Lines Matching refs:descriptors
349 if (ring->descriptors) {
353 ring->descriptors,
356 ring->descriptors = NULL;
367 ring->descriptors =
371 if (!ring->descriptors) {
378 ring->descriptors[i].count = cpu_to_le32(PAGE_SIZE);
379 ring->descriptors[i].addr =
381 ring->descriptors[i].next =
386 ring->descriptors[n_links - 1].next =
389 * barrier is meant to insure that all the writes to the dma descriptors