net: devlink: move reload fail indication to devlink core and expose to user

Currently the fact that devlink reload failed is stored in drivers.
Move this flag into devlink core. Also, expose it to the user.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -80,7 +80,6 @@ struct mlxsw_core {
 	struct mlxsw_thermal *thermal;
 	struct mlxsw_core_port *ports;
 	unsigned int max_ports;
-	bool reload_fail;
 	bool fw_flash_in_progress;
 	unsigned long driver_priv[0];
 	/* driver_priv has to be always the last item */
@@ -1002,15 +1001,11 @@ mlxsw_devlink_core_bus_device_reload_up(struct devlink *devlink,
 					struct netlink_ext_ack *extack)
 {
 	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
-	int err;
 
-	err = mlxsw_core_bus_device_register(mlxsw_core->bus_info,
-					     mlxsw_core->bus,
-					     mlxsw_core->bus_priv, true,
-					     devlink);
-	mlxsw_core->reload_fail = !!err;
-
-	return err;
+	return mlxsw_core_bus_device_register(mlxsw_core->bus_info,
+					      mlxsw_core->bus,
+					      mlxsw_core->bus_priv, true,
+					      devlink);
 }
 
 static int mlxsw_devlink_flash_update(struct devlink *devlink,
@@ -1254,7 +1249,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core,
 {
 	struct devlink *devlink = priv_to_devlink(mlxsw_core);
 
-	if (mlxsw_core->reload_fail) {
+	if (devlink_is_reload_failed(devlink)) {
 		if (!reload)
 			/* Only the parts that were not de-initialized in the
 			 * failed reload attempt need to be de-initialized.