2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index e4b93a0a15d2..3c6e100a3ad0 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -19,6 +19,10 @@ config OF_FLATTREE
         bool
         select DTC
 
+config OF_EARLY_FLATTREE
+        bool
+        select OF_FLATTREE
+
 config OF_PROMTREE
         bool
 
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c1360e02f921..2ebacf14e7de 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -27,6 +27,8 @@ int __initdata dt_root_size_cells;
 
 struct boot_param_header *initial_boot_params;
 
+#ifdef CONFIG_OF_EARLY_FLATTREE
+
 char *find_flat_dt_string(u32 offset)
 {
         return ((char *)initial_boot_params) +
@@ -604,3 +606,5 @@ void __init unflatten_device_tree(void)
 
         pr_debug(" <- unflatten_device_tree()\n");
 }
+
+#endif /* CONFIG_OF_EARLY_FLATTREE */