INT_TIMER_EN
reg = rt2x00mmio_register_read(rt2x00dev, INT_TIMER_EN);
rt2x00mmio_register_write(rt2x00dev, INT_TIMER_EN, reg);
reg = rt2x00mmio_register_read(rt2x00dev, INT_TIMER_EN);
rt2x00mmio_register_write(rt2x00dev, INT_TIMER_EN, reg);