@@ -825,13 +825,11 @@ static int vidioc_s_fmt_overlay(struct file *file, void *priv,
if (err)
return err;
- mutex_lock(&dev->lock);
fh->win = f->fmt.win;
spin_lock_irqsave(&dev->slock, flags);
viu_start_preview(dev, fh);
spin_unlock_irqrestore(&dev->slock, flags);
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1311,7 +1309,8 @@ static int viu_open(struct file *file)
videobuf_queue_dma_contig_init(&fh->vb_vidq, &viu_video_qops,
dev->dev, &fh->vbq_lock,
fh->type, V4L2_FIELD_INTERLACED,
- sizeof(struct viu_buf), fh, NULL);
+ sizeof(struct viu_buf), fh,
+ &fh->dev->lock);
return 0;
}
@@ -1401,7 +1400,7 @@ static struct v4l2_file_operations viu_fops = {
.release = viu_release,
.read = viu_read,
.poll = viu_poll,
- .ioctl = video_ioctl2, /* V4L2 ioctl handler */
+ .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
.mmap = viu_mmap,
};
@@ -1499,9 +1498,6 @@ static int __devinit viu_of_probe(struct platform_device *op,
INIT_LIST_HEAD(&viu_dev->vidq.active);
INIT_LIST_HEAD(&viu_dev->vidq.queued);
- /* initialize locks */
- mutex_init(&viu_dev->lock);
-
snprintf(viu_dev->v4l2_dev.name,
sizeof(viu_dev->v4l2_dev.name), "%s", "VIU");
ret = v4l2_device_register(viu_dev->dev, &viu_dev->v4l2_dev);
@@ -1532,8 +1528,15 @@ static int __devinit viu_of_probe(struct platform_device *op,
viu_dev->vdev = vdev;
+ /* initialize locks */
+ mutex_init(&viu_dev->lock);
+ viu_dev->vdev->lock = &viu_dev->lock;
+ spin_lock_init(&viu_dev->slock);
+
video_set_drvdata(viu_dev->vdev, viu_dev);
+ mutex_lock(&viu_dev->lock);
+
ret = video_register_device(viu_dev->vdev, VFL_TYPE_GRABBER, -1);
if (ret < 0) {
video_device_release(viu_dev->vdev);
@@ -1560,6 +1563,8 @@ static int __devinit viu_of_probe(struct platform_device *op,
goto err_irq;
}
+ mutex_unlock(&viu_dev->lock);
+
dev_info(&op->dev, "Freescale VIU Video Capture Board\n");
return ret;
@@ -1569,6 +1574,7 @@ err_irq:
err_clk:
video_unregister_device(viu_dev->vdev);
err_vdev:
+ mutex_unlock(&viu_dev->lock);
i2c_put_adapter(ad);
v4l2_device_unregister(&viu_dev->v4l2_dev);
err: