From patchwork Fri Jan 31 15:08:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 3562371 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DE00BC02DC for ; Fri, 31 Jan 2014 15:16:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7CA72021A for ; Fri, 31 Jan 2014 15:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A865520200 for ; Fri, 31 Jan 2014 15:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932594AbaAaPHd (ORCPT ); Fri, 31 Jan 2014 10:07:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:16768 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932436AbaAaPH2 (ORCPT ); Fri, 31 Jan 2014 10:07:28 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s0VF7K3i006406 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 31 Jan 2014 10:07:20 -0500 Received: from dhcp-26-207.brq.redhat.com (dhcp-27-68.brq.redhat.com [10.34.27.68]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s0VF6u2T027223; Fri, 31 Jan 2014 10:07:18 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Jeff Kirsher , Jesse Brandeburg , e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 13/34] i40e: Use pci_enable_msix_range() Date: Fri, 31 Jan 2014 16:08:32 +0100 Message-Id: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As result of deprecation of MSI-X/MSI enablement functions pci_enable_msix() and pci_enable_msi_block() all drivers using these two interfaces need to be updated to use the new pci_enable_msi_range() and pci_enable_msix_range() interfaces. Signed-off-by: Alexander Gordeev --- drivers/net/ethernet/intel/i40e/i40e_main.c | 33 +++++---------------------- 1 files changed, 6 insertions(+), 27 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index a4b9408..89d7fce 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -5849,37 +5849,16 @@ err_out: **/ static int i40e_reserve_msix_vectors(struct i40e_pf *pf, int vectors) { - int err = 0; - - pf->num_msix_entries = 0; - while (vectors >= I40E_MIN_MSIX) { - err = pci_enable_msix(pf->pdev, pf->msix_entries, vectors); - if (err == 0) { - /* good to go */ - pf->num_msix_entries = vectors; - break; - } else if (err < 0) { - /* total failure */ - dev_info(&pf->pdev->dev, - "MSI-X vector reservation failed: %d\n", err); - vectors = 0; - break; - } else { - /* err > 0 is the hint for retry */ - dev_info(&pf->pdev->dev, - "MSI-X vectors wanted %d, retrying with %d\n", - vectors, err); - vectors = err; - } - } - - if (vectors > 0 && vectors < I40E_MIN_MSIX) { + vectors = pci_enable_msix_range(pf->pdev, pf->msix_entries, + I40E_MIN_MSIX, vectors); + if (vectors < 0) { dev_info(&pf->pdev->dev, - "Couldn't get enough vectors, only %d available\n", - vectors); + "MSI-X vector reservation failed: %d\n", vectors); vectors = 0; } + pf->num_msix_entries = vectors; + return vectors; }