tag	line	file	source code
custom_divisor	47	include/linux/serial.h	int      custom_divisor;
custom_divisor	78	include/linux/tty.h	int  custom_divisor;
custom_divisor	497	kernel/chr_drv/serial.c	quot = info->custom_divisor;
custom_divisor	789	kernel/chr_drv/serial.c	info->custom_divisor = 0;