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Re: [PATCH v2 0/3] rtc: make st-lpc robust against y2038/2106 bug

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  Re: [PATCH v2 0/3] rtc: make st-lpc robust against y2038/2106 bug Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-07-04 14:00 +0200

#1680893 — Re: [PATCH v2 0/3] rtc: make st-lpc robust against y2038/2106 bug

2017-06-24 0:34 GMT+02:00 Shuah Khan <shuah@kernel.org>:
> Hi Alexandre,
>
> On 06/23/2017 04:09 PM, Alexandre Belloni wrote:
>> On 23/06/2017 at 13:40:41 -0600, Shuah Khan wrote:
>>> On 06/19/2017 03:36 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 one RTC test file 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.
>>>>
>>>> On this version 2 I add check of problematics years in rtctest like suggest
>>>> by Alexandre.
>>>>
>>>> Finally that had allowed me to test and fix rtc-st-lpc driver.
>>>>
>>>> Benjamin Gaignard (3):
>>>>   tools: timer: add rtctest_setdate
>>>>   tool: timer: rtctest add check for problematic dates
>>>>   rtc: st-lpc: make it robust against y2038/2106 bug
>>>>
>>>>  drivers/rtc/rtc-st-lpc.c                         |  19 ++--
>>>>  tools/testing/selftests/timers/Makefile          |   2 +-
>>>>  tools/testing/selftests/timers/rtctest.c         | 121 ++++++++++++++++++++++-
>>>>  tools/testing/selftests/timers/rtctest_setdate.c |  86 ++++++++++++++++
>>>>  4 files changed, 212 insertions(+), 16 deletions(-)
>>>>  create mode 100644 tools/testing/selftests/timers/rtctest_setdate.c
>>>>
>>>
>>> Hi Thomas/John,
>>>
>>> I can take the first two patches in this series through linux-kselftest
>>> with your or John's Ack. Please review and let me know one way or the
>>> other.
>>>>
>> Well, I'm the maintainer for rtctest.c and I'll make sure to also be the
>> one for rtctest_setdate.c>
>>> The third one is a rtc driver patch. Please let me know how do you want
>>> to handle this series soon we can get this into 4.13-rc1.
>>>
>>
>> I'll take the three patches but I still have comment I didn't have time
>> to give yet.

Alexandre, may you had time to give me feedback on this ?

Regards,
Benjamin

>>
>>
>
> Okay. I will drop this off my radar then :)
>
> thanks,
> -- Shuah
>

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