aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/virtio_console.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/virtio_console.c')
-rw-r--r--drivers/char/virtio_console.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 896a2ced1d2..49039318633 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1,6 +1,7 @@
/*
* Copyright (C) 2006, 2007, 2009 Rusty Russell, IBM Corporation
- * Copyright (C) 2009, 2010 Red Hat, Inc.
+ * Copyright (C) 2009, 2010, 2011 Red Hat, Inc.
+ * Copyright (C) 2009, 2010, 2011 Amit Shah <amit.shah@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -31,7 +32,7 @@
#include <linux/virtio_console.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
-#include "hvc_console.h"
+#include "../tty/hvc/hvc_console.h"
/*
* This is a global struct for storing common data for all the devices
@@ -1462,6 +1463,17 @@ static void control_work_handler(struct work_struct *work)
spin_unlock(&portdev->cvq_lock);
}
+static void out_intr(struct virtqueue *vq)
+{
+ struct port *port;
+
+ port = find_port_by_vq(vq->vdev->priv, vq);
+ if (!port)
+ return;
+
+ wake_up_interruptible(&port->waitqueue);
+}
+
static void in_intr(struct virtqueue *vq)
{
struct port *port;
@@ -1566,7 +1578,7 @@ static int init_vqs(struct ports_device *portdev)
*/
j = 0;
io_callbacks[j] = in_intr;
- io_callbacks[j + 1] = NULL;
+ io_callbacks[j + 1] = out_intr;
io_names[j] = "input";
io_names[j + 1] = "output";
j += 2;
@@ -1580,7 +1592,7 @@ static int init_vqs(struct ports_device *portdev)
for (i = 1; i < nr_ports; i++) {
j += 2;
io_callbacks[j] = in_intr;
- io_callbacks[j + 1] = NULL;
+ io_callbacks[j + 1] = out_intr;
io_names[j] = "input";
io_names[j + 1] = "output";
}