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GET /api/patches/631880/?format=api
{ "id": 631880, "url": "http://patchwork.ozlabs.org/api/patches/631880/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160608002043.10367-1-jacob.e.keller@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": "<20160608002043.10367-1-jacob.e.keller@intel.com>", "list_archive_url": null, "date": "2016-06-08T00:20:43", "name": "fm10k: restore D0 power state upon probe", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "b2e77b9a9a9b54bd0e4a038958e586813847d93e", "submitter": { "id": 9784, "url": "http://patchwork.ozlabs.org/api/people/9784/?format=api", "name": "Jacob Keller", "email": "jacob.e.keller@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160608002043.10367-1-jacob.e.keller@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/631880/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/631880/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3rPTcM5G0Mz9t0r\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 8 Jun 2016 10:20:50 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 5130C31172;\n\tWed, 8 Jun 2016 00:20:49 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id qu27VDBzjgHD; Wed, 8 Jun 2016 00:20:48 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby silver.osuosl.org (Postfix) with ESMTP id 86CF631133;\n\tWed, 8 Jun 2016 00:20:48 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id CB4181C2D0A\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 8 Jun 2016 00:20:47 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id C3C5331133\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 8 Jun 2016 00:20:47 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 1XF7QCiuWqRw for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 8 Jun 2016 00:20:45 +0000 (UTC)", "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n\tby silver.osuosl.org (Postfix) with ESMTP id CAC8E31143\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 8 Jun 2016 00:20:45 +0000 (UTC)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby fmsmga104.fm.intel.com with ESMTP; 07 Jun 2016 17:20:47 -0700", "from jekeller-desk.amr.corp.intel.com (HELO\n\tjekeller-desk.jekeller.internal) ([134.134.3.116])\n\tby orsmga002.jf.intel.com with ESMTP; 07 Jun 2016 17:20:45 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.26,436,1459839600\"; d=\"scan'208\";a=\"993116601\"", "From": "Jacob Keller <jacob.e.keller@intel.com>", "To": "Intel Wired LAN <intel-wired-lan@lists.osuosl.org>", "Date": "Tue, 7 Jun 2016 17:20:43 -0700", "Message-Id": "<20160608002043.10367-1-jacob.e.keller@intel.com>", "X-Mailer": "git-send-email 2.9.0.rc1.405.g81f467e", "Subject": "[Intel-wired-lan] [PATCH] fm10k: restore D0 power state upon probe", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "It seems that under some circumstances, such as after performing an\nunbind following an AER injection recovery, the power state of a VF\nisn't set to PCI_D0. Following the unbind if we attempt to bind the\ndevice, the MSI-X initialization fails due to incorrect power state.\n\nFix this by always calling pci_set_power_state(pdev, PCI_D0) on driver\ndevice probe.\n\nSigned-off-by: Jacob Keller <jacob.e.keller@intel.com>\n---\n drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c\nindex b8245c734c96..f2b7b8447cb7 100644\n--- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c\n+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c\n@@ -1975,6 +1975,8 @@ static int fm10k_probe(struct pci_dev *pdev, const struct pci_device_id *ent)\n \n \tpci_enable_pcie_error_reporting(pdev);\n \n+\tpci_set_power_state(pdev, PCI_D0);\n+\n \tpci_set_master(pdev);\n \tpci_save_state(pdev);\n \n", "prefixes": [] }