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Subject[PATCH 1/3] RTC/nuc900: make returning time checking function valid
This patch is to make returning time checking function valid.
In spite of using the 'rtc_valid_tm', nevertheless, the read time function
omits its returning value, that means the 'rtc_valid_tm' is useless here.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>

---
drivers/rtc/rtc-nuc900.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index 20bc70b..84336d1 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -102,7 +102,7 @@ static int *check_rtc_access_enable(struct nuc900_rtc *nuc900_rtc)
return 0;
}

-static void nuc900_rtc_bcd2bin(unsigned int timereg,
+static int nuc900_rtc_bcd2bin(unsigned int timereg,
unsigned int calreg, struct rtc_time *tm)
{
tm->tm_mday = bcd2bin(calreg >> 0);
@@ -113,7 +113,7 @@ static void nuc900_rtc_bcd2bin(unsigned int timereg,
tm->tm_min = bcd2bin(timereg >> 8);
tm->tm_hour = bcd2bin(timereg >> 16);

- rtc_valid_tm(tm);
+ return rtc_valid_tm(tm);
}

static void nuc900_rtc_bin2bcd(struct device *dev, struct rtc_time *settm,
@@ -170,9 +170,7 @@ 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);

- nuc900_rtc_bcd2bin(timeval, clrval, tm);
-
- return 0;
+ return nuc900_rtc_bcd2bin(timeval, clrval, tm);
}

static int nuc900_rtc_set_time(struct device *dev, struct rtc_time *tm)
@@ -205,9 +203,7 @@ 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);

- nuc900_rtc_bcd2bin(timeval, carval, &alrm->time);
-
- return 0;
+ return nuc900_rtc_bcd2bin(timeval, carval, &alrm->time);
}

static int nuc900_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
--
1.6.3.3

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