diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-07-08 00:39:11 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-07-20 00:03:36 +0300 |
| commit | 992c1db45591b891935a6da5c3f14d8af5def05b (patch) | |
| tree | 17a27182e132e737035202d4514905d6255a1ffe /include/rtc.h | |
| parent | 0938cff73727f562cd49c55e1d47d09bbffd4915 (diff) | |
| download | u-boot-992c1db45591b891935a6da5c3f14d8af5def05b.tar.xz | |
drivers: rtc: resolve year 2038 problem in rtc_to_tm
Our implementation of rtc_to_tm() cannot handle dates of more than
0x7fffffff seconds after 1970-01-01.
Adopt the Linux kernel implementation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'include/rtc.h')
| -rw-r--r-- | include/rtc.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/rtc.h b/include/rtc.h index 746624d799..0d964d56d5 100644 --- a/include/rtc.h +++ b/include/rtc.h @@ -208,7 +208,18 @@ void rtc_write32(int reg, u32 value); * rtc_init() - Set up the real time clock ready for use */ void rtc_init(void); -#endif +#endif /* CONFIG_DM_RTC */ + +/** + * is_leap_year - Check if year is a leap year + * + * @year Year + * @return 1 if leap year + */ +static inline bool is_leap_year(unsigned int year) +{ + return (!(year % 4) && (year % 100)) || !(year % 400); +} /** * rtc_calc_weekday() - Work out the weekday from a time @@ -231,9 +242,8 @@ int rtc_calc_weekday(struct rtc_time *time); * * @time_t: Number of seconds since 1970-01-01 00:00:00 * @time: Place to put the broken-out time - * @return 0 if OK, -EINVAL if the weekday could not be determined */ -int rtc_to_tm(int time_t, struct rtc_time *time); +void rtc_to_tm(u64 time_t, struct rtc_time *time); /** * rtc_mktime() - Convert a broken-out time into a time_t value |