RDMA/mlx5: Move SMI caps logic

We store the SMI information in the core device's struct, make sure we set
that information only once (and not per port), while here make the for
loop based on the actual size of the array.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/mlx5/main.c

@@ -4538,7 +4538,7 @@ static int set_has_smi_cap(struct mlx5_ib_dev *dev)
 	int err;
 	int port;
 
-	for (port = 1; port <= dev->num_ports; port++) {
+	for (port = 1; port <= ARRAY_SIZE(dev->mdev->port_caps); port++) {
 		dev->mdev->port_caps[port - 1].has_smi = false;
 		if (MLX5_CAP_GEN(dev->mdev, port_type) ==
 		    MLX5_CAP_PORT_TYPE_IB) {
@@ -4584,10 +4584,6 @@ static int get_port_caps(struct mlx5_ib_dev *dev, u8 port)
 	if (!dprops)
 		goto out;
 
-	err = set_has_smi_cap(dev);
-	if (err)
-		goto out;
-
 	err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
 	if (err) {
 		mlx5_ib_warn(dev, "query_device failed %d\n", err);
@@ -5890,6 +5886,10 @@ int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
 	if (err)
 		return err;
 
+	err = set_has_smi_cap(dev);
+	if (err)
+		return err;
+
 	if (!mlx5_core_mp_enabled(mdev)) {
 		for (i = 1; i <= dev->num_ports; i++) {
 			err = get_port_caps(dev, i);