media: v4l: async: Rename v4l2_async_subdev as v4l2_async_connection

Rename v4l2_async_subdev as v4l2_async_connection, in order to
differentiate between the sub-devices and their connections: one
sub-device can have many connections but the V4L2 async framework has so
far allowed just a single one. Connections in this context will later
translate into either MC ancillary or data links.

This patch prepares changing that relation by changing existing users of
v4l2_async_subdev to switch to v4l2_async_connection. Async sub-devices
themselves will not be needed anymore

Additionally, __v4l2_async_nf_add_subdev() has been renamed
__v4l2_async_nf_add_connection().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/media/platform/renesas/renesas-ceu.c b/drivers/media/platform/renesas/renesas-ceu.c
index a5f9d7bcd172..f9e0bb954307 100644
--- a/drivers/media/platform/renesas/renesas-ceu.c
+++ b/drivers/media/platform/renesas/renesas-ceu.c
@@ -151,7 +151,7 @@ static inline struct ceu_buffer *vb2_to_ceu(struct vb2_v4l2_buffer *vbuf)
  * ceu_subdev - Wraps v4l2 sub-device and provides async subdevice.
  */
 struct ceu_subdev {
-	struct v4l2_async_subdev asd;
+	struct v4l2_async_connection asd;
 	struct v4l2_subdev *v4l2_sd;
 
 	/* per-subdevice mbus configuration options */
@@ -159,7 +159,7 @@ struct ceu_subdev {
 	struct ceu_mbus_fmt mbus_fmt;
 };
 
-static struct ceu_subdev *to_ceu_subdev(struct v4l2_async_subdev *asd)
+static struct ceu_subdev *to_ceu_subdev(struct v4l2_async_connection *asd)
 {
 	return container_of(asd, struct ceu_subdev, asd);
 }
@@ -1374,7 +1374,7 @@ static void ceu_vdev_release(struct video_device *vdev)
 
 static int ceu_notify_bound(struct v4l2_async_notifier *notifier,
 			    struct v4l2_subdev *v4l2_sd,
-			    struct v4l2_async_subdev *asd)
+			    struct v4l2_async_connection *asd)
 {
 	struct v4l2_device *v4l2_dev = notifier->v4l2_dev;
 	struct ceu_device *ceudev = v4l2_to_ceu(v4l2_dev);