Staging: aten2011: Clean up some tty bits

Minor fixes for tty layer stuff in this driver

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/uc2322/aten2011.c b/drivers/staging/uc2322/aten2011.c
index 85b7054..9c62f78 100644 (file)
--- a/drivers/staging/uc2322/aten2011.c
+++ b/drivers/staging/uc2322/aten2011.c
@@ -603,10 +603,9 @@ static void ATEN2011_bulk_out_data_callback(struct urb *urb)
 
        tty = tty_port_tty_get(&ATEN2011_port->port->port);
 
-       if (tty && ATEN2011_port->open) {
+       if (tty && ATEN2011_port->open)
                /* tell the tty driver that something has changed */
-               wake_up_interruptible(&tty->write_wait);
-       }
+               tty_wakeup(tty);
 
        /* schedule_work(&ATEN2011_port->port->work); */
        tty_kref_put(tty);
@@ -825,12 +824,6 @@ static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port,
        status = 0;
        status = set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data);
 
-       /* force low_latency on so that our tty_push actually forces *
-        * the data through,otherwise it is scheduled, and with      *
-        * high data rates (like with OHCI) data can get lost.       */
-
-       if (tty)
-               tty->low_latency = 1;
        /*
         * Check to see if we've set up our endpoint info yet
         * (can't set it up in ATEN2011_startup as the structures
@@ -1473,22 +1466,7 @@ static void ATEN2011_set_termios(struct tty_struct *tty,
 
        cflag = tty->termios->c_cflag;
 
-       if (!cflag) {
-               dbg("%s %s", __func__, "cflag is NULL");
-               return;
-       }
-
-       /* check that they really want us to change something */
-       if (old_termios) {
-               if ((cflag == old_termios->c_cflag) &&
-                   (RELEVANT_IFLAG(tty->termios->c_iflag) ==
-                    RELEVANT_IFLAG(old_termios->c_iflag))) {
-                       dbg("%s", "Nothing to change");
-                       return;
-               }
-       }
-
-       dbg("%s - clfag %08x iflag %08x", __func__,
+       dbg("%s - cflag %08x iflag %08x", __func__,
            tty->termios->c_cflag, RELEVANT_IFLAG(tty->termios->c_iflag));
 
        if (old_termios) {