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mlxsw: spectrum: Move port SWID set before core port init
For PLLP register query, FW needs the port to be assigned to SWID.
Move the port SWID setting during port creating to be done
before core port init.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
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Jiri Pirko committed Apr 12, 2021
1 parent 9623f21 commit b2cc947307eceabed71ba5b2df31dfb839451c8d
Showing 1 changed file with 15 additions and 13 deletions.
@@ -351,12 +351,12 @@ static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
}

static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid)
static int mlxsw_sp_port_swid_set(struct mlxsw_sp *mlxsw_sp,
u8 local_port, u8 swid)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char pspa_pl[MLXSW_REG_PSPA_LEN];

mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port);
mlxsw_reg_pspa_pack(pspa_pl, swid, local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl);
}

@@ -1461,6 +1461,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
return err;
}

err = mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 0);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
mlxsw_sp_port->local_port);
goto err_port_swid_set;
}

splittable = lanes > 1 && !split;
err = mlxsw_core_port_init(mlxsw_sp->core, local_port,
port_mapping->module + 1, split,
@@ -1505,13 +1512,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;

err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
mlxsw_sp_port->local_port);
goto err_port_swid_set;
}

err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
@@ -1712,14 +1712,15 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
err_port_speed_by_width_set:
err_port_system_port_mapping_set:
err_dev_addr_init:
mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
free_netdev(dev);
err_alloc_etherdev:
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
err_core_port_init:
mlxsw_sp_port_swid_set(mlxsw_sp, local_port,
MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
mlxsw_sp_port_module_unmap(mlxsw_sp, local_port);
return err;
}
@@ -1742,11 +1743,12 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
mlxsw_sp_port_buffers_fini(mlxsw_sp_port);
mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
free_percpu(mlxsw_sp_port->pcpu_stats);
WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
free_netdev(mlxsw_sp_port->dev);
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
mlxsw_sp_port_swid_set(mlxsw_sp, local_port,
MLXSW_PORT_SWID_DISABLED_PORT);
mlxsw_sp_port_module_unmap(mlxsw_sp, local_port);
}

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