spi_imx_dma_tx_data_handle
ret = spi_imx_dma_tx_data_handle(spi_imx, &spi_imx->dma_data[0], transfer->tx_buf,
ret = spi_imx_dma_tx_data_handle(spi_imx, &spi_imx->dma_data[0], transfer->tx_buf,
ret = spi_imx_dma_tx_data_handle(spi_imx, &spi_imx->dma_data[1],