- s->cookie_rx[new] = desc->tx_submit(desc);
- if (s->cookie_rx[new] < 0) {
- dev_warn(port->dev, "Failed submitting Rx DMA descriptor\n");
- sci_rx_dma_release(s, true);
- return;
- }
+ desc = dmaengine_prep_slave_sg(s->chan_rx, &s->sg_rx[new], 1,
+ DMA_DEV_TO_MEM,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!desc)
+ goto fail;
+
+ desc->callback = sci_dma_rx_complete;
+ desc->callback_param = s;
+ s->cookie_rx[new] = dmaengine_submit(desc);
+ if (dma_submit_error(s->cookie_rx[new]))
+ goto fail;