From patchwork Mon Mar 22 16:18:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinicius Costa Gomes X-Patchwork-Id: 12155445 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45D1FC433E1 for ; Mon, 22 Mar 2021 16:20:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D4AA6198D for ; Mon, 22 Mar 2021 16:20:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231777AbhCVQTw (ORCPT ); Mon, 22 Mar 2021 12:19:52 -0400 Received: from mga05.intel.com ([192.55.52.43]:59644 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231767AbhCVQTt (ORCPT ); Mon, 22 Mar 2021 12:19:49 -0400 IronPort-SDR: e94Db2FVMEoouvVs4uFFwrS6Xp3bp6akBxZYG0p4p0/yQp3rsOgK4xyyO6Z+oiLLZTuMzHQzOD oFyYO74kczqg== X-IronPort-AV: E=McAfee;i="6000,8403,9931"; a="275400837" X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="275400837" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 09:19:25 -0700 IronPort-SDR: Y0nqPO82in7nxWUP88qKPMGpluHGuVATp+KHApGvzkz+FlnDXh0tUxvvz2h8y46Zn3lCNy4kuP v76dPUjw4m6g== X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="407893528" Received: from canguven-mobl1.amr.corp.intel.com (HELO localhost.localdomain) ([10.255.87.118]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 09:19:24 -0700 From: Vinicius Costa Gomes To: intel-wired-lan@lists.osuosl.org Cc: Vinicius Costa Gomes , sasha.neftin@intel.com, anthony.l.nguyen@intel.com, linux-pci@vger.kernel.org, bhelgaas@google.com, netdev@vger.kernel.org, mlichvar@redhat.com, richardcochran@gmail.com Subject: [PATCH next-queue v3 2/3] igc: Enable PCIe PTM Date: Mon, 22 Mar 2021 09:18:21 -0700 Message-Id: <20210322161822.1546454-3-vinicius.gomes@intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210322161822.1546454-1-vinicius.gomes@intel.com> References: <20210322161822.1546454-1-vinicius.gomes@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org In practice, enabling PTM also sets the enabled_ptm flag in the PCI device, the flag will be used for detecting if PTM is enabled before adding support for the SYSOFFSET_PRECISE ioctl() (which is added by implementing the getcrosststamp() PTP function). Signed-off-by: Vinicius Costa Gomes --- drivers/net/ethernet/intel/igc/igc_main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index f77feadde8d2..04319ffae288 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -12,6 +12,8 @@ #include #include #include +#include + #include #include "igc.h" @@ -5792,6 +5794,10 @@ static int igc_probe(struct pci_dev *pdev, pci_enable_pcie_error_reporting(pdev); + err = pci_enable_ptm(pdev, NULL); + if (err < 0) + dev_err(&pdev->dev, "PTM not supported\n"); + pci_set_master(pdev); err = -ENOMEM;