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authorWan ZongShun <mcuos.com@gmail.com>2010-08-11 05:02:18 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 19:59:08 +0400
commit84f20a6928bb2b8e5f7ab50686bdf1566479363a (patch)
tree13c28223b8d9b4b314139265edfeca8e0714b467 /drivers/rtc/rtc-nuc900.c
parent52142ed416f85dcc3e2061e720511a1e69ac3d93 (diff)
downloadlinux-84f20a6928bb2b8e5f7ab50686bdf1566479363a.tar.xz
rtc/nuc900: make returning time checking function valid
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> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-nuc900.c')
-rw-r--r--drivers/rtc/rtc-nuc900.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index 20bc70b472fb..84336d170a38 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)