tag	line	file	source code
UART_IIR	525	drivers/char/serial.c	(serial_in(info, UART_IIR) & UART_IIR_NO_INT)) {
UART_IIR	595	drivers/char/serial.c	} while (!(serial_in(info, UART_IIR) & UART_IIR_NO_INT));
UART_IIR	931	drivers/char/serial.c	(void) serial_inp(info, UART_IIR);
UART_IIR	971	drivers/char/serial.c	(void)serial_inp(info, UART_IIR);
UART_IIR	2207	drivers/char/serial.c	(void)serial_inp(info, UART_IIR);
UART_IIR	2333	drivers/char/serial.c	scratch = serial_in(info, UART_IIR) >> 6;