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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: linux-usb@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-ORIG-GUID: pzWXgslCguImvV4TYIcRlWcE6NXS7EoX X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA3MDIyOSBTYWx0ZWRfX/bIZ7Fqq1b1z GuRRolGGiy7rBte+UKR55i6RUVVyODa4Q8V6GzjJp3rBGZsZUMLe22OVcmIpD4CgBJFcGjCn7fm cs09qI31vpiVPe5y2DSYuN2qkpBGxEg= X-Authority-Analysis: v=2.4 cv=F9JnsKhN c=1 sm=1 tr=0 ts=6a4d89bc cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=Xh3BmAQj8LICq2LrjkMA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-GUID: pzWXgslCguImvV4TYIcRlWcE6NXS7EoX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA3MDIyOSBTYWx0ZWRfX3l4MBX6URvD7 81yo7L/nqHlwBLDEDehPPxMNMnGA9ngIv4MqkvvrTf7GRh1AMUuSY1Z757ec3mp/trze89iGvp1 ckW9wBO+TGcIC9B+B5TGxCQ2BZsaUbSHr2dLcUetOZddeYIkXld++PODmkX8PWAg/hY5udoqUf9 GzjlFiDGkyxpYSsJA/u7y+RVkUVh9jFP+9PLHqaW9Tv/zrd3T1Qh8nDWk7od+pQx9aycONrJzWB ar8M5Iuj+uft5kHl6Gqadytp7oDtw5MmAWxwPaLpn+fP/PIwLr8g8d1OcOdGWHPCETZLxcnXxgp RnNgCwzLnyZq7itrCUiZiyWCyywWv5hO11/OJLz/JRXBFH41QZc3Dl2bTWSuis5zEV6KWQj1ouA UG7urkj6Ey8rMJBatLZhFyzLYUGoosSMjywnhGXq4NKbUTxD6kTWVXgnT1vQToO7y65pCS5i1Z6 VMA9j9xCLcATis9hYqQ== 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 impostorscore=0 adultscore=0 priorityscore=1501 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 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