of/flattree: minor cleanups

 - static-ize some functions
 - add some additional comments

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index af824e7e0367..c9db49c10f45 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -139,12 +139,13 @@ static void *unflatten_dt_alloc(unsigned long *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
  * @dad: Parent struct device_node
  * @allnextpp: pointer to ->allnext from last allocated device_node
  * @fpsize: Size of the node path up at the current depth.
  */
-unsigned long unflatten_dt_node(struct boot_param_header *blob,
+static unsigned long unflatten_dt_node(struct boot_param_header *blob,
                                 unsigned long mem,
                                 unsigned long *p,
                                 struct device_node *dad,
@@ -230,6 +231,7 @@ unsigned long unflatten_dt_node(struct boot_param_header *blob,
                 }
                 kref_init(&np->kref);
         }
+        /* process properties */
         while (1) {
                 u32 sz, noff;
                 char *pname;
@@ -351,7 +353,7 @@ unsigned long unflatten_dt_node(struct boot_param_header *blob,
  * @dt_alloc: An allocator that provides a virtual address to memory
  * for the resulting tree
  */
-void __unflatten_device_tree(struct boot_param_header *blob,
+static void __unflatten_device_tree(struct boot_param_header *blob,
                              struct device_node **mynodes,
                              void * (*dt_alloc)(u64 size, u64 align))
 {