[media] fsl-viu: replace .ioctl by .unlocked_ioctl
Use the core-assisted locking in fsl-viu driver and switch to .unlocked_ioctl. Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -825,13 +825,11 @@ static int vidioc_s_fmt_overlay(struct file *file, void *priv,
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if (err)
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return err;
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mutex_lock(&dev->lock);
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fh->win = f->fmt.win;
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spin_lock_irqsave(&dev->slock, flags);
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viu_start_preview(dev, fh);
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spin_unlock_irqrestore(&dev->slock, flags);
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mutex_unlock(&dev->lock);
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return 0;
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}
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@ -1311,7 +1309,8 @@ static int viu_open(struct file *file)
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videobuf_queue_dma_contig_init(&fh->vb_vidq, &viu_video_qops,
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dev->dev, &fh->vbq_lock,
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fh->type, V4L2_FIELD_INTERLACED,
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sizeof(struct viu_buf), fh, NULL);
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sizeof(struct viu_buf), fh,
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&fh->dev->lock);
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return 0;
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}
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@ -1401,7 +1400,7 @@ static struct v4l2_file_operations viu_fops = {
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.release = viu_release,
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.read = viu_read,
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.poll = viu_poll,
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.ioctl = video_ioctl2, /* V4L2 ioctl handler */
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.unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
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.mmap = viu_mmap,
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};
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@ -1498,9 +1497,6 @@ static int __devinit viu_of_probe(struct platform_device *op)
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INIT_LIST_HEAD(&viu_dev->vidq.active);
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INIT_LIST_HEAD(&viu_dev->vidq.queued);
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/* initialize locks */
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mutex_init(&viu_dev->lock);
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snprintf(viu_dev->v4l2_dev.name,
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sizeof(viu_dev->v4l2_dev.name), "%s", "VIU");
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ret = v4l2_device_register(viu_dev->dev, &viu_dev->v4l2_dev);
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@ -1531,8 +1527,15 @@ static int __devinit viu_of_probe(struct platform_device *op)
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viu_dev->vdev = vdev;
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/* initialize locks */
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mutex_init(&viu_dev->lock);
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viu_dev->vdev->lock = &viu_dev->lock;
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spin_lock_init(&viu_dev->slock);
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video_set_drvdata(viu_dev->vdev, viu_dev);
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mutex_lock(&viu_dev->lock);
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ret = video_register_device(viu_dev->vdev, VFL_TYPE_GRABBER, -1);
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if (ret < 0) {
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video_device_release(viu_dev->vdev);
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@ -1559,6 +1562,8 @@ static int __devinit viu_of_probe(struct platform_device *op)
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goto err_irq;
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}
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mutex_unlock(&viu_dev->lock);
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dev_info(&op->dev, "Freescale VIU Video Capture Board\n");
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return ret;
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@ -1568,6 +1573,7 @@ err_irq:
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err_clk:
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video_unregister_device(viu_dev->vdev);
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err_vdev:
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mutex_unlock(&viu_dev->lock);
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i2c_put_adapter(ad);
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v4l2_device_unregister(&viu_dev->v4l2_dev);
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err:
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