diff --git a/arch/arm/mach-rk30/clock_data.c b/arch/arm/mach-rk30/clock_data.c
index b468e1679ce7..5c56d9a562f5 100755
--- a/arch/arm/mach-rk30/clock_data.c
+++ b/arch/arm/mach-rk30/clock_data.c
@@ -2320,7 +2320,7 @@ static struct clk_lookup clks[] = {
 	CLK(NULL, "ddr", &clk_ddr),
 	//CLK(NULL, "core_gpll_path", &clk_cpu_gpll_path),
 	CLK(NULL, "cpu", &clk_cpu),
-	CLK(NULL, "smp_twd", &core_periph),
+	CLK("smp_twd", NULL, &core_periph),
 	CLK(NULL, "aclk_cpu", &aclk_cpu),
 	CLK(NULL, "hclk_cpu", &hclk_cpu),
 	CLK(NULL, "pclk_cpu", &pclk_cpu),