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Thu, 30 May 2024 08:26:25 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; Thu, 30 May 2024 01:26:19 -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 2/2] arm64: dts: qcom: sc7280: Disable SS instances in park mode Date: Thu, 30 May 2024 13:55:56 +0530 Message-ID: <20240530082556.2960148-3-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240530082556.2960148-1-quic_kriskura@quicinc.com> References: <20240530082556.2960148-1-quic_kriskura@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: DrpM64_vFqSMnWMFZ4FU3aPtxXJz7Wxp X-Proofpoint-ORIG-GUID: DrpM64_vFqSMnWMFZ4FU3aPtxXJz7Wxp 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=2024-05-30_05,2024-05-28_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 priorityscore=1501 bulkscore=0 phishscore=0 adultscore=0 spamscore=0 mlxlogscore=568 malwarescore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2405300062 On SC7280, 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 Cc: Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes") Signed-off-by: Krishna Kurapati Reviewed-by: Douglas Anderson --- 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";