6.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Krishna Kurapati quic_kriskura@quicinc.com
commit cf4d6d54eadb60d2ee4d31c9d92299f5e8dcb55c upstream.
For Gen-1 targets like SDM845, 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 SDM845 to mitigate this issue.
Cc: stable@vger.kernel.org Fixes: ca4db2b538a1 ("arm64: dts: qcom: sdm845: Add USB-related nodes") Signed-off-by: Krishna Kurapati quic_kriskura@quicinc.com Reviewed-by: Konrad Dybcio konrad.dybcio@linaro.org Link: https://lore.kernel.org/r/20240704152848.3380602-9-quic_kriskura@quicinc.com Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -4086,6 +4086,7 @@ iommus = <&apps_smmu 0x740 0>; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,parkmode-disable-ss-quirk; phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>; phy-names = "usb2-phy", "usb3-phy"; }; @@ -4141,6 +4142,7 @@ iommus = <&apps_smmu 0x760 0>; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; + snps,parkmode-disable-ss-quirk; phys = <&usb_2_hsphy>, <&usb_2_qmpphy>; phy-names = "usb2-phy", "usb3-phy"; };