[PATCH net-next v2 04/10] mlx4: Get rid of the mlx4_interface.activate callback

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The mlx4_interface.activate callback was introduced in commit
79857cd31fe7 ("net/mlx4: Postpone the registration of net_device"). It
dealt with a situation when a netdev notifier received a NETDEV_REGISTER
event for a new net_device created by mlx4_en but the same device was
not yet visible to mlx4_get_protocol_dev(). The callback can be removed
now that mlx4_get_protocol_dev() is gone.

Signed-off-by: Petr Pavlu <petr.pavlu@xxxxxxxx>
Tested-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
Acked-by: Tariq Toukan <tariqt@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx4/en_main.c | 37 +++++++++-----------
 drivers/net/ethernet/mellanox/mlx4/intf.c    |  2 --
 include/linux/mlx4/driver.h                  |  1 -
 3 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 77e771e97da0..263f9274927b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -247,26 +247,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
 	kfree(mdev);
 }
 
-static void mlx4_en_activate(struct mlx4_dev *dev, void *ctx)
-{
-	int i;
-	struct mlx4_en_dev *mdev = ctx;
-
-	/* Create a netdev for each port */
-	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
-		mlx4_info(mdev, "Activating port:%d\n", i);
-		if (mlx4_en_init_netdev(mdev, i, &mdev->profile.prof[i]))
-			mdev->pndev[i] = NULL;
-	}
-
-	/* register netdev notifier */
-	mdev->netdev_nb.notifier_call = mlx4_en_netdev_event;
-	if (register_netdevice_notifier(&mdev->netdev_nb)) {
-		mdev->netdev_nb.notifier_call = NULL;
-		mlx4_err(mdev, "Failed to create netdev notifier\n");
-	}
-}
-
 static void *mlx4_en_add(struct mlx4_dev *dev)
 {
 	struct mlx4_en_dev *mdev;
@@ -338,6 +318,22 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
 	err = mlx4_register_event_notifier(dev, &mdev->mlx_nb);
 	WARN(err, "failed to register mlx4 event notifier (%d)", err);
 
+	/* Setup ports */
+
+	/* Create a netdev for each port */
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
+		mlx4_info(mdev, "Activating port:%d\n", i);
+		if (mlx4_en_init_netdev(mdev, i, &mdev->profile.prof[i]))
+			mdev->pndev[i] = NULL;
+	}
+
+	/* register netdev notifier */
+	mdev->netdev_nb.notifier_call = mlx4_en_netdev_event;
+	if (register_netdevice_notifier(&mdev->netdev_nb)) {
+		mdev->netdev_nb.notifier_call = NULL;
+		mlx4_err(mdev, "Failed to create netdev notifier\n");
+	}
+
 	return mdev;
 
 err_mr:
@@ -359,7 +355,6 @@ static struct mlx4_interface mlx4_en_interface = {
 	.add		= mlx4_en_add,
 	.remove		= mlx4_en_remove,
 	.protocol	= MLX4_PROT_ETH,
-	.activate	= mlx4_en_activate,
 };
 
 static void mlx4_en_verify_params(void)
diff --git a/drivers/net/ethernet/mellanox/mlx4/intf.c b/drivers/net/ethernet/mellanox/mlx4/intf.c
index a7c3e2efa464..8b2c1404cb66 100644
--- a/drivers/net/ethernet/mellanox/mlx4/intf.c
+++ b/drivers/net/ethernet/mellanox/mlx4/intf.c
@@ -64,8 +64,6 @@ static void mlx4_add_device(struct mlx4_interface *intf, struct mlx4_priv *priv)
 		spin_lock_irq(&priv->ctx_lock);
 		list_add_tail(&dev_ctx->list, &priv->ctx_list);
 		spin_unlock_irq(&priv->ctx_lock);
-		if (intf->activate)
-			intf->activate(&priv->dev, dev_ctx->context);
 	} else
 		kfree(dev_ctx);
 
diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index 228da8ed7e75..0f8c9ba4c574 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -58,7 +58,6 @@ enum {
 struct mlx4_interface {
 	void *			(*add)	 (struct mlx4_dev *dev);
 	void			(*remove)(struct mlx4_dev *dev, void *context);
-	void			(*activate)(struct mlx4_dev *dev, void *context);
 	struct list_head	list;
 	enum mlx4_protocol	protocol;
 	int			flags;
-- 
2.35.3




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