From patchwork Mon Feb 24 08:02:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 3707611 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 2E16BBF13A for ; Mon, 24 Feb 2014 08:17:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 55A6720120 for ; Mon, 24 Feb 2014 08:17:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C06C20117 for ; Mon, 24 Feb 2014 08:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752161AbaBXIAv (ORCPT ); Mon, 24 Feb 2014 03:00:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:24339 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752142AbaBXIAt (ORCPT ); Mon, 24 Feb 2014 03:00:49 -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 s1O80lff011824 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 24 Feb 2014 03:00:48 -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 s1O80RgQ015384; Mon, 24 Feb 2014 03:00:46 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Anil Gurumurthy , Vijaya Mohan Guvva , linux-scsi@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH v2 04/23] bfa: Use pci_enable_msix_exact() instead of pci_enable_msix() Date: Mon, 24 Feb 2014 09:02:04 +0100 Message-Id: <0b55d0b643b1fd831a32c17030b1fc11c011a802.1393191330.git.agordeev@redhat.com> 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=-6.9 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() or pci_enable_msi_exact() and pci_enable_msix_range() or pci_enable_msix_exact() interfaces. Signed-off-by: Alexander Gordeev Cc: Anil Gurumurthy Cc: Vijaya Mohan Guvva Cc: linux-scsi@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/scsi/bfa/bfad.c | 18 +++++------------- 1 files changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index e7e4774..b7b0733 100644 --- a/drivers/scsi/bfa/bfad.c +++ b/drivers/scsi/bfa/bfad.c @@ -1234,26 +1234,18 @@ bfad_setup_intr(struct bfad_s *bfad) if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { - error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); + error = pci_enable_msix_exact(bfad->pcidev, + msix_entries, bfad->nvec); /* In CT1 & CT2, try to allocate just one vector */ - if (error > 0 && bfa_asic_id_ctc(pdev->device)) { + if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) { printk(KERN_WARNING "bfa %s: trying one msix " "vector failed to allocate %d[%d]\n", bfad->pci_name, bfad->nvec, error); bfad->nvec = 1; - error = pci_enable_msix(bfad->pcidev, - msix_entries, bfad->nvec); + error = pci_enable_msix_exact(bfad->pcidev, + msix_entries, 1); } - /* - * Only error number of vector is available. - * We don't have a mechanism to map multiple - * interrupts into one vector, so even if we - * can try to request less vectors, we don't - * know how to associate interrupt events to - * vectors. Linux doesn't duplicate vectors - * in the MSIX table for this case. - */ if (error) { printk(KERN_WARNING "bfad%d: " "pci_enable_msix failed (%d), "