[POWERPC] bootwrapper: Add get_path()

This will be used by the PlanetCore firmware support to construct
a linux,stdout-path from the serial node that it finds.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 45c2268d5c56..703255bf0089 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -47,6 +47,7 @@ struct dt_ops {
                                          const char *propname,
                                          const char *propval, int proplen);
         unsigned long (*finalize)(void);
+        char *(*get_path)(const void *phandle, char *buf, int len);
 };
 extern struct dt_ops dt_ops;
 
@@ -170,6 +171,14 @@ static inline void *find_node_by_linuxphandle(const u32 linuxphandle)
                         (char *)&linuxphandle, sizeof(u32));
 }
 
+static inline char *get_path(const void *phandle, char *buf, int len)
+{
+        if (dt_ops.get_path)
+                return dt_ops.get_path(phandle, buf, len);
+
+        return NULL;
+}
+
 static inline void *malloc(unsigned long size)
 {
         return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;