extern void propagate_rate(struct clk *clk);
extern void recalculate_root_clocks(void);
extern void followparent_recalc(struct clk *clk);
-extern int clk_get_usecount(struct clk *clk);
extern void clk_enable_init_clocks(void);
#ifdef CONFIG_CPU_FREQ
extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);