[PATCH v3 2/4] media: ipu3-cio2: Convert to use software_node_register_node_group()

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The currently used software_node_register_nodes() is going to
be removed. Prepare driver by switching to a new API.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Tested-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx>
Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Scally <dan.scally@xxxxxxxxxxxxxxxx>
---
 drivers/media/pci/intel/ipu3/cio2-bridge.c | 21 ++++++++++++++++++---
 drivers/media/pci/intel/ipu3/cio2-bridge.h |  5 +++--
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c
index 18974a72e94a..dfefe0d8aa95 100644
--- a/drivers/media/pci/intel/ipu3/cio2-bridge.c
+++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c
@@ -195,6 +195,19 @@ static void cio2_bridge_init_swnode_names(struct cio2_sensor *sensor)
 		 SWNODE_GRAPH_ENDPOINT_NAME_FMT, 0); /* And endpoint 0 */
 }
 
+static void cio2_bridge_init_swnode_group(struct cio2_sensor *sensor)
+{
+	struct software_node *nodes = sensor->swnodes;
+
+	sensor->group[SWNODE_SENSOR_HID] = &nodes[SWNODE_SENSOR_HID];
+	sensor->group[SWNODE_SENSOR_PORT] = &nodes[SWNODE_SENSOR_PORT];
+	sensor->group[SWNODE_SENSOR_ENDPOINT] = &nodes[SWNODE_SENSOR_ENDPOINT];
+	sensor->group[SWNODE_CIO2_PORT] = &nodes[SWNODE_CIO2_PORT];
+	sensor->group[SWNODE_CIO2_ENDPOINT] = &nodes[SWNODE_CIO2_ENDPOINT];
+	if (sensor->ssdb.vcmtype)
+		sensor->group[SWNODE_VCM] =  &nodes[SWNODE_VCM];
+}
+
 static void cio2_bridge_create_connection_swnodes(struct cio2_bridge *bridge,
 						  struct cio2_sensor *sensor)
 {
@@ -219,6 +232,8 @@ static void cio2_bridge_create_connection_swnodes(struct cio2_bridge *bridge,
 	if (sensor->ssdb.vcmtype)
 		nodes[SWNODE_VCM] =
 			NODE_VCM(cio2_vcm_types[sensor->ssdb.vcmtype - 1]);
+
+	cio2_bridge_init_swnode_group(sensor);
 }
 
 static void cio2_bridge_instantiate_vcm_i2c_client(struct cio2_sensor *sensor)
@@ -252,7 +267,7 @@ static void cio2_bridge_unregister_sensors(struct cio2_bridge *bridge)
 
 	for (i = 0; i < bridge->n_sensors; i++) {
 		sensor = &bridge->sensors[i];
-		software_node_unregister_nodes(sensor->swnodes);
+		software_node_unregister_node_group(sensor->group);
 		ACPI_FREE(sensor->pld);
 		acpi_dev_put(sensor->adev);
 		i2c_unregister_device(sensor->vcm_i2c_client);
@@ -310,7 +325,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
 		cio2_bridge_create_fwnode_properties(sensor, bridge, cfg);
 		cio2_bridge_create_connection_swnodes(bridge, sensor);
 
-		ret = software_node_register_nodes(sensor->swnodes);
+		ret = software_node_register_node_group(sensor->group);
 		if (ret)
 			goto err_free_pld;
 
@@ -337,7 +352,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
 	return 0;
 
 err_free_swnodes:
-	software_node_unregister_nodes(sensor->swnodes);
+	software_node_unregister_node_group(sensor->group);
 err_free_pld:
 	ACPI_FREE(sensor->pld);
 err_put_adev:
diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.h b/drivers/media/pci/intel/ipu3/cio2-bridge.h
index 4418cbd08208..b93b749c65bd 100644
--- a/drivers/media/pci/intel/ipu3/cio2-bridge.h
+++ b/drivers/media/pci/intel/ipu3/cio2-bridge.h
@@ -117,8 +117,9 @@ struct cio2_sensor {
 	struct acpi_device *adev;
 	struct i2c_client *vcm_i2c_client;
 
-	/* SWNODE_COUNT + 1 for terminating empty node */
-	struct software_node swnodes[SWNODE_COUNT + 1];
+	/* SWNODE_COUNT + 1 for terminating NULL */
+	const struct software_node *group[SWNODE_COUNT + 1];
+	struct software_node swnodes[SWNODE_COUNT];
 	struct cio2_node_names node_names;
 
 	struct cio2_sensor_ssdb ssdb;
-- 
2.35.1




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