tty: Pull the dtr raise into tty port

This moves another per device special out of what should be shared open
wait paths into private methods

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

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 4a4110e703a5..f4d9c3993488 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -870,6 +870,13 @@ static int carrier_raised(struct tty_port *port)
         return (sGetChanStatusLo(&info->channel) & CD_ACT) ? 1 : 0;
 }
 
+static void raise_dtr_rts(struct tty_port *port)
+{
+        struct r_port *info = container_of(port, struct r_port, port);
+        sSetDTR(&info->channel);
+        sSetRTS(&info->channel);
+}
+
 /*  info->port.count is considered critical, protected by spinlocks.  */
 static int block_til_ready(struct tty_struct *tty, struct file *filp,
                            struct r_port *info)
@@ -928,10 +935,8 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp,
         spin_unlock_irqrestore(&info->slock, flags);
 
         while (1) {
-                if (tty->termios->c_cflag & CBAUD) {
-                        sSetDTR(&info->channel);
-                        sSetRTS(&info->channel);
-                }
+                if (tty->termios->c_cflag & CBAUD)
+                        tty_port_raise_dtr_rts(port);
                 set_current_state(TASK_INTERRUPTIBLE);
                 if (tty_hung_up_p(filp) || !(info->flags & ROCKET_INITIALIZED)) {
                         if (info->flags & ROCKET_HUP_NOTIFY)
@@ -2381,6 +2386,7 @@ static const struct tty_operations rocket_ops = {
 
 static const struct tty_port_operations rocket_port_ops = {
         .carrier_raised = carrier_raised,
+        .raise_dtr_rts = raise_dtr_rts,
 };
 
 /*