373 		struct dma_controller	*dma = musb->dma_controller;  in musb_advance_schedule()  local
378 				dma->channel_release(ep->rx_channel);  in musb_advance_schedule()
384 				dma->channel_release(ep->tx_channel);  in musb_advance_schedule()
617 static bool musb_tx_dma_program(struct dma_controller *dma,  in musb_tx_dma_program()  argument
666 	if (!dma->channel_program(channel, pkt_size, mode,  in musb_tx_dma_program()
668 		dma->channel_release(channel);  in musb_tx_dma_program()
1116 	struct dma_channel	*dma;  in musb_host_tx()  local
1129 	dma = is_dma_capable() ? hw_ep->tx_channel : NULL;  in musb_host_tx()
1131 			dma ? ", dma" : "");  in musb_host_tx()
1166 		if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {  in musb_host_tx()
1167 			dma->status = MUSB_DMA_STATUS_CORE_ABORT;  in musb_host_tx()
1168 			(void) musb->dma_controller->channel_abort(dma);  in musb_host_tx()
1192 	if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {  in musb_host_tx()
1197 	if (is_dma_capable() && dma && !status) {  in musb_host_tx()
1258 	if (!status || dma || usb_pipeisoc(pipe)) {  in musb_host_tx()
1259 		if (dma)  in musb_host_tx()
1260 			length = dma->actual_len;  in musb_host_tx()
1280 		} else if (dma && urb->transfer_buffer_length == qh->offset) {  in musb_host_tx()
1313 	} else if ((usb_pipeisoc(pipe) || transfer_pending) && dma) {  in musb_host_tx()
1389 	struct dma_channel	*dma;  in musb_bulk_rx_nak_timeout()  local
1397 	dma = is_dma_capable() ? ep->rx_channel : NULL;  in musb_bulk_rx_nak_timeout()
1408 		if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {  in musb_bulk_rx_nak_timeout()
1409 			dma->status = MUSB_DMA_STATUS_CORE_ABORT;  in musb_bulk_rx_nak_timeout()
1410 			musb->dma_controller->channel_abort(dma);  in musb_bulk_rx_nak_timeout()
1411 			urb->actual_length += dma->actual_len;  in musb_bulk_rx_nak_timeout()
1412 			dma->actual_len = 0L;  in musb_bulk_rx_nak_timeout()
1445 	struct dma_channel	*dma;  in musb_host_rx()  local
1450 	dma = is_dma_capable() ? hw_ep->rx_channel : NULL;  in musb_host_rx()
1472 		dma ? dma->actual_len : 0);  in musb_host_rx()
1527 		if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {  in musb_host_rx()
1528 			dma->status = MUSB_DMA_STATUS_CORE_ABORT;  in musb_host_rx()
1529 			(void) musb->dma_controller->channel_abort(dma);  in musb_host_rx()
1530 			xfer_len = dma->actual_len;  in musb_host_rx()
1538 	if (unlikely(dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY)) {  in musb_host_rx()
1558 		if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {  in musb_host_rx()
1559 			dma->status = MUSB_DMA_STATUS_CORE_ABORT;  in musb_host_rx()
1560 			(void) musb->dma_controller->channel_abort(dma);  in musb_host_rx()
1561 			xfer_len = dma->actual_len;  in musb_host_rx()
1566 				xfer_len, dma ? ", dma" : "");  in musb_host_rx()
1574 	if (dma && (rx_csr & MUSB_RXCSR_DMAENAB)) {  in musb_host_rx()
1575 		xfer_len = dma->actual_len;  in musb_host_rx()
1605 			|| dma->actual_len < qh->maxpacket);  in musb_host_rx()
1640 		if (dma) {  in musb_host_rx()
1686 			dma->desired_mode = 0;  in musb_host_rx()
1696 				dma->desired_mode = 1;  in musb_host_rx()
1699 				dma->desired_mode = 0;  in musb_host_rx()
1725 			if (dma->desired_mode == 0)  in musb_host_rx()
1743 				dma, qh->maxpacket,  in musb_host_rx()
1744 				dma->desired_mode, buf, length);  in musb_host_rx()
1747 				c->channel_release(dma);  in musb_host_rx()
1749 				dma = NULL;  in musb_host_rx()
1759 		if (!dma) {  in musb_host_rx()
2136 		struct dma_channel	*dma;  local
2138 		dma = is_in ? ep->rx_channel : ep->tx_channel;
2139 		if (dma) {
2140 			status = ep->musb->dma_controller->channel_abort(dma);
2145 			urb->actual_length += dma->actual_len;