diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h
index c4f36f0..32864b3 100644
--- a/arch/arm/mach-s3c2410/clock.h
+++ b/arch/arm/mach-s3c2410/clock.h
@@ -21,6 +21,8 @@
 	unsigned long         ctrlbit;
 
 	int		    (*enable)(struct clk *, int enable);
+	int		    (*set_rate)(struct clk *c, unsigned long rate);
+	unsigned long	    (*round_rate)(struct clk *c, unsigned long rate);
 	int		    (*set_parent)(struct clk *c, struct clk *parent);
 };