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From: Krishna Kurapati <quic_kriskura@quicinc.com>
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Subject: [PATCH 7/8] arm64: dts: qcom: msm8996: Disable SS instance in
Parkmode for USB
Date: Thu, 4 Jul 2024 20:58:47 +0530
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|
| Series |
Disable SS instances in parkmode for Gen-1 targets
|
expand
|
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 2b20cedfe26c..0fd2b1b944a5 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -3101,6 +3101,7 @@ usb3_dwc3: usb@6a00000 { snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; snps,is-utmi-l1-suspend; + snps,parkmode-disable-ss-quirk; tx-fifo-resize; }; };
For Gen-1 targets like MSM8996, 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 MSM8996 to mitigate this issue. Cc: <stable@vger.kernel.org> Fixes: 1e39255ed29d ("arm64: dts: msm8996: Add device node for qcom,dwc3") Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> --- arch/arm64/boot/dts/qcom/msm8996.dtsi | 1 + 1 file changed, 1 insertion(+)