198 int usb_add_function(struct usb_configuration *config,  in usb_add_function()  argument
203 	DBG(config->cdev, "adding '%s'/%p to config '%s'/%p\n",  in usb_add_function()
205 			config->label, config);  in usb_add_function()
210 	function->config = config;  in usb_add_function()
211 	list_add_tail(&function->list, &config->functions);  in usb_add_function()
221 		value = function->bind(config, function);  in usb_add_function()
224 			function->config = NULL;  in usb_add_function()
234 	if (!config->fullspeed && function->fs_descriptors)  in usb_add_function()
235 		config->fullspeed = true;  in usb_add_function()
236 	if (!config->highspeed && function->hs_descriptors)  in usb_add_function()
237 		config->highspeed = true;  in usb_add_function()
238 	if (!config->superspeed && function->ss_descriptors)  in usb_add_function()
239 		config->superspeed = true;  in usb_add_function()
243 		DBG(config->cdev, "adding '%s'/%p --> %d\n",  in usb_add_function()
282 	struct usb_composite_dev	*cdev = function->config->cdev;  in usb_function_deactivate()
310 	struct usb_composite_dev	*cdev = function->config->cdev;  in usb_function_activate()
352 int usb_interface_id(struct usb_configuration *config,  in usb_interface_id()  argument
355 	unsigned id = config->next_interface_id;  in usb_interface_id()
358 		config->interface[id] = function;  in usb_interface_id()
359 		config->next_interface_id = id + 1;  in usb_interface_id()
385 static int config_buf(struct usb_configuration *config,  in config_buf()  argument
400 	c->bNumInterfaces = config->next_interface_id;  in config_buf()
401 	c->bConfigurationValue = config->bConfigurationValue;  in config_buf()
402 	c->iConfiguration = config->iConfiguration;  in config_buf()
403 	c->bmAttributes = USB_CONFIG_ATT_ONE | config->bmAttributes;  in config_buf()
404 	c->bMaxPower = encode_bMaxPower(speed, config);  in config_buf()
407 	if (config->descriptors) {  in config_buf()
409 				config->descriptors);  in config_buf()
417 	list_for_each_entry(f, &config->functions, list) {  in config_buf()
628 	list_for_each_entry(f, &cdev->config->functions, list) {  in reset_config()
634 	cdev->config = NULL;  in reset_config()
655 				if (cdev->config)  in set_config()
664 		if (cdev->config)  in set_config()
677 	cdev->config = c;  in set_config()
746 		struct usb_configuration *config)  in usb_add_config_only()  argument
750 	if (!config->bConfigurationValue)  in usb_add_config_only()
755 		if (c->bConfigurationValue == config->bConfigurationValue)  in usb_add_config_only()
759 	config->cdev = cdev;  in usb_add_config_only()
760 	list_add_tail(&config->list, &cdev->configs);  in usb_add_config_only()
762 	INIT_LIST_HEAD(&config->functions);  in usb_add_config_only()
763 	config->next_interface_id = 0;  in usb_add_config_only()
764 	memset(config->interface, 0, sizeof(config->interface));  in usb_add_config_only()
786 		struct usb_configuration *config,  in usb_add_config()  argument
795 			config->bConfigurationValue,  in usb_add_config()
796 			config->label, config);  in usb_add_config()
798 	status = usb_add_config_only(cdev, config);  in usb_add_config()
802 	status = bind(config);  in usb_add_config()
804 		while (!list_empty(&config->functions)) {  in usb_add_config()
807 			f = list_first_entry(&config->functions,  in usb_add_config()
813 				f->unbind(config, f);  in usb_add_config()
817 		list_del(&config->list);  in usb_add_config()
818 		config->cdev = NULL;  in usb_add_config()
823 			config->bConfigurationValue, config,  in usb_add_config()
824 			config->superspeed ? " super" : "",  in usb_add_config()
825 			config->highspeed ? " high" : "",  in usb_add_config()
826 			config->fullspeed  in usb_add_config()
833 			struct usb_function	*f = config->interface[i];  in usb_add_config()
847 		DBG(cdev, "added config '%s'/%u --> %d\n", config->label,  in usb_add_config()
848 				config->bConfigurationValue, status);  in usb_add_config()
854 			      struct usb_configuration *config)  in remove_config()  argument
856 	while (!list_empty(&config->functions)) {  in remove_config()
859 		f = list_first_entry(&config->functions,  in remove_config()
864 			f->unbind(config, f);  in remove_config()
868 	list_del(&config->list);  in remove_config()
869 	if (config->unbind) {  in remove_config()
870 		DBG(cdev, "unbind config '%s'/%p\n", config->label, config);  in remove_config()
871 		config->unbind(config);  in remove_config()
886 		      struct usb_configuration *config)  in usb_remove_config()  argument
892 	if (cdev->config == config)  in usb_remove_config()
897 	remove_config(cdev, config);  in usb_remove_config()
1546 				struct usb_configuration *config;  in composite_setup()  local
1549 				if (cdev->config)  in composite_setup()
1550 					config = cdev->config;  in composite_setup()
1552 					config = list_first_entry(  in composite_setup()
1555 				if (!config)  in composite_setup()
1567 				memcpy(req->buf, config->descriptors[0], value);  in composite_setup()
1592 		if (cdev->config)  in composite_setup()
1593 			*(u8 *)req->buf = cdev->config->bConfigurationValue;  in composite_setup()
1605 		if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)  in composite_setup()
1607 		f = cdev->config->interface[intf];  in composite_setup()
1625 		if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)  in composite_setup()
1627 		f = cdev->config->interface[intf];  in composite_setup()
1652 		if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)  in composite_setup()
1654 		f = cdev->config->interface[intf];  in composite_setup()
1675 			if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)  in composite_setup()
1677 			f = cdev->config->interface[intf];  in composite_setup()
1794 		if (cdev->config) {  in composite_setup()
1795 			list_for_each_entry(f, &cdev->config->functions, list)  in composite_setup()
1803 			if (!cdev->config || intf >= MAX_CONFIG_INTERFACES)  in composite_setup()
1805 			f = cdev->config->interface[intf];  in composite_setup()
1810 			list_for_each_entry(f, &cdev->config->functions, list) {  in composite_setup()
1814 			if (&f->list == &cdev->config->functions)  in composite_setup()
1824 			c = cdev->config;  in composite_setup()
1877 	if (cdev->config)  in composite_disconnect()
1905 	WARN_ON(cdev->config);  in __composite_unbind()
2123 	if (cdev->config) {  in composite_suspend()
2124 		list_for_each_entry(f, &cdev->config->functions, list) {  in composite_suspend()
2149 	if (cdev->config) {  in composite_resume()
2150 		list_for_each_entry(f, &cdev->config->functions, list) {  in composite_resume()
2155 		maxpower = cdev->config->MaxPower;  in composite_resume()