of: merge of_find_all_nodes() implementations

Merge common code between Microblaze and PowerPC, and make it available
to Sparc

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>

2 files changed, 0 insertions, 46 deletions

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index c005cc6f1aaf..b817df172aa9 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -860,29 +860,6 @@ struct device_node *of_find_node_by_phandle(phandle handle)
 EXPORT_SYMBOL(of_find_node_by_phandle);
 
 /**
- *      of_find_all_nodes - Get next node in global list
- *      @prev:  Previous node or NULL to start iteration
- *              of_node_put() will be called on it
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_all_nodes(struct device_node *prev)
-{
-        struct device_node *np;
-
-        read_lock(&devtree_lock);
-        np = prev ? prev->allnext : allnodes;
-        for (; np != NULL; np = np->allnext)
-                if (of_node_get(np))
-                        break;
-        of_node_put(prev);
-        read_unlock(&devtree_lock);
-        return np;
-}
-EXPORT_SYMBOL(of_find_all_nodes);
-
-/**
  *      of_node_get - Increment refcount of a node
  *      @node:  Node to inc refcount, NULL is supported to
  *              simplify writing of callers
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d4405b95bfaa..4ec300862466 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1317,29 +1317,6 @@ struct device_node *of_find_next_cache_node(struct device_node *np)
 }
 
 /**
- *      of_find_all_nodes - Get next node in global list
- *      @prev:  Previous node or NULL to start iteration
- *              of_node_put() will be called on it
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_all_nodes(struct device_node *prev)
-{
-        struct device_node *np;
-
-        read_lock(&devtree_lock);
-        np = prev ? prev->allnext : allnodes;
-        for (; np != 0; np = np->allnext)
-                if (of_node_get(np))
-                        break;
-        of_node_put(prev);
-        read_unlock(&devtree_lock);
-        return np;
-}
-EXPORT_SYMBOL(of_find_all_nodes);
-
-/**
  *      of_node_get - Increment refcount of a node
  *      @node:  Node to inc refcount, NULL is supported to
  *              simplify writing of callers