* Re: [PATCH v2 05/17] arm64: dts: allwinner: Add EL2 virtual timer interrupt
[not found] ` <20260514150945.3917510-6-maz@kernel.org>
@ 2026-05-15 23:38 ` Andre Przywara
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From: Andre Przywara @ 2026-05-15 23:38 UTC (permalink / raw)
To: Marc Zyngier
Cc: linux-arm-kernel, linux-acpi, linux-kernel, devicetree,
Lorenzo Pieralisi, Hanjun Guo, Sudeep Holla, Catalin Marinas,
Will Deacon, Rafael J. Wysocki, Mark Rutland, Daniel Lezcano,
Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Neil Armstrong,
Kevin Hilman, Jerome Brunet, Martin Blumenstingl, Ge Gordon,
BST Linux Kernel Upstream Group, Jesper Nilsson, Lars Persson,
Alim Akhtar, Ivaylo Ivanov, Frank Li, Sascha Hauer,
Pengutronix Kernel Team, Fabio Estevam, Dinh Nguyen,
Matthias Brugger, AngeloGioacchino Del Regno, Thierry Reding,
Jonathan Hunter, Bjorn Andersson, Konrad Dybcio,
Andreas Färber, Heiko Stuebner, Shawn Lin, Orson Zhai,
Baolin Wang, Michal Simek, linux-sunxi
On Thu, 14 May 2026 16:09:33 +0100
Marc Zyngier <maz@kernel.org> wrote:
> The ARMv8.2 based CPUs used in the A523 SoC (and derivatives)
> are missing the EL2 virtual timer interrupt. Add it.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Works, with [v2 03/17] and this patch I see the arch timer IRQ being
int ID 28, and working, where it was 26 before. dmesg confirms that:
[ 0.000000] arch_timer: cp15 timer running at 24.00MHz (hyp-virt).
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Cheers,
Andre
> ---
> arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> index 5afa8d92acbfb..d3c47966e8fc8 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> @@ -101,7 +101,8 @@ timer {
> interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
> <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
> <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
> - <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 12 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> soc {
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2026-05-15 23:38 ` [PATCH v2 05/17] arm64: dts: allwinner: Add EL2 virtual timer interrupt Andre Przywara
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