contrib/libfdt/fdt_overlay.c

60  * overlay_get_target_phandle - retrieves the target phandle of a fragment
64  * overlay_get_target_phandle() retrieves the target phandle of an
65  * overlay fragment when that fragment uses a phandle (target
69  *      the phandle pointed by the target property
70  *      0, if the phandle was not found
71  *	-1, if the phandle was malformed
97  * done (through a phandle or a path)
106 	uint32_t phandle;
110 	/* Try first to do a phandle based lookup */
111 	phandle = overlay_get_target_phandle(fdto, fragment);
112 	if (phandle == (uint32_t)-1)
115 	/* no phandle, try path */
116 	if (!phandle) {
124 		ret = fdt_node_offset_by_phandle(fdt, phandle);
148  * overlay_phandle_add_offset - Increases a phandle by an offset
151  * @name: Name of the property to modify (phandle or linux,phandle)
154  * overlay_phandle_add_offset() increments a node phandle by a given
207 	ret = overlay_phandle_add_offset(fdto, node, "phandle", delta);
211 	ret = overlay_phandle_add_offset(fdto, node, "linux,phandle", delta);
390  * overlay_fixup_one_phandle - Set an overlay phandle to the base one
394  * @path: Path to a node holding a phandle in the overlay
396  * @name: Name of the property holding the phandle reference in the overlay
398  * @poffset: Offset within the overlay property where the phandle is stored
399  * @label: Label of the node referenced by the phandle
401  * overlay_fixup_one_phandle() resolves an overlay phandle pointing to
419 	uint32_t phandle;
436 	phandle = fdt_get_phandle(fdt, symbol_off);
437 	if (!phandle)
446 	phandle_prop = cpu_to_fdt32(phandle);
454  * overlay_fixup_phandle - Set an overlay phandle to the base one