On SC7180, in host mode, it is observed that stressing out controller in host mode results in HC died error and only restarting the host mode fixes it. Disable SS instances in park mode for these targets to avoid host controller being dead.
Reported-by: Doug Anderson dianders@google.com Cc: stable@vger.kernel.org Fixes: 0b766e7fe5a2 ("arm64: dts: qcom: sc7180: Add USB related nodes") Signed-off-by: Krishna Kurapati quic_kriskura@quicinc.com --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 2b481e20ae38..cc93b5675d5d 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -3063,6 +3063,7 @@ usb_1_dwc3: usb@a600000 { iommus = <&apps_smmu 0x540 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"; maximum-speed = "super-speed";
On Thu, May 30, 2024 at 01:55:55PM +0530, Krishna Kurapati wrote:
On SC7180, in host mode, it is observed that stressing out controller in host mode results in HC died error and only restarting the host mode fixes it. Disable SS instances in park mode for these targets to avoid host controller being dead.
Just out of curiosity, what is the park mode?
Reported-by: Doug Anderson dianders@google.com Cc: stable@vger.kernel.org Fixes: 0b766e7fe5a2 ("arm64: dts: qcom: sc7180: Add USB related nodes") Signed-off-by: Krishna Kurapati quic_kriskura@quicinc.com
arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 2b481e20ae38..cc93b5675d5d 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -3063,6 +3063,7 @@ usb_1_dwc3: usb@a600000 { iommus = <&apps_smmu 0x540 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"; maximum-speed = "super-speed";-- 2.34.1
Hi,
On Thu, May 30, 2024 at 1:26 AM Krishna Kurapati quic_kriskura@quicinc.com wrote:
On SC7180, in host mode, it is observed that stressing out controller in host mode results in HC died error and only restarting the host mode fixes it. Disable SS instances in park mode for these targets to avoid host controller being dead.
Reported-by: Doug Anderson dianders@google.com Cc: stable@vger.kernel.org Fixes: 0b766e7fe5a2 ("arm64: dts: qcom: sc7180: Add USB related nodes") Signed-off-by: Krishna Kurapati quic_kriskura@quicinc.com
arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + 1 file changed, 1 insertion(+)
Reviewed-by: Douglas Anderson dianders@chromium.org Tested-by: Douglas Anderson dianders@chromium.org
On Thu, May 30, 2024 at 01:55:55PM GMT, Krishna Kurapati wrote:
On SC7180, in host mode, it is observed that stressing out controller in host mode results in HC died error and only restarting the host
Could you please include a copy of that error message, so that others searching for that error message will be able to find this commit?
Also, there's three "in host mode"s in this sentence.
mode fixes it. Disable SS instances in park mode for these targets to
Please spell SS SuperSpeed.
Regards, Bjorn
avoid host controller being dead.
Reported-by: Doug Anderson dianders@google.com Cc: stable@vger.kernel.org Fixes: 0b766e7fe5a2 ("arm64: dts: qcom: sc7180: Add USB related nodes") Signed-off-by: Krishna Kurapati quic_kriskura@quicinc.com
arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 2b481e20ae38..cc93b5675d5d 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -3063,6 +3063,7 @@ usb_1_dwc3: usb@a600000 { iommus = <&apps_smmu 0x540 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"; maximum-speed = "super-speed";-- 2.34.1
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