198 		descriptor = &ring->descriptors[ring->head];  in ring_write_descriptors()
243 		if (!(ring->descriptors[ring->tail].flags  in ring_work()
250 			frame->size = ring->descriptors[ring->tail].length;  in ring_work()
251 			frame->eof = ring->descriptors[ring->tail].eof;  in ring_work()
252 			frame->sof = ring->descriptors[ring->tail].sof;  in ring_work()
253 			frame->flags = ring->descriptors[ring->tail].flags;  in ring_work()
311 	if (ring->descriptors[ring->tail].flags & RING_DESC_COMPLETED) {  in tb_ring_poll()
317 			frame->size = ring->descriptors[ring->tail].length;  in tb_ring_poll()
318 			frame->eof = ring->descriptors[ring->tail].eof;  in tb_ring_poll()
319 			frame->sof = ring->descriptors[ring->tail].sof;  in tb_ring_poll()
320 			frame->flags = ring->descriptors[ring->tail].flags;  in tb_ring_poll()
528 	ring->descriptors = dma_alloc_coherent(&ring->nhi->pdev->dev,  in tb_ring_alloc()
529 			size * sizeof(*ring->descriptors),  in tb_ring_alloc()
531 	if (!ring->descriptors)  in tb_ring_alloc()
546 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_alloc()
547 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_alloc()
719 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_free()
720 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_free()
722 	ring->descriptors = NULL;  in tb_ring_free()