169 	struct pl011_dmatx_data	dmatx;  member
310 	uap->dmatx.chan = chan;  in pl011_dma_probe()
313 		 dma_chan_name(uap->dmatx.chan));  in pl011_dma_probe()
400 	if (uap->dmatx.chan)  in pl011_dma_remove()
401 		dma_release_channel(uap->dmatx.chan);  in pl011_dma_remove()
417 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_callback()  local
422 	if (uap->dmatx.queued)  in pl011_dma_tx_callback()
423 		dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1,  in pl011_dma_tx_callback()
441 		uap->dmatx.queued = false;  in pl011_dma_tx_callback()
466 	struct pl011_dmatx_data *dmatx = &uap->dmatx;  in pl011_dma_tx_refill()  local
467 	struct dma_chan *chan = dmatx->chan;  in pl011_dma_tx_refill()
481 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
496 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], count);  in pl011_dma_tx_refill()
505 		memcpy(&dmatx->buf[0], &xmit->buf[xmit->tail], first);  in pl011_dma_tx_refill()
507 			memcpy(&dmatx->buf[first], &xmit->buf[0], second);  in pl011_dma_tx_refill()
510 	dmatx->sg.length = count;  in pl011_dma_tx_refill()
512 	if (dma_map_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE) != 1) {  in pl011_dma_tx_refill()
513 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
518 	desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,  in pl011_dma_tx_refill()
521 		dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);  in pl011_dma_tx_refill()
522 		uap->dmatx.queued = false;  in pl011_dma_tx_refill()
543 	uap->dmatx.queued = true;  in pl011_dma_tx_refill()
576 	if (uap->dmatx.queued) {  in pl011_dma_tx_irq()
602 	if (uap->dmatx.queued) {  in pl011_dma_tx_stop()
627 		if (!uap->dmatx.queued) {  in pl011_dma_tx_start()
686 	dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_flush_buffer()
688 	if (uap->dmatx.queued) {  in pl011_dma_flush_buffer()
689 		dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_flush_buffer()
691 		uap->dmatx.queued = false;  in pl011_dma_flush_buffer()
988 	if (!uap->dmatx.chan)  in pl011_dma_startup()
991 	uap->dmatx.buf = kmalloc(PL011_DMA_BUFFER_SIZE, GFP_KERNEL | __GFP_DMA);  in pl011_dma_startup()
992 	if (!uap->dmatx.buf) {  in pl011_dma_startup()
998 	sg_init_one(&uap->dmatx.sg, uap->dmatx.buf, PL011_DMA_BUFFER_SIZE);  in pl011_dma_startup()
1075 		dmaengine_terminate_all(uap->dmatx.chan);  in pl011_dma_shutdown()
1076 		if (uap->dmatx.queued) {  in pl011_dma_shutdown()
1077 			dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1,  in pl011_dma_shutdown()
1079 			uap->dmatx.queued = false;  in pl011_dma_shutdown()
1082 		kfree(uap->dmatx.buf);  in pl011_dma_shutdown()