Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

From: Maxime Ripard
Date: Tue Apr 18 2017 - 03:00:25 EST


On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
> Allwinner A64 SoC features a NMI controller, which is usually connected
> to the AXP PMIC.
>
> Add support for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
> Changes in v2:
> - Added Chen-Yu's ACK.
>
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 05ec9fc5e81f..53c18ca372ea 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -403,6 +403,14 @@
> <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + nmi_intc: interrupt-controller@01f00c0c {
> + compatible = "allwinner,sun6i-a31-sc-nmi";
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + reg = <0x01f00c0c 0x38>;

The base address is not correct, and there's uncertainty on whether
this is this particular controller or not. Did you even test this?

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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