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-rw-r--r--drivers/tty/hvc/hvc_console.c11
-rw-r--r--drivers/tty/hvc/hvc_console.h3
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index eb255e807c06..9eba119bcdd3 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -361,7 +361,12 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
tty->driver_data = NULL;
tty_port_put(&hp->port);
printk(KERN_ERR "hvc_open: request_irq failed with rc %d.\n", rc);
- }
+ } else
+ /* We are ready... raise DTR/RTS */
+ if (C_BAUD(tty))
+ if (hp->ops->dtr_rts)
+ hp->ops->dtr_rts(hp, 1);
+
/* Force wakeup of the polling thread */
hvc_kick();
@@ -393,6 +398,10 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
/* We are done with the tty pointer now. */
tty_port_tty_set(&hp->port, NULL);
+ if (C_HUPCL(tty))
+ if (hp->ops->dtr_rts)
+ hp->ops->dtr_rts(hp, 0);
+
if (hp->ops->notifier_del)
hp->ops->notifier_del(hp, hp->data);
diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h
index 674d23cb919a..913101980827 100644
--- a/drivers/tty/hvc/hvc_console.h
+++ b/drivers/tty/hvc/hvc_console.h
@@ -75,6 +75,9 @@ struct hv_ops {
/* tiocmget/set implementation */
int (*tiocmget)(struct hvc_struct *hp);
int (*tiocmset)(struct hvc_struct *hp, unsigned int set, unsigned int clear);
+
+ /* Callbacks to handle tty ports */
+ void (*dtr_rts)(struct hvc_struct *hp, int raise);
};
/* Register a vterm and a slot index for use as a console (console_init) */