HelenOS sources

XHCI_LEGSUP_POLLING_DELAY_1MS  424 uspace/drv/bus/usb/xhci/hc.c 	for (int i = 0; i <= (XHCI_LEGSUP_BIOS_TIMEOUT_US / XHCI_LEGSUP_POLLING_DELAY_1MS); i++) {
XHCI_LEGSUP_POLLING_DELAY_1MS  431 uspace/drv/bus/usb/xhci/hc.c 		fibril_usleep(XHCI_LEGSUP_POLLING_DELAY_1MS);
HelenOS homepage, sources at GitHub