drivers/spi/spi-omap2-mcspi.c

395 	struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi_get_chipselect(spi, 0)];
400 	complete(&mcspi_dma->dma_rx_completion);
407 	struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi_get_chipselect(spi, 0)];
412 	complete(&mcspi_dma->dma_tx_completion);
420 	struct omap2_mcspi_dma  *mcspi_dma;
424 	mcspi_dma = &mcspi->dma_channels[spi_get_chipselect(spi, 0)];
426 	dmaengine_slave_config(mcspi_dma->dma_tx, &cfg);
428 	tx = dmaengine_prep_slave_sg(mcspi_dma->dma_tx, xfer->tx_sg.sgl,
439 	dma_async_issue_pending(mcspi_dma->dma_tx);
449 	struct omap2_mcspi_dma  *mcspi_dma;
462 	mcspi_dma = &mcspi->dma_channels[spi_get_chipselect(spi, 0)];
484 	dmaengine_slave_config(mcspi_dma->dma_rx, &cfg);
515 	tx = dmaengine_prep_slave_sg(mcspi_dma->dma_rx, sg_out[0],
526 	dma_async_issue_pending(mcspi_dma->dma_rx);
529 	ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_rx_completion);
531 		dmaengine_terminate_sync(mcspi_dma->dma_rx);
595 	struct omap2_mcspi_dma  *mcspi_dma;
607 	mcspi_dma = &mcspi->dma_channels[spi_get_chipselect(spi, 0)];
634 	reinit_completion(&mcspi_dma->dma_tx_completion);
635 	reinit_completion(&mcspi_dma->dma_rx_completion);
652 		ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_tx_completion);
654 			dmaengine_terminate_sync(mcspi_dma->dma_tx);
1006 				   struct omap2_mcspi_dma *mcspi_dma)
1010 	mcspi_dma->dma_rx = dma_request_chan(mcspi->dev,
1011 					     mcspi_dma->dma_rx_ch_name);
1012 	if (IS_ERR(mcspi_dma->dma_rx)) {
1013 		ret = PTR_ERR(mcspi_dma->dma_rx);
1014 		mcspi_dma->dma_rx = NULL;
1018 	mcspi_dma->dma_tx = dma_request_chan(mcspi->dev,
1019 					     mcspi_dma->dma_tx_ch_name);
1020 	if (IS_ERR(mcspi_dma->dma_tx)) {
1021 		ret = PTR_ERR(mcspi_dma->dma_tx);
1022 		mcspi_dma->dma_tx = NULL;
1023 		dma_release_channel(mcspi_dma->dma_rx);
1024 		mcspi_dma->dma_rx = NULL;
1027 	init_completion(&mcspi_dma->dma_rx_completion);
1028 	init_completion(&mcspi_dma->dma_tx_completion);
1037 	struct omap2_mcspi_dma	*mcspi_dma;
1041 		mcspi_dma = &mcspi->dma_channels[i];
1043 		if (mcspi_dma->dma_rx) {
1044 			dma_release_channel(mcspi_dma->dma_rx);
1045 			mcspi_dma->dma_rx = NULL;
1047 		if (mcspi_dma->dma_tx) {
1048 			dma_release_channel(mcspi_dma->dma_tx);
1049 			mcspi_dma->dma_tx = NULL;
1128 	struct omap2_mcspi_dma *mcspi_dma = mcspi->dma_channels;
1131 	complete(&mcspi_dma->dma_rx_completion);
1132 	complete(&mcspi_dma->dma_tx_completion);
1151 	struct omap2_mcspi_dma		*mcspi_dma;
1159 	mcspi_dma = mcspi->dma_channels + spi_get_chipselect(spi, 0);
1210 		if ((mcspi_dma->dma_rx && mcspi_dma->dma_tx) &&
1222 		if ((mcspi_dma->dma_rx && mcspi_dma->dma_tx) &&
1347 	struct omap2_mcspi_dma *mcspi_dma =
1350 	if (!mcspi_dma->dma_rx || !mcspi_dma->dma_tx)
1356 	ctlr->dma_rx = mcspi_dma->dma_rx;
1357 	ctlr->dma_tx = mcspi_dma->dma_tx;
1365 	struct omap2_mcspi_dma *mcspi_dma =
1368 	if (mcspi->max_xfer_len && mcspi_dma->dma_rx)