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Mon, 09 Feb 2026 09:06:31 -0800 (PST) X-Received: by 2002:a05:693c:3114:b0:2b7:f522:9964 with SMTP id 5a478bee46e88-2b85642afb6mr5813766eec.7.1770656790491; Mon, 09 Feb 2026 09:06:30 -0800 (PST) Received: from [192.168.1.133] ([70.95.199.79]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2ba6c85831asm3091367eec.11.2026.02.09.09.06.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Feb 2026 09:06:30 -0800 (PST) Message-ID: Date: Mon, 9 Feb 2026 09:06:28 -0800 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 v2 9/9] arm64: dts: qcom: qcs6490-rb3gen2: Enable EUD debug functionality To: Konrad Dybcio , Greg Kroah-Hartman , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Souradeep Chowdhury Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260126233830.2193816-1-elson.serrao@oss.qualcomm.com> <20260126233830.2193816-10-elson.serrao@oss.qualcomm.com> Content-Language: en-US From: Elson Serrao In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: jfoDUA7lVYg5gJNADoHXM1-isc7xzBq- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA5MDE0NCBTYWx0ZWRfX/FqCf3veGrBK rxwseiZFyuqdCMLKmrIDdQG/AXXSxxnhcu2+99hIyLDU8A37uYLQBjXQSB/XSg6HCaO6S48Mv8U yw7bNJ0ZEe2Wkq0WFqJ79XE3dtbwDwcKcLJRWEjczUmThZnrvLMlTHrhAx32UFYQonT3JLwGi9X NLVv1XpVDTqTWPFOg2b4/b/8TsNkV/TT7rRRoJwzHHQ2/eWwgBoFi4LV8/15YL1kbknp7VRoYHx T+1uRJPVaD+NLwVXSHfULQLxchp9XzzE2WOsN3BgNqnolnSxRGDHkW/6qob11bMXpklr7BzC+yT XSN4nXtb82cf61s+ppfDyNx5U4xzvosexi9yiCSNtaSp3Zo7EZojZoLJ8xfxAm85Qhy2WbPmfdZ xthQB4YaJu58tm4FiJEWLTagG1cO1t76/ZuJJvsGs4aEHYLM2fJk71QdqpSWcbI5Uk/vrCj4ajh gze+290ikecBg58u87w== X-Proofpoint-ORIG-GUID: jfoDUA7lVYg5gJNADoHXM1-isc7xzBq- X-Authority-Analysis: v=2.4 cv=WecBqkhX c=1 sm=1 tr=0 ts=698a1418 cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=uHxescsG3rBdxcXwcPaeSg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=ZzF_L4zmYv5kpwg0Tc8A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-09_01,2026-02-09_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 bulkscore=0 phishscore=0 spamscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602090144 On 2/3/2026 5:38 AM, Konrad Dybcio wrote: > On 1/27/26 12:38 AM, Elson Serrao wrote: >> On this board, EUD resides on the primary High-Speed USB data path between >> the connector and the DWC3 controller. Update the device tree connections >> to correctly map the connector and controller endpoints, and describe >> role-switch capability on the EUD primary path. >> >> Signed-off-by: Elson Serrao >> --- >> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 20 ++++++++++++++++++-- >> 1 file changed, 18 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> index f29a352b0288..2fc2d0aed8dd 100644 >> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts >> @@ -194,7 +194,7 @@ port@0 { >> reg = <0>; >> >> pmic_glink_hs_in: endpoint { >> - remote-endpoint = <&usb_1_dwc3_hs>; >> + remote-endpoint = <&eud_con0>; >> }; >> }; >> >> @@ -1176,13 +1176,29 @@ &usb_1 { >> }; >> >> &usb_1_dwc3_hs { >> - remote-endpoint = <&pmic_glink_hs_in>; >> + remote-endpoint = <&eud_usb0>; >> }; >> >> &usb_1_dwc3_ss { >> remote-endpoint = <&usb_dp_qmpphy_usb_ss_in>; > > The on-SoC links can be deferred to the common DTSI > > Thanks Konrad for the detailed review. I’ll defer the on‑SoC USB controller to EUD node mapping to the common DTSI. >> }; >> >> +&eud_con0 { >> + remote-endpoint = <&pmic_glink_hs_in>; >> +}; >> + >> +&eud_usb0 { >> + remote-endpoint = <&usb_1_dwc3_hs>; >> +}; >> + >> +&eud { >> + status = "okay"; > > And I think it should be okay to keep it enabled by default > Ack Thanks Elson