greybus: record connection protocol

Record the protocol association with a connection when it gets
created.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/connection.c

@@ -23,7 +23,7 @@
  * pointer otherwise.
  */
 struct gb_connection *gb_connection_create(struct gb_interface *interface,
-						u16 cport_id)
+				u16 cport_id, enum greybus_protocol protocol)
 {
 	struct gb_connection *connection;
 	struct greybus_host_device *hd;
@@ -41,6 +41,8 @@ struct gb_connection *gb_connection_create(struct gb_interface *interface,
 	connection->hd = hd;			/* XXX refcount? */
 	connection->interface = interface;	/* XXX refcount? */
 	connection->interface_cport_id = cport_id;
+	connection->protocol = protocol;
+
 	INIT_LIST_HEAD(&connection->operations);
 	atomic_set(&connection->op_cycle, 0);
 

drivers/staging/greybus/connection.h

@@ -21,14 +21,14 @@ struct gb_connection {
 
 	struct list_head		hd_links;
 	struct list_head		interface_links;
-	/* protocol */
+	enum greybus_protocol		protocol;
 
 	struct list_head		operations;
 	atomic_t			op_cycle;
 };
 
 struct gb_connection *gb_connection_create(struct gb_interface *interface,
-						u16 cport_id);
+				u16 cport_id, enum greybus_protocol protocol);
 void gb_connection_destroy(struct gb_connection *connection);
 
 u16 gb_connection_op_id(struct gb_connection *connection);

drivers/staging/greybus/manifest.c

@@ -204,7 +204,7 @@ u32 gb_manifest_parse_cports(struct gb_interface *interface)
 		/* Found one.  Set up its function structure */
 		protocol = (enum greybus_protocol)desc_cport->protocol;
 		cport_id = le16_to_cpu(desc_cport->id);
-		if (!gb_connection_create(interface, cport_id))
+		if (!gb_connection_create(interface, cport_id, protocol))
 			return 0;	/* Error */
 
 		count++;