On Mon, Apr 01, 2019 at 03:39:43PM +0200, Geert Uytterhoeven wrote: > Hi Wolfram, > > On Mon, Apr 1, 2019 at 3:21 PM Wolfram Sang wrote: > > > I was just wondering whether they work for Wolfram, who has a similar > > > but different board than I have. Last time I tried, they didn't work for me. > > > > How did you test? > > tools/testing/selftests/rtc/rtctest.c cfr. > https://lore.kernel.org/lkml/CAMuHMdWbV2=LfSWz0rFTGRakZ=2iXKOYdM_Uwaov8-OsJpUgoA@mail.gmail.com/ Hmm, with vanilla v5.1-rc3, I don't even get that far: [==========] Running 7 tests from 2 test cases. [ RUN ] rtc.date_read rtctest.c:49:rtc.date_read:Current RTC date/time is 01/01/2000 04:06:40. [ OK ] rtc.date_read [ RUN ] rtc.uie_read And here it blocks forever. Any pointers?