182 	struct pl011_dmatx_data	dmatx;  member
323 	uap->dmatx.chan = chan;  in pl011_dma_probe()
326 		 dma_chan_name(uap->dmatx.chan));  in pl011_dma_probe()
413 	if (uap->dmatx.chan)  in pl011_dma_remove()
414 		dma_release_channel(uap->dmatx.chan);  in pl011_dma_remove()
430 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_callback()  local
435 	if (uap->dmatx.queued)  in pl011_dma_tx_callback()
436 		dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1,  in pl011_dma_tx_callback()
454 		uap->dmatx.queued = false;  in pl011_dma_tx_callback()
479 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_refill()  local
480 	struct dma_chan *chan = dmatx->chan;  in pl011_dma_tx_refill()
494 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
509 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], count);  in pl011_dma_tx_refill()
518 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], first);  in pl011_dma_tx_refill()
520 			memcpy(&dmatx->buf[first], &xmit->buf[0], second);  in pl011_dma_tx_refill()
523 	dmatx->sg.length = count;  in pl011_dma_tx_refill()
525 	if (dma_map_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE) != 1) {  in pl011_dma_tx_refill()
526 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
531 	desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,  in pl011_dma_tx_refill()
534 		dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);  in pl011_dma_tx_refill()
535 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
556 	uap->dmatx.queued = true;  in pl011_dma_tx_refill()
589 	if (uap->dmatx.queued) {  in pl011_dma_tx_irq()
615 	if (uap->dmatx.queued) {  in pl011_dma_tx_stop()
640 		if (!uap->dmatx.queued) {  in pl011_dma_tx_start()
699 	dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_flush_buffer()
701 	if (uap->dmatx.queued) {  in pl011_dma_flush_buffer()
702 		dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_flush_buffer()
704 		uap->dmatx.queued = false;  in pl011_dma_flush_buffer()
1001 	if (!uap->dmatx.chan)  in pl011_dma_startup()
1004 	uap->dmatx.buf = kmalloc(PL011_DMA_BUFFER_SIZE, GFP_KERNEL | __GFP_DMA);  in pl011_dma_startup()
1005 	if (!uap->dmatx.buf) {  in pl011_dma_startup()
1011 	sg_init_one(&uap->dmatx.sg, uap->dmatx.buf, PL011_DMA_BUFFER_SIZE);  in pl011_dma_startup()
1088 		dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_shutdown()
1089 		if (uap->dmatx.queued) {  in pl011_dma_shutdown()
1090 			dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_shutdown()
1092 			uap->dmatx.queued = false;  in pl011_dma_shutdown()
1095 		kfree(uap->dmatx.buf);  in pl011_dma_shutdown()