read_dma_reg
sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch));
sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch));
sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if));
sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if));
sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch));
sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch));
tmp = read_dma_reg(PAS_DMA_CAP_IFI);
tmp = read_dma_reg(off+4*i);
rcmdsta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if));
rcmdsta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if));
ccmdsta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(chan->chno));
cmdsta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(chan->chno));