linux-kernel - Re: [PATCH 3/6] arm64: dts: mediatek: mt8183: Add mediatek,gicr-save-quirk

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Message-ID: <df8571eb-fba9-0ba7-88d0-1a74114bd73f@collabora.com>
Date:   Mon, 15 May 2023 13:29:29 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Douglas Anderson <dianders@...omium.org>,
        Marc Zyngier <maz@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     devicetree@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        wenst@...omium.org, Eddie Huang <eddie.huang@...iatek.com>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        Ben Ho <Ben.Ho@...iatek.com>, Weiyi Lu <weiyi.lu@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org,
        Tinghan Shen <tinghan.shen@...iatek.com>, jwerner@...omium.org,
        Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>,
        yidilin@...omium.org, Seiya Wang <seiya.wang@...iatek.com>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] arm64: dts: mediatek: mt8183: Add
 mediatek,gicr-save-quirk

Il 12/05/23 00:05, Douglas Anderson ha scritto:
> Firmware shipped on mt8183 Chromebooks is affected by the GICR
> save/restore issue as described by the patch ("dt-bindings:
> interrupt-controller: arm,gic-v3: Add quirk for Mediatek SoCs w/
> broken FW"). Add the quirk property.
> 
> Fixes: e526c9bc11f8 ("arm64: dts: Add Mediatek SoC MT8183 and evaluation board dts and Makefile")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 
>   arch/arm64/boot/dts/mediatek/mt8183.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 5169779d01df..39545172fce5 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -709,6 +709,7 @@ gic: interrupt-controller@...0000 {
>   			      <0 0x0c400000 0 0x2000>,   /* GICC */
>   			      <0 0x0c410000 0 0x1000>,   /* GICH */
>   			      <0 0x0c420000 0 0x2000>;   /* GICV */
> +			mediatek,gicr-save-quirk;

Nit: Can you please move this after interrupts?

Thanks,
Angelo

>   
>   			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
>   			ppi-partitions {