media: rcar-csi2: Cleanup subdevice in remove()

Cleanup the V4L2 subdevice in the driver's remove function to
ensure its async connection are freed, and guarantee in future that
the subdev active state is cleaned up.

Fixes: 769afd212b16 ("media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver driver")
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20240617161135.130719-4-jacopo.mondi@ideasonboard.com
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c
index 249e58c7717613c8bf57747856be2e3b5487aa8c..2d464e43a5be8b1663f1136b46f9018edf9e5d4a 100644 (file)
--- a/drivers/media/platform/renesas/rcar-csi2.c
+++ b/drivers/media/platform/renesas/rcar-csi2.c
@@ -1938,6 +1938,7 @@ static void rcsi2_remove(struct platform_device *pdev)
        v4l2_async_nf_unregister(&priv->notifier);
        v4l2_async_nf_cleanup(&priv->notifier);
        v4l2_async_unregister_subdev(&priv->subdev);
+       v4l2_subdev_cleanup(&priv->subdev);
 
        pm_runtime_disable(&pdev->dev);