[PATCH net-next 19/35] mlx5: Use pci_enable_msix_range() instead of pci_enable_msix()

[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 <agord...@redhat.com>
Cc: Eli Cohen <e...@mellanox.com>
Cc: linux-rdma@vger.kernel.org
Cc: net...@vger.kernel.org
Cc: linux-...@vger.kernel.org
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c |   16 +++++-----------
 1 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index a064f06..81df046 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -116,7 +116,6 @@ static int mlx5_enable_msix(struct mlx5_core_dev *dev)
        struct mlx5_eq_table *table = &dev->priv.eq_table;
        int num_eqs = 1 << dev->caps.log_max_eq;
        int nvec;
-       int err;
        int i;
 
        nvec = dev->caps.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE;
@@ -131,17 +130,12 @@ static int mlx5_enable_msix(struct mlx5_core_dev *dev)
        for (i = 0; i < nvec; i++)
                table->msix_arr[i].entry = i;
 
-retry:
-       table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE;
-       err = pci_enable_msix(dev->pdev, table->msix_arr, nvec);
-       if (err <= 0) {
-               return err;
-       } else if (err > 2) {
-               nvec = err;
-               goto retry;
-       }
+       nvec = pci_enable_msix_range(dev->pdev, table->msix_arr,
+                                    MLX5_EQ_VEC_COMP_BASE, nvec);
+       if (nvec < 0)
+               return nvec;
 
-       mlx5_core_dbg(dev, "received %d MSI vectors out of %d requested\n", 
err, nvec);
+       table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE;
 
        return 0;
 }
-- 
1.7.7.6

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