{"id":2228570,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2228570/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260427035341.1425576-4-superm1@kernel.org/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.2/projects/28/?format=json","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,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260427035341.1425576-4-superm1@kernel.org>","list_archive_url":null,"date":"2026-04-27T03:53:39","name":"[3/5] PCI/PM: Run bridge power up actions as part of restore phase","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"15b86971b4386293e0bc24b1589ec0b212ec4304","submitter":{"id":88834,"url":"http://patchwork.ozlabs.org/api/1.2/people/88834/?format=json","name":"Mario Limonciello","email":"superm1@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260427035341.1425576-4-superm1@kernel.org/mbox/","series":[{"id":501568,"url":"http://patchwork.ozlabs.org/api/1.2/series/501568/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=501568","date":"2026-04-27T03:53:41","name":"Improvements to PCI hibernate path","version":1,"mbox":"http://patchwork.ozlabs.org/series/501568/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228570/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228570/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=AW7RDIri;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777262029; cv=none;\n b=LnuwxK6nXHzFiIF2XDbSfw+miJF1Q+D5h40Zf+ZcPdjCi5OAh7Krb1V0uif8NDgE8SVj9GNwlr+Uj1bdqYYo5P8Opm/RSDT6AhxsE+s56C2jgnSyUx2ie7SNFQH2/QhdpRRx87YJewOd9Dau4Twux7hgoo2rrp+FdJbLZ+FFsmk=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777262029; c=relaxed/simple;\n\tbh=jsEb1yLjA2XTL0QV8lS7eXoA5i4gmq03FD7bi6mGHC0=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=bsAOzZVFOXHubFLVG0Hl3iQXLrLst+qRi8H7tJ/9NW7R7PD+QC+IYFNvdyx7/EJPFdzk61WHKdQnlekT7DWbr1BUJoXR4ivnmgApRBXBUQxz8GoRv+yZr2cvqYClx5QiDkE/cQ3dqzKWlJvA2iDYH0+ipSgdgoWwW0zwrMhGcvY=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=AW7RDIri; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777262029;\n\tbh=jsEb1yLjA2XTL0QV8lS7eXoA5i4gmq03FD7bi6mGHC0=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=AW7RDIri5j6c1te6kR0SWB2Mqdw70uESFJPnqpN44RskdAaXg1lnYqrJjU0qLMVY4\n\t Sh0vNRv8DT7EQX9MLmNhF0Tm+z0N7Bckjcbb0nzdu2+P7w9rkwSZiyQTJh98R2rLpI\n\t azJDQTX2DdDLw38kfF5o3iu7X1glsEC5FG3C+/RaYdU3RM+1G3HPabfzTkixl2NS2d\n\t MviLr0RmTGHT+HuP7xKK6KYtTdAQsa9ZczHJ/2aLmbNmNadalEu2UIf1Q/Vt54PC7V\n\t vQBp4F2CyepWQJ7g+d40P2LrXdd+fUZzIAeQnL+qbGhUt+mkb56pIpn0hajG68oAkD\n\t 7miqXPnAfLzJA==","From":"\"Mario Limonciello (AMD)\" ","To":"Bjorn Helgaas ,\n\tlinux-pci@vger.kernel.org (open list:PCI SUBSYSTEM)","Cc":"linux-pci@vger.kernel.org (open list:PCI SUBSYSTEM),\n\tlinux-kernel@vger.kernel.org (open list),\n\t\"Rafael J . Wysocki\" ,\n\tLukas Wunner ,\n\t\"Mario Limonciello (AMD)\" ,\n\tEric Naim ","Subject":"[PATCH 3/5] PCI/PM: Run bridge power up actions as part of restore\n phase","Date":"Sun, 26 Apr 2026 22:53:39 -0500","Message-ID":"<20260427035341.1425576-4-superm1@kernel.org>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260427035341.1425576-1-superm1@kernel.org>","References":"<20260427035341.1425576-1-superm1@kernel.org>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"Suspend resume actions will check the state of the device and whether\nbus PM should be skipped. These same actions make sense during hibernation\nimage restore. Apply them there as well.\n\nTested-by: Eric Naim \nSigned-off-by: Mario Limonciello (AMD) \n---\n drivers/pci/pci-driver.c | 5 +++++\n 1 file changed, 5 insertions(+)","diff":"diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c\nindex bfb521eb0eed7..793af4af2971b 100644\n--- a/drivers/pci/pci-driver.c\n+++ b/drivers/pci/pci-driver.c\n@@ -1273,10 +1273,15 @@ static int pci_pm_restore_noirq(struct device *dev)\n {\n \tstruct pci_dev *pci_dev = to_pci_dev(dev);\n \tconst struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;\n+\tpci_power_t prev_state = pci_dev->current_state;\n+\tbool skip_bus_pm = pci_dev->skip_bus_pm;\n \n \tpci_pm_default_resume_early(pci_dev);\n \tpci_fixup_device(pci_fixup_resume_early, pci_dev);\n \n+\tif (!skip_bus_pm && prev_state == PCI_D3cold)\n+\t\tpci_pm_bridge_power_up_actions(pci_dev);\n+\n \tif (pci_has_legacy_pm_support(pci_dev))\n \t\treturn 0;\n \n","prefixes":["3/5"]}