Re: [PATCH v2 2/2] rtc: add driver for RX6110SA real time clock

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 01/12/2015 at 20:49:19 +0100, Uwe Kleine-König wrote :
> > Seeing the comment comment above, this should probably be if
> > (tm->tm_year < 100 || tm->tm_year >= 200)
> > I don't think this particular part has any issue
> > handling 2038. However, on 32bit platform, your userspace is probably
> > not ready to handle those date. hwclock should return the correct date.
> 
> userspace is not ready because it cannot. Before this can be addressed,
> quite some things need fixing first. If I understood correctly timerfd
> for example is broken which completely locks up systemd.
> 
> Note this doesn't justify to not write a date later than 2037 in the rtc
> driver however. Still thinking about how to handle this for the machines
> we work on, we thought about letting the RTC_RD_TIME ioctl fail for
> dates later than 2038 to work around this issue.
> 

Yeah but the rtc doesn't have any issue handling dates after 2038 so if
it is used on a 64bit system, it can work properly until february 2100.

Also, I'm not sure how that solves your problem anyway.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux