1 files changed, 18 insertions, 4 deletions

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index f2dd23a32267..07496560e5b9 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -164,11 +164,14 @@ static void *unflatten_dt_alloc(void **mem, unsigned long size,
  * unflatten_dt_node - Alloc and populate a device_node from the flat tree
  * @blob: The parent device tree blob
  * @mem: Memory chunk to use for allocating device nodes and properties
- * @p: pointer to node in flat tree
+ * @poffset: pointer to node in flat tree
  * @dad: Parent struct device_node
+ * @nodepp: The device_node tree created by the call
  * @fpsize: Size of the node path up at the current depth.
+ * @dryrun: If true, do not allocate device nodes but still calculate needed
+ * memory size
  */
-static void * unflatten_dt_node(void *blob,
+static void * unflatten_dt_node(const void *blob,
                                 void *mem,
                                 int *poffset,
                                 struct device_node *dad,
@@ -378,7 +381,7 @@ static void * unflatten_dt_node(void *blob,
  * @dt_alloc: An allocator that provides a virtual address to memory
  * for the resulting tree
  */
-static void __unflatten_device_tree(void *blob,
+static void __unflatten_device_tree(const void *blob,
                              struct device_node **mynodes,
                              void * (*dt_alloc)(u64 size, u64 align))
 {
@@ -441,7 +444,7 @@ static void *kernel_tree_alloc(u64 size, u64 align)
  * pointers of the nodes so the normal device-tree walking functions
  * can be used.
  */
-void of_fdt_unflatten_tree(unsigned long *blob,
+void of_fdt_unflatten_tree(const unsigned long *blob,
                         struct device_node **mynodes)
 {
         __unflatten_device_tree(blob, mynodes, &kernel_tree_alloc);
@@ -1024,6 +1027,11 @@ void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
         return __va(memblock_alloc(size, align));
 }
 #else
+void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
+{
+        WARN_ON(1);
+}
+
 int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
                                         phys_addr_t size, bool nomap)
 {
@@ -1031,6 +1039,12 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
                   &base, &size, nomap ? " (nomap)" : "");
         return -ENOSYS;
 }
+
+void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
+{
+        WARN_ON(1);
+        return NULL;
+}
 #endif
 
 bool __init early_init_dt_verify(void *params)