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Fri, 16 Oct 2026 03:24:54 -0700 (PDT) X-Received: by 2002:a05:620a:2855:b0:939:8148:1e3d with SMTP id af79cd13be357-93ebd0d7987mr3686935685a.2.1792146294032; Fri, 16 Oct 2026 03:24:54 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b38a1c633asm749378a12.16.2026.10.16.03.24.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Oct 2026 03:24:53 -0700 (PDT) Message-ID: <7cda0970-2ccb-41d1-985c-958bc9fb2a73@oss.qualcomm.com> Date: Fri, 16 Oct 2026 12:24:50 +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 1/1] arm64: dts: qcom: glymur: Set snps,resume-hs-terminations for USB controllers To: Peter Chen Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Abel Vesa , Wesley Cheng , Udipto Goswami , Jack Pham , Pratham Pratap , Krishna Kurapati , Thinh Nguyen , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261016091336.2715717-1-peter.chen@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE2MDA0MSBTYWx0ZWRfX2baFev5x2kaK iRPNIMRfh9fMFPTVR4TF2cXkOZmsPybUQ+m6LDcesgdtfbmo4XLdxVXodZm8GYUqRbUaLEIvJ57 6kYcbj86SjvXFaBAVBVhfu8APWmJzbw= X-Authority-Analysis: v=2.4 cv=H+BOUOYi c=1 sm=1 tr=0 ts=6ad1fb7c cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=TzX8eDZg1TTv6Nxa36EA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-GUID: FA9gOK1YomE-GBfNH-0OKXO6_40kZtMC X-Proofpoint-ORIG-GUID: FA9gOK1YomE-GBfNH-0OKXO6_40kZtMC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE2MDA0MSBTYWx0ZWRfX1L1tql3BzhD0 dXGXoPrFQjBqqdx2X2CNS2X1Y10jAfrJnRau3kO24ftufgjBA2NFwg9uqcBYF74+guBnvT6A48b Cz230FZ719wvo+nSeuG9tNoO8sScmgPCeLfw9QB4oKFMxCJZYQ70k5SUURPDYcBCe4bRGK/bsCJ qyeI+d5XmK0Ms0jXjKPKLaVotQ+159ZkpWAOc4jC8H06hrYgXZa+SRu1Bc1WT4IT1oYTmUrdX7z FIYmk43TP57Jm2QmvS96qM/plb+YhR3o2dF82yCzE+GydDV3jU4y+JZIqBjyYKUDt814Ncnby0r fstYlfxhea58XP2C7aBeufZC9NNmkKZkF9cnTc2gFA+ULgY8K7MpauSHIp/QCLfg62IPEpsrHXO fMMigYTdDOAkqvfrL6Kfkn5mdjeZbBpPthdAniy7nccJd1JpZarTZva/yQCs8r/fHeJjTruGPr7 G8R0G+qrC2HKlYGi/lg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-16_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 bulkscore=0 phishscore=0 priorityscore=1501 adultscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610160041 On 10/16/26 11:31 AM, Peter Chen wrote: > On 26-10-16 11:24:05, Konrad Dybcio wrote: >> On 10/16/26 11:13 AM, Peter Chen wrote: >>> The DWC3 controllers on Glymur are paired with the M31 eUSB2 PHY. >>> According to HPG, host-mode USB2 L2/L1 resume with this PHY, GUCTL1[10] >>> (RESUME_OPMODE_HS_HOST) must be set. >> >> $ rg -i m31-eusb2 arch -l >> arch/arm64/boot/dts/qcom/glymur.dtsi >> arch/arm64/boot/dts/qcom/kaanapali.dtsi >> arch/arm64/boot/dts/qcom/hawi.dtsi >> arch/arm64/boot/dts/qcom/sm8750.dtsi >> >> Can you send a fixup for all of these? >> >> Reviewed-by: Konrad Dybcio > > Sure, but I only have Glymur CRD, can't test this change on all hardware, > is it okay? The hardware programming guide says this is a necessity due to the hw specifics. This is enough evidence - you can then ask some of our colleagues who recently submitted support for these SoCs to test it out. Konrad