383 	struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi->chip_select];  in omap2_mcspi_rx_callback()  local
388 	complete(&mcspi_dma->dma_rx_completion);  in omap2_mcspi_rx_callback()
395 	struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi->chip_select];  in omap2_mcspi_tx_callback()  local
400 	complete(&mcspi_dma->dma_tx_completion);  in omap2_mcspi_tx_callback()
408 	struct omap2_mcspi_dma  *mcspi_dma;  in omap2_mcspi_tx_dma()  local
412 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];  in omap2_mcspi_tx_dma()
414 	dmaengine_slave_config(mcspi_dma->dma_tx, &cfg);  in omap2_mcspi_tx_dma()
416 	tx = dmaengine_prep_slave_sg(mcspi_dma->dma_tx, xfer->tx_sg.sgl,  in omap2_mcspi_tx_dma()
427 	dma_async_issue_pending(mcspi_dma->dma_tx);  in omap2_mcspi_tx_dma()
437 	struct omap2_mcspi_dma  *mcspi_dma;  in omap2_mcspi_rx_dma()  local
450 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];  in omap2_mcspi_rx_dma()
472 	dmaengine_slave_config(mcspi_dma->dma_rx, &cfg);  in omap2_mcspi_rx_dma()
503 	tx = dmaengine_prep_slave_sg(mcspi_dma->dma_rx, sg_out[0],  in omap2_mcspi_rx_dma()
514 	dma_async_issue_pending(mcspi_dma->dma_rx);  in omap2_mcspi_rx_dma()
517 	ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_rx_completion);  in omap2_mcspi_rx_dma()
519 		dmaengine_terminate_sync(mcspi_dma->dma_rx);  in omap2_mcspi_rx_dma()
583 	struct omap2_mcspi_dma  *mcspi_dma;  in omap2_mcspi_txrx_dma()  local
595 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];  in omap2_mcspi_txrx_dma()
622 	reinit_completion(&mcspi_dma->dma_tx_completion);  in omap2_mcspi_txrx_dma()
623 	reinit_completion(&mcspi_dma->dma_rx_completion);  in omap2_mcspi_txrx_dma()
640 		ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_tx_completion);  in omap2_mcspi_txrx_dma()
642 			dmaengine_terminate_sync(mcspi_dma->dma_tx);  in omap2_mcspi_txrx_dma()
987 				   struct omap2_mcspi_dma *mcspi_dma)  in omap2_mcspi_request_dma()  argument
991 	mcspi_dma->dma_rx = dma_request_chan(mcspi->dev,  in omap2_mcspi_request_dma()
992 					     mcspi_dma->dma_rx_ch_name);  in omap2_mcspi_request_dma()
993 	if (IS_ERR(mcspi_dma->dma_rx)) {  in omap2_mcspi_request_dma()
994 		ret = PTR_ERR(mcspi_dma->dma_rx);  in omap2_mcspi_request_dma()
995 		mcspi_dma->dma_rx = NULL;  in omap2_mcspi_request_dma()
999 	mcspi_dma->dma_tx = dma_request_chan(mcspi->dev,  in omap2_mcspi_request_dma()
1000 					     mcspi_dma->dma_tx_ch_name);  in omap2_mcspi_request_dma()
1001 	if (IS_ERR(mcspi_dma->dma_tx)) {  in omap2_mcspi_request_dma()
1002 		ret = PTR_ERR(mcspi_dma->dma_tx);  in omap2_mcspi_request_dma()
1003 		mcspi_dma->dma_tx = NULL;  in omap2_mcspi_request_dma()
1004 		dma_release_channel(mcspi_dma->dma_rx);  in omap2_mcspi_request_dma()
1005 		mcspi_dma->dma_rx = NULL;  in omap2_mcspi_request_dma()
1008 	init_completion(&mcspi_dma->dma_rx_completion);  in omap2_mcspi_request_dma()
1009 	init_completion(&mcspi_dma->dma_tx_completion);  in omap2_mcspi_request_dma()
1018 	struct omap2_mcspi_dma	*mcspi_dma;  in omap2_mcspi_release_dma()  local
1022 		mcspi_dma = &mcspi->dma_channels[i];  in omap2_mcspi_release_dma()
1024 		if (mcspi_dma->dma_rx) {  in omap2_mcspi_release_dma()
1025 			dma_release_channel(mcspi_dma->dma_rx);  in omap2_mcspi_release_dma()
1026 			mcspi_dma->dma_rx = NULL;  in omap2_mcspi_release_dma()
1028 		if (mcspi_dma->dma_tx) {  in omap2_mcspi_release_dma()
1029 			dma_release_channel(mcspi_dma->dma_tx);  in omap2_mcspi_release_dma()
1030 			mcspi_dma->dma_tx = NULL;  in omap2_mcspi_release_dma()
1110 	struct omap2_mcspi_dma *mcspi_dma = mcspi->dma_channels;  in omap2_mcspi_slave_abort()  local
1113 	complete(&mcspi_dma->dma_rx_completion);  in omap2_mcspi_slave_abort()
1114 	complete(&mcspi_dma->dma_tx_completion);  in omap2_mcspi_slave_abort()
1133 	struct omap2_mcspi_dma		*mcspi_dma;  in omap2_mcspi_transfer_one()  local
1141 	mcspi_dma = mcspi->dma_channels + spi->chip_select;  in omap2_mcspi_transfer_one()
1199 		if ((mcspi_dma->dma_rx && mcspi_dma->dma_tx) &&  in omap2_mcspi_transfer_one()
1211 		if ((mcspi_dma->dma_rx && mcspi_dma->dma_tx) &&  in omap2_mcspi_transfer_one()
1287 	struct omap2_mcspi_dma *mcspi_dma =  in omap2_mcspi_can_dma()  local
1290 	if (!mcspi_dma->dma_rx || !mcspi_dma->dma_tx)  in omap2_mcspi_can_dma()
1296 	master->dma_rx = mcspi_dma->dma_rx;  in omap2_mcspi_can_dma()
1297 	master->dma_tx = mcspi_dma->dma_tx;  in omap2_mcspi_can_dma()
1305 	struct omap2_mcspi_dma *mcspi_dma =  in omap2_mcspi_max_xfer_size()  local
1308 	if (mcspi->max_xfer_len && mcspi_dma->dma_rx)  in omap2_mcspi_max_xfer_size()