202 		descriptor = &ring->descriptors[ring->head];  in ring_write_descriptors()
247 		if (!(ring->descriptors[ring->tail].flags  in ring_work()
254 			frame->size = ring->descriptors[ring->tail].length;  in ring_work()
255 			frame->eof = ring->descriptors[ring->tail].eof;  in ring_work()
256 			frame->sof = ring->descriptors[ring->tail].sof;  in ring_work()
257 			frame->flags = ring->descriptors[ring->tail].flags;  in ring_work()
315 	if (ring->descriptors[ring->tail].flags & RING_DESC_COMPLETED) {  in tb_ring_poll()
321 			frame->size = ring->descriptors[ring->tail].length;  in tb_ring_poll()
322 			frame->eof = ring->descriptors[ring->tail].eof;  in tb_ring_poll()
323 			frame->sof = ring->descriptors[ring->tail].sof;  in tb_ring_poll()
324 			frame->flags = ring->descriptors[ring->tail].flags;  in tb_ring_poll()
525 	ring->descriptors = dma_alloc_coherent(&ring->nhi->pdev->dev,  in tb_ring_alloc()
526 			size * sizeof(*ring->descriptors),  in tb_ring_alloc()
528 	if (!ring->descriptors)  in tb_ring_alloc()
543 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_alloc()
544 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_alloc()
729 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_free()
730 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_free()
732 	ring->descriptors = NULL;  in tb_ring_free()