139 struct usb_interface *usb_ifnum_to_if(const struct usb_device *dev,  in usb_ifnum_to_if()  argument
142 	struct usb_host_config *config = dev->actconfig;  in usb_ifnum_to_if()
194 static int __find_interface(struct device *dev, void *data)  in __find_interface()  argument
199 	if (!is_usb_interface(dev))  in __find_interface()
202 	if (dev->driver != arg->drv)  in __find_interface()
204 	intf = to_usb_interface(dev);  in __find_interface()
222 	struct device *dev;  in usb_find_interface()  local
227 	dev = bus_find_device(&usb_bus_type, NULL, &argb, __find_interface);  in usb_find_interface()
230 	put_device(dev);  in usb_find_interface()
232 	return dev ? to_usb_interface(dev) : NULL;  in usb_find_interface()
241 static int __each_dev(struct device *dev, void *data)  in __each_dev()  argument
246 	if (!is_usb_device(dev))  in __each_dev()
249 	return arg->fn(container_of(dev, struct usb_device, dev), arg->data);  in __each_dev()
276 static void usb_release_dev(struct device *dev)  in usb_release_dev()  argument
281 	udev = to_usb_device(dev);  in usb_release_dev()
293 static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)  in usb_dev_uevent()  argument
297 	usb_dev = to_usb_device(dev);  in usb_dev_uevent()
317 static int usb_dev_prepare(struct device *dev)  in usb_dev_prepare()  argument
322 static void usb_dev_complete(struct device *dev)  in usb_dev_complete()  argument
325 	usb_resume_complete(dev);  in usb_dev_complete()
328 static int usb_dev_suspend(struct device *dev)  in usb_dev_suspend()  argument
330 	return usb_suspend(dev, PMSG_SUSPEND);  in usb_dev_suspend()
333 static int usb_dev_resume(struct device *dev)  in usb_dev_resume()  argument
335 	return usb_resume(dev, PMSG_RESUME);  in usb_dev_resume()
338 static int usb_dev_freeze(struct device *dev)  in usb_dev_freeze()  argument
340 	return usb_suspend(dev, PMSG_FREEZE);  in usb_dev_freeze()
343 static int usb_dev_thaw(struct device *dev)  in usb_dev_thaw()  argument
345 	return usb_resume(dev, PMSG_THAW);  in usb_dev_thaw()
348 static int usb_dev_poweroff(struct device *dev)  in usb_dev_poweroff()  argument
350 	return usb_suspend(dev, PMSG_HIBERNATE);  in usb_dev_poweroff()
353 static int usb_dev_restore(struct device *dev)  in usb_dev_restore()  argument
355 	return usb_resume(dev, PMSG_RESTORE);  in usb_dev_restore()
375 static char *usb_devnode(struct device *dev,  in usb_devnode()  argument
380 	usb_dev = to_usb_device(dev);  in usb_devnode()
422 	struct usb_device *dev;  in usb_alloc_dev()  local
426 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in usb_alloc_dev()
427 	if (!dev)  in usb_alloc_dev()
431 		kfree(dev);  in usb_alloc_dev()
436 		!usb_hcd->driver->alloc_dev(usb_hcd, dev)) {  in usb_alloc_dev()
438 		kfree(dev);  in usb_alloc_dev()
442 	device_initialize(&dev->dev);  in usb_alloc_dev()
443 	dev->dev.bus = &usb_bus_type;  in usb_alloc_dev()
444 	dev->dev.type = &usb_device_type;  in usb_alloc_dev()
445 	dev->dev.groups = usb_device_groups;  in usb_alloc_dev()
446 	dev->dev.dma_mask = bus->controller->dma_mask;  in usb_alloc_dev()
447 	set_dev_node(&dev->dev, dev_to_node(bus->controller));  in usb_alloc_dev()
448 	dev->state = USB_STATE_ATTACHED;  in usb_alloc_dev()
449 	dev->lpm_disable_count = 1;  in usb_alloc_dev()
450 	atomic_set(&dev->urbnum, 0);  in usb_alloc_dev()
452 	INIT_LIST_HEAD(&dev->ep0.urb_list);  in usb_alloc_dev()
453 	dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE;  in usb_alloc_dev()
454 	dev->ep0.desc.bDescriptorType = USB_DT_ENDPOINT;  in usb_alloc_dev()
456 	usb_enable_endpoint(dev, &dev->ep0, false);  in usb_alloc_dev()
457 	dev->can_submit = 1;  in usb_alloc_dev()
468 		dev->devpath[0] = '0';  in usb_alloc_dev()
469 		dev->route = 0;  in usb_alloc_dev()
471 		dev->dev.parent = bus->controller;  in usb_alloc_dev()
472 		dev_set_name(&dev->dev, "usb%d", bus->busnum);  in usb_alloc_dev()
477 			snprintf(dev->devpath, sizeof dev->devpath,  in usb_alloc_dev()
480 			dev->route = 0;  in usb_alloc_dev()
482 			snprintf(dev->devpath, sizeof dev->devpath,  in usb_alloc_dev()
486 				dev->route = parent->route +  in usb_alloc_dev()
489 				dev->route = parent->route +  in usb_alloc_dev()
493 		dev->dev.parent = &parent->dev;  in usb_alloc_dev()
494 		dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath);  in usb_alloc_dev()
499 	dev->portnum = port1;  in usb_alloc_dev()
500 	dev->bus = bus;  in usb_alloc_dev()
501 	dev->parent = parent;  in usb_alloc_dev()
502 	INIT_LIST_HEAD(&dev->filelist);  in usb_alloc_dev()
505 	pm_runtime_set_autosuspend_delay(&dev->dev,  in usb_alloc_dev()
507 	dev->connect_time = jiffies;  in usb_alloc_dev()
508 	dev->active_duration = -jiffies;  in usb_alloc_dev()
511 		dev->authorized = 1;  in usb_alloc_dev()
513 		dev->authorized = usb_hcd->authorized_default;  in usb_alloc_dev()
514 		dev->wusb = usb_bus_is_wusb(bus) ? 1 : 0;  in usb_alloc_dev()
516 	return dev;  in usb_alloc_dev()
532 struct usb_device *usb_get_dev(struct usb_device *dev)  in usb_get_dev()  argument
534 	if (dev)  in usb_get_dev()
535 		get_device(&dev->dev);  in usb_get_dev()
536 	return dev;  in usb_get_dev()
547 void usb_put_dev(struct usb_device *dev)  in usb_put_dev()  argument
549 	if (dev)  in usb_put_dev()
550 		put_device(&dev->dev);  in usb_put_dev()
569 		get_device(&intf->dev);  in usb_get_intf()
585 		put_device(&intf->dev);  in usb_put_intf()
666 int usb_get_current_frame_number(struct usb_device *dev)  in usb_get_current_frame_number()  argument
668 	return usb_hcd_get_frame_number(dev);  in usb_get_current_frame_number()
730 void *usb_alloc_coherent(struct usb_device *dev, size_t size, gfp_t mem_flags,  in usb_alloc_coherent()  argument
733 	if (!dev || !dev->bus)  in usb_alloc_coherent()
735 	return hcd_buffer_alloc(dev->bus, size, mem_flags, dma);  in usb_alloc_coherent()
750 void usb_free_coherent(struct usb_device *dev, size_t size, void *addr,  in usb_free_coherent()  argument
753 	if (!dev || !dev->bus)  in usb_free_coherent()
757 	hcd_buffer_free(dev->bus, size, addr, dma);  in usb_free_coherent()
785 			|| !urb->dev
786 			|| !(bus = urb->dev->bus)
823 			|| !urb->dev
824 			|| !(bus = urb->dev->bus)
857 			|| !urb->dev
858 			|| !(bus = urb->dev->bus)
901 int usb_buffer_map_sg(const struct usb_device *dev, int is_in,
907 	if (!dev
908 			|| !(bus = dev->bus)
937 void usb_buffer_dmasync_sg(const struct usb_device *dev, int is_in,
943 	if (!dev
944 			|| !(bus = dev->bus)
965 void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in,
971 	if (!dev
972 			|| !(bus = dev->bus)
989 	struct device *dev = data;  in usb_bus_notify()  local
993 		if (dev->type == &usb_device_type)  in usb_bus_notify()
994 			(void) usb_create_sysfs_dev_files(to_usb_device(dev));  in usb_bus_notify()
995 		else if (dev->type == &usb_if_device_type)  in usb_bus_notify()
996 			usb_create_sysfs_intf_files(to_usb_interface(dev));  in usb_bus_notify()
1000 		if (dev->type == &usb_device_type)  in usb_bus_notify()
1001 			usb_remove_sysfs_dev_files(to_usb_device(dev));  in usb_bus_notify()
1002 		else if (dev->type == &usb_if_device_type)  in usb_bus_notify()
1003 			usb_remove_sysfs_intf_files(to_usb_interface(dev));  in usb_bus_notify()