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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba451cdd2b8sm535272766b.25.2026.04.22.03.43.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2026 03:43:33 -0700 (PDT) Message-ID: <3d50f17c-060a-4a1d-b539-1bea9b3e6cd0@oss.qualcomm.com> Date: Wed, 22 Apr 2026 12:43:31 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: hamoa-iot-evk: Enable retimer on USB0 port To: Prashanth K , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krishna Kurapati , stable@vger.kernel.org References: <20260422093924.2976069-1-prashanth.k@oss.qualcomm.com> <6c2c5fd6-c032-4658-9a15-039c77074c4b@oss.qualcomm.com> <8cb5e28c-1c6e-450e-855b-32491ee73885@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <8cb5e28c-1c6e-450e-855b-32491ee73885@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: SD2czFg5-yOtQ8pqBjRtr_Q3oQvkvUh8 X-Authority-Analysis: v=2.4 cv=c5ibhx9l c=1 sm=1 tr=0 ts=69e8a657 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=wI2HHqrEW52EUbEo9zwA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-GUID: SD2czFg5-yOtQ8pqBjRtr_Q3oQvkvUh8 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIyMDEwMiBTYWx0ZWRfXwT7gAEZJMhYf vQ/xvcIFSzCALqctCTBoVrNHjByQSioXmP3yud8Jg83NDHTEEgXbohDumjLlT8kiRC0IrIGPuiU WzD3JObMAb9bNYJRsY1EppMPF8zXocn5aaui6SSYFs6z1SjSxINin6Nj+Oipr6q54e7eGRE5ahB rETAsnXifPfiFeFT8tD16XxInToTW/ShQ4N2IewThAMCj/Vhqs6LHniXEW3rlw6FJl9pE3cBPZY J1zyYH6WSHuwlPyMF66SKoqj+k0CPo4XuW3OcGt2XsHzXFk5LiXTVA6hZulDxqbuRBH3vfC6zkt Ny9c1MwFP21RttHwjkGF/DlQSTHuLDrxUEyMmfdWAzax0eSWphJ8t1WFK5F0LddR28XI9MYxQan t7zjobeu8N6tBwCYGpXmyZXUTRjRyX2fPQZLcfXK/fuSaVfT9TRpzLGKo+Z0gT9lS3jB0iGWHEa nLDeqXmgJIGl5V69wag== 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=2026-04-22_01,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 impostorscore=0 phishscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604220102 On 4/22/26 12:32 PM, Prashanth K wrote: > > > On 4/22/2026 3:56 PM, Konrad Dybcio wrote: >> On 4/22/26 11:39 AM, Prashanth K wrote: >>> Add the retimer for usb_1_ss0 port (USB0), in order to enable >>> super-speed enumeration on that port. >>> >>> Fixes: c11645afb0e2 ("arm64: dts: qcom: Add base HAMOA-IOT-EVK board") >>> Cc: stable@vger.kernel.org >> >> This is a feature addition, not a fix >> >> [...] >> > Sure. >>> + ports { >>> + #address-cells = <1>; >>> + #size-cells = <0>; >>> + >>> + port@0 { >>> + reg = <0>; >>> + >>> + retimer_ss0_ss_out: endpoint { >>> + remote-endpoint = <&pmic_glink_ss0_ss_in>; >>> + }; >>> + }; >>> + >>> + port@1 { >>> + reg = <1>; >>> + >>> + retimer_ss0_ss_in: endpoint { >>> + remote-endpoint = <&usb_1_ss0_qmpphy_out>; >>> + }; >>> + }; >>> + >> >> Stray \n, but you should really have a @2 port here as well. >> >> Konrad > Can we ad port@2 and leave it empty? Why would you? Just connect it to port2 of the connector under pmic-glink Konrad