aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-09 11:51:40 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-09 11:51:40 -0800
commitd3d373e0e3f51f335d8c722dd1340ab812fdf94b (patch)
tree766175dfbbd5688f77e69fe43c835865fd864d2d /drivers
parentaceb91cd351bc3a19a783c901fe8a8070d5f6fa9 (diff)
parent5084f89303c0a138f66bf74662753f46878989bb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio: console: Update Copyright virtio: console: Wake up outvq on host notifications
Diffstat (limited to 'drivers')
-rw-r--r--drivers/tty/hvc/virtio_console.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/tty/hvc/virtio_console.c b/drivers/tty/hvc/virtio_console.c
index 896a2ced1d2..239d86f9d56 100644
--- a/drivers/tty/hvc/virtio_console.c
+++ b/drivers/tty/hvc/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
@@ -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";
}