int clk_set_rate_locked(struct clk * clk,unsigned long rate);
void clk_register_dvfs(struct clk_node *dvfs_clk, struct clk *clk);
struct clk_node *clk_get_dvfs_info(struct clk *clk);
int clk_set_rate_locked(struct clk * clk,unsigned long rate);
void clk_register_dvfs(struct clk_node *dvfs_clk, struct clk *clk);
struct clk_node *clk_get_dvfs_info(struct clk *clk);