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>
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 4a4110e..f4d9c39 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -870,6 +870,13 @@
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 @@
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_port_operations rocket_port_ops = {
.carrier_raised = carrier_raised,
+ .raise_dtr_rts = raise_dtr_rts,
};
/*