diff options
| author | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-14 22:31:55 -0400 |
| commit | 85dcce7a73f1cc59f7a96fe52713b1630f4ca272 (patch) | |
| tree | 6c645923eb2f0152073b90685ce80e46cfb7afed /drivers/net/ethernet/mellanox/mlx4/main.c | |
| parent | 4c4e4113db249c828fffb286bc95ffb255e081f5 (diff) | |
| parent | a4ecdf82f8ea49f7d3a072121dcbd0bf3a7cb93a (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/usb/r8152.c
drivers/net/xen-netback/netback.c
Both the r8152 and netback conflicts were simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 4c441aa83016..abd0b1d277aa 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -149,6 +149,8 @@ struct mlx4_port_config { struct pci_dev *pdev; }; +static atomic_t pf_loading = ATOMIC_INIT(0); + int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type) { @@ -748,7 +750,7 @@ static void mlx4_request_modules(struct mlx4_dev *dev) has_eth_port = true; } - if (has_ib_port) + if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) request_module_nowait(IB_DRV_NAME); if (has_eth_port) request_module_nowait(EN_DRV_NAME); @@ -1406,6 +1408,11 @@ static int mlx4_init_slave(struct mlx4_dev *dev) u32 slave_read; u32 cmd_channel_ver; + if (atomic_read(&pf_loading)) { + mlx4_warn(dev, "PF is not ready. Deferring probe\n"); + return -EPROBE_DEFER; + } + mutex_lock(&priv->cmd.slave_cmd_mutex); priv->cmd.max_cmds = 1; mlx4_warn(dev, "Sending reset\n"); @@ -2311,7 +2318,11 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data) if (num_vfs) { mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", num_vfs); + + atomic_inc(&pf_loading); err = pci_enable_sriov(pdev, num_vfs); + atomic_dec(&pf_loading); + if (err) { mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d).\n", err); @@ -2676,6 +2687,7 @@ static struct pci_driver mlx4_driver = { .name = DRV_NAME, .id_table = mlx4_pci_table, .probe = mlx4_init_one, + .shutdown = mlx4_remove_one, .remove = mlx4_remove_one, .err_handler = &mlx4_err_handler, }; |