177   struct usb_bus    *bus;  member
218   void *(*buffer_alloc)(struct usb_bus *bus, size_t size,
221   void (*buffer_free)(struct usb_bus *bus, size_t size,
301 extern void usb_bus_init (struct usb_bus *bus);
348 void *hcd_buffer_alloc (struct usb_bus *bus, size_t size,
350 void hcd_buffer_free (struct usb_bus *bus, size_t size,
559 extern struct usb_bus *usb_bus_get (struct usb_bus *bus);
560 extern void usb_bus_put (struct usb_bus *bus);
580 extern void usbfs_add_bus(struct usb_bus *bus);
581 extern void usbfs_remove_bus(struct usb_bus *bus);
591 static __inline__ void usbfs_add_bus(struct usb_bus *bus) {}  in usbfs_add_bus()  argument
592 static __inline__ void usbfs_remove_bus(struct usb_bus *bus) {}  in usbfs_remove_bus()  argument