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

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Message-ID: <20170418070016.qsng3qtk76bqxyc5@lukather>
Date:   Tue, 18 Apr 2017 09:00:16 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

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@...c.io>
> Acked-by: Chen-Yu Tsai <wens@...e.org>
> ---
> 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@...00c0c {
> +			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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