On 11/07/2018 14:47:12+0200, Arnd Bergmann wrote:
> getnstimeofday64() is just a wrapper around the ktime accessor, so
> we should use that directly.
>
> I considered using ktime_get_boottime_ts64() (to avoid leap second
> problems) or ktime_get_real_seconds() (to simplify the calculation,
> but in the end concluded that the existing interface is probably
> the most appropriate in this case.
>
> Signed-off-by: Arnd Bergmann <[email protected]>
> ---
> Originally sent on Jun 18, but got no reply
>
> Alexandre, could you pick this up into the rtc tree?
Yes, I've been late in my reviews lately. It is applied now.
I had some trouble figuring out that ktime_get_real_ts64 was not a macro
anymore as I was still looking at 4.17 ;)
> ---
> drivers/rtc/class.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
> index d37588f08055..7fa32c922617 100644
> --- a/drivers/rtc/class.c
> +++ b/drivers/rtc/class.c
> @@ -68,7 +68,7 @@ static int rtc_suspend(struct device *dev)
> return 0;
> }
>
> - getnstimeofday64(&old_system);
> + ktime_get_real_ts64(&old_system);
> old_rtc.tv_sec = rtc_tm_to_time64(&tm);
>
>
> @@ -110,7 +110,7 @@ static int rtc_resume(struct device *dev)
> return 0;
>
> /* snapshot the current rtc and system time at resume */
> - getnstimeofday64(&new_system);
> + ktime_get_real_ts64(&new_system);
> err = rtc_read_time(rtc, &tm);
> if (err < 0) {
> pr_debug("%s: fail to read rtc time\n", dev_name(&rtc->dev));
> --
> 2.9.0
>
--
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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