pub fn usb_allocator(
usb: USB,
clocks: &mut GenericClockController,
pm: &mut PM,
dm: UsbN,
dp: UsbP,
) -> UsbBusAllocator<UsbBus>pub fn usb_allocator(
usb: USB,
clocks: &mut GenericClockController,
pm: &mut PM,
dm: UsbN,
dp: UsbP,
) -> UsbBusAllocator<UsbBus>