247 		descriptor = &ring->descriptors[ring->head];  in ring_write_descriptors()
292 		if (!(ring->descriptors[ring->tail].flags  in ring_work()
299 			frame->size = ring->descriptors[ring->tail].length;  in ring_work()
300 			frame->eof = ring->descriptors[ring->tail].eof;  in ring_work()
301 			frame->sof = ring->descriptors[ring->tail].sof;  in ring_work()
302 			frame->flags = ring->descriptors[ring->tail].flags;  in ring_work()
360 	if (ring->descriptors[ring->tail].flags & RING_DESC_COMPLETED) {  in tb_ring_poll()
366 			frame->size = ring->descriptors[ring->tail].length;  in tb_ring_poll()
367 			frame->eof = ring->descriptors[ring->tail].eof;  in tb_ring_poll()
368 			frame->sof = ring->descriptors[ring->tail].sof;  in tb_ring_poll()
369 			frame->flags = ring->descriptors[ring->tail].flags;  in tb_ring_poll()
610 	ring->descriptors = dma_alloc_coherent(&ring->nhi->pdev->dev,  in tb_ring_alloc()
611 			size * sizeof(*ring->descriptors),  in tb_ring_alloc()
613 	if (!ring->descriptors)  in tb_ring_alloc()
628 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_alloc()
629 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_alloc()
830 			  ring->size * sizeof(*ring->descriptors),  in tb_ring_free()
831 			  ring->descriptors, ring->descriptors_dma);  in tb_ring_free()
833 	ring->descriptors = NULL;  in tb_ring_free()