static int get_config(struct sp_port *port, struct sp_port_data *data, struct sp_port_config *config);
static int set_config(struct sp_port *port, struct sp_port_data *data, struct sp_port_config *config);
static int get_config(struct sp_port *port, struct sp_port_data *data, struct sp_port_config *config);
static int set_config(struct sp_port *port, struct sp_port_data *data, struct sp_port_config *config);