linux-kernel - [PATCH 3/3] arm64: dts: mt8173: add a broken streams quirk property for xHCI node

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Date:   Wed, 16 Dec 2020 19:51:25 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Hsin-Yi Wang <hsinyi@...omium.org>,
        Ikjoon Jang <ikjn@...omium.org>
Subject: [PATCH 3/3] arm64: dts: mt8173: add a broken streams quirk property for xHCI node

Due to 0.96 xHCI on mt8173 doesn't support bulk stream but MaxPSASize
says supporting, add a new "mediatek,broken_streams_quirk" property to
fix it.

Fixes: 94a631d91ad3 ("usb: xhci-mtk: check hcc_params after adding primary hcd")
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8173.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index e88bbfc1fc55..f305fb033020 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -886,6 +886,7 @@
 				power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>;
 				clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
 				clock-names = "sys_ck", "ref_ck";
+				mediatek,broken_streams_quirk;
 				status = "disabled";
 			};
 		};
-- 
2.18.0