taglinefilesource code
rng465drivers/char/serial.cinfo->icount.rng++;
rng2003drivers/char/serial.cif ( ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
rng2030drivers/char/serial.cput_user(cnow.rng, &p_cuser->rng);
rng2758drivers/char/serial.cinfo->icount.rng = info->icount.dcd = 0;
rng106include/linux/serial.hint cts, dsr, rng, dcd;
rng128include/linux/serial.h__u32  cts, dsr, rng, dcd;