From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932999AbaAaPRe (ORCPT ); Fri, 31 Jan 2014 10:17:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54532 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932528AbaAaPHO (ORCPT ); Fri, 31 Jan 2014 10:07:14 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Casey Leedom , netdev@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 09/34] cxgb4vf: Use pci_enable_msix_range() Date: Fri, 31 Jan 2014 16:08:28 +0100 Message-Id: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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() and pci_enable_msix_range() interfaces. Signed-off-by: Alexander Gordeev --- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 34 +++++++++---------- 1 files changed, 16 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 509fed9..1d0fe9b 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -2444,7 +2444,7 @@ static void reduce_ethqs(struct adapter *adapter, int n) */ static int enable_msix(struct adapter *adapter) { - int i, err, want, need; + int i, want, need, nqsets; struct msix_entry entries[MSIX_ENTRIES]; struct sge *s = &adapter->sge; @@ -2460,25 +2460,23 @@ static int enable_msix(struct adapter *adapter) */ want = s->max_ethqsets + MSIX_EXTRAS; need = adapter->params.nports + MSIX_EXTRAS; - while ((err = pci_enable_msix(adapter->pdev, entries, want)) >= need) - want = err; - if (err == 0) { - int nqsets = want - MSIX_EXTRAS; - if (nqsets < s->max_ethqsets) { - dev_warn(adapter->pdev_dev, "only enough MSI-X vectors" - " for %d Queue Sets\n", nqsets); - s->max_ethqsets = nqsets; - if (nqsets < s->ethqsets) - reduce_ethqs(adapter, nqsets); - } - for (i = 0; i < want; ++i) - adapter->msix_info[i].vec = entries[i].vector; - } else if (err > 0) { - dev_info(adapter->pdev_dev, "only %d MSI-X vectors left," - " not using MSI-X\n", err); + want = pci_enable_msix_range(adapter->pdev, entries, need, want); + if (want < 0) + return want; + + nqsets = want - MSIX_EXTRAS; + if (nqsets < s->max_ethqsets) { + dev_warn(adapter->pdev_dev, "only enough MSI-X vectors" + " for %d Queue Sets\n", nqsets); + s->max_ethqsets = nqsets; + if (nqsets < s->ethqsets) + reduce_ethqs(adapter, nqsets); } - return err; + for (i = 0; i < want; ++i) + adapter->msix_info[i].vec = entries[i].vector; + + return 0; } static const struct net_device_ops cxgb4vf_netdev_ops = { -- 1.7.7.6