HelenOS sources

XHCI_STATUS_ACK_MASK  402 uspace/drv/bus/usb/xhci/hc.c 	code->cmds[4].value = host2xhci(32, XHCI_STATUS_ACK_MASK);
XHCI_STATUS_ACK_MASK  576 uspace/drv/bus/usb/xhci/hc.c 		XHCI_REG_WR(hc->op_regs, XHCI_OP_STATUS, *status & XHCI_STATUS_ACK_MASK);