tag	line	file	source code
SER1_TIMEOUT	65	kernel/chr_drv/serial.c	unsigned int timer = SER1_TIMEOUT + info->line;
SER1_TIMEOUT	462	kernel/chr_drv/serial.c	timer_table[SER1_TIMEOUT].fn = com1_timeout;
SER1_TIMEOUT	463	kernel/chr_drv/serial.c	timer_table[SER1_TIMEOUT].expires = 0;