Re: [PATCH 0/3] rtc: make st-lpc robust against y2038/2106 bug
From: Shuah Khan
Date: Fri Jun 16 2017 - 11:19:14 EST
On 06/16/2017 08:03 AM, Benjamin Gaignard wrote:
> On 32bits platforms "struct timeval" or "time_t" are using u32 to code the
> date, this cause tools like "date" or "hwclock" failed even before setting
> the RTC device if the date is superior to year 2038 (or 2106).
> To avoid this problem I add two RTC tests files which directly use RTC ioctl
> to set and read RTC time and alarm values.
> rtctest_setdate allow to set any date/time given in the command line.
> rtctest-2038 perform a basic test by writing 1-1-2200 in RTC time and alarm
> and checking that the read back values are correct.
> Finally that had allowed me to test and fix rtc-st-lpc driver.
> Benjamin Gaignard (3):
> tools: timer: add rtctest_setdate
> tools: timer: add test to check y2038/2106 bug
> rtc: st-lpc: make it robust against y2038/2106 bug
> drivers/rtc/rtc-st-lpc.c | 19 ++--
> tools/testing/selftests/timers/Makefile | 4 +-
> tools/testing/selftests/timers/rtctest-2038.c | 135 +++++++++++++++++++++++
> tools/testing/selftests/timers/rtctest_setdate.c | 86 +++++++++++++++
> 4 files changed, 232 insertions(+), 12 deletions(-)
> create mode 100644 tools/testing/selftests/timers/rtctest-2038.c
> create mode 100644 tools/testing/selftests/timers/rtctest_setdate.c
Please review them and let me know. Looks to me these will make good
additions to 4.13-rc1 kselftest content.