Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754424Ab3JBQjx (ORCPT ); Wed, 2 Oct 2013 12:39:53 -0400 Received: from 221-186-24-89.in-addr.arpa ([89.24.186.221]:24700 "EHLO dhcp-26-207.brq.redhat.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753256Ab3JBQjt (ORCPT ); Wed, 2 Oct 2013 12:39:49 -0400 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Bjorn Helgaas , Ralf Baechle , Michael Ellerman , Benjamin Herrenschmidt , Martin Schwidefsky , Ingo Molnar , Tejun Heo , Dan Williams , Andy King , Jon Mason , Matt Porter , linux-pci@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux390@de.ibm.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-ide@vger.kernel.org, iss_storagedev@hp.com, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net, linux-driver@qlogic.com, Solarflare linux maintainers , "VMware, Inc." , linux-scsi@vger.kernel.org Subject: [PATCH RFC 59/77] qla2xxx: Update MSI/MSI-X interrupts enablement code Date: Wed, 2 Oct 2013 12:49:15 +0200 Message-Id: <54f6b89372f51cd27a6adf6ecc91b8bf6bb5ba74.1380703263.git.agordeev@redhat.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1665 Lines: 49 As result of recent re-design of the MSI/MSI-X interrupts enabling pattern this driver has to be updated to use the new technique to obtain a optimal number of MSI/MSI-X interrupts required. Signed-off-by: Alexander Gordeev --- drivers/scsi/qla2xxx/qla_isr.c | 18 +++++++++++------- 1 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index df1b30b..6c11ab9 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2836,16 +2836,20 @@ 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) { + ret = pci_msix_table_size(ha->pdev); + if (ret < 0) { + goto msix_failed; + } else { if (ret < MIN_MSIX_COUNT) goto msix_failed; - 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; + 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: -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/