diff --git a/include/sound/sdca_function.h b/include/sound/sdca_function.h
index 0e871c786513..b1489178b0ef 100644
--- a/include/sound/sdca_function.h
+++ b/include/sound/sdca_function.h
@@ -1452,7 +1452,6 @@ static inline u32 sdca_range_search(struct sdca_control_range *range,
 }
 
 int sdca_parse_function(struct device *dev, struct sdw_slave *sdw,
-			struct sdca_function_desc *desc,
 			struct sdca_function_data *function);
 
 const char *sdca_find_terminal_name(enum sdca_terminal_type type);
diff --git a/sound/soc/codecs/tas2783-sdw.c b/sound/soc/codecs/tas2783-sdw.c
index 90008d2d06e2..38009168c5a1 100644
--- a/sound/soc/codecs/tas2783-sdw.c
+++ b/sound/soc/codecs/tas2783-sdw.c
@@ -1310,10 +1310,10 @@ static s32 tas_sdw_probe(struct sdw_slave *peripheral,
 			return dev_err_probe(dev, -ENOMEM,
 					     "failed to parse sdca functions");
 
+		function_data->desc = &peripheral->sdca_data.function[i];
+
 		/* Parse the function */
-		ret = sdca_parse_function(dev, peripheral,
-					  &peripheral->sdca_data.function[i],
-					  function_data);
+		ret = sdca_parse_function(dev, peripheral, function_data);
 		if (!ret)
 			tas_dev->sa_func_data = function_data;
 		else
diff --git a/sound/soc/sdca/sdca_class.c b/sound/soc/sdca/sdca_class.c
index 6e9b66f71801..a6a3da8de437 100644
--- a/sound/soc/sdca/sdca_class.c
+++ b/sound/soc/sdca/sdca_class.c
@@ -183,7 +183,6 @@ static void class_boot_work(struct work_struct *work)
 static int class_sdw_probe(struct sdw_slave *sdw, const struct sdw_device_id *id)
 {
 	struct device *dev = &sdw->dev;
-	struct sdca_device_data *data = &sdw->sdca_data;
 	struct regmap_config *dev_config;
 	struct sdca_class_drv *drv;
 	int ret;
@@ -199,12 +198,6 @@ static int class_sdw_probe(struct sdw_slave *sdw, const struct sdw_device_id *id
 	if (!dev_config)
 		return -ENOMEM;
 
-	drv->functions = devm_kcalloc(dev, data->num_functions,
-				      sizeof(*drv->functions),
-				      GFP_KERNEL);
-	if (!drv->functions)
-		return -ENOMEM;
-
 	drv->dev = dev;
 	drv->sdw = sdw;
 	mutex_init(&drv->regmap_lock);
diff --git a/sound/soc/sdca/sdca_class.h b/sound/soc/sdca/sdca_class.h
index 6f24ea2bbd38..8b63e62485e6 100644
--- a/sound/soc/sdca/sdca_class.h
+++ b/sound/soc/sdca/sdca_class.h
@@ -24,7 +24,6 @@ struct sdca_class_drv {
 	struct regmap *dev_regmap;
 	struct sdw_slave *sdw;
 
-	struct sdca_function_data *functions;
 	struct sdca_interrupt_info *irq_info;
 
 	struct mutex regmap_lock;
diff --git a/sound/soc/sdca/sdca_class_function.c b/sound/soc/sdca/sdca_class_function.c
index 31fc08d51307..1496a15f7d2a 100644
--- a/sound/soc/sdca/sdca_class_function.c
+++ b/sound/soc/sdca/sdca_class_function.c
@@ -27,6 +27,7 @@
 #include <sound/soc-dai.h>
 #include <sound/soc.h>
 #include "sdca_class.h"
+#include "sdca_function_device.h"
 
 struct class_function_drv {
 	struct device *dev;
@@ -294,8 +295,7 @@ static int class_function_probe(struct auxiliary_device *auxdev,
 {
 	struct device *dev = &auxdev->dev;
 	struct sdca_class_drv *core = dev_get_drvdata(dev->parent);
-	struct sdca_device_data *data = &core->sdw->sdca_data;
-	struct sdca_function_desc *desc;
+	struct sdca_dev *sdev = auxiliary_dev_to_sdca_dev(auxdev);
 	struct snd_soc_component_driver *cmp_drv;
 	struct snd_soc_dai_driver *dais;
 	struct class_function_drv *drv;
@@ -305,7 +305,6 @@ static int class_function_probe(struct auxiliary_device *auxdev,
 	int ndefaults;
 	int num_dais;
 	int ret;
-	int i;
 
 	drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
 	if (!drv)
@@ -328,21 +327,9 @@ static int class_function_probe(struct auxiliary_device *auxdev,
 
 	drv->dev = dev;
 	drv->core = core;
+	drv->function = &sdev->function;
 
-	for (i = 0; i < data->num_functions; i++) {
-		desc = &data->function[i];
-
-		if (desc->type == aux_dev_id->driver_data)
-			break;
-	}
-	if (i == core->sdw->sdca_data.num_functions) {
-		dev_err(dev, "failed to locate function\n");
-		return -EINVAL;
-	}
-
-	drv->function = &core->functions[i];
-
-	ret = sdca_parse_function(dev, core->sdw, desc, drv->function);
+	ret = sdca_parse_function(dev, core->sdw, drv->function);
 	if (ret)
 		return ret;
 
@@ -377,7 +364,7 @@ static int class_function_probe(struct auxiliary_device *auxdev,
 		return dev_err_probe(dev, PTR_ERR(drv->regmap),
 				     "failed to create regmap");
 
-	switch (desc->type) {
+	switch (drv->function->desc->type) {
 	case SDCA_FUNCTION_TYPE_UAJ:
 	case SDCA_FUNCTION_TYPE_RJ:
 		cmp_drv->set_jack = class_function_set_jack;
diff --git a/sound/soc/sdca/sdca_functions.c b/sound/soc/sdca/sdca_functions.c
index 196bade11ab5..02abb7315b72 100644
--- a/sound/soc/sdca/sdca_functions.c
+++ b/sound/soc/sdca/sdca_functions.c
@@ -2158,27 +2158,22 @@ static int find_sdca_filesets(struct device *dev, struct sdw_slave *sdw,
  * sdca_parse_function - parse ACPI DisCo for a Function
  * @dev: Pointer to device against which function data will be allocated.
  * @sdw: SoundWire slave device to be processed.
- * @function_desc: Pointer to the Function short descriptor.
  * @function: Pointer to the Function information, to be populated.
  *
  * Return: Returns 0 for success.
  */
 int sdca_parse_function(struct device *dev, struct sdw_slave *sdw,
-			struct sdca_function_desc *function_desc,
 			struct sdca_function_data *function)
 {
+	struct fwnode_handle *node = function->desc->node;
 	u32 tmp;
 	int ret;
 
-	function->desc = function_desc;
-
-	ret = fwnode_property_read_u32(function_desc->node,
-				       "mipi-sdca-function-busy-max-delay", &tmp);
+	ret = fwnode_property_read_u32(node, "mipi-sdca-function-busy-max-delay", &tmp);
 	if (!ret)
 		function->busy_max_delay = tmp;
 
-	ret = fwnode_property_read_u32(function_desc->node,
-				       "mipi-sdca-function-reset-max-delay", &tmp);
+	ret = fwnode_property_read_u32(node, "mipi-sdca-function-reset-max-delay", &tmp);
 	if (ret || tmp == 0) {
 		dev_dbg(dev, "reset delay missing, defaulting to 100mS\n");
 		function->reset_max_delay = 100000;
@@ -2187,26 +2182,26 @@ int sdca_parse_function(struct device *dev, struct sdw_slave *sdw,
 	}
 
 	dev_dbg(dev, "%pfwP: name %s busy delay %dus reset delay %dus\n",
-		function->desc->node, function->desc->name,
-		function->busy_max_delay, function->reset_max_delay);
+		node, function->desc->name, function->busy_max_delay,
+		function->reset_max_delay);
 
-	ret = find_sdca_init_table(dev, function_desc->node, function);
+	ret = find_sdca_init_table(dev, node, function);
 	if (ret)
 		return ret;
 
-	ret = find_sdca_entities(dev, sdw, function_desc->node, function);
+	ret = find_sdca_entities(dev, sdw, node, function);
 	if (ret)
 		return ret;
 
-	ret = find_sdca_connections(dev, function_desc->node, function);
+	ret = find_sdca_connections(dev, node, function);
 	if (ret)
 		return ret;
 
-	ret = find_sdca_clusters(dev, function_desc->node, function);
+	ret = find_sdca_clusters(dev, node, function);
 	if (ret < 0)
 		return ret;
 
-	ret = find_sdca_filesets(dev, sdw, function_desc->node, function);
+	ret = find_sdca_filesets(dev, sdw, node, function);
 	if (ret)
 		return ret;