Re: [PATCH 18/24] timekeeping: Prepare for cross timestamps on arbitrary clock IDs

[David Woodhouse]

On Tue, 26 May 2026 19:14:57 +0200, Thomas Gleixner wrote:
> PTP device system crosstime stamps support only CLOCK_REALTIME, which is
> meaningless for AUX clocks. The PTP core hands in the clock ID already, so
> prepare the core code to honor it.
>
>  - Add a new sys_systime field to struct system_device_crosststamp which
>    aliases the sys_realtime field. Once all users are converted
>    sys_realtime can be removed.
>
>  - Prepare get_device_system_crosststamp() and the related code for it by
>    switching to sys_systime and providing the initial changes to utilize
>    different time keepers.
>
> No functional change intended.
>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxx>

I suspect I'll be back to frown at adjust_historical_crosststamp() at
some point, but that's a separate issue. For this change:

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
Tested-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

Attachment: smime.p7s
Description: S/MIME cryptographic signature