tag	line	file	source code
UART_LSR_BI	375	drivers/char/serial.c	if (*status & (UART_LSR_BI)) {
UART_LSR_BI	1166	drivers/char/serial.c	info->read_status_mask |= UART_LSR_BI;
UART_LSR_BI	1172	drivers/char/serial.c	info->ignore_status_mask |= UART_LSR_BI;