usb_create_hcd — create and initialize an HCD structure
struct usb_hcd * usb_create_hcd
(const struct hc_driver * driver, struct device * dev, char * bus_name);
HC driver that will use this hcd
device for this HC, stored in hcd->self.controller
value to store in hcd->self.bus_name
!in_interrupt
Allocate a struct usb_hcd, with extra space at the end for the HC driver's private data. Initialize the generic members of the hcd structure.
If memory is unavailable, returns NULL.