diff --git a/arch/arm/mach-rk30/clock.c b/arch/arm/mach-rk30/clock.c
index 1017eaf3965c..6510885f295d 100644
--- a/arch/arm/mach-rk30/clock.c
+++ b/arch/arm/mach-rk30/clock.c
@@ -20,3 +20,9 @@ void clk_disable(struct clk *clk)
 		return;
 }
 EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return 24000000;
+}
+EXPORT_SYMBOL(clk_get_rate);