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Tue, 4 Jun 2024 06:07:13 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 23:07:08 -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 Subject: [PATCH v2 0/2] Disable SS instances in park mode for SC7180/ SC7280 Date: Tue, 4 Jun 2024 11:36:57 +0530 Message-ID: <20240604060659.1449278-1-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.34.1 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: 9MHZLtJmlE5fn0JG7tPiqVo8yKYs8Z0P X-Proofpoint-ORIG-GUID: 9MHZLtJmlE5fn0JG7tPiqVo8yKYs8Z0P 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 lowpriorityscore=0 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 phishscore=0 mlxscore=0 priorityscore=1501 adultscore=0 bulkscore=0 spamscore=0 mlxlogscore=504 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406040048 When working in host mode, in certain conditions, when the USB host controller is stressed, there is a HC died warning that comes up. Fix this up by disabling SS instances in park mode for SC7280 and SC7180. It is recommended to set this quirk for all Gen-1 SoCs. Will identify the other SoCs and push a separate series for the same. Changes in v2: Updated commit text to include error message as well. Minor other nits in commit text fixed. Link to v1: https://lore.kernel.org/all/20240530082556.2960148-1-quic_kriskura@quicinc.com/ Krishna Kurapati (2): arm64: dts: qcom: sc7180: Disable SuperSpeed instances in park mode arm64: dts: qcom: sc7280: Disable SuperSpeed instances in park mode arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 + 2 files changed, 2 insertions(+) -- 2.34.1