HelenOS sources

XHCI_INTR_IP      183 uspace/drv/bus/usb/xhci/debug.c 	DUMP_REG(&hc->rt_regs->ir[0], XHCI_INTR_IP);
XHCI_INTR_IP      573 uspace/drv/bus/usb/xhci/hc.c 	int ip = XHCI_REG_RD(hc->rt_regs->ir, XHCI_INTR_IP);
XHCI_INTR_IP      577 uspace/drv/bus/usb/xhci/hc.c 		XHCI_REG_WR(hc->rt_regs->ir, XHCI_INTR_IP, 1);