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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-usb@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-Spam-Info: AW1haW4tMjYxMDA1MDAzOSBTYWx0ZWRfX01fW3ymoPdwn aAQ4vEDcEHwEG53RNEYfg5lTowxC0FLjs28Zk/d+VGItEqx4groqX+PrfngoqaEW+AgicEad2ep nqLHOgplN00+kQznIrjEUbDT0wj1w1g= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA1MDAzOSBTYWx0ZWRfX+Nz3EBzkjWYJ g5mDVNqp7THtKdM0tIOllQ0hhRzkHWpDByC02n4quKDD4XOA+9JkI6eJUrRVjTAIuCpPiwe3+nl eXCvl0nNY8A3Fh8TAn9QsWuunrfbEKqjpZTGVUacqU7OHako/WiDHBkLa3GSv1m+KQTctJvAgBR WLZ4deo26aYTpkHQnxyGupbnR/YV9GgAa1Nhu3IbQ6DvhBExBto9yGnTu49FWEwEfIDKVpRHFDA mUlbqOI67X/0gwFm/6kx1bGHVe+Oa5qMosN3Saj1vpv9NpKdzsB0zTX+Cbx4iqbTRdhW/kE1saa LTG8r43SGeD0rx9UR7GJdS3G8xOPQdwAlc2GnoI4G6ZW3SmzaxOJtf4pwmlTOqrBLyLGn/z7Loh rW3twOG6kcZB+pdKAphSyF7UF4+Cl1HJd2BdOQGPK1mtlLaXgdNt1kaPlGDByyj4CrC05vlmkgf 1IX1Aeczl8u8A6z/yLA== X-Proofpoint-GUID: RU-qGqFHa4ddzF0fDEqdSxq-Yx4rsByU X-Authority-Analysis: v=2.4 cv=HqjjiETS 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=eoimf2acIAo5FJnRuUoq:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=Yc3q67t5xzoVBN05MFIA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: RU-qGqFHa4ddzF0fDEqdSxq-Yx4rsByU 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 lowpriorityscore=0 clxscore=1011 phishscore=0 bulkscore=0 adultscore=0 impostorscore=0 suspectscore=0 spamscore=0 malwarescore=0 priorityscore=1501 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 [...]