Provided by: kernel-doc-2.4.27_2.4.27-12_all
usb_alloc_bus - creates a new USB host controller structure
struct usb_bus * usb_alloc_bus (struct usb_operations *op);
op pointer to a struct usb_operations that this bus structure
Creates a USB host controller bus structure with the specified
usb_operations and initializes all the necessary internal objects.
(For use only by USB Host Controller Drivers.)
If no memory is available, NULL is returned.
The caller should call usb_free_bus when it is finished with the