1 files changed, 4 insertions, 14 deletions

diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index e85c8c0d1ad9..53ef5996e33d 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -193,8 +193,6 @@ static const struct divisor_table_entry divisor_table[] = {
 /* local variables */
 static int debug;
 
-static int low_latency = 1;	/* tty low latency flag, on by default */
-
 static atomic_t CmdUrbs;	/* Number of outstanding Command Write Urbs */
 
 
@@ -209,8 +207,7 @@ static void edge_bulk_out_cmd_callback(struct urb *urb);
 /* function prototypes for the usbserial callbacks */
 static int edge_open(struct tty_struct *tty, struct usb_serial_port *port,
 					struct file *filp);
-static void edge_close(struct tty_struct *tty, struct usb_serial_port *port,
-					struct file *filp);
+static void edge_close(struct usb_serial_port *port);
 static int edge_write(struct tty_struct *tty, struct usb_serial_port *port,
 					const unsigned char *buf, int count);
 static int edge_write_room(struct tty_struct *tty);
@@ -867,9 +864,6 @@ static int edge_open(struct tty_struct *tty,
 	if (edge_port == NULL)
 		return -ENODEV;
 
-	if (tty)
-		tty->low_latency = low_latency;
-
 	/* see if we've set up our endpoint info yet (can't set it up
 	   in edge_startup as the structures were not set up at that time.) */
 	serial = port->serial;
@@ -970,7 +964,7 @@ static int edge_open(struct tty_struct *tty,
 
 	if (!edge_port->txfifo.fifo) {
 		dbg("%s - no memory", __func__);
-		edge_close(tty, port, filp);
+		edge_close(port);
 		return -ENOMEM;
 	}
 
@@ -980,7 +974,7 @@ static int edge_open(struct tty_struct *tty,
 
 	if (!edge_port->write_urb) {
 		dbg("%s - no memory", __func__);
-		edge_close(tty, port, filp);
+		edge_close(port);
 		return -ENOMEM;
 	}
 
@@ -1104,8 +1098,7 @@ static void block_until_tx_empty(struct edgeport_port *edge_port)
  * edge_close
  *	this function is called by the tty driver when a port is closed
  *****************************************************************************/
-static void edge_close(struct tty_struct *tty,
-			struct usb_serial_port *port, struct file *filp)
+static void edge_close(struct usb_serial_port *port)
 {
 	struct edgeport_serial *edge_serial;
 	struct edgeport_port *edge_port;
@@ -3299,6 +3292,3 @@ MODULE_FIRMWARE("edgeport/down2.fw");
 
 module_param(debug, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Debug enabled or not");
-
-module_param(low_latency, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(low_latency, "Low latency enabled or not");