int *check_rtc_access_enable(struct nuc900_rtc *nuc900_rtc)
return NULL;
}
static int nuc900_rtc_bcd2bin(unsigned int timereg,
unsigned int calreg, struct rtc_time *tm)
static void nuc900_rtc_bcd2bin(unsigned int timereg,
unsigned int calreg, struct rtc_time *tm)
{
tm->tm_mday = bcd2bin(calreg >> 0);
tm->tm_mon = bcd2bin(calreg >> 8);
@ -112,8 +112,6 @@ static int nuc900_rtc_bcd2bin(unsigned int timereg,
tm->tm_sec = bcd2bin(timereg >> 0);
tm->tm_min = bcd2bin(timereg >> 8);
tm->tm_hour = bcd2bin(timereg >> 16);
return rtc_valid_tm(tm);
}
static void nuc900_rtc_bin2bcd(struct device *dev, struct rtc_time *settm,
@ -156,7 +154,9 @@ static int nuc900_rtc_read_time(struct device *dev, struct rtc_time *tm)
timeval = __raw_readl(rtc->rtc_reg + REG_RTC_TLR);
clrval = __raw_readl(rtc->rtc_reg + REG_RTC_CLR);
return nuc900_rtc_bcd2bin(timeval, clrval, tm);
nuc900_rtc_bcd2bin(timeval, clrval, tm);
return 0;
}
static int nuc900_rtc_set_time(struct device *dev, struct rtc_time *tm)
@ -189,7 +189,9 @@ static int nuc900_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
timeval = __raw_readl(rtc->rtc_reg + REG_RTC_TAR);
carval = __raw_readl(rtc->rtc_reg + REG_RTC_CAR);
return nuc900_rtc_bcd2bin(timeval, carval, &alrm->time);
nuc900_rtc_bcd2bin(timeval, carval, &alrm->time);
return rtc_valid_tm(&alrm->time);
}
static int nuc900_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)