mlxsw: core: Add bus argument to environment init API

Pass bus argument to mlxsw_env_init(). The purpose is to get access to
device handle, which is to be provided to error message in case of line
card activation failure.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/core.c

@@ -2175,7 +2175,7 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
 	if (err)
 		goto err_thermal_init;
 
-	err = mlxsw_env_init(mlxsw_core, &mlxsw_core->env);
+	err = mlxsw_env_init(mlxsw_core, mlxsw_bus_info, &mlxsw_core->env);
 	if (err)
 		goto err_env_init;
 

drivers/net/ethernet/mellanox/mlxsw/core_env.c

@@ -28,6 +28,7 @@ struct mlxsw_env_line_card {
 
 struct mlxsw_env {
 	struct mlxsw_core *core;
+	const struct mlxsw_bus_info *bus_info;
 	u8 max_module_count; /* Maximum number of modules per-slot. */
 	u8 num_of_slots; /* Including the main board. */
 	struct mutex line_cards_lock; /* Protects line cards. */
@@ -1194,7 +1195,9 @@ mlxsw_env_module_type_set(struct mlxsw_core *mlxsw_core, u8 slot_index)
 	return 0;
 }
 
-int mlxsw_env_init(struct mlxsw_core *mlxsw_core, struct mlxsw_env **p_env)
+int mlxsw_env_init(struct mlxsw_core *mlxsw_core,
+		   const struct mlxsw_bus_info *bus_info,
+		   struct mlxsw_env **p_env)
 {
 	u8 module_count, num_of_slots, max_module_count;
 	char mgpir_pl[MLXSW_REG_MGPIR_LEN];
@@ -1221,6 +1224,7 @@ int mlxsw_env_init(struct mlxsw_core *mlxsw_core, struct mlxsw_env **p_env)
 		return -ENOMEM;
 
 	env->core = mlxsw_core;
+	env->bus_info = bus_info;
 	env->num_of_slots = num_of_slots + 1;
 	env->max_module_count = max_module_count;
 	err = mlxsw_env_line_cards_alloc(env);

drivers/net/ethernet/mellanox/mlxsw/core_env.h

@@ -60,7 +60,9 @@ int mlxsw_env_module_port_up(struct mlxsw_core *mlxsw_core, u8 slot_index,
 void mlxsw_env_module_port_down(struct mlxsw_core *mlxsw_core, u8 slot_index,
 				u8 module);
 
-int mlxsw_env_init(struct mlxsw_core *core, struct mlxsw_env **p_env);
+int mlxsw_env_init(struct mlxsw_core *core,
+		   const struct mlxsw_bus_info *bus_info,
+		   struct mlxsw_env **p_env);
 void mlxsw_env_fini(struct mlxsw_env *env);
 
 #endif