Lines Matching refs:dma_buffer
280 sg_copy_to_buffer(data->sg, data->sg_len, host->dma_buffer, len);
290 sg_copy_from_buffer(data->sg, data->sg_len, host->dma_buffer, len);
1373 host->dma_buffer = kmalloc(WBSD_DMA_SIZE,
1375 if (!host->dma_buffer)
1381 host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer,
1412 kfree(host->dma_buffer);
1413 host->dma_buffer = NULL;
1426 * host->dma_addr is valid here iff host->dma_buffer is not NULL.
1428 if (host->dma_buffer) {
1431 kfree(host->dma_buffer);
1437 host->dma_buffer = NULL;