On Thu, Nov 16, 2017 at 02:33:49AM +0200, Laurent Pinchart wrote:
> To avoid races between device access and unplug, call the
> video_device_unplug() function in the platform driver remove handler.
> This will unsure that all device access completes before the remove
> handler proceeds to free resources.
>
> Signed-off-by: Laurent Pinchart <[email protected]>
> ---
> drivers/media/platform/rcar-vin/rcar-core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/platform/rcar-vin/rcar-core.c
> b/drivers/media/platform/rcar-vin/rcar-core.c
> index bd7976efa1fb..c5210f1d09ed 100644
> --- a/drivers/media/platform/rcar-vin/rcar-core.c
> +++ b/drivers/media/platform/rcar-vin/rcar-core.c
> @@ -1273,6 +1273,7 @@ static int rcar_vin_remove(struct platform_device *pdev)
>
> pm_runtime_disable(&pdev->dev);
>
> + video_device_unplug(&vin->vdev);
Does this depend on another patch?
>
> if (!vin->info->use_mc) {
> v4l2_async_notifier_unregister(&vin->notifier);
> --
> Regards,
>
> Laurent Pinchart
>
--
Sakari Ailus
e-mail: [email protected]
