of/fdt: split off FDT self reservation from memreserve processing

[deliverable/linux.git] / drivers / of / fdt.c

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index cde35c5d0191bd5950c7953d5b8e88a2d139306f..f2dd23a32267d0476104af2547084d36d7d834f9 100644 (file)
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -580,11 +580,6 @@ void __init early_init_fdt_scan_reserved_mem(void)
        if (!initial_boot_params)
                return;
 
-       /* Reserve the dtb region */
-       early_init_dt_reserve_memory_arch(__pa(initial_boot_params),
-                                         fdt_totalsize(initial_boot_params),
-                                         0);
-
        /* Process header /memreserve/ fields */
        for (n = 0; ; n++) {
                fdt_get_mem_rsv(initial_boot_params, n, &base, &size);
@@ -597,6 +592,20 @@ void __init early_init_fdt_scan_reserved_mem(void)
        fdt_init_reserved_mem();
 }
 
+/**
+ * early_init_fdt_reserve_self() - reserve the memory used by the FDT blob
+ */
+void __init early_init_fdt_reserve_self(void)
+{
+       if (!initial_boot_params)
+               return;
+
+       /* Reserve the dtb region */
+       early_init_dt_reserve_memory_arch(__pa(initial_boot_params),
+                                         fdt_totalsize(initial_boot_params),
+                                         0);
+}
+
 /**
  * of_scan_flat_dt - scan flattened tree blob and call callback on each.
  * @it: callback function