diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-09 11:51:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-09 11:51:40 -0800 |
| commit | d3d373e0e3f51f335d8c722dd1340ab812fdf94b (patch) | |
| tree | 766175dfbbd5688f77e69fe43c835865fd864d2d /drivers | |
| parent | aceb91cd351bc3a19a783c901fe8a8070d5f6fa9 (diff) | |
| parent | 5084f89303c0a138f66bf74662753f46878989bb (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.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/tty/hvc/virtio_console.c b/drivers/tty/hvc/virtio_console.c index 896a2ced1d27..239d86f9d560 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"; } |