linux-kernel - [PATCH 4/6] arm64: dts: mediatek: mt8186: Add mediatek,gicr-save-quirk

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Message-ID: <20230511150539.4.Iaa0ee05cf0362540fda50dd6a0d87ee35dccd88b@changeid>
Date:   Thu, 11 May 2023 15:05:38 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     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>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.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>,
        Douglas Anderson <dianders@...omium.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] arm64: dts: mediatek: mt8186: Add mediatek,gicr-save-quirk

Firmware shipped on mt8186 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: 2e78620b1350 ("arm64: dts: Add MediaTek MT8186 dts and evaluation board and Makefile")
Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 arch/arm64/boot/dts/mediatek/mt8186.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index 5e83d4e9efa4..09fbd8f9ea52 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -336,6 +336,7 @@ gic: interrupt-controller@...0000 {
 			reg = <0 0x0c000000 0 0x40000>,
 			      <0 0x0c040000 0 0x200000>;
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
+			mediatek,gicr-save-quirk;
 
 			ppi-partitions {
 				ppi_cluster0: interrupt-partition-0 {
-- 
2.40.1.606.ga4b1b128d6-goog