IB/mlx5: Move loopback initialization to the corresponding stage

The loopback stage only initializes a lock, move it to be in
the CAPS initialization phase and get rid loopback step completely.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/main.c

@@ -4203,6 +4203,10 @@ static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
 	INIT_LIST_HEAD(&dev->qp_list);
 	spin_lock_init(&dev->reset_flow_resource_lock);
 
+	if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
+	    MLX5_CAP_GEN(dev->mdev, disable_local_lb))
+		mutex_init(&dev->lb_mutex);
+
 	return 0;
 }
 
@@ -4384,15 +4388,6 @@ static int mlx5_ib_stage_class_attr_init(struct mlx5_ib_dev *dev)
 	return 0;
 }
 
-static int mlx5_ib_stage_loopback_init(struct mlx5_ib_dev *dev)
-{
-	if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) &&
-	    MLX5_CAP_GEN(dev->mdev, disable_local_lb))
-		mutex_init(&dev->lb_mutex);
-
-	return 0;
-}
-
 static void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
 			     const struct mlx5_ib_profile *profile,
 			     int stage)
@@ -4481,9 +4476,6 @@ static const struct mlx5_ib_profile pf_profile = {
 	STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR,
 		     mlx5_ib_stage_class_attr_init,
 		     NULL),
-	STAGE_CREATE(MLX5_IB_STAGE_LOOPBACK,
-		     mlx5_ib_stage_loopback_init,
-		     NULL),
 };
 
 static void *mlx5_ib_add(struct mlx5_core_dev *mdev)

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -729,7 +729,6 @@ enum mlx5_ib_stages {
 	MLX5_IB_STAGE_UMR_RESOURCES,
 	MLX5_IB_STAGE_DELAY_DROP,
 	MLX5_IB_STAGE_CLASS_ATTR,
-	MLX5_IB_STAGE_LOOPBACK,
 	MLX5_IB_STAGE_MAX,
 };