rspi_request_dma_chan 1084 drivers/spi/spi-rspi.c ctlr->dma_tx = rspi_request_dma_chan(dev, DMA_MEM_TO_DEV, dma_tx_id, rspi_request_dma_chan 1089 drivers/spi/spi-rspi.c ctlr->dma_rx = rspi_request_dma_chan(dev, DMA_DEV_TO_MEM, dma_rx_id,