RFCSR_BUSY
rt2x00_set_field32(®, RFCSR_BUSY, 1);
rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg))
rt2x00_set_field32(®, RFCSR_BUSY, 1);
rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg))