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SubjectRE: [PATCH 11/34] benet: Use pci_enable_msix_range()
Date
> -----Original Message-----
> From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org] On Behalf
> Of Alexander Gordeev
>
> 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 <agordeev@redhat.com>

Acked-by: Sathya Perla < sathya.perla@emulex.com>

> ---
> drivers/net/ethernet/emulex/benet/be_main.c | 31 +++++++++++---------------
> 1 files changed, 13 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/net/ethernet/emulex/benet/be_main.c
> b/drivers/net/ethernet/emulex/benet/be_main.c
> index 04ac9c6..f55c09b 100644
> --- a/drivers/net/ethernet/emulex/benet/be_main.c
> +++ b/drivers/net/ethernet/emulex/benet/be_main.c
> @@ -2505,7 +2505,7 @@ static void be_msix_disable(struct be_adapter *adapter)
>
> static int be_msix_enable(struct be_adapter *adapter)
> {
> - int i, status, num_vec;
> + int i, num_vec;
> struct device *dev = &adapter->pdev->dev;
>
> /* If RoCE is supported, program the max number of NIC vectors that
> @@ -2521,24 +2521,11 @@ static int be_msix_enable(struct be_adapter *adapter)
> for (i = 0; i < num_vec; i++)
> adapter->msix_entries[i].entry = i;
>
> - status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec);
> - if (status == 0) {
> - goto done;
> - } else if (status >= MIN_MSIX_VECTORS) {
> - num_vec = status;
> - status = pci_enable_msix(adapter->pdev, adapter->msix_entries,
> - num_vec);
> - if (!status)
> - goto done;
> - }
> + num_vec = pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
> + MIN_MSIX_VECTORS, num_vec);
> + if (num_vec < 0)
> + goto fail;
>
> - dev_warn(dev, "MSIx enable failed\n");
> -
> - /* INTx is not supported in VFs, so fail probe if enable_msix fails */
> - if (!be_physfn(adapter))
> - return status;
> - return 0;
> -done:
> if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) {
> adapter->num_msix_roce_vec = num_vec / 2;
> dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n",
> @@ -2550,6 +2537,14 @@ done:
> dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n",
> adapter->num_msix_vec);
> return 0;
> +
> +fail:
> + dev_warn(dev, "MSIx enable failed\n");
> +
> + /* INTx is not supported in VFs, so fail probe if enable_msix fails */
> + if (!be_physfn(adapter))
> + return num_vec;
> + return 0;
> }
>
> static inline int be_msix_vec_get(struct be_adapter *adapter,
> --
> 1.7.7.6
>
> --
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