-static void empeg_set_termios (struct usb_serial_port *port, struct termios *old_termios);
-static void empeg_write_bulk_callback (struct urb *urb, struct pt_regs *regs);
-static void empeg_read_bulk_callback (struct urb *urb, struct pt_regs *regs);
+static void empeg_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
+static void empeg_write_bulk_callback (struct urb *urb);
+static void empeg_read_bulk_callback (struct urb *urb);