30 struct master {  struct
43 	struct master *master;  argument
54 static struct master *__master_find(struct device *dev,  in __master_find()
57 	struct master *m;  in __master_find()
67 static void component_attach_master(struct master *master, struct component *c)  in component_attach_master()  argument
69 	c->master = master;  in component_attach_master()
71 	list_add_tail(&c->master_node, &master->components);  in component_attach_master()
75 static void component_detach_master(struct master *master, struct component *c)  in component_detach_master()  argument
79 	c->master = NULL;  in component_detach_master()
87 int component_master_add_child(struct master *master,  in component_master_add_child()  argument
94 		if (c->master && c->master != master)  in component_master_add_child()
98 			if (!c->master)  in component_master_add_child()
99 				component_attach_master(master, c);  in component_master_add_child()
109 static int find_components(struct master *master)  in find_components()  argument
111 	struct component_match *match = master->match;  in find_components()
120 		return master->ops->add_components(master->dev, master);  in find_components()
128 		ret = component_master_add_child(master,  in find_components()
138 static void master_remove_components(struct master *master)  in master_remove_components()  argument
140 	while (!list_empty(&master->components)) {  in master_remove_components()
141 		struct component *c = list_first_entry(&master->components,  in master_remove_components()
144 		WARN_ON(c->master != master);  in master_remove_components()
146 		component_detach_master(master, c);  in master_remove_components()
157 static int try_to_bring_up_master(struct master *master,  in try_to_bring_up_master()  argument
162 	if (master->bound)  in try_to_bring_up_master()
169 	if (find_components(master)) {  in try_to_bring_up_master()
175 	if (component && component->master != master) {  in try_to_bring_up_master()
180 	if (!devres_open_group(master->dev, NULL, GFP_KERNEL)) {  in try_to_bring_up_master()
186 	ret = master->ops->bind(master->dev);  in try_to_bring_up_master()
188 		devres_release_group(master->dev, NULL);  in try_to_bring_up_master()
189 		dev_info(master->dev, "master bind failed: %d\n", ret);  in try_to_bring_up_master()
193 	master->bound = true;  in try_to_bring_up_master()
197 	master_remove_components(master);  in try_to_bring_up_master()
204 	struct master *m;  in try_to_bring_up_masters()
216 static void take_down_master(struct master *master)  in take_down_master()  argument
218 	if (master->bound) {  in take_down_master()
219 		master->ops->unbind(master->dev);  in take_down_master()
220 		devres_release_group(master->dev, NULL);  in take_down_master()
221 		master->bound = false;  in take_down_master()
224 	master_remove_components(master);  in take_down_master()
290 	struct master *master;  in component_master_add_with_match()  local
303 	master = kzalloc(sizeof(*master), GFP_KERNEL);  in component_master_add_with_match()
304 	if (!master)  in component_master_add_with_match()
307 	master->dev = dev;  in component_master_add_with_match()
308 	master->ops = ops;  in component_master_add_with_match()
309 	master->match = match;  in component_master_add_with_match()
310 	INIT_LIST_HEAD(&master->components);  in component_master_add_with_match()
314 	list_add(&master->node, &masters);  in component_master_add_with_match()
316 	ret = try_to_bring_up_master(master, NULL);  in component_master_add_with_match()
320 		list_del(&master->node);  in component_master_add_with_match()
321 		kfree(master);  in component_master_add_with_match()
339 	struct master *master;  in component_master_del()  local
342 	master = __master_find(dev, ops);  in component_master_del()
343 	if (master) {  in component_master_del()
344 		take_down_master(master);  in component_master_del()
346 		list_del(&master->node);  in component_master_del()
347 		kfree(master);  in component_master_del()
354 	struct master *master, void *data)  in component_unbind()  argument
358 	component->ops->unbind(component->dev, master->dev, data);  in component_unbind()
367 	struct master *master;  in component_unbind_all()  local
372 	master = __master_find(master_dev, NULL);  in component_unbind_all()
373 	if (!master)  in component_unbind_all()
376 	list_for_each_entry_reverse(c, &master->components, master_node)  in component_unbind_all()
377 		component_unbind(c, master, data);  in component_unbind_all()
381 static int component_bind(struct component *component, struct master *master,  in component_bind()  argument
391 	if (!devres_open_group(master->dev, NULL, GFP_KERNEL))  in component_bind()
400 		devres_release_group(master->dev, NULL);  in component_bind()
404 	dev_dbg(master->dev, "binding %s (ops %ps)\n",  in component_bind()
407 	ret = component->ops->bind(component->dev, master->dev, data);  in component_bind()
418 		devres_remove_group(master->dev, NULL);  in component_bind()
420 		dev_info(master->dev, "bound %s (ops %ps)\n",  in component_bind()
424 		devres_release_group(master->dev, NULL);  in component_bind()
426 		dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",  in component_bind()
435 	struct master *master;  in component_bind_all()  local
441 	master = __master_find(master_dev, NULL);  in component_bind_all()
442 	if (!master)  in component_bind_all()
445 	list_for_each_entry(c, &master->components, master_node) {  in component_bind_all()
446 		ret = component_bind(c, master, data);  in component_bind_all()
452 		list_for_each_entry_continue_reverse(c, &master->components,  in component_bind_all()
454 			component_unbind(c, master, data);  in component_bind_all()
502 	if (component && component->master)  in component_del()
503 		take_down_master(component->master);  in component_del()