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([2603:8001:7f00:fc12:b897:54f3:b10a:6577]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31174ac0557sm15675242eec.26.2026.07.07.16.20.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jul 2026 16:20:26 -0700 (PDT) Message-ID: Date: Tue, 7 Jul 2026 16:20:24 -0700 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/9] dt-bindings: soc: qcom: eud: Add per-path child nodes for UTMI routing To: Dmitry Baryshkov , Konrad Dybcio Cc: Krzysztof Kozlowski , Bjorn Andersson , Greg Kroah-Hartman , Konrad Dybcio , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Souradeep Chowdhury , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260501170635.2641748-1-elson.serrao@oss.qualcomm.com> <20260501170635.2641748-2-elson.serrao@oss.qualcomm.com> <20260703-manipulative-mauve-centipede-f8c95e@quoll> <2105eecd-b2e1-48b0-9795-ddffa8e43937@oss.qualcomm.com> Content-Language: en-US From: Elson Serrao In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: r-b46uzK6iSYn3jRZ-4fEkvZrmTVzkMs X-Authority-Analysis: v=2.4 cv=CviPtH4D c=1 sm=1 tr=0 ts=6a4d89bc cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=Xh3BmAQj8LICq2LrjkMA:9 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-ORIG-GUID: r-b46uzK6iSYn3jRZ-4fEkvZrmTVzkMs X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA3MDIyOSBTYWx0ZWRfX22uAF0XOrKm5 XtDlrfTzYulQOAAD6TPv0fc6uAOGd3Mj2+EY6sjGM07GtCnXYYCpfotprC116kH9xgJoiMBG5QZ SS0DPlZyl+JjDvepFBOpGg7+T257x2g= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA3MDIyOSBTYWx0ZWRfX2yuA1F+LE5bL Y0m8ox8JcmqmlRPbPCHg+ge89aSCYCCBJH6QMKjueoIcheKKCEEDuNbqV6TbgZGx2lILtuTFyIP 3Bsvt4oNSeXl84VsNLB4QElVDRjBUawLcrTzF2dh/MlDhySHvGKkuMf6sIET2+2+yeT0CL4NF1x KWA5j4qM25ZlXfX8qyzk1bblFPbhv3NXBa3uTVNXntzreNSzeP6GccEGtbv2ZCUFOgLSNYU9nEa QtI4iHNW27q3MLNwwvhx6Yp5hzWdzQKmt8CPK2UoXOimAHb4F6rbSxjHly5G2RrWiUBbtVSpTia 3coiMI5Q4DDe1e5YnaadChl/Bh6HRgP2q1VF5wBDz0knPWz+KrmjWZgtN3jJ5rsFt4R0y5hTPlK qDYJg5XaIpLRV9l5W0WXCJJeSdz0pCoIcvbqRnjHn3cHfdL0+sE5eDctc/9z9fhDLlHEDmffqof zav1lgeRnY6xIDr9NxQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-07_06,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607070229 On 7/3/2026 5:01 PM, Dmitry Baryshkov wrote: > On Fri, Jul 03, 2026 at 10:56:19AM +0200, Konrad Dybcio wrote: >> On 7/3/26 9:45 AM, Krzysztof Kozlowski wrote: >>> On Fri, May 01, 2026 at 10:06:27AM -0700, Elson Serrao wrote: >>>> The Qualcomm Embedded USB Debugger (EUD) can intercept one or two >>>> independent High-Speed UTMI paths, depending on the SoC configuration. >>>> Each path is distinct, with its own connector/controller connection >>>> and role-dependent UTMI routing. >>> >>> You miss SoC specific compatibles in the patch. Binding describes ONLY >>> SC7280 but you claim here it depends on SoC (not sure what is a >>> "configuration" of a SoC). >> >> The hardware configuration - some (older) SoCs don't support muxing >> to another port. The binding only says 7280 today, but after some >> version of this series lands, we'll wire it up on basically >> everything that came out in the past 10 years > > Yes, but I'd also prefer to see exact words / platforms / references > rather than vague "depending on the SoC configuration". > The wording was intended to describe the EUD architecture implemented on Qualcomm SoCs (as described in the EUD hardware documentation). Given that SC7280 supports EUD only on primary port, I'll reword the commit text to give exact platform references and add a compatible for a SoC with dual-path EUD support(like SM8350) to serve as an example. Thanks Elson