soundwire: export sdw_compute_slave_ports() function

Export sdw_compute_slave_ports() function to use it in another
soundwire manager module.
Move sdw_transport_data structure to bus header file to export
sdw_compute_slave_ports() function.

Signed-off-by: Vijendar Mukunda <[e-mail]>
Reviewed-by: Pierre-Louis Bossart <[e-mail]>
Link: https://lore.kernel.org/lkml/[e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/soundwire/bus.h

···
 	struct list_head bus_node;
 };
 
+struct sdw_transport_data {
+	int hstart;
+	int hstop;
+	int block_offset;
+	int sub_block_offset;
+};
+
 struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave,
 					    enum sdw_data_direction direction,
 					    unsigned int port_num);
···
 
 void sdw_clear_slave_status(struct sdw_bus *bus, u32 request);
 int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
+void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
+			     struct sdw_transport_data *t_data);
 
 #endif /* __SDW_BUS_H */

drivers/soundwire/generic_bandwidth_allocation.c

···
 	unsigned int *rates;
 };
 
-struct sdw_transport_data {
-	int hstart;
-	int hstop;
-	int block_offset;
-	int sub_block_offset;
-};
-
-static void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
-				    struct sdw_transport_data *t_data)
+void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt,
+			     struct sdw_transport_data *t_data)
 {
 	struct sdw_slave_runtime *s_rt = NULL;
 	struct sdw_port_runtime *p_rt;
···
 		}
 	}
 }
+EXPORT_SYMBOL(sdw_compute_slave_ports);
 
 static void sdw_compute_master_ports(struct sdw_master_runtime *m_rt,
 				     struct sdw_group_params *params,