272 	struct pl011_dmatx_data	dmatx;  member
432 	uap->dmatx.chan = chan;  in pl011_dma_probe()
435 		 dma_chan_name(uap->dmatx.chan));  in pl011_dma_probe()
521 	if (uap->dmatx.chan)  in pl011_dma_remove()
522 		dma_release_channel(uap->dmatx.chan);  in pl011_dma_remove()
539 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_callback()  local
544 	if (uap->dmatx.queued)  in pl011_dma_tx_callback()
545 		dma_unmap_single(dmatx->chan->device->dev, dmatx->dma,  in pl011_dma_tx_callback()
546 				 dmatx->len, DMA_TO_DEVICE);  in pl011_dma_tx_callback()
563 		uap->dmatx.queued = false;  in pl011_dma_tx_callback()
588 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_refill()  local
589 	struct dma_chan *chan = dmatx->chan;  in pl011_dma_tx_refill()
603 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
617 	count = kfifo_out_peek(&tport->xmit_fifo, dmatx->buf, count);  in pl011_dma_tx_refill()
618 	dmatx->len = count;  in pl011_dma_tx_refill()
619 	dmatx->dma = dma_map_single(dma_dev->dev, dmatx->buf, count,  in pl011_dma_tx_refill()
621 	if (dmatx->dma == DMA_MAPPING_ERROR) {  in pl011_dma_tx_refill()
622 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
627 	desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV,  in pl011_dma_tx_refill()
630 		dma_unmap_single(dma_dev->dev, dmatx->dma, dmatx->len, DMA_TO_DEVICE);  in pl011_dma_tx_refill()
631 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
652 	uap->dmatx.queued = true;  in pl011_dma_tx_refill()
684 	if (uap->dmatx.queued) {  in pl011_dma_tx_irq()
710 	if (uap->dmatx.queued) {  in pl011_dma_tx_stop()
735 		if (!uap->dmatx.queued) {  in pl011_dma_tx_start()
791 	dmaengine_terminate_async(uap->dmatx.chan);  in pl011_dma_flush_buffer()
793 	if (uap->dmatx.queued) {  in pl011_dma_flush_buffer()
794 		dma_unmap_single(uap->dmatx.chan->device->dev, uap->dmatx.dma,  in pl011_dma_flush_buffer()
795 				 uap->dmatx.len, DMA_TO_DEVICE);  in pl011_dma_flush_buffer()
796 		uap->dmatx.queued = false;  in pl011_dma_flush_buffer()
1091 	if (!uap->dmatx.chan)  in pl011_dma_startup()
1094 	uap->dmatx.buf = kmalloc(PL011_DMA_BUFFER_SIZE, GFP_KERNEL | __GFP_DMA);  in pl011_dma_startup()
1095 	if (!uap->dmatx.buf) {  in pl011_dma_startup()
1100 	uap->dmatx.len = PL011_DMA_BUFFER_SIZE;  in pl011_dma_startup()
1174 		dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_shutdown()
1175 		if (uap->dmatx.queued) {  in pl011_dma_shutdown()
1176 			dma_unmap_single(uap->dmatx.chan->device->dev,  in pl011_dma_shutdown()
1177 					 uap->dmatx.dma, uap->dmatx.len,  in pl011_dma_shutdown()
1179 			uap->dmatx.queued = false;  in pl011_dma_shutdown()
1182 		kfree(uap->dmatx.buf);  in pl011_dma_shutdown()