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Wed, 25 Feb 2026 23:44:32 -0800 (PST) Received: from [192.168.1.2] ([2401:4900:8fe5:3076:521d:50c0:367d:1d7b]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb6f0ff9sm16359635ad.84.2026.02.25.23.44.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Feb 2026 23:44:32 -0800 (PST) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: jingoohan1@gmail.com, lpieralisi@kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, Manivannan Sadhasivam Cc: robh@kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong In-Reply-To: <20260217113142.9140-1-manivannan.sadhasivam@oss.qualcomm.com> References: <20260217113142.9140-1-manivannan.sadhasivam@oss.qualcomm.com> Subject: Re: [PATCH v2] PCI: dwc: Proceed with system suspend even if the endpoint doesn't respond with PME_TO_Ack message Message-Id: <177209186922.88807.6006388594623586270.b4-ty@kernel.org> Date: Thu, 26 Feb 2026 13:14:29 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-Authority-Analysis: v=2.4 cv=XI49iAhE c=1 sm=1 tr=0 ts=699ff9e2 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=DU_XNjMczxmctojpdWoA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI2MDA2OCBTYWx0ZWRfX6PFY2Ha+6l2N 9Ns2oJFJ5xsV24ANatJr173LfXUtCtlREkpL8SNPgVRM+mb/fLp88sXNC3Xgulzaj/N+JXxtgvK k/xzotFQ4/PH3tYL7Yy1ODXybc8eQ5b2cA7nQFExMvNJelGjlGHWShrDmEcdjUMoyzJRbi/XP+X c07WEIKc2jrEzIqePTOTfmLiT5gXMDdButQVQNMi/ixTzPVVKSmEEz/MLlpHryQNZeOCESFZldI 81r+oFQ4DynhxQ8txOtJ74qLE1+/WjH5RKkgF4vaGkk7blmHT8wfq8CiOhypJ8U7WXTkDoLouc7 KsWyHFqXUBAehmHjQy3rcy7R3QTFR4r1ljrD5GQjwsHwQJ2zXixzgWAOG34BcROLmLEIfpSxV4i 1ct6Bo7hlMVYU3y5nNhZHwfrMLWeR7pXD/W4mZDUILbtbRgj7JR2IPY5SpMDDClwj/GBoNRcP2h VE07u3rrOeP64PJJ+cw== X-Proofpoint-ORIG-GUID: xSuy2AB3IM9_QtUuGSfsgk1EB_mccIHb X-Proofpoint-GUID: xSuy2AB3IM9_QtUuGSfsgk1EB_mccIHb 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=2026-02-25_04,2026-02-25_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602260068 On Tue, 17 Feb 2026 17:01:42 +0530, Manivannan Sadhasivam wrote: > PCIe spec r7.0, sec 5.3.3.2.1, recommends proceeding with L2/L3 sequence > even if one or devices do not respond with PME_TO_Ack message after 10ms > timeout. > > So just print a warning if the timeout happens and proceed with the system > suspend. > > [...] Applied, thanks! [1/1] PCI: dwc: Proceed with system suspend even if the endpoint doesn't respond with PME_TO_Ack message commit: eed390775470ff0db32cce37a681f3acc2b941c3 Best regards, -- Manivannan Sadhasivam