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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-66aa65a2be0sm204618a12.29.2026.03.25.05.22.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Mar 2026 05:22:45 -0700 (PDT) Message-ID: Date: Wed, 25 Mar 2026 13:22:43 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp: Enable USB OTG on functional Type-C ports To: Dmitry Baryshkov , Konrad Dybcio Cc: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jagadeesh Kona References: <20260313-topic-x13s_otg-v1-1-cb2e4a08e25d@oss.qualcomm.com> <0dfed5a0-1c07-4e7d-bca4-8183e44c3ada@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <0dfed5a0-1c07-4e7d-bca4-8183e44c3ada@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDA4OCBTYWx0ZWRfX9LYvGv0qB9E8 xnNB3LbuZuKpzW/tar1y6rsTzoac8dGfrrkCJ/Jr9zLzXfTPt2itGnkcDjF4iJufUB1sE0DQFf/ P/D7295hiKPo5sPL+tudA5TRx+TTiW+yRbK/nKv2xeJ12V8IzhvL1BIWmvb7QvSclGVs/071U/n JrAuM6qfiBYZiWN+udwRxOBA8u77nWLVBeJTKp/iDQ0hIy7f/QEES+V3X9i0B1lNl694EmWjpxE 4SYY3+bhJQ1un3So/E+W3xJFDN1PdZMcH3Lb2i5IddCpHPHJ+H6h9WnS5j1xj01twAvJ0gZF7op 3avd4L1m952obS6RihTkiDoziwH2DC9q3SB/R9ZVAqPQYshZ5Y+hhF/FI1TVhQd3eU95dmOMNYn qKE2mKAvKvrk4R8eTp/mjPMnXhK7ULtIE1oFS1RQYAPztdmD/JYxrJhJcbpKhdXZxaq0jcKS00O f2G/5gR7AUa9LjPzdZg== X-Proofpoint-ORIG-GUID: qoHSPD1nU2UjlYhgDra48_tmZBhZrLK4 X-Proofpoint-GUID: qoHSPD1nU2UjlYhgDra48_tmZBhZrLK4 X-Authority-Analysis: v=2.4 cv=eeUwvrEH c=1 sm=1 tr=0 ts=69c3d397 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=3FMUunFS8DJlY5xvwZQA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-25_04,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 adultscore=0 suspectscore=0 spamscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250088 On 3/19/26 3:45 PM, Konrad Dybcio wrote: > On 3/13/26 3:37 PM, Dmitry Baryshkov wrote: >> On Fri, Mar 13, 2026 at 03:08:03PM +0100, Konrad Dybcio wrote: >>> From: Konrad Dybcio >>> >>> The two non-multiport USB controllers present on the platform are >>> role-switch capable, so mark them as such. They need no additional >>> plumbing, as tested on the X13s. >>> >>> Enable OTG for all devices featuring a data-role provider in one fell >>> swoop to prevent hitting the edge case where UCSI code would time out >>> trying to get a reference to a struct usb_role_switch, which wouldn't >>> be registered if dr_mode was set to anything other than (the default) >>> OTG. >>> >>> Signed-off-by: Konrad Dybcio >>> --- >>> arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 8 -------- >>> arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 8 -------- >>> arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 8 -------- >>> arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts | 8 -------- >>> arch/arm64/boot/dts/qcom/sc8280xp-microsoft-blackrock.dts | 8 -------- >>> arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 4 ++++ >>> 6 files changed, 4 insertions(+), 40 deletions(-) >>> >> >> Reviewed-by: Dmitry Baryshkov > > Unfortunately it seems like that while it works, it makes the x13s crash > upon resume > > It also crashes there if we flatten the DT node and I'm hoping the solution > to that will fix both, but we have to hold it for now More details: it's (again) USB_0 causing the issue, and only changing USB_1 to dual-role makes the QMPPHY phy_init time out upon resume, without a system crash Konrad