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)
1822{
1823 struct specialix_port *port = (struct specialix_port *)tty->driver_data;
1824 struct specialix_board *bp = port_Board(port);
1825 unsigned long flags;
1826
1827 func_enter();
1828 if (length == 0 || length == -1)
1829 return -EOPNOTSUPP;
1830
1831 spin_lock_irqsave(&port->lock, flags);
1832 port->break_length = SPECIALIX_TPS / HZ * length;
1833 port->COR2 |= COR2_ETC;
1834 port->IER |= IER_TXRDY;
1835 spin_lock_irqsave(&bp->lock, flags);
1836 sx_out(bp, CD186x_CAR, port_No(port));
1837 sx_out(bp, CD186x_COR2, port->COR2);
1838 sx_out(bp, CD186x_IER, port->IER);
1839 spin_unlock_irqrestore(&bp->lock, flags);
1840 spin_unlock_irqrestore(&port->lock, flags);
1841 sx_wait_CCR(bp);
1842 spin_lock_irqsave(&bp->lock, flags);
1843 sx_out(bp, CD186x_CCR, CCR_CORCHG2);
1844 spin_unlock_irqrestore(&bp->lock, flags);
1845 sx_wait_CCR(bp);
1846
1847 func_exit();
1848 return 0;
1849}
1850