On Thu, 24 Oct 2019 01:17:17 +0200 Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> wrote: [...] > > > Is the RTC 1900-2099 or 2000-2199? Please include the ouput of rtc-range > > > in the commit log: > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/rtc-tools.git/tree/rtc-range.c > > > > > # ./rtc-range > > > > Testing 2000-02-28 23:59:59. > > OK > > > > Testing 2038-01-19 03:14:07. > > OK > > > > Testing 2069-12-31 23:59:59. > > OK > > > > Testing 2099-12-31 23:59:59. > > KO RTC_RD_TIME returned 22 (line 138) > > > > Testing 2100-02-28 23:59:59. > > KO RTC_RD_TIME returned 22 (line 138) > > > > Testing 2106-02-07 06:28:15. > > OK > > > > Testing 2262-04-11 23:47:16. > > KO Read back 2102-04-11 23:47:16. > > > > I think it is 1900 to 2099. > > > > It is, I'm very curious to know why it doesn't roll over properly from > 2099-12-31 23:59:59 to 1900-01-01 00:00:00. > It rolls over correcly, but rtc_valid_tm() bails out if year < 70. I am preparing a v2 of this series. Regards, Andreas
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