__clk_unuse(clk);
if (arch_clock->clk_unuse) arch_clock->clk_unuse(clk);
void clk_unuse(struct clk *clk){	unsigned long flags;	spin_lock_irqsave(&clockfw_lock, flags);	__clk_unuse(clk);	spin_unlock_irqrestore(&clockfw_lock, flags);}