REG_INTR_MASK
ret |= lc824206xa_write_reg(data, REG_INTR_MASK, INTR_MASK);
sp_intc_assign_bit(d->hwirq, REG_INTR_MASK, 0);
sp_intc_assign_bit(d->hwirq, REG_INTR_MASK, 1);
writel_relaxed(0, REG_INTR_MASK + i * 4);
writel(0xFFFFFFFF, cp->regs + REG_INTR_MASK);
writel(INTR_TX_DONE, cp->regs + REG_INTR_MASK);