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>

6 files changed, 22 insertions, 21 deletions

diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
index 55be28463ca2..349c34724eee 100644
--- a/drivers/media/i2c/ds90ub913.c
+++ b/drivers/media/i2c/ds90ub913.c
@@ -518,7 +518,7 @@ static const struct media_entity_operations ub913_entity_ops = {
 
 static int ub913_notify_bound(struct v4l2_async_notifier *notifier,
 			      struct v4l2_subdev *source_subdev,
-			      struct v4l2_async_subdev *asd)
+			      struct v4l2_async_connection *asd)
 {
 	struct ub913_data *priv = sd_to_ub913(notifier->sd);
 	struct device *dev = &priv->client->dev;
@@ -557,7 +557,7 @@ static const struct v4l2_async_notifier_operations ub913_notify_ops = {
 static int ub913_v4l2_notifier_register(struct ub913_data *priv)
 {
 	struct device *dev = &priv->client->dev;
-	struct v4l2_async_subdev *asd;
+	struct v4l2_async_connection *asd;
 	struct fwnode_handle *ep_fwnode;
 	int ret;
 
@@ -571,7 +571,7 @@ static int ub913_v4l2_notifier_register(struct ub913_data *priv)
 	v4l2_async_nf_init(&priv->notifier);
 
 	asd = v4l2_async_nf_add_fwnode_remote(&priv->notifier, ep_fwnode,
-					      struct v4l2_async_subdev);
+					      struct v4l2_async_connection);
 
 	fwnode_handle_put(ep_fwnode);
 
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 591b52bf71c2..440af7bdd73a 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -723,7 +723,7 @@ static const struct media_entity_operations ub953_entity_ops = {
 
 static int ub953_notify_bound(struct v4l2_async_notifier *notifier,
 			      struct v4l2_subdev *source_subdev,
-			      struct v4l2_async_subdev *asd)
+			      struct v4l2_async_connection *asd)
 {
 	struct ub953_data *priv = sd_to_ub953(notifier->sd);
 	struct device *dev = &priv->client->dev;
@@ -762,7 +762,7 @@ static const struct v4l2_async_notifier_operations ub953_notify_ops = {
 static int ub953_v4l2_notifier_register(struct ub953_data *priv)
 {
 	struct device *dev = &priv->client->dev;
-	struct v4l2_async_subdev *asd;
+	struct v4l2_async_connection *asd;
 	struct fwnode_handle *ep_fwnode;
 	int ret;
 
@@ -776,7 +776,7 @@ static int ub953_v4l2_notifier_register(struct ub953_data *priv)
 	v4l2_async_nf_init(&priv->notifier);
 
 	asd = v4l2_async_nf_add_fwnode_remote(&priv->notifier, ep_fwnode,
-					      struct v4l2_async_subdev);
+					      struct v4l2_async_connection);
 
 	fwnode_handle_put(ep_fwnode);
 
diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index b9a1ef63629b..a2b1056ba99b 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -471,11 +471,11 @@ struct ub960_rxport {
 };
 
 struct ub960_asd {
-	struct v4l2_async_subdev base;
+	struct v4l2_async_connection base;
 	struct ub960_rxport *rxport;
 };
 
-static inline struct ub960_asd *to_ub960_asd(struct v4l2_async_subdev *asd)
+static inline struct ub960_asd *to_ub960_asd(struct v4l2_async_connection *asd)
 {
 	return container_of(asd, struct ub960_asd, base);
 }
@@ -3538,7 +3538,7 @@ err_free_rxports:
 
 static int ub960_notify_bound(struct v4l2_async_notifier *notifier,
 			      struct v4l2_subdev *subdev,
-			      struct v4l2_async_subdev *asd)
+			      struct v4l2_async_connection *asd)
 {
 	struct ub960_data *priv = sd_to_ub960(notifier->sd);
 	struct ub960_rxport *rxport = to_ub960_asd(asd)->rxport;
@@ -3581,7 +3581,7 @@ static int ub960_notify_bound(struct v4l2_async_notifier *notifier,
 
 static void ub960_notify_unbind(struct v4l2_async_notifier *notifier,
 				struct v4l2_subdev *subdev,
-				struct v4l2_async_subdev *asd)
+				struct v4l2_async_connection *asd)
 {
 	struct ub960_rxport *rxport = to_ub960_asd(asd)->rxport;
 
diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index a1f86dbc9e1a..78c77cd50823 100644
--- a/drivers/media/i2c/max9286.c
+++ b/drivers/media/i2c/max9286.c
@@ -161,11 +161,12 @@ struct max9286_source {
 };
 
 struct max9286_asd {
-	struct v4l2_async_subdev base;
+	struct v4l2_async_connection base;
 	struct max9286_source *source;
 };
 
-static inline struct max9286_asd *to_max9286_asd(struct v4l2_async_subdev *asd)
+static inline struct max9286_asd *
+to_max9286_asd(struct v4l2_async_connection *asd)
 {
 	return container_of(asd, struct max9286_asd, base);
 }
@@ -659,7 +660,7 @@ static int max9286_set_pixelrate(struct max9286_priv *priv)
 
 static int max9286_notify_bound(struct v4l2_async_notifier *notifier,
 				struct v4l2_subdev *subdev,
-				struct v4l2_async_subdev *asd)
+				struct v4l2_async_connection *asd)
 {
 	struct max9286_priv *priv = sd_to_max9286(notifier->sd);
 	struct max9286_source *source = to_max9286_asd(asd)->source;
@@ -721,7 +722,7 @@ static int max9286_notify_bound(struct v4l2_async_notifier *notifier,
 
 static void max9286_notify_unbind(struct v4l2_async_notifier *notifier,
 				  struct v4l2_subdev *subdev,
-				  struct v4l2_async_subdev *asd)
+				  struct v4l2_async_connection *asd)
 {
 	struct max9286_priv *priv = sd_to_max9286(notifier->sd);
 	struct max9286_source *source = to_max9286_asd(asd)->source;
diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c
index 906553a28676..5cd87b1d5759 100644
--- a/drivers/media/i2c/st-mipid02.c
+++ b/drivers/media/i2c/st-mipid02.c
@@ -829,7 +829,7 @@ static const struct media_entity_operations mipid02_subdev_entity_ops = {
 
 static int mipid02_async_bound(struct v4l2_async_notifier *notifier,
 			       struct v4l2_subdev *s_subdev,
-			       struct v4l2_async_subdev *asd)
+			       struct v4l2_async_connection *asd)
 {
 	struct mipid02_dev *bridge = to_mipid02_dev(notifier->sd);
 	struct i2c_client *client = bridge->i2c_client;
@@ -863,7 +863,7 @@ static int mipid02_async_bound(struct v4l2_async_notifier *notifier,
 
 static void mipid02_async_unbind(struct v4l2_async_notifier *notifier,
 				 struct v4l2_subdev *s_subdev,
-				 struct v4l2_async_subdev *asd)
+				 struct v4l2_async_connection *asd)
 {
 	struct mipid02_dev *bridge = to_mipid02_dev(notifier->sd);
 
@@ -879,7 +879,7 @@ static int mipid02_parse_rx_ep(struct mipid02_dev *bridge)
 {
 	struct v4l2_fwnode_endpoint ep = { .bus_type = V4L2_MBUS_CSI2_DPHY };
 	struct i2c_client *client = bridge->i2c_client;
-	struct v4l2_async_subdev *asd;
+	struct v4l2_async_connection *asd;
 	struct device_node *ep_node;
 	int ret;
 
@@ -914,7 +914,7 @@ static int mipid02_parse_rx_ep(struct mipid02_dev *bridge)
 	v4l2_async_nf_init(&bridge->notifier);
 	asd = v4l2_async_nf_add_fwnode_remote(&bridge->notifier,
 					      of_fwnode_handle(ep_node),
-					      struct v4l2_async_subdev);
+					      struct v4l2_async_connection);
 	of_node_put(ep_node);
 
 	if (IS_ERR(asd)) {
diff --git a/drivers/media/i2c/tc358746.c b/drivers/media/i2c/tc358746.c
index f37373c257c6..203eb337efce 100644
--- a/drivers/media/i2c/tc358746.c
+++ b/drivers/media/i2c/tc358746.c
@@ -1426,7 +1426,7 @@ static int tc358746_init_controls(struct tc358746 *tc358746)
 
 static int tc358746_notify_bound(struct v4l2_async_notifier *notifier,
 				 struct v4l2_subdev *sd,
-				 struct v4l2_async_subdev *asd)
+				 struct v4l2_async_connection *asd)
 {
 	struct tc358746 *tc358746 =
 		container_of(notifier, struct tc358746, notifier);
@@ -1445,7 +1445,7 @@ static int tc358746_async_register(struct tc358746 *tc358746)
 	struct v4l2_fwnode_endpoint vep = {
 		.bus_type = V4L2_MBUS_PARALLEL,
 	};
-	struct v4l2_async_subdev *asd;
+	struct v4l2_async_connection *asd;
 	struct fwnode_handle *ep;
 	int err;
 
@@ -1462,7 +1462,7 @@ static int tc358746_async_register(struct tc358746 *tc358746)
 
 	v4l2_async_nf_init(&tc358746->notifier);
 	asd = v4l2_async_nf_add_fwnode_remote(&tc358746->notifier, ep,
-					      struct v4l2_async_subdev);
+					      struct v4l2_async_connection);
 	fwnode_handle_put(ep);
 
 	if (IS_ERR(asd)) {