static int rcar_vin_remove(struct platform_device *pdev)
{
struct rvin_dev *vin = platform_get_drvdata(pdev);
pm_runtime_disable(&pdev->dev);
v4l2_async_notifier_unregister(&vin->notifier);
rvin_dma_remove(vin);
return 0;
}
static int rvin_graph_init(struct rvin_dev *vin)
{
struct v4l2_async_subdev **subdevs = NULL;
int ret;
/* Parse the graph to extract a list of subdevice DT nodes. */
ret = rvin_graph_parse(vin, vin->dev->of_node);
if (ret < 0) {
vin_err(vin, "Graph parsing failed\n");
goto done;
}
if (!ret) {
vin_err(vin, "No subdev found in graph\n");
goto done;
}
if (ret != 1) {
vin_err(vin, "More then one subdev found in graph\n");
goto done;
}
/* Register the subdevices notifier. */
subdevs = devm_kzalloc(vin->dev, sizeof(*subdevs), GFP_KERNEL);
if (subdevs == NULL) {
ret = -ENOMEM;
goto done;
}
subdevs[0] = &vin->entity.asd;
vin->notifier.subdevs = subdevs;
vin->notifier.num_subdevs = 1;
vin->notifier.bound = rvin_graph_notify_bound;
vin->notifier.unbind = rvin_graph_notify_unbind;
vin->notifier.complete = rvin_graph_notify_complete;
ret = v4l2_async_notifier_register(&vin->v4l2_dev, &vin->notifier);
if (ret < 0) {
vin_err(vin, "Notifier registration failed\n");
goto done;
}
ret = 0;
done:
if (ret < 0) {
v4l2_async_notifier_unregister(&vin->notifier);
of_node_put(vin->entity.node);
}
return ret;
}
static int imx_media_remove(struct platform_device *pdev)
{
struct imx_media_dev *imxmd =
(struct imx_media_dev *)platform_get_drvdata(pdev);
v4l2_info(&imxmd->v4l2_dev, "Removing imx-media\n");
v4l2_async_notifier_unregister(&imxmd->notifier);
imx_media_unregister_ipu_internal_subdevs(imxmd);
v4l2_async_notifier_cleanup(&imxmd->notifier);
media_device_unregister(&imxmd->md);
v4l2_device_unregister(&imxmd->v4l2_dev);
media_device_cleanup(&imxmd->md);
return 0;
}
static int imx7_csi_remove(struct platform_device *pdev)
{
struct v4l2_subdev *sd = platform_get_drvdata(pdev);
struct imx7_csi *csi = v4l2_get_subdevdata(sd);
struct imx_media_dev *imxmd = csi->imxmd;
v4l2_async_notifier_unregister(&imxmd->notifier);
v4l2_async_notifier_cleanup(&imxmd->notifier);
media_device_unregister(&imxmd->md);
v4l2_device_unregister(&imxmd->v4l2_dev);
media_device_cleanup(&imxmd->md);
imx_media_capture_device_unregister(csi->vdev);
imx_media_capture_device_remove(csi->vdev);
v4l2_async_unregister_subdev(sd);
v4l2_ctrl_handler_free(&csi->ctrl_hdlr);
mutex_destroy(&csi->lock);
return 0;
}
