INTR_SIGNAL_EN
reg = readl(master->regs + INTR_SIGNAL_EN);
writel(reg, master->regs + INTR_SIGNAL_EN);
writel((u32)~INTR_ALL, master->regs + INTR_SIGNAL_EN);
writel(INTR_MASTER_MASK, master->regs + INTR_SIGNAL_EN);