From 57c7809ab0452bb9dc29c383fe64b651c911e1d2 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Tue, 5 Jul 2016 10:26:39 +0200 Subject: libfdt: Add max phandle retrieval function Add a function to retrieve the highest phandle in a given device tree. Signed-off-by: Maxime Ripard Reviewed-by: Stefan Agner Acked-by: Simon Glass --- include/libfdt.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include/libfdt.h') diff --git a/include/libfdt.h b/include/libfdt.h index fbbe58c..4643be5 100644 --- a/include/libfdt.h +++ b/include/libfdt.h @@ -284,6 +284,19 @@ int fdt_move(const void *fdt, void *buf, int bufsize); const char *fdt_string(const void *fdt, int stroffset); /** + * fdt_get_max_phandle - retrieves the highest phandle in a tree + * @fdt: pointer to the device tree blob + * + * fdt_get_max_phandle retrieves the highest phandle in the given + * device tree + * + * returns: + * the highest phandle on success + * 0, if an error occurred + */ +uint32_t fdt_get_max_phandle(const void *fdt); + +/** * fdt_num_mem_rsv - retrieve the number of memory reserve map entries * @fdt: pointer to the device tree blob * -- cgit v1.1