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

We simply define it to the same value.  Nowdays the TTY flip value is
irrelevant but the value it used is as good as any so why risk breaking it

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

 drivers/char/mxser.h |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -puN drivers/char/mxser.h~mxser-remove-use-of-dead-tty_flipbuf_size-definition drivers/char/mxser.h
--- a/drivers/char/mxser.h~mxser-remove-use-of-dead-tty_flipbuf_size-definition
+++ a/drivers/char/mxser.h
@@ -30,8 +30,7 @@
 
 #define TTY_THRESHOLD_THROTTLE  128
 
-#define LO_WATER	 	(TTY_FLIPBUF_SIZE)
-#define HI_WATER		(TTY_FLIPBUF_SIZE*2*3/4)
+#define HI_WATER		768
 
 // added by James. 03-11-2004.
 #define MOXA_SDS_GETICOUNTER  	(MOXA + 68)
_