tty: rocket: Remove private close_wait

This driver's private completion variable, close_wait, is no longer
used for wait since "tty: Remove ASYNC_CLOSING checks in open()/hangup";
remove.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/rocket.c

@@ -643,7 +643,6 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
 	info->chan = chan;
 	tty_port_init(&info->port);
 	info->port.ops = &rocket_port_ops;
-	init_completion(&info->close_wait);
 	info->flags &= ~ROCKET_MODE_MASK;
 	switch (pc104[board][line]) {
 	case 422:
@@ -1049,7 +1048,6 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
 	mutex_unlock(&port->mutex);
 	tty_port_tty_set(port, NULL);
 
-	complete_all(&info->close_wait);
 	atomic_dec(&rp_num_ports_open);
 
 #ifdef ROCKET_DEBUG_OPEN

drivers/tty/rocket_int.h

@@ -1144,7 +1144,6 @@ struct r_port {
 	int read_status_mask;
 	int cps;
 
-	struct completion close_wait;	/* Not yet matching the core */
 	spinlock_t slock;
 	struct mutex write_mtx;
 };