From: Alan Cox <alan@lxorguk.ukuu.org.uk>

This legacy define from the old buffer code is now only used in a single
power pc driver than doesn't compile anyway.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/tty.h |    7 -------
 1 file changed, 7 deletions(-)

diff -puN include/linux/tty.h~tty-kill-tty_flipbuf_size include/linux/tty.h
--- a/include/linux/tty.h~tty-kill-tty_flipbuf_size
+++ a/include/linux/tty.h
@@ -53,13 +53,6 @@
  */
 #define __DISABLED_CHAR '\0'
 
-/*
- * This is the flip buffer used for the tty driver.  The buffer is
- * located in the tty structure, and is used as a high speed interface
- * between the tty driver and the tty line discipline.
- */
-#define TTY_FLIPBUF_SIZE 512
-
 struct tty_buffer {
 	struct tty_buffer *next;
 	char *char_buf_ptr;
_