241 	struct gadget_info *gi = to_gadget_info(item);  in gadget_dev_desc_UDC_show()  local
245 	mutex_lock(&gi->lock);  in gadget_dev_desc_UDC_show()
246 	udc_name = gi->composite.gadget_driver.udc_name;  in gadget_dev_desc_UDC_show()
248 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_show()
253 static int unregister_gadget(struct gadget_info *gi)  in unregister_gadget()  argument
257 	if (!gi->composite.gadget_driver.udc_name)  in unregister_gadget()
260 	ret = usb_gadget_unregister_driver(&gi->composite.gadget_driver);  in unregister_gadget()
263 	kfree(gi->composite.gadget_driver.udc_name);  in unregister_gadget()
264 	gi->composite.gadget_driver.udc_name = NULL;  in unregister_gadget()
271 	struct gadget_info *gi = to_gadget_info(item);  in gadget_dev_desc_UDC_store()  local
284 	mutex_lock(&gi->lock);  in gadget_dev_desc_UDC_store()
287 		ret = unregister_gadget(gi);  in gadget_dev_desc_UDC_store()
292 		if (gi->composite.gadget_driver.udc_name) {  in gadget_dev_desc_UDC_store()
296 		gi->composite.gadget_driver.udc_name = name;  in gadget_dev_desc_UDC_store()
297 		ret = usb_gadget_register_driver(&gi->composite.gadget_driver);  in gadget_dev_desc_UDC_store()
299 			gi->composite.gadget_driver.udc_name = NULL;  in gadget_dev_desc_UDC_store()
303 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
307 	mutex_unlock(&gi->lock);  in gadget_dev_desc_UDC_store()
322 	struct gadget_info *gi = to_gadget_info(item);  in gadget_dev_desc_max_speed_store()  local
324 	mutex_lock(&gi->lock);  in gadget_dev_desc_max_speed_store()
327 	if (gi->composite.gadget_driver.udc_name)  in gadget_dev_desc_max_speed_store()
331 		gi->composite.max_speed = USB_SPEED_SUPER_PLUS;  in gadget_dev_desc_max_speed_store()
333 		gi->composite.max_speed = USB_SPEED_SUPER;  in gadget_dev_desc_max_speed_store()
335 		gi->composite.max_speed = USB_SPEED_HIGH;  in gadget_dev_desc_max_speed_store()
337 		gi->composite.max_speed = USB_SPEED_FULL;  in gadget_dev_desc_max_speed_store()
339 		gi->composite.max_speed = USB_SPEED_LOW;  in gadget_dev_desc_max_speed_store()
343 	gi->composite.gadget_driver.max_speed = gi->composite.max_speed;  in gadget_dev_desc_max_speed_store()
345 	mutex_unlock(&gi->lock);  in gadget_dev_desc_max_speed_store()
348 	mutex_unlock(&gi->lock);  in gadget_dev_desc_max_speed_store()
399 	struct gadget_info *gi = to_gadget_info(item);  in gadget_info_attr_release()  local
401 	WARN_ON(!list_empty(&gi->cdev.configs));  in gadget_info_attr_release()
402 	WARN_ON(!list_empty(&gi->string_list));  in gadget_info_attr_release()
403 	WARN_ON(!list_empty(&gi->available_func));  in gadget_info_attr_release()
404 	kfree(gi->composite.gadget_driver.function);  in gadget_info_attr_release()
405 	kfree(gi->composite.gadget_driver.driver.name);  in gadget_info_attr_release()
406 	kfree(gi);  in gadget_info_attr_release()
428 	struct gadget_info *gi = cfg_to_gadget_info(cfg);  in config_usb_cfg_link()  local
436 	mutex_lock(&gi->lock);  in config_usb_cfg_link()
443 	if (gi->composite.gadget_driver.udc_name) {  in config_usb_cfg_link()
448 	list_for_each_entry(iter, &gi->available_func, cfs_list) {  in config_usb_cfg_link()
476 	mutex_unlock(&gi->lock);  in config_usb_cfg_link()
485 	struct gadget_info *gi = cfg_to_gadget_info(cfg);  in config_usb_cfg_unlink()  local
497 	mutex_lock(&gi->lock);  in config_usb_cfg_unlink()
498 	if (gi->composite.gadget_driver.udc_name)  in config_usb_cfg_unlink()
499 		unregister_gadget(gi);  in config_usb_cfg_unlink()
500 	WARN_ON(gi->composite.gadget_driver.udc_name);  in config_usb_cfg_unlink()
506 			mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
510 	mutex_unlock(&gi->lock);  in config_usb_cfg_unlink()
602 	struct gadget_info *gi;  in function_make()  local
639 	gi = container_of(group, struct gadget_info, functions_group);  in function_make()
641 	mutex_lock(&gi->lock);  in function_make()
642 	list_add_tail(&fi->cfs_list, &gi->available_func);  in function_make()
643 	mutex_unlock(&gi->lock);  in function_make()
652 	struct gadget_info *gi;  in function_drop()  local
654 	gi = container_of(group, struct gadget_info, functions_group);  in function_drop()
656 	mutex_lock(&gi->lock);  in function_drop()
658 	mutex_unlock(&gi->lock);  in function_drop()
696 	struct gadget_info *gi;  in config_desc_make()  local
703 	gi = container_of(group, struct gadget_info, configs_group);  in config_desc_make()
745 	ret = usb_add_config_only(&gi->cdev, &cfg->c);  in config_desc_make()
909 	struct gadget_info *gi;  in gadget_language_make()  local
925 	gi = container_of(group, struct gadget_info, strings_group);  in gadget_language_make()
927 	list_for_each_entry(gs, &gi->string_list, list) {  in gadget_language_make()
936 	list_add_tail(&new->list, &gi->string_list);  in gadget_language_make()
979 	struct gadget_info *gi = webusb_item_to_gadget_info(item);  in webusb_use_store()  local
987 	mutex_lock(&gi->lock);  in webusb_use_store()
988 	gi->use_webusb = use;  in webusb_use_store()
989 	mutex_unlock(&gi->lock);  in webusb_use_store()
1003 	struct gadget_info *gi = webusb_item_to_gadget_info(item);  in webusb_bcdVersion_store()  local
1015 	mutex_lock(&gi->lock);  in webusb_bcdVersion_store()
1016 	gi->bcd_webusb_version = bcdVersion;  in webusb_bcdVersion_store()
1017 	mutex_unlock(&gi->lock);  in webusb_bcdVersion_store()
1031 	struct gadget_info *gi = webusb_item_to_gadget_info(item);  in webusb_bVendorCode_store()  local
1039 	mutex_lock(&gi->lock);  in webusb_bVendorCode_store()
1040 	gi->b_webusb_vendor_code = b_vendor_code;  in webusb_bVendorCode_store()
1041 	mutex_unlock(&gi->lock);  in webusb_bVendorCode_store()
1054 	struct gadget_info *gi = webusb_item_to_gadget_info(item);  in webusb_landingPage_store()  local
1063 	if (l > sizeof(gi->landing_page)) {  in webusb_landingPage_store()
1082 	mutex_lock(&gi->lock);  in webusb_landingPage_store()
1084 	memcpy_and_pad(gi->landing_page, sizeof(gi->landing_page), page, l, 0);  in webusb_landingPage_store()
1085 	mutex_unlock(&gi->lock);  in webusb_landingPage_store()
1124 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_use_store()  local
1132 	mutex_lock(&gi->lock);  in os_desc_use_store()
1133 	gi->use_os_desc = use;  in os_desc_use_store()
1134 	mutex_unlock(&gi->lock);  in os_desc_use_store()
1148 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_b_vendor_code_store()  local
1156 	mutex_lock(&gi->lock);  in os_desc_b_vendor_code_store()
1157 	gi->b_vendor_code = b_vendor_code;  in os_desc_b_vendor_code_store()
1158 	mutex_unlock(&gi->lock);  in os_desc_b_vendor_code_store()
1165 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_qw_sign_show()  local
1168 	res = utf16s_to_utf8s((wchar_t *) gi->qw_sign, OS_STRING_QW_SIGN_LEN,  in os_desc_qw_sign_show()
1178 	struct gadget_info *gi = os_desc_item_to_gadget_info(item);  in os_desc_qw_sign_store()  local
1185 	mutex_lock(&gi->lock);  in os_desc_qw_sign_store()
1187 			      UTF16_LITTLE_ENDIAN, (wchar_t *) gi->qw_sign,  in os_desc_qw_sign_store()
1191 	mutex_unlock(&gi->lock);  in os_desc_qw_sign_store()
1210 	struct gadget_info *gi = os_desc_item_to_gadget_info(os_desc_ci);  in os_desc_link()  local
1211 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_link()
1216 	mutex_lock(&gi->lock);  in os_desc_link()
1237 	mutex_unlock(&gi->lock);  in os_desc_link()
1244 	struct gadget_info *gi = os_desc_item_to_gadget_info(os_desc_ci);  in os_desc_unlink()  local
1245 	struct usb_composite_dev *cdev = &gi->cdev;  in os_desc_unlink()
1247 	mutex_lock(&gi->lock);  in os_desc_unlink()
1248 	if (gi->composite.gadget_driver.udc_name)  in os_desc_unlink()
1249 		unregister_gadget(gi);  in os_desc_unlink()
1251 	WARN_ON(gi->composite.gadget_driver.udc_name);  in os_desc_unlink()
1252 	mutex_unlock(&gi->lock);  in os_desc_unlink()
1569 static void purge_configs_funcs(struct gadget_info *gi)  in purge_configs_funcs()  argument
1573 	list_for_each_entry(c, &gi->cdev.configs, list) {  in purge_configs_funcs()
1583 				dev_dbg(&gi->cdev.gadget->dev,  in purge_configs_funcs()
1599 configfs_attach_gadget_strings(struct gadget_info *gi)  in configfs_attach_gadget_strings()  argument
1611 	list_for_each(iter, &gi->string_list)  in configfs_attach_gadget_strings()
1623 	list_for_each_entry(language, &gi->string_list, list) {  in configfs_attach_gadget_strings()
1659 	us = usb_gstrings_attach(&gi->cdev, gadget_strings, nstrings);  in configfs_attach_gadget_strings()
1662 	list_for_each_entry(language, &gi->string_list, list) {  in configfs_attach_gadget_strings()
1676 	struct gadget_info		*gi = container_of(composite,  in configfs_composite_bind()  local
1678 	struct usb_composite_dev	*cdev = &gi->cdev;  in configfs_composite_bind()
1685 	gi->unbind = 0;  in configfs_composite_bind()
1694 	if (list_empty(&gi->cdev.configs)) {  in configfs_composite_bind()
1696 				gi->composite.name);  in configfs_composite_bind()
1701 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1708 			      gi->composite.name);  in configfs_composite_bind()
1714 	if (!list_empty(&gi->string_list)) {  in configfs_composite_bind()
1715 		s = configfs_attach_gadget_strings(gi);  in configfs_composite_bind()
1721 		gi->cdev.desc.iManufacturer = s[USB_GADGET_MANUFACTURER_IDX].id;  in configfs_composite_bind()
1722 		gi->cdev.desc.iProduct = s[USB_GADGET_PRODUCT_IDX].id;  in configfs_composite_bind()
1723 		gi->cdev.desc.iSerialNumber = s[USB_GADGET_SERIAL_IDX].id;  in configfs_composite_bind()
1725 		gi->cdev.usb_strings = s;  in configfs_composite_bind()
1728 	if (gi->use_webusb) {  in configfs_composite_bind()
1730 		cdev->bcd_webusb_version = gi->bcd_webusb_version;  in configfs_composite_bind()
1731 		cdev->b_webusb_vendor_code = gi->b_webusb_vendor_code;  in configfs_composite_bind()
1732 		memcpy(cdev->landing_page, gi->landing_page, WEBUSB_URL_RAW_MAX_LENGTH);  in configfs_composite_bind()
1735 	if (gi->use_os_desc) {  in configfs_composite_bind()
1737 		cdev->b_vendor_code = gi->b_vendor_code;  in configfs_composite_bind()
1738 		memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN);  in configfs_composite_bind()
1755 	list_for_each_entry(c, &gi->cdev.configs, list) {  in configfs_composite_bind()
1777 			s = usb_gstrings_attach(&gi->cdev, cfg->gstrings, 1);  in configfs_composite_bind()
1809 	purge_configs_funcs(gi);  in configfs_composite_bind()
1818 	struct gadget_info		*gi;  in configfs_composite_unbind()  local
1824 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_unbind()
1825 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_unbind()
1826 	gi->unbind = 1;  in configfs_composite_unbind()
1827 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_unbind()
1831 	purge_configs_funcs(gi);  in configfs_composite_unbind()
1834 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_unbind()
1839 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_unbind()
1846 	struct gadget_info *gi;  in configfs_composite_setup()  local
1854 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_setup()
1855 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_setup()
1857 	if (!cdev || gi->unbind) {  in configfs_composite_setup()
1858 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_setup()
1863 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_setup()
1870 	struct gadget_info *gi;  in configfs_composite_disconnect()  local
1877 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_disconnect()
1878 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_disconnect()
1880 	if (!cdev || gi->unbind) {  in configfs_composite_disconnect()
1881 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_disconnect()
1886 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_disconnect()
1892 	struct gadget_info *gi;  in configfs_composite_reset()  local
1899 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_reset()
1900 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_reset()
1902 	if (!cdev || gi->unbind) {  in configfs_composite_reset()
1903 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_reset()
1908 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_reset()
1914 	struct gadget_info *gi;  in configfs_composite_suspend()  local
1921 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_suspend()
1922 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_suspend()
1924 	if (!cdev || gi->unbind) {  in configfs_composite_suspend()
1925 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_suspend()
1930 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_suspend()
1936 	struct gadget_info *gi;  in configfs_composite_resume()  local
1943 	gi = container_of(cdev, struct gadget_info, cdev);  in configfs_composite_resume()
1944 	spin_lock_irqsave(&gi->spinlock, flags);  in configfs_composite_resume()
1946 	if (!cdev || gi->unbind) {  in configfs_composite_resume()
1947 		spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_resume()
1952 	spin_unlock_irqrestore(&gi->spinlock, flags);  in configfs_composite_resume()
1977 	struct gadget_info *gi;  in gadgets_make()  local
1979 	gi = kzalloc(sizeof(*gi), GFP_KERNEL);  in gadgets_make()
1980 	if (!gi)  in gadgets_make()
1983 	config_group_init_type_name(&gi->group, name, &gadget_root_type);  in gadgets_make()
1985 	config_group_init_type_name(&gi->functions_group, "functions",  in gadgets_make()
1987 	configfs_add_default_group(&gi->functions_group, &gi->group);  in gadgets_make()
1989 	config_group_init_type_name(&gi->configs_group, "configs",  in gadgets_make()
1991 	configfs_add_default_group(&gi->configs_group, &gi->group);  in gadgets_make()
1993 	config_group_init_type_name(&gi->strings_group, "strings",  in gadgets_make()
1995 	configfs_add_default_group(&gi->strings_group, &gi->group);  in gadgets_make()
1997 	config_group_init_type_name(&gi->os_desc_group, "os_desc",  in gadgets_make()
1999 	configfs_add_default_group(&gi->os_desc_group, &gi->group);  in gadgets_make()
2001 	config_group_init_type_name(&gi->webusb_group, "webusb",  in gadgets_make()
2003 	configfs_add_default_group(&gi->webusb_group, &gi->group);  in gadgets_make()
2005 	gi->composite.bind = configfs_do_nothing;  in gadgets_make()
2006 	gi->composite.unbind = configfs_do_nothing;  in gadgets_make()
2007 	gi->composite.suspend = NULL;  in gadgets_make()
2008 	gi->composite.resume = NULL;  in gadgets_make()
2009 	gi->composite.max_speed = USB_SPEED_SUPER_PLUS;  in gadgets_make()
2011 	spin_lock_init(&gi->spinlock);  in gadgets_make()
2012 	mutex_init(&gi->lock);  in gadgets_make()
2013 	INIT_LIST_HEAD(&gi->string_list);  in gadgets_make()
2014 	INIT_LIST_HEAD(&gi->available_func);  in gadgets_make()
2016 	composite_init_dev(&gi->cdev);  in gadgets_make()
2017 	gi->cdev.desc.bLength = USB_DT_DEVICE_SIZE;  in gadgets_make()
2018 	gi->cdev.desc.bDescriptorType = USB_DT_DEVICE;  in gadgets_make()
2019 	gi->cdev.desc.bcdDevice = cpu_to_le16(get_default_bcdDevice());  in gadgets_make()
2021 	gi->composite.gadget_driver = configfs_driver_template;  in gadgets_make()
2023 	gi->composite.gadget_driver.driver.name = kasprintf(GFP_KERNEL,  in gadgets_make()
2025 	if (!gi->composite.gadget_driver.driver.name)  in gadgets_make()
2028 	gi->composite.gadget_driver.function = kstrdup(name, GFP_KERNEL);  in gadgets_make()
2029 	gi->composite.name = gi->composite.gadget_driver.function;  in gadgets_make()
2031 	if (!gi->composite.gadget_driver.function)  in gadgets_make()
2034 	return &gi->group;  in gadgets_make()
2037 	kfree(gi->composite.gadget_driver.driver.name);  in gadgets_make()
2039 	kfree(gi);  in gadgets_make()
2070 	struct gadget_info *gi = to_gadget_info(item);  in unregister_gadget_item()  local
2072 	mutex_lock(&gi->lock);  in unregister_gadget_item()
2073 	unregister_gadget(gi);  in unregister_gadget_item()
2074 	mutex_unlock(&gi->lock);  in unregister_gadget_item()