diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 075db0c..759ca47 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -1287,7 +1287,7 @@
 	{},
 };
 
-void __init tegra20_clock_init(struct device_node *np)
+static void __init tegra20_clock_init(struct device_node *np)
 {
 	int i;
 	struct device_node *node;
@@ -1339,3 +1339,4 @@
 
 	tegra_cpu_car_ops = &tegra20_cpu_car_ops;
 }
+CLK_OF_DECLARE(tegra20, "nvidia,tegra20-car", tegra20_clock_init);