Re: [PATCH v3] clocksource/drivers/arm_arch_timer: Fix handling of ARM erratum 858921

[Daniel Lezcano]

On 14/09/2022 12:18, Oliver Upton wrote:
> On Wed, Sep 14, 2022 at 02:14:24PM +0800, Kunkun Jiang wrote:
> > The commit a38b71b0833e ("clocksource/drivers/arm_arch_timer:
> > Move system register timer programming over to CVAL") moves the
> > programming of the timers from the countdown timer (TVAL) over
> > to the comparator (CVAL). This makes it necessary to read the
> > counter when programming next event. However, the workaround of
> > Cortex-A73 erratum 858921 does not set the corresponding
> > set_next_event_phys and set_next_event_virt.
> >
> > Add the appropriate hooks to apply the erratum mitigation when
> > programming the next timer event.
> >
> > Fixes: a38b71b0833e ("clocksource/drivers/arm_arch_timer: Move system register timer programming over to CVAL")
> > Signed-off-by: Kunkun Jiang <jiangkunkun@xxxxxxxxxx>
> > Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
>
> Reviewed-by: Oliver Upton <oliver.upton@xxxxxxxxx>

Applied, thanks


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