diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c index 566710d34a7b..6830a49fe682 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c @@ -345,15 +345,12 @@ static void mlx5_fw_live_patch_event(struct work_struct *work) } #if IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE) -static int mlx5_check_hotplug_interrupt(struct mlx5_core_dev *dev) +static int mlx5_check_hotplug_interrupt(struct mlx5_core_dev *dev, + struct pci_dev *bridge) { - struct pci_dev *bridge = dev->pdev->bus->self; u16 reg16; int err; - if (!bridge) - return -EOPNOTSUPP; - err = pcie_capability_read_word(bridge, PCI_EXP_SLTCTL, ®16); if (err) return err; @@ -416,9 +413,15 @@ static int mlx5_check_dev_ids(struct mlx5_core_dev *dev, u16 dev_id) static bool mlx5_is_reset_now_capable(struct mlx5_core_dev *dev, u8 reset_method) { + struct pci_dev *bridge = dev->pdev->bus->self; u16 dev_id; int err; + if (!bridge) { + mlx5_core_warn(dev, "PCI bus bridge is not accessible\n"); + return false; + } + if (!MLX5_CAP_GEN(dev, fast_teardown)) { mlx5_core_warn(dev, "fast teardown is not supported by firmware\n"); return false; @@ -426,7 +429,7 @@ static bool mlx5_is_reset_now_capable(struct mlx5_core_dev *dev, #if IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE) if (reset_method != MLX5_MFRL_REG_PCI_RESET_METHOD_HOT_RESET) { - err = mlx5_check_hotplug_interrupt(dev); + err = mlx5_check_hotplug_interrupt(dev, bridge); if (err) return false; } |