INTR_STATUS_EN
reg = readl(master->regs + INTR_STATUS_EN);
writel(reg, master->regs + INTR_STATUS_EN);
if (!(status & readl(master->regs + INTR_STATUS_EN))) {
writel((u32)~INTR_ALL, master->regs + INTR_STATUS_EN);
writel(INTR_MASTER_MASK, master->regs + INTR_STATUS_EN);