From 4749380ed688884a3bd3328b1bf32529d96aa49b Mon Sep 17 00:00:00 2001
From: Daniel Walker <dwalker@mvista.com>
Date: Wed, 6 Feb 2008 01:37:32 -0800
Subject: [PATCH] drivers/isdn/i4l/isdn_tty.c: remove write_sem

I couldn't find any users, so removing it..

Signed-off-by: Daniel Walker <dwalker@mvista.com>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/isdn/i4l/isdn_tty.c | 1 -
 include/linux/isdn.h        | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 9cb6e5021adb9..133eb18e65cca 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1917,7 +1917,6 @@ isdn_tty_modem_init(void)
 		info->owner = THIS_MODULE;
 #endif
 		spin_lock_init(&info->readlock);
-		init_MUTEX(&info->write_sem);
 		sprintf(info->last_cause, "0000");
 		sprintf(info->last_num, "none");
 		info->last_dir = 0;
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index d0ecc8eebfbfd..9cb2855bb170d 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -507,7 +507,6 @@ typedef struct modem_info {
   struct ktermios	normal_termios;  /* For saving termios structs     */
   struct ktermios	callout_termios;
   wait_queue_head_t	open_wait, close_wait;
-  struct semaphore      write_sem;
   spinlock_t	        readlock;
 } modem_info;
 
-- 
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