[PATCH] 68328serial: remove unsed m68k_serial->tqueue_hangup

From: Tejun Heo
Date: Mon Jan 24 2011 - 11:53:50 EST


m68k_serial->tqueue_hangup is unused. Remove it.

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Greg Ungerer <gerg@xxxxxxxxxxx>
Cc: Greg Kroah-Hartman <greg@xxxxxxxxx>
---
drivers/tty/serial/68328serial.c | 23 -----------------------
drivers/tty/serial/68328serial.h | 1 -
2 files changed, 24 deletions(-)

Index: work/drivers/tty/serial/68328serial.c
===================================================================
--- work.orig/drivers/tty/serial/68328serial.c
+++ work/drivers/tty/serial/68328serial.c
@@ -393,28 +393,6 @@ static void do_softint(struct work_struc
#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;
Index: work/drivers/tty/serial/68328serial.h
===================================================================
--- work.orig/drivers/tty/serial/68328serial.h
+++ work/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;
};
--
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