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Tue, 4 Jun 2024 06:07:26 GMT Received: from hu-kriskura-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Mon, 3 Jun 2024 23:07:21 -0700 From: Krishna Kurapati To: , Krzysztof Kozlowski , Rob Herring , Bjorn Andersson , Konrad Dybcio , "Conor Dooley" , Stephen Boyd , "Greg Kroah-Hartman" , Matthias Kaehlcke CC: , , , , , Krishna Kurapati , "Doug Anderson" , Subject: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Disable SuperSpeed instances in park mode Date: Tue, 4 Jun 2024 11:36:59 +0530 Message-ID: <20240604060659.1449278-3-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240604060659.1449278-1-quic_kriskura@quicinc.com> References: <20240604060659.1449278-1-quic_kriskura@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: BSQ2_BAy2SA21sF_-WeYDyCYJCcxCaO3 X-Proofpoint-ORIG-GUID: BSQ2_BAy2SA21sF_-WeYDyCYJCcxCaO3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.12.28.16 definitions=2024-06-04_02,2024-05-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 adultscore=0 clxscore=1015 mlxlogscore=599 bulkscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406040048 On SC7280, in host mode, it is observed that stressing out controller 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 instances in park mode for SC7280 to mitigate this issue. Reported-by: Doug Anderson Cc: Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes") Signed-off-by: Krishna Kurapati --- Removed RB/TB tag from Doug as commit text was updated. arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 41f51d326111..e0d3eeb6f639 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -4131,6 +4131,7 @@ usb_1_dwc3: usb@a600000 { iommus = <&apps_smmu 0xe0 0x0>; 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