68328serial: remove unsed m68k_serial->tqueue_hangup

m68k_serial->tqueue_hangup is unused.  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 0 insertions, 24 deletions

diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
index be0ebce36e54..a9d99856c892 100644
--- a/drivers/tty/serial/68328serial.c
+++ b/drivers/tty/serial/68328serial.c
@@ -393,28 +393,6 @@ static void do_softint(struct work_struct *work)
 #endif   
 }
 
-/*
- * This routine is called from the scheduler tqueue when the interrupt
- * routine has signalled that a hangup has occurred.  The path of
- * hangup processing is:
- *
- *      serial interrupt routine -> (scheduler tqueue) ->
- *      do_serial_hangup() -> tty->hangup() -> rs_hangup()
- * 
- */
-static void do_serial_hangup(struct work_struct *work)
-{
-        struct m68k_serial      *info = container_of(work, struct m68k_serial, tqueue_hangup);
-        struct tty_struct       *tty;
-        
-        tty = info->port.tty;
-        if (!tty)
-                return;
-
-        tty_hangup(tty);
-}
-
-
 static int startup(struct m68k_serial * info)
 {
         m68328_uart *uart = &uart_addr[info->line];
@@ -1348,7 +1326,6 @@ rs68328_init(void)
             info->count = 0;
             info->blocked_open = 0;
             INIT_WORK(&info->tqueue, do_softint);
-            INIT_WORK(&info->tqueue_hangup, do_serial_hangup);
             init_waitqueue_head(&info->open_wait);
             init_waitqueue_head(&info->close_wait);
             info->line = i;
diff --git a/drivers/tty/serial/68328serial.h b/drivers/tty/serial/68328serial.h
index 664ceb0a158c..8c9c3c0745db 100644
--- a/drivers/tty/serial/68328serial.h
+++ b/drivers/tty/serial/68328serial.h
@@ -159,7 +159,6 @@ struct m68k_serial {
         int                     xmit_tail;
         int                     xmit_cnt;
         struct work_struct      tqueue;
-        struct work_struct      tqueue_hangup;
         wait_queue_head_t       open_wait;
         wait_queue_head_t       close_wait;
 };