2014-01-31 15:07:47

by Alexander Gordeev

[permalink] [raw]
Subject: [PATCH 19/34] mlx5: Use pci_enable_msix_range()

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 <[email protected]>
---
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