Messages in this thread | | | Date | Tue, 20 Sep 2022 10:33:51 +0200 | Subject | Re: [PATCH v3] clocksource/drivers/arm_arch_timer: Fix handling of ARM erratum 858921 | From | Daniel Lezcano <> |
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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@huawei.com> >> Acked-by: Marc Zyngier <maz@kernel.org> > > Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Applied, thanks
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