[PATCH] media: imx7-mipi-csis: remove subdev_notifier

[Steve Longerbeam]

On 12/12/19 11:17 AM, Rui Miguel Silva wrote:
> It was defined a notifier in the csi_state structure that is never
> allocated. And besides that it's unregister in the remove, even though
> it is a no-op, just remove both.
>
> Fixes: 7807063b862b ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7")
> Reported-by: Hans Verkuil <hverkuil at xs4all.nl>
> Suggested-by: Dan Carpenter <dan.carpenter at oracle.com>
> Suggested-by: Philipp Zabel <p.zabel at pengutronix.de>
> Signed-off-by: Rui Miguel Silva <rmfrfs at gmail.com>

Reviewed-by: Steve Longerbeam <slongerbeam at gmail.com>

> ---
>   drivers/staging/media/imx/imx7-mipi-csis.c | 3 ---
>   1 file changed, 3 deletions(-)
>
> diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
> index 99166afca071..383abecb3bec 100644
> --- a/drivers/staging/media/imx/imx7-mipi-csis.c
> +++ b/drivers/staging/media/imx/imx7-mipi-csis.c
> @@ -251,8 +251,6 @@ struct csi_state {
>   
>   	struct mipi_csis_event events[MIPI_CSIS_NUM_EVENTS];
>   
> -	struct v4l2_async_notifier subdev_notifier;
> -
>   	struct csis_hw_reset hw_reset;
>   	struct regulator *mipi_phy_regulator;
>   	bool sink_linked;
> @@ -1104,7 +1102,6 @@ static int mipi_csis_remove(struct platform_device *pdev)
>   
>   	mipi_csis_debugfs_exit(state);
>   	v4l2_async_unregister_subdev(&state->mipi_sd);
> -	v4l2_async_notifier_unregister(&state->subdev_notifier);
>   
>   	pm_runtime_disable(&pdev->dev);
>   	mipi_csis_pm_suspend(&pdev->dev, true);