HelenOS sources

NS8250_LCR_STOPBITS  636 uspace/drv/char/ns8250/ns8250.c 	if ((val >> NS8250_LCR_STOPBITS) & 1)
NS8250_LCR_STOPBITS  674 uspace/drv/char/ns8250/ns8250.c 		val |= ONE_STOP_BIT << NS8250_LCR_STOPBITS;
NS8250_LCR_STOPBITS  677 uspace/drv/char/ns8250/ns8250.c 		val |= TWO_STOP_BITS << NS8250_LCR_STOPBITS;
HelenOS homepage, sources at GitHub