From patchwork Mon Apr 14 08:05:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 338860 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1390F1400FC for ; Mon, 14 Apr 2014 18:14:24 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752211AbaDNIOH (ORCPT ); Mon, 14 Apr 2014 04:14:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:12112 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754431AbaDNIEl (ORCPT ); Mon, 14 Apr 2014 04:04:41 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3E84epC001748 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Apr 2014 04:04:40 -0400 Received: from dhcp-26-207.brq.redhat.com (dhcp-26-119.brq.redhat.com [10.34.26.119]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3E83wdc024046; Mon, 14 Apr 2014 04:04:39 -0400 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , qla2xxx-upstream@qlogic.com, linux-scsi@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH v2 RESEND 21/23] qla2xxx: Use pci_enable_msix_range() instead of pci_enable_msix() Date: Mon, 14 Apr 2014 10:05:45 +0200 Message-Id: <56843dce951ecc7ee986936d91d69a446946d42f.1397461652.git.agordeev@redhat.com> In-Reply-To: References: X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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. Log message code 0x00c6 preserved, although it is reported after successful call to pci_enable_msix_range(), not before possibly unsuccessful call to pci_enable_msix(). Consumers of the error code should not notice the difference. Signed-off-by: Alexander Gordeev Cc: qla2xxx-upstream@qlogic.com Cc: linux-scsi@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/scsi/qla2xxx/qla_isr.c | 27 +++++++++++---------------- 1 files changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 95314ef..41eb0dc 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2918,27 +2918,22 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) for (i = 0; i < ha->msix_count; i++) entries[i].entry = i; - ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); - if (ret) { - if (ret < MIN_MSIX_COUNT) - goto msix_failed; - + ret = pci_enable_msix_range(ha->pdev, + entries, MIN_MSIX_COUNT, ha->msix_count); + if (ret < 0) { + ql_log(ql_log_fatal, vha, 0x00c7, + "MSI-X: Failed to enable support, " + "giving up -- %d/%d.\n", + ha->msix_count, ret); + goto msix_out; + } else if (ret < ha->msix_count) { ql_log(ql_log_warn, vha, 0x00c6, "MSI-X: Failed to enable support " "-- %d/%d\n Retry with %d vectors.\n", ha->msix_count, ret, ret); - ha->msix_count = ret; - ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); - if (ret) { -msix_failed: - ql_log(ql_log_fatal, vha, 0x00c7, - "MSI-X: Failed to enable support, " - "giving up -- %d/%d.\n", - ha->msix_count, ret); - goto msix_out; - } - ha->max_rsp_queues = ha->msix_count - 1; } + ha->msix_count = ret; + ha->max_rsp_queues = ha->msix_count - 1; ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * ha->msix_count, GFP_KERNEL); if (!ha->msix_entries) {