HelenOS sources

XHCI_EC_SP_CP_COUNT  327 uspace/drv/bus/usb/xhci/debug.c 		ports_to = ports_from + XHCI_REG_RD(ec, XHCI_EC_SP_CP_COUNT) - 1;
XHCI_EC_SP_CP_COUNT  113 uspace/drv/bus/usb/xhci/hc.c 			unsigned count = XHCI_REG_RD(ec, XHCI_EC_SP_CP_COUNT);