ehci_allocate_isoc_in_resource
if ((error = ehci_allocate_isoc_in_resource(ehcip, pp, itw, 0)) ==
if (ehci_allocate_isoc_in_resource(ehcip, pp, itw, usb_flags) !=
int ehci_allocate_isoc_in_resource(
extern int ehci_allocate_isoc_in_resource(