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Message-ID: <20240704152848.3380602-6-quic_kriskura@quicinc.com>
Date: Thu, 4 Jul 2024 20:58:45 +0530
From: Krishna Kurapati <quic_kriskura@...cinc.com>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring <robh@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio
<konrad.dybcio@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Baruch Siach
<baruch@...s.co.il>,
Kathiravan T <quic_kathirav@...cinc.com>,
"Sivaprakash
Murugesan" <sivaprak@...eaurora.org>,
Andy Gross <andy.gross@...aro.org>,
Jeffrey Hugo <quic_jhugo@...cinc.com>,
Douglas Anderson
<dianders@...omium.org>,
Stephen Boyd <swboyd@...omium.org>, Iskren Chernev
<me@...ren.info>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Vivek Gautam
<vivek.gautam@...eaurora.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <quic_ppratap@...cinc.com>,
<quic_jackp@...cinc.com>, Krishna Kurapati <quic_kriskura@...cinc.com>,
<stable@...r.kernel.org>
Subject: [PATCH 5/8] arm64: dts: qcom: sm6115: Disable SS instance in Parkmode for USB
For Gen-1 targets like SM6115, it is seen that stressing out the
controller in host mode results in HC died error:
xhci-hcd.12.auto: xHCI host not responding to stop endpoint command
xhci-hcd.12.auto: xHCI host controller not responding, assume dead
xhci-hcd.12.auto: HC died; cleaning up
And at this instant only restarting the host mode fixes it. Disable
SuperSpeed instance in park mode for SM6115 to mitigate this issue.
Cc: <stable@...r.kernel.org>
Fixes: 97e563bf5ba1 ("arm64: dts: qcom: sm6115: Add basic soc dtsi")
Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
---
arch/arm64/boot/dts/qcom/sm6115.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 48ccd6fa8a11..e374733f3b85 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -1660,6 +1660,7 @@ usb_dwc3: usb@...0000 {
snps,has-lpm-erratum;
snps,hird-threshold = /bits/ 8 <0x10>;
snps,usb3_lpm_capable;
+ snps,parkmode-disable-ss-quirk;
usb-role-switch;
--
2.34.1
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