[PATCH net 2/2] mlxsw: minimal: Initialize base_mac

[Ido Schimmel]

From: Jiri Pirko <j...@mellanox.com>

Currently base_mac is not initialized which causes wrong reporting of
zeroed parent_id to userspace. Fix this by initializing base_mac
properly.

Fixes: c100e47caa8e ("mlxsw: minimal: Add ethtool support")
Signed-off-by: Jiri Pirko <j...@mellanox.com>
Signed-off-by: Ido Schimmel <ido...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/minimal.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/minimal.c 
b/drivers/net/ethernet/mellanox/mlxsw/minimal.c
index 68bee9572a1b..00c390024350 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/minimal.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/minimal.c
@@ -34,6 +34,18 @@ struct mlxsw_m_port {
        u8 module;
 };
 
+static int mlxsw_m_base_mac_get(struct mlxsw_m *mlxsw_m)
+{
+       char spad_pl[MLXSW_REG_SPAD_LEN] = {0};
+       int err;
+
+       err = mlxsw_reg_query(mlxsw_m->core, MLXSW_REG(spad), spad_pl);
+       if (err)
+               return err;
+       mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_m->base_mac);
+       return 0;
+}
+
 static int mlxsw_m_port_dummy_open_stop(struct net_device *dev)
 {
        return 0;
@@ -314,6 +326,12 @@ static int mlxsw_m_init(struct mlxsw_core *mlxsw_core,
        mlxsw_m->core = mlxsw_core;
        mlxsw_m->bus_info = mlxsw_bus_info;
 
+       err = mlxsw_m_base_mac_get(mlxsw_m);
+       if (err) {
+               dev_err(mlxsw_m->bus_info->dev, "Failed to get base mac\n");
+               return err;
+       }
+
        err = mlxsw_m_ports_create(mlxsw_m);
        if (err) {
                dev_err(mlxsw_m->bus_info->dev, "Failed to create ports\n");
-- 
2.20.1