Lines Matching defs:dma
35 #include <linux/dma-mapping.h>
222 dma_addr_t dma;
245 dma_addr_t dma;
259 unsigned int dmacr; /* dma control reg */
375 &db->dma, GFP_KERNEL);
388 PL011_DMA_BUFFER_SIZE, db->buf, db->dma);
549 dma_unmap_single(dmatx->chan->device->dev, dmatx->dma,
637 dmatx->dma = dma_map_single(dma_dev->dev, dmatx->buf, count,
639 if (dmatx->dma == DMA_MAPPING_ERROR) {
645 desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV,
648 dma_unmap_single(dma_dev->dev, dmatx->dma, dmatx->len, DMA_TO_DEVICE);
811 dma_unmap_single(uap->dmatx.chan->device->dev, uap->dmatx.dma,
834 desc = dmaengine_prep_slave_single(rxchan, dbuf->dma, dbuf->len,
1053 * Every polling, It checks the residue in the dma buffer and transfer
1157 * ST Micro variants has some specific dma burst threshold
1199 uap->dmatx.dma, uap->dmatx.len,