[PATCH] arm64: arch_timer: Fix the lack of set_next_event* for workaround of Cortex-A73 erratum 858921

[Oliver Upton]

On Tue, Sep 13, 2022 at 06:47:23PM +0800, Kunkun Jiang wrote:
> The patch a38b71b0833e moves the programming of the timers from

Please check your patch with scripts/checkpatch.pl next time.
Use this pattern when referring to a commit in the changelog:

commit a38b71b0833e ("clocksource/drivers/arm_arch_timer: Move
system register timer programming over to CVAL") moved the
programming...

> the countdown timer (TVAL) over to the comparator (CVAL). This
> makes it necessary to read the counter when setting next event.
> However, the workaround of Cortex-A73 erratum 858921 does not
> set the corresponding set_next_event_phys and set_next_event_virt.
> This patch fixes it.

Avoid referring to 'this patch', and just state imperatively what the
change does, perhaps:

Add the appropriate hooks to apply the erratum mitigation when
programming the next timer event.

Thanks for catching this!

--
Best,
Oliver