tty: use port methods for the rocket driver

Now we have our ducks in order we can begin switching to the port
operations

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index b580fcf629f8..9b8004c72686 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -286,6 +286,9 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f
         port->flags |= ASYNC_CLOSING;
         tty->closing = 1;
         spin_unlock_irqrestore(&port->lock, flags);
+        /* Don't block on a stalled port, just pull the chain */
+        if (tty->flow_stopped)
+                tty_driver_flush_buffer(tty);
         if (port->flags & ASYNC_INITIALIZED &&
                         port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
                 tty_wait_until_sent(tty, port->closing_wait);