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From: Krishna Kurapati <quic_kriskura@quicinc.com>
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Subject: [PATCH 1/8] arm64: dts: qcom: ipq6018: Disable SS instance in
Parkmode for USB
Date: Thu, 4 Jul 2024 20:58:41 +0530
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|
| Series |
Disable SS instances in parkmode for Gen-1 targets
|
expand
|
diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi index b3b98f050cfd..e1e45da7f787 100644 --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -704,6 +704,7 @@ dwc_0: usb@8a00000 { clocks = <&xo>; clock-names = "ref"; tx-fifo-resize; + snps,parkmode-disable-ss-quirk; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk;
For Gen-1 targets like IPQ6018, 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 IPQ6018 to mitigate this issue. Cc: <stable@vger.kernel.org> Fixes: 20bb9e3dd2e4 ("arm64: dts: qcom: ipq6018: add usb3 DT description") Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> --- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 1 + 1 file changed, 1 insertion(+)