- struct stliport *portp;
- struct stlibrd *brdp;
- unsigned long flags;
-
- portp = tty->driver_data;
- if (portp == NULL)
- return;
- if (portp->brdnr >= stli_nrbrds)
- return;
- brdp = stli_brds[portp->brdnr];
- if (brdp == NULL)
- return;
-
- portp->flags &= ~ASYNC_INITIALIZED;
-
- if (!test_bit(ST_CLOSING, &portp->state))
- stli_rawclose(brdp, portp, 0, 0);
-
- spin_lock_irqsave(&stli_lock, flags);
- if (tty->termios->c_cflag & HUPCL) {
- stli_mkasysigs(&portp->asig, 0, 0);
- if (test_bit(ST_CMDING, &portp->state)) {
- set_bit(ST_DOSIGS, &portp->state);
- set_bit(ST_DOFLUSHTX, &portp->state);
- set_bit(ST_DOFLUSHRX, &portp->state);
- } else {
- stli_sendcmd(brdp, portp, A_SETSIGNALSF,
- &portp->asig, sizeof(asysigs_t), 0);
- }
- }
-
- clear_bit(ST_TXBUSY, &portp->state);
- clear_bit(ST_RXSTOP, &portp->state);
- set_bit(TTY_IO_ERROR, &tty->flags);
- portp->tty = NULL;
- portp->flags &= ~ASYNC_NORMAL_ACTIVE;
- portp->refcount = 0;
- spin_unlock_irqrestore(&stli_lock, flags);
-
- wake_up_interruptible(&portp->open_wait);