[PATCH v3 11/17] arm64: dts: mediatek: Add EL2 virtual timer interrupt

[Tim Pambor]

+cc linux-mediatek

On Wed, Oct 28, 2026 at 9:30 AM Marc Zyngier <maz at kernel.org> wrote:
>
> On Wed, 28 Oct 2026 08:17:16 +0000,
> Tim Pambor <timpambor at gmail.com> wrote:
> >
> > On Sat, 23 May 2026 15:02:36 +0100, Marc Zyngier wrote:
> > > The ARMv8.1+ based CPUs used in a number of Mediatek SoCs are missing
> > > the EL2 virtual timer interrupt. Add it.
> >
> > This patch doesn't seem to have been applied along with the rest of
> > the series.
>
> That's the SoC maintainers' responsibility. I only look after the
> driver code, and rely on people spotting the warning! ;-) The fact
> that this has been there for two kernel releases show you how deeply
> these maintainers care.
>
> > After updating to v7.2.11 on an MT8195 board I see:
> >
> >   arch_timer: [Firmware Bug]: VHE-capable CPU without EL2 virtual timer interrupt
> >
> > With this patch applied, the warning is gone and the EL2 virtual timer
> > is used as expected:
> >
> >   arch_timer: cp15 timer running at 13.00MHz (hyp-virt).
> >
> > Reviewed-by: Tim Pambor <timpambor at gmail.com>
> > Tested-by: Tim Pambor <timpambor at gmail.com>
>
> Thanks!
>
>         M.
>
> --
> Without deviation from the norm, progress is not possible.