MT_MCU_INT_LEVEL
mt76_wr(dev, MT_MCU_INT_LEVEL, 0x3);
mt76_wr(dev, MT_MCU_INT_LEVEL, 1);
mt76_wr(dev, MT_MCU_INT_LEVEL, 2);
mt76_wr(dev, MT_MCU_INT_LEVEL, 4);