1 files changed, 51 insertions, 0 deletions

diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 2b569ad984bd..dae0e3b23cf5 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -13,6 +13,7 @@
 
 #include <stddef.h>
 #include "types.h"
+#include "string.h"
 
 #define COMMAND_LINE_SIZE       512
 #define MAX_PATH_LEN            256
@@ -37,6 +38,12 @@ struct dt_ops {
                         const int buflen);
         int     (*setprop)(const void *phandle, const char *name,
                         const void *buf, const int buflen);
+        void *(*get_parent)(const void *phandle);
+        /* The node must not already exist. */
+        void *(*create_node)(const void *parent, const char *name);
+        void *(*find_node_by_prop_value)(const void *prev,
+                                         const char *propname,
+                                         const char *propval, int proplen);
         unsigned long (*finalize)(void);
 };
 extern struct dt_ops dt_ops;
@@ -89,6 +96,50 @@ static inline int setprop(void *devp, const char *name, void *buf, int buflen)
         return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
 }
 
+static inline int setprop_str(void *devp, const char *name, const char *buf)
+{
+        if (dt_ops.setprop)
+                return dt_ops.setprop(devp, name, buf, strlen(buf) + 1);
+
+        return -1;
+}
+
+static inline void *get_parent(const char *devp)
+{
+        return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
+}
+
+static inline void *create_node(const void *parent, const char *name)
+{
+        return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL;
+}
+
+
+static inline void *find_node_by_prop_value(const void *prev,
+                                            const char *propname,
+                                            const char *propval, int proplen)
+{
+        if (dt_ops.find_node_by_prop_value)
+                return dt_ops.find_node_by_prop_value(prev, propname,
+                                                      propval, proplen);
+
+        return NULL;
+}
+
+static inline void *find_node_by_prop_value_str(const void *prev,
+                                                const char *propname,
+                                                const char *propval)
+{
+        return find_node_by_prop_value(prev, propname, propval,
+                                       strlen(propval) + 1);
+}
+
+static inline void *find_node_by_devtype(const void *prev,
+                                         const char *type)
+{
+        return find_node_by_prop_value_str(prev, "device_type", type);
+}
+
 static inline void *malloc(u32 size)
 {
         return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;