of/fdt: introduce of_get_flat_dt_size
Add a wrapper function to retrieve the FDT size from the FDT header. This
is primarily to avoid libfdt include paths for the whole kernel.
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 348dae2..e10099c9 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -92,6 +92,7 @@
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern int of_flat_dt_match(unsigned long node, const char *const *matches);
extern unsigned long of_get_flat_dt_root(void);
+extern int of_get_flat_dt_size(void);
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data);