port_index
struct usb_device *parent_hub, uint8_t depth, uint8_t port_index,
parent_dev, bus, parent_hub, depth, port_index, port_no,
udev->port_index = port_index;
parent_hub->hub->ports + port_index : NULL, udev, device_index);
udev->parent_hub->hub->ports + udev->port_index : NULL,
uint8_t port_index; /* parent HUB port index */
uint8_t port_index, uint8_t port_no,
trace_i915_request_in(rq, port_index(port, execlists));
trace_i915_request_in(rq, port_index(port, execlists));
GEM_BUG_ON(port_index(port, execlists) != 0);
((initport_indices[cpu].port_index++) + (uint32_t)cpu) %
uint32_t port_index;