[PATCH 4/8] arm64: dts: qcom: sdm630: Disable SS instance in Parkmode for USB

From: Krishna Kurapati
Date: Thu Jul 04 2024 - 11:31:04 EST


For Gen-1 targets like SDM630, 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 SDM630 to mitigate this issue.

Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: c65a4ed2ea8b ("arm64: dts: qcom: sdm630: Add USB configuration")
Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm630.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index 94057ebf767f..c7e3764a8cf3 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -1302,6 +1302,7 @@ 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 = <&qusb2phy0>, <&usb3_qmpphy>;
phy-names = "usb2-phy", "usb3-phy";
--
2.34.1