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path: root/drivers/gpu/host1x/bus.c
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Diffstat (limited to 'drivers/gpu/host1x/bus.c')
-rw-r--r--drivers/gpu/host1x/bus.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 347fb962b6c9..68a766ff0e9d 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -705,8 +705,9 @@ void host1x_driver_unregister(struct host1x_driver *driver)
EXPORT_SYMBOL(host1x_driver_unregister);
/**
- * host1x_client_register() - register a host1x client
+ * __host1x_client_register() - register a host1x client
* @client: host1x client
+ * @key: lock class key for the client-specific mutex
*
* Registers a host1x client with each host1x controller instance. Note that
* each client will only match their parent host1x controller and will only be
@@ -715,13 +716,14 @@ EXPORT_SYMBOL(host1x_driver_unregister);
* device and call host1x_device_init(), which will in turn call each client's
* &host1x_client_ops.init implementation.
*/
-int host1x_client_register(struct host1x_client *client)
+int __host1x_client_register(struct host1x_client *client,
+ struct lock_class_key *key)
{
struct host1x *host1x;
int err;
INIT_LIST_HEAD(&client->list);
- mutex_init(&client->lock);
+ __mutex_init(&client->lock, "host1x client lock", key);
client->usecount = 0;
mutex_lock(&devices_lock);
@@ -742,7 +744,7 @@ int host1x_client_register(struct host1x_client *client)
return 0;
}
-EXPORT_SYMBOL(host1x_client_register);
+EXPORT_SYMBOL(__host1x_client_register);
/**
* host1x_client_unregister() - unregister a host1x client