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GET /api/1.1/patches/2230805/?format=api
{ "id": 2230805, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230805/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com>", "date": "2026-04-30T04:42:18", "name": "pci: quirks: Advertise D3cold capability for UPD720201", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "99ebf5c762e0a366cca90fb157467f1acdad4892", "submitter": { "id": 92178, "url": "http://patchwork.ozlabs.org/api/1.1/people/92178/?format=api", "name": "Sushrut Shree Trivedi", "email": "sushrut.trivedi@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com/mbox/", "series": [ { "id": 502189, "url": "http://patchwork.ozlabs.org/api/1.1/series/502189/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=502189", "date": "2026-04-30T04:42:18", "name": "pci: quirks: Advertise D3cold capability for UPD720201", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502189/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230805/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230805/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-pci+bounces-53444-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=leZfJTYc;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=LEiF1sJT;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260430-d3cold_support-v1-1-6734f280c481@oss.qualcomm.com>", "X-B4-Tracking": "v=1; b=H4sIAKnd8mkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE\n vPSU3UzU4B8JSMDIzMDE2MD3RTj5PyclPji0oKC/KISXWOzlOQ0MwNDQ1NzQyWgpoKi1LTMCrC\n B0bG1tQCfPm64YAAAAA==", "To": "Bjorn Helgaas <bhelgaas@google.com>", "Cc": "linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,\n Sushrut Shree Trivedi <sushrut.trivedi@oss.qualcomm.com>", "X-Mailer": "b4 0.13.0", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1777524140; l=1483;\n i=sushrut.trivedi@oss.qualcomm.com; s=20251127; h=from:subject:message-id;\n bh=vGgZxq8aamHl6zJ4qm8ME9XtEuUqf/lSF2MLRyxVmG4=;\n b=R2dzp705P8lrLk5a3j7OELUvHDWHr2WDtCyLYF03iNyb1j47vmchOeiActNR8gfBhpKfejMKR\n AQiEbTCe5v9A3xutTuDIauVojOFlg7tBGMDa3otT2zmTmkuknHl1Nax", "X-Developer-Key": "i=sushrut.trivedi@oss.qualcomm.com; a=ed25519;\n pk=OrUHTxBaSg1oY3CtCictJ5A4bDMNLRZS1S+QfD9pdjw=", "X-Proofpoint-GUID": "qs2YTCUo99PqEvxNnwyvPcpFkyBbXGNT", "X-Authority-Analysis": "v=2.4 cv=dOyWXuZb c=1 sm=1 tr=0 ts=69f2ddb0 cx=c_pps\n a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17\n a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22\n a=EUspDBNiAAAA:8 a=s2POf3137QwqGv_6KJUA:9 a=QEXdDO2ut3YA:10\n a=1OuFwYUASf3TG4hYMiVC:22", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDMwMDA0NCBTYWx0ZWRfX4GiP9gMg8r1R\n SWoXwyB61UuPY5VaZBL7lqaNGhMSNaqNx/mwCPL1QlImyqFfVLYysQ9QZ648U2fUFLYUTxrFz01\n 9/TPyA0ADBFKqygKe/xichMNCpOjbID+EtGAxeX0Z3fE5u5xq7Xm5IaAOPct4lGljmEzoZOpvYc\n 2L/IvbKz/iTPON69xA3VreEPlKdZwvoeqkewyoMBFFfBr8lmluPV/Kv6etbfBJBRCEVBb4E+XF9\n jWLtsx5Mo5bvnLXsVwrq1iCxhtw2jOOS0r5yppMzwMvKdb2I8bj1V6tJyKYfLpR7jTj24zAWA0O\n 8R4QDlSSPCPeTYQ1AjZwteSrK/ExkCTBco5qzS6JumJBdzid8Liy82uuUt7hUOFCxNk1amvuCe3\n yZkI877gAuGgiMPafg35necT1k/wImnlcxkgC0Cy3rNcvY104tG0ONmWfpp2RXbFVYAFJHWE6+f\n I8TstZgmVWD2qeqm0UA==", "X-Proofpoint-ORIG-GUID": "qs2YTCUo99PqEvxNnwyvPcpFkyBbXGNT", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-30_01,2026-04-28_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n impostorscore=0 malwarescore=0 adultscore=0 spamscore=0 lowpriorityscore=0\n bulkscore=0 suspectscore=0 priorityscore=1501 phishscore=0 clxscore=1011\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604300044" }, "content": "PCIe-to-USB bridge UPD720201 does not advertise D3cold\nsupport until firmware is loaded post pci enumeration.\nThis results in upd blocking D3cold entry during system\nsuspend and causing overall failure to enter XO\nshutdown.\n\nHence, add a quirk to advertise D3cold PME capability\nsince the HW actually supports and advertises it post\nfirmware loading.\n\nSigned-off-by: Sushrut Shree Trivedi <sushrut.trivedi@oss.qualcomm.com>\n---\n drivers/pci/quirks.c | 10 ++++++++++\n 1 file changed, 10 insertions(+)\n\n\n---\nbase-commit: 0787c45ea08a13b5482e701fabc741877cf681f6\nchange-id: 20260430-d3cold_support-36dcf6011571\n\nBest regards,", "diff": "diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c\nindex caaed1a01dc0..c32617ed33aa 100644\n--- a/drivers/pci/quirks.c\n+++ b/drivers/pci/quirks.c\n@@ -6381,3 +6381,13 @@ static void pci_mask_replay_timer_timeout(struct pci_dev *pdev)\n DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_GLI, 0x9750, pci_mask_replay_timer_timeout);\n DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_GLI, 0x9755, pci_mask_replay_timer_timeout);\n #endif\n+\n+/*\n+ * Renesas PCIe-to-USB bridge UPD720201 does not advertise D3cold\n+ * capability by default until firmware is loaded post-enumeration.\n+ */\n+static void quirk_enable_d3cold(struct pci_dev *dev)\n+{\n+\tdev->pme_support = dev->pme_support | (1 << PCI_D3cold);\n+}\n+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_RENESAS, 0x0014, quirk_enable_d3cold);\n", "prefixes": [] }