diff options
| -rw-r--r-- | drivers/tty/hvc/virtio_console.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/tty/hvc/virtio_console.c b/drivers/tty/hvc/virtio_console.c index 896a2ced1d2..ad2520b1e03 100644 --- a/drivers/tty/hvc/virtio_console.c +++ b/drivers/tty/hvc/virtio_console.c @@ -1462,6 +1462,17 @@ 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 +1577,7 @@ 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 +1591,7 @@ 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"; } |