ACPI: property: Remove dead code

After the commit 3a7a2ab839 couple of functions became a dead code.
Moreover, for all these years nobody used them. Remove.

Fixes: 3a7a2ab839 ("ACPI / property: Extend fwnode_property_* to data-only subnodes")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/property.c

@@ -841,20 +841,6 @@ static int acpi_data_prop_read_single(const struct acpi_device_data *data,
 	return ret;
 }
 
-int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
-			      enum dev_prop_type proptype, void *val)
-{
-	int ret;
-
-	if (!adev || !val)
-		return -EINVAL;
-
-	ret = acpi_data_prop_read_single(&adev->data, propname, proptype, val);
-	if (ret < 0 || proptype != ACPI_TYPE_STRING)
-		return ret;
-	return 0;
-}
-
 static int acpi_copy_property_array_u8(const union acpi_object *items, u8 *val,
 				       size_t nval)
 {
@@ -995,12 +981,6 @@ static int acpi_data_prop_read(const struct acpi_device_data *data,
 	return ret;
 }
 
-int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
-		       enum dev_prop_type proptype, void *val, size_t nval)
-{
-	return adev ? acpi_data_prop_read(&adev->data, propname, proptype, val, nval) : -EINVAL;
-}
-
 /**
  * acpi_node_prop_read - retrieve the value of an ACPI property with given name.
  * @fwnode: Firmware node to get the property from.

include/linux/acpi.h

@@ -1114,14 +1114,9 @@ acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
 
 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
 		       void **valptr);
-int acpi_dev_prop_read_single(struct acpi_device *adev,
-			      const char *propname, enum dev_prop_type proptype,
-			      void *val);
 int acpi_node_prop_read(const struct fwnode_handle *fwnode,
 			const char *propname, enum dev_prop_type proptype,
 			void *val, size_t nval);
-int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
-		       enum dev_prop_type proptype, void *val, size_t nval);
 
 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
 					    struct fwnode_handle *child);
@@ -1223,14 +1218,6 @@ static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
 	return -ENXIO;
 }
 
-static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
-					    const char *propname,
-					    enum dev_prop_type proptype,
-					    void *val)
-{
-	return -ENXIO;
-}
-
 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
 				      const char *propname,
 				      enum dev_prop_type proptype,
@@ -1239,14 +1226,6 @@ static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
 	return -ENXIO;
 }
 
-static inline int acpi_dev_prop_read(const struct acpi_device *adev,
-				     const char *propname,
-				     enum dev_prop_type proptype,
-				     void *val, size_t nval)
-{
-	return -ENXIO;
-}
-
 static inline struct fwnode_handle *
 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
 		      struct fwnode_handle *child)