int clk_set_rate()

in clk/core.c [480:508]

• 22 lines of code
• 7 McCabe index (conditional complexity)

int clk_set_rate(struct clk *clk, unsigned long rate)
{
	int ret = -EOPNOTSUPP;
	unsigned long flags;

	if (!clk)
		return 0;

	spin_lock_irqsave(&clock_lock, flags);

	if (likely(clk->ops && clk->ops->set_rate)) {
		ret = clk->ops->set_rate(clk, rate);
		if (ret != 0)
			goto out_unlock;
	} else {
		clk->rate = rate;
		ret = 0;
	}

	if (clk->ops && clk->ops->recalc)
		clk->rate = clk->ops->recalc(clk);

	propagate_rate(clk);

out_unlock:
	spin_unlock_irqrestore(&clock_lock, flags);

	return ret;
}