[PATCH] of/fdt: fix argument name and add comments of unflatten_dt_node()

[Masahiro Yamada]

Match the name of the third argument in the comment block
to the actual function: p -> poffset

Add missing comments about the arguments "nodepp" and "dryrun".

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 drivers/of/fdt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 3a896c9..35898ca 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -145,9 +145,12 @@ 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,
 				void *mem,
-- 
1.9.1

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