tag	line	file	source code
UART_SCR	2655	drivers/char/serial.c	scratch = serial_in(info, UART_SCR);
UART_SCR	2656	drivers/char/serial.c	serial_outp(info, UART_SCR, 0xa5);
UART_SCR	2657	drivers/char/serial.c	status1 = serial_in(info, UART_SCR);
UART_SCR	2658	drivers/char/serial.c	serial_outp(info, UART_SCR, 0x5a);
UART_SCR	2659	drivers/char/serial.c	status2 = serial_in(info, UART_SCR);
UART_SCR	2660	drivers/char/serial.c	serial_outp(info, UART_SCR, scratch);