415 	struct xrx200_chan *ch_rx = &priv->chan_rx;  in xrx200_change_mtu()  local
431 		napi_disable(&ch_rx->napi);  in xrx200_change_mtu()
432 		ltq_dma_close(&ch_rx->dma);  in xrx200_change_mtu()
435 	xrx200_poll_rx(&ch_rx->napi, LTQ_DESC_NUM);  in xrx200_change_mtu()
436 	curr_desc = ch_rx->dma.desc;  in xrx200_change_mtu()
438 	for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM;  in xrx200_change_mtu()
439 	     ch_rx->dma.desc++) {  in xrx200_change_mtu()
440 		buff = ch_rx->rx_buff[ch_rx->dma.desc];  in xrx200_change_mtu()
441 		ret = xrx200_alloc_buf(ch_rx, netdev_alloc_frag);  in xrx200_change_mtu()
451 	ch_rx->dma.desc = curr_desc;  in xrx200_change_mtu()
453 		napi_enable(&ch_rx->napi);  in xrx200_change_mtu()
454 		ltq_dma_open(&ch_rx->dma);  in xrx200_change_mtu()
455 		ltq_dma_enable_irq(&ch_rx->dma);  in xrx200_change_mtu()
486 	struct xrx200_chan *ch_rx = &priv->chan_rx;  in xrx200_dma_init()  local
494 	ch_rx->dma.nr = XRX200_DMA_RX;  in xrx200_dma_init()
495 	ch_rx->dma.dev = priv->dev;  in xrx200_dma_init()
496 	ch_rx->priv = priv;  in xrx200_dma_init()
498 	ltq_dma_alloc_rx(&ch_rx->dma);  in xrx200_dma_init()
499 	for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM;  in xrx200_dma_init()
500 	     ch_rx->dma.desc++) {  in xrx200_dma_init()
501 		ret = xrx200_alloc_buf(ch_rx, netdev_alloc_frag);  in xrx200_dma_init()
505 	ch_rx->dma.desc = 0;  in xrx200_dma_init()
506 	ret = devm_request_irq(priv->dev, ch_rx->dma.irq, xrx200_dma_irq, 0,  in xrx200_dma_init()
510 			ch_rx->dma.irq);  in xrx200_dma_init()
540 	ltq_dma_free(&ch_rx->dma);  in xrx200_dma_init()