241 static int unregister_gadget(struct gadget_info *gi)  in unregister_gadget()  argument
245 	if (!gi->composite.gadget_driver.udc_name)  in unregister_gadget()
248 	ret = usb_gadget_unregister_driver(&gi->composite.gadget_driver);  in unregister_gadget()
251 	kfree(gi->composite.gadget_driver.udc_name);  in unregister_gadget()
252 	gi->composite.gadget_driver.udc_name = NULL;  in unregister_gadget()
259 	struct gadget_info *gi = to_gadget_info(item);  in gadget_dev_desc_UDC_store()  local
269 	mutex_lock(&gi->lock);  in gadget_dev_desc_UDC_store()
272 		ret = unregister_gadget(gi);  in gadget_dev_desc_UDC_store()
277 		if (gi->composite.gadget_driver.udc_name) {  in gadget_dev_desc_UDC_store()
281 		gi->composite.gadget_driver.udc_name = name;  in gadget_dev_desc_UDC_store()
282 		ret = usb_gadget_probe_driver(&gi->composite.gadget_driver);  in gadget_dev_desc_UDC_store()
284 			gi->composite.gadget_driver.udc_name = NULL;  in gadget_dev_desc_UDC_store()
288 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
292 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
341 	struct gadget_info *gi = to_gadget_info(item);  in gadget_info_attr_release()  local
343 	WARN_ON(!list_empty(&gi->cdev.configs));  in gadget_info_attr_release()
344 	WARN_ON(!list_empty(&gi->string_list));  in gadget_info_attr_release()
345 	WARN_ON(!list_empty(&gi->available_func));  in gadget_info_attr_release()
346 	kfree(gi->composite.gadget_driver.function);  in gadget_info_attr_release()
347 	kfree(gi);  in gadget_info_attr_release()
370 	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);  in config_usb_cfg_link()  local
379 	mutex_lock(&gi->lock);  in config_usb_cfg_link()
385 	list_for_each_entry(a_fi, &gi->available_func, cfs_list) {  in config_usb_cfg_link()
411 	mutex_unlock(&gi->lock);  in config_usb_cfg_link()
421 	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);  in config_usb_cfg_unlink()  local
434 	mutex_lock(&gi->lock);  in config_usb_cfg_unlink()
435 	if (gi->composite.gadget_driver.udc_name)  in config_usb_cfg_unlink()
436 		unregister_gadget(gi);  in config_usb_cfg_unlink()
437 	WARN_ON(gi->composite.gadget_driver.udc_name);  in config_usb_cfg_unlink()
443 			mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
447 	mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
534 	struct gadget_info *gi;  in function_make()  local
571 	gi = container_of(group, struct gadget_info, functions_group);  in function_make()
573 	mutex_lock(&gi->lock);  in function_make()
574 	list_add_tail(&fi->cfs_list, &gi->available_func);  in function_make()
575 	mutex_unlock(&gi->lock);  in function_make()
584 	struct gadget_info *gi;  in function_drop()  local
586 	gi = container_of(group, struct gadget_info, functions_group);  in function_drop()
588 	mutex_lock(&gi->lock);  in function_drop()
590 	mutex_unlock(&gi->lock);  in function_drop()
628 	struct gadget_info *gi;  in config_desc_make()  local
635 	gi = container_of(group, struct gadget_info, configs_group);  in config_desc_make()
677 	ret = usb_add_config_only(&gi->cdev, &cfg->c);  in config_desc_make()
751 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_use_store()  local
755 	mutex_lock(&gi->lock);  in os_desc_use_store()
758 		gi->use_os_desc = use;  in os_desc_use_store()
761 	mutex_unlock(&gi->lock);  in os_desc_use_store()
775 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_b_vendor_code_store()  local
779 	mutex_lock(&gi->lock);  in os_desc_b_vendor_code_store()
782 		gi->b_vendor_code = b_vendor_code;  in os_desc_b_vendor_code_store()
785 	mutex_unlock(&gi->lock);  in os_desc_b_vendor_code_store()
792 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_qw_sign_show()  local
795 	res = utf16s_to_utf8s((wchar_t *) gi->qw_sign, OS_STRING_QW_SIGN_LEN,  in os_desc_qw_sign_show()
805 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_qw_sign_store()  local
812 	mutex_lock(&gi->lock);  in os_desc_qw_sign_store()
814 			      UTF16_LITTLE_ENDIAN, (wchar_t *) gi->qw_sign,  in os_desc_qw_sign_store()
818 	mutex_unlock(&gi->lock);  in os_desc_qw_sign_store()
843 	struct gadget_info *gi = container_of(to_config_group(os_desc_ci),  in os_desc_link()  local
845 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_link()
852 	mutex_lock(&gi->lock);  in os_desc_link()
871 	mutex_unlock(&gi->lock);  in os_desc_link()
878 	struct gadget_info *gi = container_of(to_config_group(os_desc_ci),  in os_desc_unlink()  local
880 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_unlink()
882 	mutex_lock(&gi->lock);  in os_desc_unlink()
883 	if (gi->composite.gadget_driver.udc_name)  in os_desc_unlink()
884 		unregister_gadget(gi);  in os_desc_unlink()
886 	WARN_ON(gi->composite.gadget_driver.udc_name);  in os_desc_unlink()
887 	mutex_unlock(&gi->lock);  in os_desc_unlink()
1207 static void purge_configs_funcs(struct gadget_info *gi)  in purge_configs_funcs()  argument
1211 	list_for_each_entry(c, &gi->cdev.configs, list) {  in purge_configs_funcs()
1221 				dev_dbg(&gi->cdev.gadget->dev,  in purge_configs_funcs()
1240 	struct gadget_info		*gi = container_of(composite,  in configfs_composite_bind()  local
1242 	struct usb_composite_dev	*cdev = &gi->cdev;  in configfs_composite_bind()
1249 	gi->unbind = 0;  in configfs_composite_bind()
1258 	if (list_empty(&gi->cdev.configs)) {  in configfs_composite_bind()
1260 				gi->composite.name);  in configfs_composite_bind()
1265 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1272 			      gi->composite.name);  in configfs_composite_bind()
1278 	if (!list_empty(&gi->string_list)) {  in configfs_composite_bind()
1282 		list_for_each_entry(gs, &gi->string_list, list) {  in configfs_composite_bind()
1284 			gi->gstrings[i] = &gs->stringtab_dev;  in configfs_composite_bind()
1292 		gi->gstrings[i] = NULL;  in configfs_composite_bind()
1293 		s = usb_gstrings_attach(&gi->cdev, gi->gstrings,  in configfs_composite_bind()
1300 		gi->cdev.desc.iManufacturer = s[USB_GADGET_MANUFACTURER_IDX].id;  in configfs_composite_bind()
1301 		gi->cdev.desc.iProduct = s[USB_GADGET_PRODUCT_IDX].id;  in configfs_composite_bind()
1302 		gi->cdev.desc.iSerialNumber = s[USB_GADGET_SERIAL_IDX].id;  in configfs_composite_bind()
1305 	if (gi->use_os_desc) {  in configfs_composite_bind()
1307 		cdev->b_vendor_code = gi->b_vendor_code;  in configfs_composite_bind()
1308 		memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN);  in configfs_composite_bind()
1325 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1344 			s = usb_gstrings_attach(&gi->cdev, cfg->gstrings, 1);  in configfs_composite_bind()
1372 	purge_configs_funcs(gi);  in configfs_composite_bind()
1381 	struct gadget_info		*gi;  in configfs_composite_unbind()  local
1387 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_unbind()
1388 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_unbind()
1389 	gi->unbind = 1;  in configfs_composite_unbind()
1390 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_unbind()
1394 	purge_configs_funcs(gi);  in configfs_composite_unbind()
1397 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_unbind()
1400 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_unbind()
1407 	struct gadget_info *gi;  in configfs_composite_setup()  local
1415 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_setup()
1416 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_setup()
1418 	if (!cdev || gi->unbind) {  in configfs_composite_setup()
1419 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_setup()
1424 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_setup()
1431 	struct gadget_info *gi;  in configfs_composite_disconnect()  local
1438 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_disconnect()
1439 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_disconnect()
1441 	if (!cdev || gi->unbind) {  in configfs_composite_disconnect()
1442 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_disconnect()
1447 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_disconnect()
1453 	struct gadget_info *gi;  in configfs_composite_suspend()  local
1460 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_suspend()
1461 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_suspend()
1463 	if (!cdev || gi->unbind) {  in configfs_composite_suspend()
1464 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_suspend()
1469 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_suspend()
1475 	struct gadget_info *gi;  in configfs_composite_resume()  local
1482 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_resume()
1483 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_resume()
1485 	if (!cdev || gi->unbind) {  in configfs_composite_resume()
1486 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_resume()
1491 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_resume()
1517 	struct gadget_info *gi;  in gadgets_make()  local
1519 	gi = kzalloc(sizeof(*gi), GFP_KERNEL);  in gadgets_make()
1520 	if (!gi)  in gadgets_make()
1523 	config_group_init_type_name(&gi->group, name, &gadget_root_type);  in gadgets_make()
1525 	config_group_init_type_name(&gi->functions_group, "functions",  in gadgets_make()
1527 	configfs_add_default_group(&gi->functions_group, &gi->group);  in gadgets_make()
1529 	config_group_init_type_name(&gi->configs_group, "configs",  in gadgets_make()
1531 	configfs_add_default_group(&gi->configs_group, &gi->group);  in gadgets_make()
1533 	config_group_init_type_name(&gi->strings_group, "strings",  in gadgets_make()
1535 	configfs_add_default_group(&gi->strings_group, &gi->group);  in gadgets_make()
1537 	config_group_init_type_name(&gi->os_desc_group, "os_desc",  in gadgets_make()
1539 	configfs_add_default_group(&gi->os_desc_group, &gi->group);  in gadgets_make()
1541 	gi->composite.bind = configfs_do_nothing;  in gadgets_make()
1542 	gi->composite.unbind = configfs_do_nothing;  in gadgets_make()
1543 	gi->composite.suspend = NULL;  in gadgets_make()
1544 	gi->composite.resume = NULL;  in gadgets_make()
1545 	gi->composite.max_speed = USB_SPEED_SUPER;  in gadgets_make()
1547 	mutex_init(&gi->lock);  in gadgets_make()
1548 	INIT_LIST_HEAD(&gi->string_list);  in gadgets_make()
1549 	INIT_LIST_HEAD(&gi->available_func);  in gadgets_make()
1551 	composite_init_dev(&gi->cdev);  in gadgets_make()
1552 	gi->cdev.desc.bLength = USB_DT_DEVICE_SIZE;  in gadgets_make()
1553 	gi->cdev.desc.bDescriptorType = USB_DT_DEVICE;  in gadgets_make()
1554 	gi->cdev.desc.bcdDevice = cpu_to_le16(get_default_bcdDevice());  in gadgets_make()
1556 	gi->composite.gadget_driver = configfs_driver_template;  in gadgets_make()
1558 	gi->composite.gadget_driver.function = kstrdup(name, GFP_KERNEL);  in gadgets_make()
1559 	gi->composite.name = gi->composite.gadget_driver.function;  in gadgets_make()
1561 	if (!gi->composite.gadget_driver.function)  in gadgets_make()
1564 	return &gi->group;  in gadgets_make()
1566 	kfree(gi);  in gadgets_make()
1597 	struct gadget_info *gi = to_gadget_info(item);  in unregister_gadget_item()  local
1599 	mutex_lock(&gi->lock);  in unregister_gadget_item()
1600 	unregister_gadget(gi);  in unregister_gadget_item()
1601 	mutex_unlock(&gi->lock);  in unregister_gadget_item()