From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932830AbaAaPIF (ORCPT ); Fri, 31 Jan 2014 10:08:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44717 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932722AbaAaPIC (ORCPT ); Fri, 31 Jan 2014 10:08:02 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Shreyas Bhatewara , "VMware, Inc." , netdev@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 34/34] vmxnet3: Use pci_enable_msix_range() Date: Fri, 31 Jan 2014 16:08:53 +0100 Message-Id: <3407b374f3926408fde736674b5dce4841c50fa6.1391172839.git.agordeev@redhat.com> 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 --- drivers/net/vmxnet3/vmxnet3_drv.c | 47 +++++++++++++++---------------------- 1 files changed, 19 insertions(+), 28 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 3a17797..9275c8c 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2738,35 +2738,26 @@ vmxnet3_read_mac_addr(struct vmxnet3_adapter *adapter, u8 *mac) static int vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter, int nvec) { - do { - int err = pci_enable_msix(adapter->pdev, - adapter->intr.msix_entries, nvec); - if (!err) { - return nvec; - } else if (err < 0) { - dev_err(&adapter->netdev->dev, - "Failed to enable MSI-X, error: %d\n", err); - return err; - } else if (err < VMXNET3_LINUX_MIN_MSIX_VECT) { - dev_info(&adapter->pdev->dev, - "Number of MSI-X which can be allocated " - "is lower than min threshold required.\n"); - return -ENOSPC; - } else { - /* If fails to enable required number of MSI-x vectors - * try enabling minimum number of vectors required. - */ - dev_err(&adapter->netdev->dev, - "Failed to enable %d MSI-X, trying %d\n", - nvec, VMXNET3_LINUX_MIN_MSIX_VECT); - nvec = VMXNET3_LINUX_MIN_MSIX_VECT; - } - } while (nvec >= VMXNET3_LINUX_MIN_MSIX_VECT); + int ret = pci_enable_msix_range(adapter->pdev, + adapter->intr.msix_entries, nvec, nvec); - /* - * Should never get here - */ - return -ENOSPC; + if (ret == -ENOSPC && nvec > VMXNET3_LINUX_MIN_MSIX_VECT) { + dev_err(&adapter->netdev->dev, + "Failed to enable %d MSI-X, trying %d\n", + nvec, VMXNET3_LINUX_MIN_MSIX_VECT); + + ret = pci_enable_msix_range(adapter->pdev, + adapter->intr.msix_entries, + VMXNET3_LINUX_MIN_MSIX_VECT, + VMXNET3_LINUX_MIN_MSIX_VECT); + } + + if (ret < 0) { + dev_err(&adapter->netdev->dev, + "Failed to enable MSI-X, error: %d\n", ret); + } + + return ret; } -- 1.7.7.6