tty: Add carrier processing on close to the tty_port core
[safe/jmp/linux-2.6] / drivers / char / synclinkmp.c
index 26de60e..6f727e3 100644 (file)
@@ -3277,13 +3277,16 @@ static int carrier_raised(struct tty_port *port)
        return (info->serial_signals & SerialSignal_DCD) ? 1 : 0;
 }
 
-static void raise_dtr_rts(struct tty_port *port)
+static void dtr_rts(struct tty_port *port, int on)
 {
        SLMP_INFO *info = container_of(port, SLMP_INFO, port);
        unsigned long flags;
 
        spin_lock_irqsave(&info->lock,flags);
-       info->serial_signals |= SerialSignal_RTS + SerialSignal_DTR;
+       if (on)
+               info->serial_signals |= SerialSignal_RTS + SerialSignal_DTR;
+       else
+               info->serial_signals &= ~(SerialSignal_RTS + SerialSignal_DTR);
        set_signals(info);
        spin_unlock_irqrestore(&info->lock,flags);
 }
@@ -3746,7 +3749,7 @@ static void add_device(SLMP_INFO *info)
 
 static const struct tty_port_operations port_ops = {
        .carrier_raised = carrier_raised,
-       .raise_dtr_rts = raise_dtr_rts,
+       .dtr_rts = dtr_rts,
 };
 
 /* Allocate and initialize a device instance structure