[if your patch is applied to the wrong git tree, please drop us a note to help improving the system] Hi Sasha,
[auto build test ERROR on abelloni/rtc-next] [also build test ERROR on v4.4-rc3 next-20151202] url: https://github.com/0day-ci/linux/commits/Sasha-Levin/rtc-fix-overflow-and-incorrect-calculation-in-rtc_time64_to_tm/20151204-081508 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next config: arm-prima2_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): drivers/built-in.o: In function `rtc_time64_to_tm': >> drivers/rtc/rtc-lib.c:64: undefined reference to `__aeabi_ldivmod' drivers/rtc/rtc-lib.c:66: undefined reference to `__aeabi_ldivmod' vim +64 drivers/rtc/rtc-lib.c c58411e9 Alessandro Zummo 2006-03-27 58 c2c11ae4 pang.xunlei 2014-11-18 59 /* time must be positive */ c2c11ae4 pang.xunlei 2014-11-18 60 days = div_s64(time, 86400); ee9fd0e8 Sasha Levin 2015-12-03 61 secs = time - days * 86400; c58411e9 Alessandro Zummo 2006-03-27 62 c58411e9 Alessandro Zummo 2006-03-27 63 /* day of the week, 1970-01-01 was a Thursday */ c58411e9 Alessandro Zummo 2006-03-27 @64 tm->tm_wday = (days + 4) % 7; c58411e9 Alessandro Zummo 2006-03-27 65 c58411e9 Alessandro Zummo 2006-03-27 66 year = 1970 + days / 365; c58411e9 Alessandro Zummo 2006-03-27 67 days -= (year - 1970) * 365 :::::: The code at line 64 was first introduced by commit :::::: c58411e95d7f5062dedd1a3064af4d359da1e633 [PATCH] RTC Subsystem: library functions :::::: TO: Alessandro Zummo <a.zu...@towertech.it> :::::: CC: Linus Torvalds <torva...@g5.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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