43 static int host1x_subdev_add(struct host1x_device *device,  in host1x_subdev_add()  argument
55 	mutex_lock(&device->subdevs_lock);  in host1x_subdev_add()
56 	list_add_tail(&subdev->list, &device->subdevs);  in host1x_subdev_add()
57 	mutex_unlock(&device->subdevs_lock);  in host1x_subdev_add()
75 static int host1x_device_parse_dt(struct host1x_device *device,  in host1x_device_parse_dt()  argument
81 	for_each_child_of_node(device->dev.parent->of_node, np) {  in host1x_device_parse_dt()
84 			err = host1x_subdev_add(device, np);  in host1x_device_parse_dt()
93 static void host1x_subdev_register(struct host1x_device *device,  in host1x_subdev_register()  argument
104 	mutex_lock(&device->subdevs_lock);  in host1x_subdev_register()
105 	mutex_lock(&device->clients_lock);  in host1x_subdev_register()
106 	list_move_tail(&client->list, &device->clients);  in host1x_subdev_register()
107 	list_move_tail(&subdev->list, &device->active);  in host1x_subdev_register()
108 	client->parent = &device->dev;  in host1x_subdev_register()
110 	mutex_unlock(&device->clients_lock);  in host1x_subdev_register()
111 	mutex_unlock(&device->subdevs_lock);  in host1x_subdev_register()
113 	if (list_empty(&device->subdevs)) {  in host1x_subdev_register()
114 		err = device_add(&device->dev);  in host1x_subdev_register()
116 			dev_err(&device->dev, "failed to add: %d\n", err);  in host1x_subdev_register()
118 			device->registered = true;  in host1x_subdev_register()
122 static void __host1x_subdev_unregister(struct host1x_device *device,  in __host1x_subdev_unregister()  argument
131 	if (list_empty(&device->subdevs)) {  in __host1x_subdev_unregister()
132 		if (device->registered) {  in __host1x_subdev_unregister()
133 			device->registered = false;  in __host1x_subdev_unregister()
134 			device_del(&device->dev);  in __host1x_subdev_unregister()
142 	mutex_lock(&device->clients_lock);  in __host1x_subdev_unregister()
145 	list_move_tail(&subdev->list, &device->subdevs);  in __host1x_subdev_unregister()
155 	mutex_unlock(&device->clients_lock);  in __host1x_subdev_unregister()
158 static void host1x_subdev_unregister(struct host1x_device *device,  in host1x_subdev_unregister()  argument
161 	mutex_lock(&device->subdevs_lock);  in host1x_subdev_unregister()
162 	__host1x_subdev_unregister(device, subdev);  in host1x_subdev_unregister()
163 	mutex_unlock(&device->subdevs_lock);  in host1x_subdev_unregister()
166 int host1x_device_init(struct host1x_device *device)  in host1x_device_init()  argument
171 	mutex_lock(&device->clients_lock);  in host1x_device_init()
173 	list_for_each_entry(client, &device->clients, list) {  in host1x_device_init()
177 				dev_err(&device->dev,  in host1x_device_init()
180 				mutex_unlock(&device->clients_lock);  in host1x_device_init()
186 	mutex_unlock(&device->clients_lock);  in host1x_device_init()
192 int host1x_device_exit(struct host1x_device *device)  in host1x_device_exit()  argument
197 	mutex_lock(&device->clients_lock);  in host1x_device_exit()
199 	list_for_each_entry_reverse(client, &device->clients, list) {  in host1x_device_exit()
203 				dev_err(&device->dev,  in host1x_device_exit()
206 				mutex_unlock(&device->clients_lock);  in host1x_device_exit()
212 	mutex_unlock(&device->clients_lock);  in host1x_device_exit()
221 	struct host1x_device *device;  in host1x_add_client()  local
226 	list_for_each_entry(device, &host1x->devices, list) {  in host1x_add_client()
227 		list_for_each_entry(subdev, &device->subdevs, list) {  in host1x_add_client()
229 				host1x_subdev_register(device, subdev, client);  in host1x_add_client()
243 	struct host1x_device *device, *dt;  in host1x_del_client()  local
248 	list_for_each_entry_safe(device, dt, &host1x->devices, list) {  in host1x_del_client()
249 		list_for_each_entry(subdev, &device->active, list) {  in host1x_del_client()
251 				host1x_subdev_unregister(device, subdev);  in host1x_del_client()
262 static int host1x_device_match(struct device *dev, struct device_driver *drv)  in host1x_device_match()
267 static int host1x_device_probe(struct device *dev)  in host1x_device_probe()
270 	struct host1x_device *device = to_host1x_device(dev);  in host1x_device_probe()  local
273 		return driver->probe(device);  in host1x_device_probe()
278 static int host1x_device_remove(struct device *dev)  in host1x_device_remove()
281 	struct host1x_device *device = to_host1x_device(dev);  in host1x_device_remove()  local
284 		return driver->remove(device);  in host1x_device_remove()
289 static void host1x_device_shutdown(struct device *dev)  in host1x_device_shutdown()
292 	struct host1x_device *device = to_host1x_device(dev);  in host1x_device_shutdown()  local
295 		driver->shutdown(device);  in host1x_device_shutdown()
316 static void __host1x_device_del(struct host1x_device *device)  in __host1x_device_del()  argument
321 	mutex_lock(&device->subdevs_lock);  in __host1x_device_del()
324 	list_for_each_entry_safe(subdev, sd, &device->active, list) {  in __host1x_device_del()
336 		__host1x_subdev_unregister(device, subdev);  in __host1x_device_del()
345 	list_for_each_entry_safe(subdev, sd, &device->subdevs, list)  in __host1x_device_del()
348 	mutex_unlock(&device->subdevs_lock);  in __host1x_device_del()
352 	mutex_lock(&device->clients_lock);  in __host1x_device_del()
354 	list_for_each_entry_safe(client, cl, &device->clients, list)  in __host1x_device_del()
357 	mutex_unlock(&device->clients_lock);  in __host1x_device_del()
361 	list_del_init(&device->list);  in __host1x_device_del()
364 static void host1x_device_release(struct device *dev)  in host1x_device_release()
366 	struct host1x_device *device = to_host1x_device(dev);  in host1x_device_release()  local
368 	__host1x_device_del(device);  in host1x_device_release()
369 	kfree(device);  in host1x_device_release()
377 	struct host1x_device *device;  in host1x_device_add()  local
380 	device = kzalloc(sizeof(*device), GFP_KERNEL);  in host1x_device_add()
381 	if (!device)  in host1x_device_add()
384 	device_initialize(&device->dev);  in host1x_device_add()
386 	mutex_init(&device->subdevs_lock);  in host1x_device_add()
387 	INIT_LIST_HEAD(&device->subdevs);  in host1x_device_add()
388 	INIT_LIST_HEAD(&device->active);  in host1x_device_add()
389 	mutex_init(&device->clients_lock);  in host1x_device_add()
390 	INIT_LIST_HEAD(&device->clients);  in host1x_device_add()
391 	INIT_LIST_HEAD(&device->list);  in host1x_device_add()
392 	device->driver = driver;  in host1x_device_add()
394 	device->dev.coherent_dma_mask = host1x->dev->coherent_dma_mask;  in host1x_device_add()
395 	device->dev.dma_mask = &device->dev.coherent_dma_mask;  in host1x_device_add()
396 	dev_set_name(&device->dev, "%s", driver->driver.name);  in host1x_device_add()
397 	device->dev.release = host1x_device_release;  in host1x_device_add()
398 	device->dev.bus = &host1x_bus_type;  in host1x_device_add()
399 	device->dev.parent = host1x->dev;  in host1x_device_add()
401 	err = host1x_device_parse_dt(device, driver);  in host1x_device_add()
403 		kfree(device);  in host1x_device_add()
407 	list_add_tail(&device->list, &host1x->devices);  in host1x_device_add()
412 		list_for_each_entry(subdev, &device->subdevs, list) {  in host1x_device_add()
414 				host1x_subdev_register(device, subdev, client);  in host1x_device_add()
432 			      struct host1x_device *device)  in host1x_device_del()  argument
434 	if (device->registered) {  in host1x_device_del()
435 		device->registered = false;  in host1x_device_del()
436 		device_del(&device->dev);  in host1x_device_del()
439 	put_device(&device->dev);  in host1x_device_del()
445 	struct host1x_device *device;  in host1x_attach_driver()  local
450 	list_for_each_entry(device, &host1x->devices, list) {  in host1x_attach_driver()
451 		if (device->driver == driver) {  in host1x_attach_driver()
467 	struct host1x_device *device, *tmp;  in host1x_detach_driver()  local
471 	list_for_each_entry_safe(device, tmp, &host1x->devices, list)  in host1x_detach_driver()
472 		if (device->driver == driver)  in host1x_detach_driver()
473 			host1x_device_del(host1x, device);  in host1x_detach_driver()