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>

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 9cb6e50..133eb18 100644 (file)
--- 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 d0ecc8e..9cb2855 100644 (file)
--- 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;