diff options
-rw-r--r-- | cpukit/include/libfdt.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/cpukit/include/libfdt.h b/cpukit/include/libfdt.h index 7f117e8815..a7f432c80c 100644 --- a/cpukit/include/libfdt.h +++ b/cpukit/include/libfdt.h @@ -2116,6 +2116,24 @@ int fdt_del_node(void *fdt, int nodeoffset); */ int fdt_overlay_apply(void *fdt, void *fdto); +/** + * fdt_overlay_target_offset - retrieves the offset of a fragment's target + * @fdt: Base device tree blob + * @fdto: Device tree overlay blob + * @fragment_offset: node offset of the fragment in the overlay + * @pathp: pointer which receives the path of the target (or NULL) + * + * fdt_overlay_target_offset() retrieves the target offset in the base + * device tree of a fragment, no matter how the actual targeting is + * done (through a phandle or a path) + * + * returns: + * the targeted node offset in the base device tree + * Negative error code on error + */ +int fdt_overlay_target_offset(const void *fdt, const void *fdto, + int fragment_offset, char const **pathp); + /**********************************************************************/ /* Debugging / informational functions */ /**********************************************************************/ |