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>

1 files changed, 3 insertions, 25 deletions

diff --git a/drivers/staging/uc2322/aten2011.c b/drivers/staging/uc2322/aten2011.c
index 85b705453066..9c62f787cc9c 100644
--- 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) {