/* Functions local to drivers/usb/core/ */extern void usb_create_sysfs_dev_files (struct usb_device *dev);extern void usb_remove_sysfs_dev_files (struct usb_device *dev);extern void usb_create_sysfs_intf_files (struct usb_interface *intf);extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);extern void usb_disable_interface (struct usb_device *dev,		struct usb_interface *intf);extern void usb_release_interface_cache(struct kref *ref);extern void usb_disable_device (struct usb_device *dev, int skip_ep0);extern int usb_get_device_descriptor(struct usb_device *dev,		unsigned int size);extern char *usb_cache_string(struct usb_device *udev, int index);extern int usb_set_configuration(struct usb_device *dev, int configuration);extern void usb_lock_all_devices(void);extern void usb_unlock_all_devices(void);extern void usb_kick_khubd(struct usb_device *dev);extern void usb_suspend_root_hub(struct usb_device *hdev);extern void usb_resume_root_hub(struct usb_device *dev);extern int  usb_hub_init(void);extern void usb_hub_cleanup(void);extern int usb_major_init(void);extern void usb_major_cleanup(void);extern int usb_host_init(void);extern void usb_host_cleanup(void);extern int usb_suspend_device(struct usb_device *dev);extern int usb_resume_device(struct usb_device *dev);/* Interfaces and their "power state" are owned by usbcore */static inline void mark_active(struct usb_interface *f){	f->dev.power.power_state.event = PM_EVENT_ON;}static inline void mark_quiesced(struct usb_interface *f){	f->dev.power.power_state.event = PM_EVENT_FREEZE;}static inline int is_active(struct usb_interface *f){	return f->dev.power.power_state.event == PM_EVENT_ON;}/* for labeling diagnostics */extern const char *usbcore_name;/* usbfs stuff */extern struct usb_driver usbfs_driver;extern struct file_operations usbfs_devices_fops;extern struct file_operations usbfs_device_file_operations;extern void usbfs_conn_disc_event(void);extern int usbdev_init(void);extern void usbdev_cleanup(void);struct dev_state {	struct list_head list;      /* state list */	struct usb_device *dev;	struct file *file;	spinlock_t lock;            /* protects the async urb lists */	struct list_head async_pending;	struct list_head async_completed;	wait_queue_head_t wait;     /* wake up if a request completed */	unsigned int discsignr;	pid_t disc_pid;	uid_t disc_uid, disc_euid;	void __user *disccontext;	unsigned long ifclaimed;};/* internal notify stuff */extern void usb_notify_add_device(struct usb_device *udev);extern void usb_notify_remove_device(struct usb_device *udev);extern void usb_notify_add_bus(struct usb_bus *ubus);extern void usb_notify_remove_bus(struct usb_bus *ubus);