tag	line	file	source code
ier	355	arch/ppc/kernel/raw_printf.c	#define dlm ier
ier	212	drivers/char/console.c	int     lsr, ier;
ier	220	drivers/char/console.c	ier = serial_echo_inb(UART_IER);
ier	246	drivers/char/console.c	serial_echo_outb(ier, UART_IER);