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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-02-21 11:27:10 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2018-03-02 10:12:17 +0100
commitb6cb398444bd64d28f7f25516148842913ef6594 (patch)
tree54296748e2da0dd53048c64e8ae71c00525db25e /drivers/rtc/rtc-nuc900.c
parentbb54be134a363f57d698b0c2887df36e468f3077 (diff)
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>
Diffstat (limited to 'drivers/rtc/rtc-nuc900.c')
-rw-r--r--drivers/rtc/rtc-nuc900.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index 4ed81117cf5f..7da664a77181 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -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)