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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright (c) 2017 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- *
- * Support for a 'live' (as opposed to flat) device tree
- */
- #ifndef _OF_LIVE_H
- #define _OF_LIVE_H
- struct device_node;
- /**
- * of_live_build() - build a live (hierarchical) tree from a flat DT
- *
- * @fdt_blob: Input tree to convert
- * @rootp: Returns live tree that was created
- * Return: 0 if OK, -ve on error
- */
- int of_live_build(const void *fdt_blob, struct device_node **rootp);
- /**
- * unflatten_device_tree() - create tree of device_nodes from flat blob
- *
- * Note that this allocates a single block of memory, pointed to by *mynodes.
- * To free the tree, use free(*mynodes)
- *
- * unflattens a device-tree, creating the
- * tree of struct device_node. It also fills the "name" and "type"
- * pointers of the nodes so the normal device-tree walking functions
- * can be used.
- * @blob: The blob to expand
- * @mynodes: The device_node tree created by the call
- * Return: 0 if OK, -ve on error
- */
- int unflatten_device_tree(const void *blob, struct device_node **mynodes);
- /**
- * of_live_free() - Dispose of a livetree
- *
- * This frees memory used by the tree, after which @root becomes invalid and
- * cannot be used
- *
- * @root: Tree to dispose
- */
- void of_live_free(struct device_node *root);
- #endif
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