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From: Krishna Kurapati <quic_kriskura@quicinc.com>
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Subject: [PATCH 5/8] arm64: dts: qcom: sm6115: Disable SS instance in Parkmode
for USB
Date: Thu, 4 Jul 2024 20:58:45 +0530
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|
| Series |
Disable SS instances in parkmode for Gen-1 targets
|
expand
|
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@4e00000 { snps,has-lpm-erratum; snps,hird-threshold = /bits/ 8 <0x10>; snps,usb3_lpm_capable; + snps,parkmode-disable-ss-quirk; usb-role-switch;
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@vger.kernel.org> Fixes: 97e563bf5ba1 ("arm64: dts: qcom: sm6115: Add basic soc dtsi") Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> --- arch/arm64/boot/dts/qcom/sm6115.dtsi | 1 + 1 file changed, 1 insertion(+)