CHANIER
reg = data->regs + CHANIER(idx);
writel_relaxed(0, data->regs + CHANIER(i));
writel_relaxed(0, data->regs + CHANIER(i));
irqchip_data->saved_reg = readl_relaxed(data->regs + CHANIER(i));
writel_relaxed(irqchip_data->saved_reg, data->regs + CHANIER(i));
reg = data->regs + CHANIER(idx);