of/sparc: move is_root_node() to of.h

Rename is_root_node() to of_node_is_root() and make it available for
all archs to use, as it's not PROM-specific.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 0 insertions, 8 deletions

diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index a8591ef2636d..eeb04a782ec8 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -9,14 +9,6 @@ extern void irq_trans_init(struct device_node *dp);
 
 extern unsigned int prom_unique_id;
 
-static inline int is_root_node(const struct device_node *dp)
-{
-        if (!dp)
-                return 0;
-
-        return (dp->parent == NULL);
-}
-
 extern char *build_path_component(struct device_node *dp);
 extern void of_console_init(void);