1 files changed, 45 insertions, 76 deletions

diff --git a/drivers/base/property.c b/drivers/base/property.c
index a1b01ab42052..c1392743df9c 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -7,15 +7,16 @@
  *          Mika Westerberg <mika.westerberg@linux.intel.com>
  */
 
-#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/err.h>
 #include <linux/export.h>
-#include <linux/kernel.h>
+#include <linux/kconfig.h>
 #include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_graph.h>
-#include <linux/of_irq.h>
 #include <linux/property.h>
 #include <linux/phy.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
 
 struct fwnode_handle *__dev_fwnode(struct device *dev)
 {
@@ -70,6 +71,44 @@ bool fwnode_property_present(const struct fwnode_handle *fwnode,
 EXPORT_SYMBOL_GPL(fwnode_property_present);
 
 /**
+ * device_property_read_bool - Return the value for a boolean property of a device
+ * @dev: Device whose property is being checked
+ * @propname: Name of the property
+ *
+ * Return if property @propname is true or false in the device firmware description.
+ *
+ * Return: true if property @propname is present. Otherwise, returns false.
+ */
+bool device_property_read_bool(const struct device *dev, const char *propname)
+{
+	return fwnode_property_read_bool(dev_fwnode(dev), propname);
+}
+EXPORT_SYMBOL_GPL(device_property_read_bool);
+
+/**
+ * fwnode_property_read_bool - Return the value for a boolean property of a firmware node
+ * @fwnode: Firmware node whose property to check
+ * @propname: Name of the property
+ *
+ * Return if property @propname is true or false in the firmware description.
+ */
+bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
+			     const char *propname)
+{
+	bool ret;
+
+	if (IS_ERR_OR_NULL(fwnode))
+		return false;
+
+	ret = fwnode_call_bool_op(fwnode, property_read_bool, propname);
+	if (ret)
+		return ret;
+
+	return fwnode_call_bool_op(fwnode->secondary, property_read_bool, propname);
+}
+EXPORT_SYMBOL_GPL(fwnode_property_read_bool);
+
+/**
  * device_property_read_u8_array - return a u8 array property of a device
  * @dev: Device to get the property of
  * @propname: Name of the property
@@ -700,34 +739,6 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode)
 EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
 
 /**
- * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
- * @fwnode: firmware node
- *
- * Given a firmware node (@fwnode), this function finds its closest ancestor
- * firmware node that has a corresponding struct device and returns that struct
- * device.
- *
- * The caller is responsible for calling put_device() on the returned device
- * pointer.
- *
- * Return: a pointer to the device of the @fwnode's closest ancestor.
- */
-struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
-{
-	struct fwnode_handle *parent;
-	struct device *dev;
-
-	fwnode_for_each_parent_node(fwnode, parent) {
-		dev = get_dev_from_fwnode(parent);
-		if (dev) {
-			fwnode_handle_put(parent);
-			return dev;
-		}
-	}
-	return NULL;
-}
-
-/**
  * fwnode_count_parents - Return the number of parents a node has
  * @fwnode: The node the parents of which are to be counted
  *
@@ -774,34 +785,6 @@ struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwnode,
 EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
 
 /**
- * fwnode_is_ancestor_of - Test if @ancestor is ancestor of @child
- * @ancestor: Firmware which is tested for being an ancestor
- * @child: Firmware which is tested for being the child
- *
- * A node is considered an ancestor of itself too.
- *
- * Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
- */
-bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child)
-{
-	struct fwnode_handle *parent;
-
-	if (IS_ERR_OR_NULL(ancestor))
-		return false;
-
-	if (child == ancestor)
-		return true;
-
-	fwnode_for_each_parent_node(child, parent) {
-		if (parent == ancestor) {
-			fwnode_handle_put(parent);
-			return true;
-		}
-	}
-	return false;
-}
-
-/**
  * fwnode_get_next_child_node - Return the next child node handle for a node
  * @fwnode: Firmware node to find the next child node for.
  * @child: Handle to one of the node's child nodes or a %NULL handle.
@@ -924,20 +907,6 @@ struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode)
 EXPORT_SYMBOL_GPL(fwnode_handle_get);
 
 /**
- * fwnode_handle_put - Drop reference to a device node
- * @fwnode: Pointer to the device node to drop the reference to.
- *
- * This has to be used when terminating device_for_each_child_node() iteration
- * with break or return to prevent stale device node references from being left
- * behind.
- */
-void fwnode_handle_put(struct fwnode_handle *fwnode)
-{
-	fwnode_call_void_op(fwnode, put);
-}
-EXPORT_SYMBOL_GPL(fwnode_handle_put);
-
-/**
  * fwnode_device_is_available - check if a device is available for use
  * @fwnode: Pointer to the fwnode of the device.
  *
@@ -960,7 +929,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available);
 
 /**
  * device_get_child_node_count - return the number of child nodes for device
- * @dev: Device to cound the child nodes for
+ * @dev: Device to count the child nodes for
  *
  * Return: the number of child nodes for a given device.
  */