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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b885b6fe45asm784820066b.35.2026.01.27.03.46.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Jan 2026 03:46:08 -0800 (PST) Message-ID: <4632ad3a-c893-449a-b0d1-48d9c93da7e9@oss.qualcomm.com> Date: Tue, 27 Jan 2026 12:46:05 +0100 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 RFT 2/3] arm64: dts: qcom: glymur: Add USB related nodes To: Abel Vesa Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Wesley Cheng , Pankaj Patil , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Wesley Cheng References: <20260113-dts-qcom-glymur-add-usb-support-v1-0-98d6d387df01@oss.qualcomm.com> <20260113-dts-qcom-glymur-add-usb-support-v1-2-98d6d387df01@oss.qualcomm.com> <01de4054-eebf-4ef3-ad74-c806b208a848@oss.qualcomm.com> <6lieos5uudkgynizozrmzrj5ov57frzzl65b2fpanwbhbmehot@z5uhyv4ipyet> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <6lieos5uudkgynizozrmzrj5ov57frzzl65b2fpanwbhbmehot@z5uhyv4ipyet> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: mhKJAJbQN6HwXsziwVzZHBQrwIYALAj1 X-Authority-Analysis: v=2.4 cv=SvedKfO0 c=1 sm=1 tr=0 ts=6978a582 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=qn_fkN7zqQ4dxzFuYcEA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-ORIG-GUID: mhKJAJbQN6HwXsziwVzZHBQrwIYALAj1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDA5NiBTYWx0ZWRfX+N/lRU4439ZL 0vTOmxaQ96cdhR2k6pLLe91mdu6li3X3+E37z7dz/5uxn+aesPTZgDyN7m7V8ONTfnLm93QSVA7 nqHaYciwj2A+qXtoXfG2rv3o8ungerNFU0HbGdLm9D3KL6RJdepkOr2wjN6QRzDUXE/VJEeT1us IpE0LvIM5bDKdq0mVUqe93QjA0FeiuTlNkoMCzIZnHSOtGjoymHyWMLdtAH2MokVutqSa4wEkWS PJ59Rq0mI2iDg3HpRYF7VkMLjoZsBuBpjcle50S9DiwsZXaCp4os/fwoiJOYfjLZMNN4qRJ68B0 FNNl9T3/BPgXXbLEu/4dydJ3RXqARHWxx5NAnp8uqTkldduio2yFIbwcWV48F4112Ye1oYiVbNL UIhlSJyvR+sUmvWMABBRiWciqHmS2f1p5HXq3tDA2wDw+bzDGp1Xkh3PZqZc2mB69FoEowxTWea DVer3H/ZRgoYTpM9mnA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-27_02,2026-01-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601270096 On 1/27/26 12:41 PM, Abel Vesa wrote: > On 26-01-13 14:13:32, Konrad Dybcio wrote: >> On 1/13/26 1:33 PM, Abel Vesa wrote: >>> From: Wesley Cheng >>> >>> The Glymur USB system contains 3 USB type C ports, 1 USB multiport >>> controller and a USB 2.0 only controller. This encompasses 5 SS USB QMP >>> PHYs (3 combo and 2 uni) and 6 M31 eUSB2 PHYs. All controllers are SNPS >>> DWC3 based, so describe them as flattened DWC3 QCOM nodes. >>> >>> Signed-off-by: Wesley Cheng >>> Co-developed-by: Abel Vesa >>> Signed-off-by: Abel Vesa >>> --- >> >> [...] >> >>> + snps,dis_u2_susphy_quirk; >>> + snps,dis_enblslpm_quirk; >>> + snps,dis_u3_susphy_quirk; >>> + snps,usb2-lpm-disable; >> >> Other SoCs have a list that's much longer, please consult Wesley if >> this list is enough > > Checked with Wesley. He confirmed that this trimmed list is fine. > He said he dropped the rest since they are related to the power saving > features like USB2/3 LPM (l1 or u1/u2) and we don't seem need those. Is that to say that those erratas were fixed in this hardware? Low-power states of the link are no less than desired is possible.. Konrad