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/*
* Greybus connections
*
* Copyright 2014 Google Inc.
*
* Released under the GPLv2 only.
*/
#include "greybus.h"
/*
* Set up a Greybus connection, representing the bidirectional link
* between a CPort on a (local) Greybus host device and a CPort on
* another Greybus module.
*
* Returns a pointer to the new connection if successful, or a null
* pointer otherwise.
*/
struct gb_connection *gb_connection_create(struct greybus_host_device *hd,
u16 cport_id, struct gb_function *function)
{
struct gb_connection *connection;
connection = kzalloc(sizeof(*connection), GFP_KERNEL);
if (!connection)
return NULL;
connection->hd = hd; /* XXX refcount? */
connection->cport_id = cport_id;
connection->function = function; /* XXX refcount? */
return connection;
}
/*
* Tear down a previously set up connection.
*/
void gb_connection_destroy(struct gb_connection *connection)
{
if (WARN_ON(!connection))
return;
/* XXX Need to wait for any outstanding requests to complete */
/* kref_put(function); */
/* kref_put(hd); */
kfree(connection);
}
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