Re: wlcore: use boottime for fw time sync
From: Kalle Valo
Date: Thu Dec 07 2017 - 08:20:54 EST
Arnd Bergmann <arnd@xxxxxxxx> wrote:
> Using getnstimeofday()/timespec_to_ns() causes an overflow on 32-bit
> architectures in 2038, and may suffer from time jumps due to
> settimeofday() or leap seconds.
>
> I don't see a reason why this needs to be UTC, so either monotonic
> or boot time would be better here. Assuming that the fw time keeps
> running during suspend, boottime is better than monotonic, and
> ktime_get_boot_ns() will also save the additional conversion to
> nanoseconds.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
99f6996d4cba wlcore: use boottime for fw time sync
--
https://patchwork.kernel.org/patch/10076691/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches