Consolidate of_get_parent
This requires creating dummy of_node_{get,put} routines for sparc and
sparc64. It also adds a read_lock around the parent accesses.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h
index 57f86c8..c7d5495 100644
--- a/include/asm-sparc/prom.h
+++ b/include/asm-sparc/prom.h
@@ -69,6 +69,15 @@
extern void prom_build_devicetree(void);
+/* Dummy ref counting routines - to be implemented later */
+static inline struct device_node *of_node_get(struct device_node *node)
+{
+ return node;
+}
+static inline void of_node_put(struct device_node *node)
+{
+}
+
/*
* NB: This is here while we transition from using asm/prom.h
* to linux/of.h