131 	static ssize_t gadget_dev_desc_##__name##_show(struct gadget_info *gi, \
134 	return sprintf(page, "0x%02x\n", gi->cdev.desc.__name);	\
138 	static ssize_t gadget_dev_desc_##__name##_show(struct gadget_info *gi, \
141 	return sprintf(page, "0x%04x\n", le16_to_cpup(&gi->cdev.desc.__name)); \
146 	static ssize_t gadget_dev_desc_##_name##_store(struct gadget_info *gi, \
154 	gi->cdev.desc._name = val;			\
159 	static ssize_t gadget_dev_desc_##_name##_store(struct gadget_info *gi, \
167 	gi->cdev.desc._name = cpu_to_le16p(&val);	\
197 static ssize_t gadget_dev_desc_bcdDevice_store(struct gadget_info *gi,  in gadget_dev_desc_bcdDevice_store()  argument
210 	gi->cdev.desc.bcdDevice = cpu_to_le16(bcdDevice);  in gadget_dev_desc_bcdDevice_store()
214 static ssize_t gadget_dev_desc_bcdUSB_store(struct gadget_info *gi,  in gadget_dev_desc_bcdUSB_store()  argument
227 	gi->cdev.desc.bcdUSB = cpu_to_le16(bcdUSB);  in gadget_dev_desc_bcdUSB_store()
231 static ssize_t gadget_dev_desc_UDC_show(struct gadget_info *gi, char *page)  in gadget_dev_desc_UDC_show()  argument
233 	return sprintf(page, "%s\n", gi->udc_name ?: "");  in gadget_dev_desc_UDC_show()
236 static int unregister_gadget(struct gadget_info *gi)  in unregister_gadget()  argument
240 	if (!gi->udc_name)  in unregister_gadget()
243 	ret = usb_gadget_unregister_driver(&gi->composite.gadget_driver);  in unregister_gadget()
246 	kfree(gi->udc_name);  in unregister_gadget()
247 	gi->udc_name = NULL;  in unregister_gadget()
251 static ssize_t gadget_dev_desc_UDC_store(struct gadget_info *gi,  in gadget_dev_desc_UDC_store()  argument
263 	mutex_lock(&gi->lock);  in gadget_dev_desc_UDC_store()
266 		ret = unregister_gadget(gi);  in gadget_dev_desc_UDC_store()
270 		if (gi->udc_name) {  in gadget_dev_desc_UDC_store()
274 		ret = usb_udc_attach_driver(name, &gi->composite.gadget_driver);  in gadget_dev_desc_UDC_store()
277 		gi->udc_name = name;  in gadget_dev_desc_UDC_store()
279 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
283 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
343 	struct gadget_info *gi = to_gadget_info(item);  in gadget_info_attr_release()  local
345 	WARN_ON(!list_empty(&gi->cdev.configs));  in gadget_info_attr_release()
346 	WARN_ON(!list_empty(&gi->string_list));  in gadget_info_attr_release()
347 	WARN_ON(!list_empty(&gi->available_func));  in gadget_info_attr_release()
348 	kfree(gi->composite.gadget_driver.function);  in gadget_info_attr_release()
349 	kfree(gi);  in gadget_info_attr_release()
376 	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);  in config_usb_cfg_link()  local
385 	mutex_lock(&gi->lock);  in config_usb_cfg_link()
391 	list_for_each_entry(a_fi, &gi->available_func, cfs_list) {  in config_usb_cfg_link()
417 	mutex_unlock(&gi->lock);  in config_usb_cfg_link()
427 	struct gadget_info *gi = container_of(cdev, struct gadget_info, cdev);  in config_usb_cfg_unlink()  local
440 	mutex_lock(&gi->lock);  in config_usb_cfg_unlink()
441 	if (gi->udc_name)  in config_usb_cfg_unlink()
442 		unregister_gadget(gi);  in config_usb_cfg_unlink()
443 	WARN_ON(gi->udc_name);  in config_usb_cfg_unlink()
449 			mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
453 	mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
550 	struct gadget_info *gi;  in function_make()  local
587 	gi = container_of(group, struct gadget_info, functions_group);  in function_make()
589 	mutex_lock(&gi->lock);  in function_make()
590 	list_add_tail(&fi->cfs_list, &gi->available_func);  in function_make()
591 	mutex_unlock(&gi->lock);  in function_make()
600 	struct gadget_info *gi;  in function_drop()  local
602 	gi = container_of(group, struct gadget_info, functions_group);  in function_drop()
604 	mutex_lock(&gi->lock);  in function_drop()
606 	mutex_unlock(&gi->lock);  in function_drop()
645 	struct gadget_info *gi;  in config_desc_make()  local
652 	gi = container_of(group, struct gadget_info, configs_group);  in config_desc_make()
695 	ret = usb_add_config_only(&gi->cdev, &cfg->c);  in config_desc_make()
760 	struct gadget_info *gi;  in os_desc_use_show()  local
762 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_use_show()
764 	return sprintf(page, "%d", gi->use_os_desc);  in os_desc_use_show()
770 	struct gadget_info *gi;  in os_desc_use_store()  local
774 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_use_store()
776 	mutex_lock(&gi->lock);  in os_desc_use_store()
779 		gi->use_os_desc = use;  in os_desc_use_store()
782 	mutex_unlock(&gi->lock);  in os_desc_use_store()
794 	struct gadget_info *gi;  in os_desc_b_vendor_code_show()  local
796 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_b_vendor_code_show()
798 	return sprintf(page, "%d", gi->b_vendor_code);  in os_desc_b_vendor_code_show()
804 	struct gadget_info *gi;  in os_desc_b_vendor_code_store()  local
808 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_b_vendor_code_store()
810 	mutex_lock(&gi->lock);  in os_desc_b_vendor_code_store()
813 		gi->b_vendor_code = b_vendor_code;  in os_desc_b_vendor_code_store()
816 	mutex_unlock(&gi->lock);  in os_desc_b_vendor_code_store()
828 	struct gadget_info *gi;  in os_desc_qw_sign_show()  local
830 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_qw_sign_show()
832 	memcpy(page, gi->qw_sign, OS_STRING_QW_SIGN_LEN);  in os_desc_qw_sign_show()
840 	struct gadget_info *gi;  in os_desc_qw_sign_store()  local
843 	gi = to_gadget_info(os_desc->group.cg_item.ci_parent);  in os_desc_qw_sign_store()
848 	mutex_lock(&gi->lock);  in os_desc_qw_sign_store()
850 			      UTF16_LITTLE_ENDIAN, (wchar_t *) gi->qw_sign,  in os_desc_qw_sign_store()
854 	mutex_unlock(&gi->lock);  in os_desc_qw_sign_store()
880 	struct gadget_info *gi = container_of(to_config_group(os_desc_ci),  in os_desc_link()  local
882 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_link()
889 	mutex_lock(&gi->lock);  in os_desc_link()
908 	mutex_unlock(&gi->lock);  in os_desc_link()
915 	struct gadget_info *gi = container_of(to_config_group(os_desc_ci),  in os_desc_unlink()  local
917 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_unlink()
919 	mutex_lock(&gi->lock);  in os_desc_unlink()
920 	if (gi->udc_name)  in os_desc_unlink()
921 		unregister_gadget(gi);  in os_desc_unlink()
923 	WARN_ON(gi->udc_name);  in os_desc_unlink()
924 	mutex_unlock(&gi->lock);  in os_desc_unlink()
1278 static void purge_configs_funcs(struct gadget_info *gi)  in purge_configs_funcs()  argument
1282 	list_for_each_entry(c, &gi->cdev.configs, list) {  in purge_configs_funcs()
1292 				dev_err(&gi->cdev.gadget->dev, "unbind function"  in purge_configs_funcs()
1309 	struct gadget_info		*gi = container_of(composite,  in configfs_composite_bind()  local
1311 	struct usb_composite_dev	*cdev = &gi->cdev;  in configfs_composite_bind()
1326 	if (list_empty(&gi->cdev.configs)) {  in configfs_composite_bind()
1328 				gi->composite.name);  in configfs_composite_bind()
1333 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1340 			      gi->composite.name);  in configfs_composite_bind()
1346 	if (!list_empty(&gi->string_list)) {  in configfs_composite_bind()
1350 		list_for_each_entry(gs, &gi->string_list, list) {  in configfs_composite_bind()
1352 			gi->gstrings[i] = &gs->stringtab_dev;  in configfs_composite_bind()
1360 		gi->gstrings[i] = NULL;  in configfs_composite_bind()
1361 		s = usb_gstrings_attach(&gi->cdev, gi->gstrings,  in configfs_composite_bind()
1368 		gi->cdev.desc.iManufacturer = s[USB_GADGET_MANUFACTURER_IDX].id;  in configfs_composite_bind()
1369 		gi->cdev.desc.iProduct = s[USB_GADGET_PRODUCT_IDX].id;  in configfs_composite_bind()
1370 		gi->cdev.desc.iSerialNumber = s[USB_GADGET_SERIAL_IDX].id;  in configfs_composite_bind()
1373 	if (gi->use_os_desc) {  in configfs_composite_bind()
1375 		cdev->b_vendor_code = gi->b_vendor_code;  in configfs_composite_bind()
1376 		memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN);  in configfs_composite_bind()
1380 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1396 			s = usb_gstrings_attach(&gi->cdev, cfg->gstrings, 1);  in configfs_composite_bind()
1424 	purge_configs_funcs(gi);  in configfs_composite_bind()
1433 	struct gadget_info		*gi;  in configfs_composite_unbind()  local
1438 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_unbind()
1440 	purge_configs_funcs(gi);  in configfs_composite_unbind()
1469 	struct gadget_info *gi;  in gadgets_make()  local
1471 	gi = kzalloc(sizeof(*gi), GFP_KERNEL);  in gadgets_make()
1472 	if (!gi)  in gadgets_make()
1475 	gi->group.default_groups = gi->default_groups;  in gadgets_make()
1476 	gi->group.default_groups[0] = &gi->functions_group;  in gadgets_make()
1477 	gi->group.default_groups[1] = &gi->configs_group;  in gadgets_make()
1478 	gi->group.default_groups[2] = &gi->strings_group;  in gadgets_make()
1479 	gi->group.default_groups[3] = &gi->os_desc_group;  in gadgets_make()
1481 	config_group_init_type_name(&gi->functions_group, "functions",  in gadgets_make()
1483 	config_group_init_type_name(&gi->configs_group, "configs",  in gadgets_make()
1485 	config_group_init_type_name(&gi->strings_group, "strings",  in gadgets_make()
1487 	config_group_init_type_name(&gi->os_desc_group, "os_desc",  in gadgets_make()
1490 	gi->composite.bind = configfs_do_nothing;  in gadgets_make()
1491 	gi->composite.unbind = configfs_do_nothing;  in gadgets_make()
1492 	gi->composite.suspend = NULL;  in gadgets_make()
1493 	gi->composite.resume = NULL;  in gadgets_make()
1494 	gi->composite.max_speed = USB_SPEED_SUPER;  in gadgets_make()
1496 	mutex_init(&gi->lock);  in gadgets_make()
1497 	INIT_LIST_HEAD(&gi->string_list);  in gadgets_make()
1498 	INIT_LIST_HEAD(&gi->available_func);  in gadgets_make()
1500 	composite_init_dev(&gi->cdev);  in gadgets_make()
1501 	gi->cdev.desc.bLength = USB_DT_DEVICE_SIZE;  in gadgets_make()
1502 	gi->cdev.desc.bDescriptorType = USB_DT_DEVICE;  in gadgets_make()
1503 	gi->cdev.desc.bcdDevice = cpu_to_le16(get_default_bcdDevice());  in gadgets_make()
1505 	gi->composite.gadget_driver = configfs_driver_template;  in gadgets_make()
1507 	gi->composite.gadget_driver.function = kstrdup(name, GFP_KERNEL);  in gadgets_make()
1508 	gi->composite.name = gi->composite.gadget_driver.function;  in gadgets_make()
1510 	if (!gi->composite.gadget_driver.function)  in gadgets_make()
1514 	gi->otg.bLength = sizeof(struct usb_otg_descriptor);  in gadgets_make()
1515 	gi->otg.bDescriptorType = USB_DT_OTG;  in gadgets_make()
1516 	gi->otg.bmAttributes = USB_OTG_SRP | USB_OTG_HNP;  in gadgets_make()
1519 	config_group_init_type_name(&gi->group, name,  in gadgets_make()
1521 	return &gi->group;  in gadgets_make()
1523 	kfree(gi);  in gadgets_make()
1554 	struct gadget_info *gi = to_gadget_info(item);  in unregister_gadget_item()  local
1556 	unregister_gadget(gi);  in unregister_gadget_item()