net/mlx5: SRIOV core code refactoring

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx5 / core / main.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 28e3ce6..baba53f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1180,8 +1180,7 @@ out:
        return 0;
 
 err_sriov:
-       if (mlx5_sriov_cleanup(dev))
-               dev_err(&dev->pdev->dev, "sriov cleanup failed\n");
+       mlx5_sriov_cleanup(dev);
 
 #ifdef CONFIG_MLX5_CORE_EN
        mlx5_eswitch_cleanup(dev->priv.eswitch);
@@ -1241,19 +1240,14 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 {
        int err = 0;
 
-       err = mlx5_sriov_cleanup(dev);
-       if (err) {
-               dev_warn(&dev->pdev->dev, "%s: sriov cleanup failed - abort\n",
-                        __func__);
-               return err;
-       }
-
        mutex_lock(&dev->intf_state_mutex);
        if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) {
                dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n",
                         __func__);
                goto out;
        }
+
+       mlx5_sriov_cleanup(dev);
        mlx5_unregister_device(dev);
 #ifdef CONFIG_MLX5_CORE_EN
        mlx5_eswitch_cleanup(dev->priv.eswitch);
@@ -1417,36 +1411,12 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev,
        dev_info(&pdev->dev, "%s was called\n", __func__);
        mlx5_enter_error_state(dev);
        mlx5_unload_one(dev, priv);
+       pci_save_state(pdev);
        mlx5_pci_disable_device(dev);
        return state == pci_channel_io_perm_failure ?
                PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET;
 }
 
-static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev)
-{
-       struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
-       int err = 0;
-
-       dev_info(&pdev->dev, "%s was called\n", __func__);
-
-       err = mlx5_pci_enable_device(dev);
-       if (err) {
-               dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n"
-                       , __func__, err);
-               return PCI_ERS_RESULT_DISCONNECT;
-       }
-       pci_set_master(pdev);
-       pci_set_power_state(pdev, PCI_D0);
-       pci_restore_state(pdev);
-
-       return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
-}
-
-void mlx5_disable_device(struct mlx5_core_dev *dev)
-{
-       mlx5_pci_err_detected(dev->pdev, 0);
-}
-
 /* wait for the device to show vital signs by waiting
  * for the health counter to start counting.
  */
@@ -1474,21 +1444,44 @@ static int wait_vital(struct pci_dev *pdev)
        return -ETIMEDOUT;
 }
 
-static void mlx5_pci_resume(struct pci_dev *pdev)
+static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev)
 {
        struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
-       struct mlx5_priv *priv = &dev->priv;
        int err;
 
        dev_info(&pdev->dev, "%s was called\n", __func__);
 
-       pci_save_state(pdev);
-       err = wait_vital(pdev);
+       err = mlx5_pci_enable_device(dev);
        if (err) {
+               dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n"
+                       , __func__, err);
+               return PCI_ERS_RESULT_DISCONNECT;
+       }
+
+       pci_set_master(pdev);
+       pci_restore_state(pdev);
+
+       if (wait_vital(pdev)) {
                dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__);
-               return;
+               return PCI_ERS_RESULT_DISCONNECT;
        }
 
+       return PCI_ERS_RESULT_RECOVERED;
+}
+
+void mlx5_disable_device(struct mlx5_core_dev *dev)
+{
+       mlx5_pci_err_detected(dev->pdev, 0);
+}
+
+static void mlx5_pci_resume(struct pci_dev *pdev)
+{
+       struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
+       struct mlx5_priv *priv = &dev->priv;
+       int err;
+
+       dev_info(&pdev->dev, "%s was called\n", __func__);
+
        err = mlx5_load_one(dev, priv);
        if (err)
                dev_err(&pdev->dev, "%s: mlx5_load_one failed with error code: %d\n"