diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 3ccf186..9237c29 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -94,6 +94,9 @@
 long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
 			      unsigned int div_max, unsigned long rate);
 
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+			       unsigned int mult_max, unsigned long rate);
+
 long clk_round_parent(struct clk *clk, unsigned long target,
 		      unsigned long *best_freq, unsigned long *parent_freq,
 		      unsigned int div_min, unsigned int div_max);