38 int cec_get_device(struct cec_devnode *devnode)  in cec_get_device()  argument
47 	mutex_lock(&devnode->lock);  in cec_get_device()
52 	if (!devnode->registered) {  in cec_get_device()
53 		mutex_unlock(&devnode->lock);  in cec_get_device()
57 	get_device(&devnode->dev);  in cec_get_device()
58 	mutex_unlock(&devnode->lock);  in cec_get_device()
62 void cec_put_device(struct cec_devnode *devnode)  in cec_put_device()  argument
64 	put_device(&devnode->dev);  in cec_put_device()
70 	struct cec_devnode *devnode = to_cec_devnode(cd);  in cec_devnode_release()  local
74 	clear_bit(devnode->minor, cec_devnode_nums);  in cec_devnode_release()
77 	cec_delete_adapter(to_cec_adapter(devnode));  in cec_devnode_release()
97 static int __must_check cec_devnode_register(struct cec_devnode *devnode,  in cec_devnode_register()  argument
115 	devnode->minor = minor;  in cec_devnode_register()
116 	devnode->dev.bus = &cec_bus_type;  in cec_devnode_register()
117 	devnode->dev.devt = MKDEV(MAJOR(cec_dev_t), minor);  in cec_devnode_register()
118 	devnode->dev.release = cec_devnode_release;  in cec_devnode_register()
119 	dev_set_name(&devnode->dev, "cec%d", devnode->minor);  in cec_devnode_register()
120 	device_initialize(&devnode->dev);  in cec_devnode_register()
123 	cdev_init(&devnode->cdev, &cec_devnode_fops);  in cec_devnode_register()
124 	devnode->cdev.owner = owner;  in cec_devnode_register()
126 	ret = cdev_device_add(&devnode->cdev, &devnode->dev);  in cec_devnode_register()
132 	devnode->registered = true;  in cec_devnode_register()
137 	clear_bit(devnode->minor, cec_devnode_nums);  in cec_devnode_register()
153 	struct cec_devnode *devnode = &adap->devnode;  in cec_devnode_unregister()  local
156 	mutex_lock(&devnode->lock);  in cec_devnode_unregister()
159 	if (!devnode->registered || devnode->unregistered) {  in cec_devnode_unregister()
160 		mutex_unlock(&devnode->lock);  in cec_devnode_unregister()
164 	list_for_each_entry(fh, &devnode->fhs, list)  in cec_devnode_unregister()
167 	devnode->registered = false;  in cec_devnode_unregister()
168 	devnode->unregistered = true;  in cec_devnode_unregister()
169 	mutex_unlock(&devnode->lock);  in cec_devnode_unregister()
176 	cdev_device_del(&devnode->cdev, &devnode->dev);  in cec_devnode_unregister()
177 	put_device(&devnode->dev);  in cec_devnode_unregister()
285 	INIT_LIST_HEAD(&adap->devnode.fhs);  in cec_allocate_adapter()
286 	mutex_init(&adap->devnode.lock);  in cec_allocate_adapter()
343 	adap->devnode.dev.parent = parent;  in cec_register_adapter()
360 	res = cec_devnode_register(&adap->devnode, adap->owner);  in cec_register_adapter()
370 	dev_set_drvdata(&adap->devnode.dev, adap);  in cec_register_adapter()
375 	adap->cec_dir = debugfs_create_dir(dev_name(&adap->devnode.dev), top_cec_dir);  in cec_register_adapter()
380 	adap->status_file = debugfs_create_devm_seqfile(&adap->devnode.dev,  in cec_register_adapter()