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From: Krishna Kurapati <quic_kriskura@quicinc.com>
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Subject: [PATCH 3/8] arm64: dts: qcom: msm8998: Disable SS instance in
Parkmode for USB
Date: Thu, 4 Jul 2024 20:58:43 +0530
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|
| Series |
Disable SS instances in parkmode for Gen-1 targets
|
expand
|
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index 3c94d823a514..6d5e1c7b2da5 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -2144,6 +2144,7 @@ usb3_dwc3: usb@a800000 { interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,parkmode-disable-ss-quirk; phys = <&qusb2phy>, <&usb3phy>; phy-names = "usb2-phy", "usb3-phy"; snps,has-lpm-erratum;
For Gen-1 targets like MSM8998, 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 MSM8998 to mitigate this issue. Cc: <stable@vger.kernel.org> Fixes: 026dad8f5873 ("arm64: dts: qcom: msm8998: Add USB-related nodes") Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> --- arch/arm64/boot/dts/qcom/msm8998.dtsi | 1 + 1 file changed, 1 insertion(+)