USB: serial: quatech2: drop two stub functions

Drop two unused stub functions which only served as documentation.

This also avoids a W=1 (-Wunused-but-set-variable) warning.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index f93b81a..872d1bc 100644 (file)
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -480,21 +480,6 @@ static void qt2_process_status(struct usb_serial_port *port, unsigned char *ch)
        }
 }
 
-/* not needed, kept to document functionality */
-static void qt2_process_xmit_empty(struct usb_serial_port *port,
-                                  unsigned char *ch)
-{
-       int bytes_written;
-
-       bytes_written = (int)(*ch) + (int)(*(ch + 1) << 4);
-}
-
-/* not needed, kept to document functionality */
-static void qt2_process_flush(struct usb_serial_port *port, unsigned char *ch)
-{
-       return;
-}
-
 static void qt2_process_read_urb(struct urb *urb)
 {
        struct usb_serial *serial;
@@ -540,7 +525,7 @@ static void qt2_process_read_urb(struct urb *urb)
                                                 __func__);
                                        break;
                                }
-                               qt2_process_xmit_empty(port, ch + 3);
+                               /* bytes_written = (ch[1] << 4) + ch[0]; */
                                i += 4;
                                escapeflag = true;
                                break;
@@ -569,7 +554,6 @@ static void qt2_process_read_urb(struct urb *urb)
                                break;
                        case QT2_REC_FLUSH:
                        case QT2_XMIT_FLUSH:
-                               qt2_process_flush(port, ch + 2);
                                i += 2;
                                escapeflag = true;
                                break;