ret = __clk_enable(clk);
if (clk->enable) ret = clk->enable(clk); else if (arch_clock->clk_enable) ret = arch_clock->clk_enable(clk); else printk(KERN_ERR "Could not enable clock %s\n", clk->name);
int clk_enable(struct clk *clk){	unsigned long flags;	int ret;	spin_lock_irqsave(&clockfw_lock, flags);	ret = __clk_enable(clk);	spin_unlock_irqrestore(&clockfw_lock, flags);	return ret;}