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

From: Alexandre Belloni
Date: Fri Jun 23 2017 - 18:11:23 EST


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 Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com