From patchwork Mon Apr 14 08:05:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 338858 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 118EF1400FC for ; Mon, 14 Apr 2014 18:13:49 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754469AbaDNIEs (ORCPT ); Mon, 14 Apr 2014 04:04:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30820 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754451AbaDNIEn (ORCPT ); Mon, 14 Apr 2014 04:04:43 -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 s3E84ZD7000444 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Apr 2014 04:04:35 -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 s3E83wdZ024046; Mon, 14 Apr 2014 04:04:33 -0400 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , xjtuwjp@gmail.com, lindar_liu@usish.com, linux-scsi@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH v2 RESEND 18/23] pm8001: Use pci_enable_msix_exact() instead of pci_enable_msix() Date: Mon, 14 Apr 2014 10:05:42 +0200 Message-Id: <47cb5bf9c2ff7628a96122d6c7263c12fa6dd455.1397461652.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. Signed-off-by: Alexander Gordeev Cc: xjtuwjp@gmail.com Cc: lindar_liu@usish.com Cc: linux-scsi@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/scsi/pm8001/pm8001_init.c | 39 +++++++++++++++++++------------------ 1 files changed, 20 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index df421f5..1d3c02d 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -725,34 +725,35 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) sizeof(pm8001_ha->msix_entries[0]); for (i = 0; i < max_entry ; i++) pm8001_ha->msix_entries[i].entry = i; - rc = pci_enable_msix(pm8001_ha->pdev, pm8001_ha->msix_entries, + rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries, number_of_intr); pm8001_ha->number_of_intr = number_of_intr; - if (!rc) { - PM8001_INIT_DBG(pm8001_ha, pm8001_printk( - "pci_enable_msix request ret:%d no of intr %d\n", - rc, pm8001_ha->number_of_intr)); + if (rc) + return rc; + PM8001_INIT_DBG(pm8001_ha, pm8001_printk( + "pci_enable_msix_exact request ret:%d no of intr %d\n", + rc, pm8001_ha->number_of_intr)); - for (i = 0; i < number_of_intr; i++) { - snprintf(intr_drvname[i], sizeof(intr_drvname[0]), - DRV_NAME"%d", i); - pm8001_ha->irq_vector[i].irq_id = i; - pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; + for (i = 0; i < number_of_intr; i++) { + snprintf(intr_drvname[i], sizeof(intr_drvname[0]), + DRV_NAME"%d", i); + pm8001_ha->irq_vector[i].irq_id = i; + pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; - rc = request_irq(pm8001_ha->msix_entries[i].vector, - pm8001_interrupt_handler_msix, flag, - intr_drvname[i], &(pm8001_ha->irq_vector[i])); - if (rc) { - for (j = 0; j < i; j++) - free_irq( - pm8001_ha->msix_entries[j].vector, + rc = request_irq(pm8001_ha->msix_entries[i].vector, + pm8001_interrupt_handler_msix, flag, + intr_drvname[i], &(pm8001_ha->irq_vector[i])); + if (rc) { + for (j = 0; j < i; j++) { + free_irq(pm8001_ha->msix_entries[j].vector, &(pm8001_ha->irq_vector[i])); - pci_disable_msix(pm8001_ha->pdev); - break; } + pci_disable_msix(pm8001_ha->pdev); + break; } } + return rc; } #endif