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greybus: record connection protocol

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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>
This commit is contained in:
Alex Elder 2014-10-02 12:30:06 -05:00 committed by Greg Kroah-Hartman
parent cd345074bb
commit ad1c449eb9
3 changed files with 6 additions and 4 deletions
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4
drivers/staging/greybus/connection.c
View file

@ -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);

4
drivers/staging/greybus/connection.h
View file

@ -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);

2
drivers/staging/greybus/manifest.c
View file

@ -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++;