[POWERPC] Routine to find the devtree node of a linux,phandle

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index fbd9030..ee0f9c2 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -158,6 +158,12 @@
 	__dt_fixup_mac_addresses(0, __VA_ARGS__, NULL)
 
 
+static inline void *find_node_by_linuxphandle(const u32 linuxphandle)
+{
+	return find_node_by_prop_value(NULL, "linux,phandle",
+			(char *)&linuxphandle, sizeof(u32));
+}
+
 static inline void *malloc(u32 size)
 {
 	return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;