static int meson_reset_level()

in reset-meson.c [47:71]

• 20 lines of code
• 2 McCabe index (conditional complexity)

static int meson_reset_level(struct reset_controller_dev *rcdev,
			    unsigned long id, bool assert)
{
	struct meson_reset *data =
		container_of(rcdev, struct meson_reset, rcdev);
	unsigned int bank = id / BITS_PER_REG;
	unsigned int offset = id % BITS_PER_REG;
	void __iomem *reg_addr;
	unsigned long flags;
	u32 reg;

	reg_addr = data->reg_base + data->param->level_offset + (bank << 2);

	spin_lock_irqsave(&data->lock, flags);

	reg = readl(reg_addr);
	if (assert)
		writel(reg & ~BIT(offset), reg_addr);
	else
		writel(reg | BIT(offset), reg_addr);

	spin_unlock_irqrestore(&data->lock, flags);

	return 0;
}