434 	struct ks8842_tx_dma_ctl *ctl = &adapter->dma_tx;  in ks8842_tx_frame_dma()  local
435 	u8 *buf = ctl->buf;  in ks8842_tx_frame_dma()
437 	if (ctl->adesc) {  in ks8842_tx_frame_dma()
443 	sg_dma_len(&ctl->sg) = skb->len + sizeof(u32);  in ks8842_tx_frame_dma()
454 		sg_dma_address(&ctl->sg), 0, sg_dma_len(&ctl->sg),  in ks8842_tx_frame_dma()
458 	if (sg_dma_len(&ctl->sg) % 4)  in ks8842_tx_frame_dma()
459 		sg_dma_len(&ctl->sg) += 4 - sg_dma_len(&ctl->sg) % 4;  in ks8842_tx_frame_dma()
461 	ctl->adesc = dmaengine_prep_slave_sg(ctl->chan,  in ks8842_tx_frame_dma()
462 		&ctl->sg, 1, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT);  in ks8842_tx_frame_dma()
463 	if (!ctl->adesc)  in ks8842_tx_frame_dma()
466 	ctl->adesc->callback_param = netdev;  in ks8842_tx_frame_dma()
467 	ctl->adesc->callback = ks8842_dma_tx_cb;  in ks8842_tx_frame_dma()
468 	ctl->adesc->tx_submit(ctl->adesc);  in ks8842_tx_frame_dma()
555 	struct ks8842_rx_dma_ctl *ctl = &adapter->dma_rx;  in __ks8842_start_new_rx_dma()  local
556 	struct scatterlist *sg = &ctl->sg;  in __ks8842_start_new_rx_dma()
559 	ctl->skb = netdev_alloc_skb(netdev, DMA_BUFFER_SIZE);  in __ks8842_start_new_rx_dma()
560 	if (ctl->skb) {  in __ks8842_start_new_rx_dma()
563 			ctl->skb->data, DMA_BUFFER_SIZE, DMA_FROM_DEVICE);  in __ks8842_start_new_rx_dma()
572 		ctl->adesc = dmaengine_prep_slave_sg(ctl->chan,  in __ks8842_start_new_rx_dma()
575 		if (!ctl->adesc)  in __ks8842_start_new_rx_dma()
578 		ctl->adesc->callback_param = netdev;  in __ks8842_start_new_rx_dma()
579 		ctl->adesc->callback = ks8842_dma_rx_cb;  in __ks8842_start_new_rx_dma()
580 		ctl->adesc->tx_submit(ctl->adesc);  in __ks8842_start_new_rx_dma()
593 	if (ctl->skb)  in __ks8842_start_new_rx_dma()
594 		dev_kfree_skb(ctl->skb);  in __ks8842_start_new_rx_dma()
596 	ctl->skb = NULL;  in __ks8842_start_new_rx_dma()
606 	struct ks8842_rx_dma_ctl *ctl = &adapter->dma_rx;  in ks8842_rx_frame_dma_tasklet()  local
607 	struct sk_buff *skb = ctl->skb;  in ks8842_rx_frame_dma_tasklet()
608 	dma_addr_t addr = sg_dma_address(&ctl->sg);  in ks8842_rx_frame_dma_tasklet()
611 	ctl->adesc = NULL;  in ks8842_rx_frame_dma_tasklet()
857 	struct ks8842_tx_dma_ctl	*ctl = &adapter->dma_tx;  in ks8842_dma_tx_cb()  local
861 	if (!ctl->adesc)  in ks8842_dma_tx_cb()
865 	ctl->adesc = NULL;  in ks8842_dma_tx_cb()