WPDMA_GLO_CFG_TX_DMA_BUSY
if (rt2x00_get_field32(reg_cfg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);