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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a78d7cd47csm10690344a91.17.2026.10.05.02.58.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Oct 2026 02:58:21 -0700 (PDT) Message-ID: <4df14aca-eef0-497a-871f-bea4700c74d8@oss.qualcomm.com> Date: Mon, 5 Oct 2026 15:28:17 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] usb: dwc3: qcom: Check for L2 only when suspending a host with wakeup To: fabricioakio@gmail.com, Thinh Nguyen , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260928-dwc3-qcom-l2-check-v1-1-43c5c6e97922@gmail.com> Content-Language: en-US From: Pankaj Patil In-Reply-To: <20260928-dwc3-qcom-l2-check-v1-1-43c5c6e97922@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: --7Pyxr7ABOoKn72JUsTh20np0sbfu6e X-Proofpoint-ORIG-GUID: --7Pyxr7ABOoKn72JUsTh20np0sbfu6e X-Authority-Analysis: v=2.4 cv=A6b5rKWG c=1 sm=1 tr=0 ts=6ac374be cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=QFNGBFAix9GFkXGs:21 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=Yc3q67t5xzoVBN05MFIA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA1MDAzOSBTYWx0ZWRfX4jDSR1CDsf7B WAWIX8b+lckmd4+/m8bnrouAhbfbHceIGPeLfbWKRjQyEcCsAY7fn1HSPwdOc8/RqCd19Bi2MWC Zh6Gawt53VztGwY4mC3oDKRNTQySTkIYSOQ4bi2vB+qSrXMkxjbPLoTWny4xfE0oP3iCe27lt0+ obrh+GaRWbgM89H/urcSTH0xjQGd1OanpM0Ukf+SwfUGbHNe/295O3WI1oUuZhsGE0w+BHvnOsj CJlvIHWm85xEhAfiMwJH5o5EILo+TB+KlkHqH4nvCMo3lNLlZciskJMWRgOq8Ht7lIdnYSncX0v cwPTN6nJzgoDmYVIwZK0LQobr63TEA57tS8AnwnxNE5sD5hTpr9yM9C7iIGtd1lhNjFCNC5ktlP 97YoSjUtt6QtJJNM/hWNDtYKMCIW9ztDMZbDVUXLbGZ/pI034AmyK6+7sPW9nv2aDoZaYloBo5o bgPJ7JbAzARxXcbmLMw== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA1MDAzOSBTYWx0ZWRfXyPGgrNh38uox kVsk7ZHoW3Q5uCeW1VPurzFLtEmGcZSeK27T2iSZdMrBN/fDGmSTSCLW6YRh3ODhKVVTg6xq96Q yl+JUt/CBMWXjjr5jLvWosndK8+vHLc= 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=2026-10-05_01,2026-10-02_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610050039 On 9/28/2026 11:46 PM, Fabricio Akio via B4 Relay wrote: > From: Fabricio Akio > > In peripheral mode the core disconnects and powers the PHY off before > the glue suspends, so the link never enters L2 and every system > suspend logs "HS-PHY not in L2". Check only for a host with wakeup, > the one case that parks the PHY in L2. > > Signed-off-by: Fabricio Akio > --- > Tested on a Motorola Moto X4 (XT1900-6, SDM630) with the sdm660-mainline > 7.2.3 tree, in peripheral mode with the cable attached: the "HS-PHY not > in L2" message appears on every system suspend without this patch, and > not over three consecutive cycles with it. Host mode is untested, since > this board runs the controller in peripheral mode. The board binds > dwc3-qcom-legacy, so the same change in dwc3-qcom.c is build-tested > only. Applies unchanged to next-20260928. > --- Tested on Glymur-CRD Tested-by: Pankaj Patil Reviewed-by: Pankaj Patil [...]