diff options
| author | Simon Glass | 2015-04-20 12:37:17 -0600 |
|---|---|---|
| committer | Simon Glass | 2015-05-05 20:58:20 -0600 |
| commit | 199e87c340bdd69a89e22f12e1201d67767e91a8 (patch) | |
| tree | f7e7935465d4937cf550f49fde8d259d179b574c /include/rtc.h | |
| parent | c3ec646dde0428b96a67afd8c4c7b7db9dd4ca46 (diff) | |
dm: rtc: Rename gregorian day function
Change this function name to something more descriptive. Also return a
failure code if it cannot calculate a correct value.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'include/rtc.h')
| -rw-r--r-- | include/rtc.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/rtc.h b/include/rtc.h index 54e361ea5e8..96c696ad65b 100644 --- a/include/rtc.h +++ b/include/rtc.h @@ -45,7 +45,6 @@ int rtc_get (struct rtc_time *); int rtc_set (struct rtc_time *); void rtc_reset (void); -void GregorianDay (struct rtc_time *); void to_tm (int, struct rtc_time *); unsigned long mktime (unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); @@ -87,4 +86,15 @@ void rtc_write32(int reg, u32 value); */ void rtc_init(void); +/** + * rtc_calc_weekday() - Work out the weekday from a time + * + * This only works for the Gregorian calendar - i.e. after 1752 (in the UK). + * It sets time->tm_wdaay to the correct day of the week. + * + * @time: Time to inspect. tm_wday is updated + * @return 0 if OK, -EINVAL if the weekday could not be determined + */ +int rtc_calc_weekday(struct rtc_time *time); + #endif /* _RTC_H_ */ |