unsigned int set, unsigned int clear)
{
struct iuu_private *priv = usb_get_serial_port_data(port);
- struct tty_struct *tty;
- tty = port->tty;
+ unsigned long flags;
+ /* FIXME: locking on tiomstatus */
dbg("%s (%d) msg : SET = 0x%04x, CLEAR = 0x%04x ", __FUNCTION__,
port->number, set, clear);
+
+ spin_lock_irqsave(&priv->lock, flags);
if (set & TIOCM_RTS)
priv->tiostatus = TIOCM_RTS;
if (!(set & TIOCM_RTS) && priv->tiostatus == TIOCM_RTS) {
dbg("%s TIOCMSET RESET called !!!", __FUNCTION__);
priv->reset = 1;
- return 0;
}
-
+ spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
static int iuu_tiocmget(struct usb_serial_port *port, struct file *file)
{
struct iuu_private *priv = usb_get_serial_port_data(port);
- return priv->tiostatus;
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ rc = priv->tiostatus;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ return rc;
}
static void iuu_rxcmd(struct urb *urb)