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path: root/drivers/rtc/rtc-lib.c
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Diffstat (limited to 'drivers/rtc/rtc-lib.c')
-rw-r--r--drivers/rtc/rtc-lib.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index dd70bf73ce9..773851f338b 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -26,14 +26,13 @@ static const unsigned short rtc_ydays[2][13] = {
};
#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400)
-#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400))
/*
* The number of days in the month.
*/
int rtc_month_days(unsigned int month, unsigned int year)
{
- return rtc_days_in_month[month] + (LEAP_YEAR(year) && month == 1);
+ return rtc_days_in_month[month] + (is_leap_year(year) && month == 1);
}
EXPORT_SYMBOL(rtc_month_days);
@@ -42,7 +41,7 @@ EXPORT_SYMBOL(rtc_month_days);
*/
int rtc_year_days(unsigned int day, unsigned int month, unsigned int year)
{
- return rtc_ydays[LEAP_YEAR(year)][month] + day-1;
+ return rtc_ydays[is_leap_year(year)][month] + day-1;
}
EXPORT_SYMBOL(rtc_year_days);
@@ -66,7 +65,7 @@ void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
- LEAPS_THRU_END_OF(1970 - 1);
if (days < 0) {
year -= 1;
- days += 365 + LEAP_YEAR(year);
+ days += 365 + is_leap_year(year);
}
tm->tm_year = year - 1900;
tm->tm_yday = days + 1;