diff --git a/drivers/gpu/nvgpu/gk20a/clk_gk20a.h b/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
index 8400b8bac..a45dfcb75 100644
--- a/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 - 2014, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011 - 2016, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -89,6 +89,7 @@ struct clk_gk20a {
 	struct mutex clk_mutex;
 	struct namemap_cfg *clk_namemap;
 	u32 namemap_num;
+	u32 *namemap_xlat_table;
 	bool sw_ready;
 	bool clk_hw_on;
 	bool debugfs_set;
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 071111ab5..49c2a3482 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -633,6 +633,7 @@ struct gpu_ops {
 		int (*init_clk_support)(struct gk20a *g);
 		int (*suspend_clk_support)(struct gk20a *g);
 		u32 (*get_crystal_clk_hz)(struct gk20a *g);
+		u16 (*get_rate)(struct gk20a *g, u32 api_domain);
 	} clk;
 	struct {
 		u32 (*get_arbiter_clk_domains)(struct gk20a *g);