278 	struct pl011_dmatx_data	dmatx;  member
443 	uap->dmatx.chan = chan;  in pl011_dma_probe()
446 		 dma_chan_name(uap->dmatx.chan));  in pl011_dma_probe()
534 	if (uap->dmatx.chan)  in pl011_dma_remove()
535 		dma_release_channel(uap->dmatx.chan);  in pl011_dma_remove()
551 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_callback()  local
556 	if (uap->dmatx.queued)  in pl011_dma_tx_callback()
557 		dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1,  in pl011_dma_tx_callback()
575 		uap->dmatx.queued = false;  in pl011_dma_tx_callback()
600 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_refill()  local
601 	struct dma_chan *chan = dmatx->chan;  in pl011_dma_tx_refill()
615 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
630 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], count);  in pl011_dma_tx_refill()
639 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], first);  in pl011_dma_tx_refill()
641 			memcpy(&dmatx->buf[first], &xmit->buf[0], second);  in pl011_dma_tx_refill()
644 	dmatx->sg.length = count;  in pl011_dma_tx_refill()
646 	if (dma_map_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE) != 1) {  in pl011_dma_tx_refill()
647 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
652 	desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,  in pl011_dma_tx_refill()
655 		dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);  in pl011_dma_tx_refill()
656 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
677 	uap->dmatx.queued = true;  in pl011_dma_tx_refill()
710 	if (uap->dmatx.queued) {  in pl011_dma_tx_irq()
736 	if (uap->dmatx.queued) {  in pl011_dma_tx_stop()
761 		if (!uap->dmatx.queued) {  in pl011_dma_tx_start()
818 	dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_flush_buffer()
820 	if (uap->dmatx.queued) {  in pl011_dma_flush_buffer()
821 		dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_flush_buffer()
823 		uap->dmatx.queued = false;  in pl011_dma_flush_buffer()
1120 	if (!uap->dmatx.chan)  in pl011_dma_startup()
1123 	uap->dmatx.buf = kmalloc(PL011_DMA_BUFFER_SIZE, GFP_KERNEL | __GFP_DMA);  in pl011_dma_startup()
1124 	if (!uap->dmatx.buf) {  in pl011_dma_startup()
1130 	sg_init_one(&uap->dmatx.sg, uap->dmatx.buf, PL011_DMA_BUFFER_SIZE);  in pl011_dma_startup()
1205 		dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_shutdown()
1206 		if (uap->dmatx.queued) {  in pl011_dma_shutdown()
1207 			dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_shutdown()
1209 			uap->dmatx.queued = false;  in pl011_dma_shutdown()
1212 		kfree(uap->dmatx.buf);  in pl011_dma_shutdown()