tag	line	file	source code
UART_FCR_CLEAR_CMD	559	kernel/chr_drv/serial.c	serial_outp(info, UART_FCR, UART_FCR_CLEAR_CMD);
UART_FCR_CLEAR_CMD	625	kernel/chr_drv/serial.c	serial_outp(info, UART_FCR, UART_FCR_CLEAR_CMD); /* disable FIFO's */