usb_take_controller_t
(((usb_take_controller_t *)(device_get_method(dev, "usb_take_controller")))(dev,## __VA_ARGS__))
static usb_take_controller_t ehci_pci_take_controller;
static usb_take_controller_t ohci_pci_take_controller;
static usb_take_controller_t uhci_pci_take_controller;
static usb_take_controller_t xhci_pci_take_controller;