195 	struct dma_chan		*dma_chan;  member
400 	res = dma_map_sg(host->dma_chan->device->dev, &host->sgl, 1,  in lpc32xx_xmit_dma()
406 	desc = dmaengine_prep_slave_sg(host->dma_chan, &host->sgl, 1, dir,  in lpc32xx_xmit_dma()
418 	dma_async_issue_pending(host->dma_chan);  in lpc32xx_xmit_dma()
422 	dma_unmap_sg(host->dma_chan->device->dev, &host->sgl, 1,  in lpc32xx_xmit_dma()
426 	dma_unmap_sg(host->dma_chan->device->dev, &host->sgl, 1,  in lpc32xx_xmit_dma()
579 	host->dma_chan = dma_request_channel(mask, host->pdata->dma_filter,  in lpc32xx_dma_setup()
581 	if (!host->dma_chan) {  in lpc32xx_dma_setup()
600 	if (dmaengine_slave_config(host->dma_chan, &host->dma_slave_config)) {  in lpc32xx_dma_setup()
607 	dma_release_channel(host->dma_chan);  in lpc32xx_dma_setup()
801 		dma_release_channel(host->dma_chan);  in lpc32xx_nand_probe()
823 		dma_release_channel(host->dma_chan);  in lpc32xx_nand_remove()