1781 unsigned int set, unsigned int clear)
1782{
1783 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1784 unsigned long flags;
1785 struct specialix_board *bp;
1786
1787 func_enter();
1788
1789 if (sx_paranoia_check(port, tty->name, __func__)) {
1790 func_exit();
1791 return -ENODEV;
1792 }
1793
1794 bp = port_Board(port);
1795
1796 spin_lock_irqsave(&port->lock, flags);
1797 if (sx_crtscts(port->port.tty)) {
1798 if (set & TIOCM_RTS)
1799 port->MSVR |= MSVR_DTR;
1800 } else {
1801 if (set & TIOCM_DTR)
1802 port->MSVR |= MSVR_DTR;
1803 }
1804 if (sx_crtscts(port->port.tty)) {
1805 if (clear & TIOCM_RTS)
1806 port->MSVR &= ~MSVR_DTR;
1807 } else {
1808 if (clear & TIOCM_DTR)
1809 port->MSVR &= ~MSVR_DTR;
1810 }
1811 spin_lock_irqsave(&bp->lock, flags);
1812 sx_out(bp, CD186x_CAR, port_No(port));
1813 sx_out(bp, CD186x_MSVR, port->MSVR);
1814 spin_unlock_irqrestore(&bp->lock, flags);
1815 spin_unlock_irqrestore(&port->lock, flags);
1816 func_exit();
1817 return 0;
1818}
1819
1820
1821static int sx_send_break(struct tty_struct *tty, int length)