taglinefilesource code
PORT_UNKNOWN333kernel/chr_drv/serial.cinfo->type = PORT_UNKNOWN;
PORT_UNKNOWN357kernel/chr_drv/serial.cinfo->type = PORT_UNKNOWN;
PORT_UNKNOWN787kernel/chr_drv/serial.cinfo->type = PORT_UNKNOWN;
PORT_UNKNOWN797kernel/chr_drv/serial.cif (info->type == PORT_UNKNOWN)