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GET /api/patches/2200191/?format=api
{ "id": 2200191, "url": "http://patchwork.ozlabs.org/api/patches/2200191/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260224111044.3487873-3-mika.westerberg@linux.intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260224111044.3487873-3-mika.westerberg@linux.intel.com>", "list_archive_url": null, "date": "2026-02-24T11:10:41", "name": "[2/5] igc: Let the PCI core deal with the PM resume flow", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "400b4f53832a717c97d86bcc480c2b0568dc6885", "submitter": { "id": 14534, "url": "http://patchwork.ozlabs.org/api/people/14534/?format=api", "name": "Mika Westerberg", "email": "mika.westerberg@linux.intel.com" }, "delegate": { "id": 109701, "url": "http://patchwork.ozlabs.org/api/users/109701/?format=api", "username": "anguy11", "first_name": "Anthony", "last_name": "Nguyen", "email": "anthony.l.nguyen@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260224111044.3487873-3-mika.westerberg@linux.intel.com/mbox/", "series": [ { "id": 493142, "url": "http://patchwork.ozlabs.org/api/series/493142/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=493142", "date": "2026-02-24T11:10:41", "name": "PCI / igc: Improvements related to PTM enabling", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/493142/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2200191/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2200191/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=wD2AZqew;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::137; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 4B59A41BF5", "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 7B18F41BEC" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1771931453;\n\tbh=IWOtAtRk99BDMMRXlOw9HFRfBcWZLiVREWuDyF92Tq0=;\n\th=From:To:Cc:Date:In-Reply-To:References:Subject:List-Id:\n\t List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:\n\t From;\n\tb=wD2AZqewMpaZIDo726hDavHN/axgFUOrgHb9ejRdieTpAjj+WPgTUPTVkf8RDbJ+H\n\t cSed/s+28PKRlycWa1MclqGbEFv7CiFIv8kJ4M/Woh8+2rnc6n7FGGqhD8RLv3hkHo\n\t 7pMHCeWGRzwUtv2xcftZAUdGzHXWBIMzepZBKfyQUUM6Q7uPTU2upbWbPj6VI/SN5B\n\t 3VV/iz2EATrGd4G+TcNyfRyYCU7qaDTyH3Rc5yh/9+/XKJ2wjVQnmjPaAoWV3YGjjs\n\t KfkKr51VEGDE99mvHpgM1n3fH19nSDa/AoiimMwjOr0/sfJT5D3LLrrtnCGKI40Px/\n\t FCdnlVfeMo3mA==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=192.198.163.19;\n helo=mgamail.intel.com; envelope-from=mika.westerberg@linux.intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp4.osuosl.org 7B18F41BEC", "X-CSE-ConnectionGUID": [ "Lc18+Lf8QbOuq4qr8zWNbQ==", "yNqYtachR4mFbLJVV8acEg==" ], "X-CSE-MsgGUID": [ "LUZgTVcmQ4SKP25/VOeBZw==", "GbPWuUYeR2aUblceRzNGPA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11710\"; a=\"71974261\"", "E=Sophos;i=\"6.21,308,1763452800\"; d=\"scan'208\";a=\"71974261\"", "E=Sophos;i=\"6.21,308,1763452800\"; d=\"scan'208\";a=\"216037798\"" ], "X-ExtLoop1": "1", "From": "Mika Westerberg <mika.westerberg@linux.intel.com>", "To": "linux-pci@vger.kernel.org", "Cc": "intel-wired-lan@lists.osuosl.org, Bjorn Helgaas <bhelgaas@google.com>,\n Lukas Wunner <lukas@wunner.de>, Tony Nguyen <anthony.l.nguyen@intel.com>,\n Przemek Kitszel <przemyslaw.kitszel@intel.com>,\n Andrew Lunn <andrew+netdev@lunn.ch>,\n \"David S . Miller\" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,\n Paolo Abeni <pabeni@redhat.com>, Saeed Mahameed <saeedm@nvidia.com>,\n Leon Romanovsky <leon@kernel.org>, Tariq Toukan <tariqt@nvidia.com>,\n Mark Bloch <mbloch@nvidia.com>, Richard Cochran <richardcochran@gmail.com>,\n Andy Shevchenko <andriy.shevchenko@intel.com>,\n Vitaly Lifshits <vitaly.lifshits@intel.com>,\n =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>,\n Vinicius Costa Gomes <vinicius.gomes@intel.com>,\n Dima Ruinskiy <dima.ruinskiy@intel.com>,\n Mika Westerberg <mika.westerberg@linux.intel.com>", "Date": "Tue, 24 Feb 2026 12:10:41 +0100", "Message-ID": "<20260224111044.3487873-3-mika.westerberg@linux.intel.com>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260224111044.3487873-1-mika.westerberg@linux.intel.com>", "References": "<20260224111044.3487873-1-mika.westerberg@linux.intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1771931451; x=1803467451;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=R+QtiOPuFfp3S5QbZO4NvSZNp52rBIcTtfnP5DXv4+Q=;\n b=OlnVn07P1lScmkJq9DyX+aTSYfVQECRa7qC7ySuaSfjlis7qxGUy9+VI\n qUDUzg8RNpfC+qAbL35UbKYY5U3qXNCMn7Zn/V3frBviH0QlzYvRSPawf\n b1/zzranHuk3Hl6sUlidzA8Xju+NH/XPTYpGcccA0sDjYz0TM8RenzrZy\n IFmzn8zbNDaLRuDWS1rxzpPJsFtlYptXrXYONpiK5duIQ5F/kpH6PhAyf\n UnYdAN1mIw+xIg1t7dt/8g7JCdLQGhRLH+4PxtyNPW5r1AawsQgDargbP\n YLB5K+wMq4wtfK7U4jckBNOqk23vdktByqLd4rzapb0tQUnpIUYfv24IH\n Q==;", "X-Mailman-Original-Authentication-Results": [ "smtp4.osuosl.org;\n dmarc=none (p=none dis=none)\n header.from=linux.intel.com", "smtp4.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=OlnVn07P" ], "Subject": "[Intel-wired-lan] [PATCH 2/5] igc: Let the PCI core deal with the\n PM resume flow", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Currently igc driver calls pci_set_power_state() and pci_restore_state()\nand the like to bring the device back from low power states. However,\nPCI core handles all this on behalf of the driver. Furthermore with PTM\nenabled the PCI core re-enables it on resume but the driver calls\npci_restore_state() which ends up disabling it again.\n\nFor this reason let the PCI core handle the common PM resume flow.\n\nSigned-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>\nReviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>\n---\n drivers/net/ethernet/intel/igc/igc_main.c | 6 ------\n 1 file changed, 6 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c\nindex 7ffd34bfa14e..99a4c99ddd57 100644\n--- a/drivers/net/ethernet/intel/igc/igc_main.c\n+++ b/drivers/net/ethernet/intel/igc/igc_main.c\n@@ -7526,9 +7526,6 @@ static int __igc_resume(struct device *dev)\n \tstruct igc_hw *hw = &adapter->hw;\n \tu32 err, val;\n \n-\tpci_set_power_state(pdev, PCI_D0);\n-\tpci_restore_state(pdev);\n-\n \tif (!pci_device_is_present(pdev))\n \t\treturn -ENODEV;\n \terr = pci_enable_device_mem(pdev);\n@@ -7538,9 +7535,6 @@ static int __igc_resume(struct device *dev)\n \t}\n \tpci_set_master(pdev);\n \n-\tpci_enable_wake(pdev, PCI_D3hot, 0);\n-\tpci_enable_wake(pdev, PCI_D3cold, 0);\n-\n \tif (igc_is_device_id_i226(hw))\n \t\tpci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);\n \n", "prefixes": [ "2/5" ] }