dtc/libfdt/fdt_overlay.c

15  * overlay_get_target_phandle - retrieves the target phandle of a fragment
19  * overlay_get_target_phandle() retrieves the target phandle of an
20  * overlay fragment when that fragment uses a phandle (target
24  *      the phandle pointed by the target property
25  *      0, if the phandle was not found
26  *	-1, if the phandle was malformed
46 	uint32_t phandle;
50 	/* Try first to do a phandle based lookup */
51 	phandle = overlay_get_target_phandle(fdto, fragment_offset);
52 	if (phandle == (uint32_t)-1)
55 	/* no phandle, try path */
56 	if (!phandle) {
64 		ret = fdt_node_offset_by_phandle(fdt, phandle);
88  * overlay_phandle_add_offset - Increases a phandle by an offset
91  * @name: Name of the property to modify (phandle or linux,phandle)
94  * overlay_phandle_add_offset() increments a node phandle by a given
147 	ret = overlay_phandle_add_offset(fdto, node, "phandle", delta);
151 	ret = overlay_phandle_add_offset(fdto, node, "linux,phandle", delta);
331  * overlay_fixup_one_phandle - Set an overlay phandle to the base one
335  * @path: Path to a node holding a phandle in the overlay
337  * @name: Name of the property holding the phandle reference in the overlay
339  * @poffset: Offset within the overlay property where the phandle is stored
340  * @label: Label of the node referenced by the phandle
342  * overlay_fixup_one_phandle() resolves an overlay phandle pointing to
360 	uint32_t phandle;
377 	phandle = fdt_get_phandle(fdt, symbol_off);
378 	if (!phandle)
387 	phandle_prop = cpu_to_fdt32(phandle);
395  * overlay_fixup_phandle - Set an overlay phandle to the base one