__rspi_can_dma
return __rspi_can_dma(rspi, xfer);
if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer))
if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {
if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {