152 	struct hci_rings_data *rings = hci->io_data;  in hci_dma_cleanup()  local
156 	if (!rings)  in hci_dma_cleanup()
159 	for (i = 0; i < rings->total; i++) {  in hci_dma_cleanup()
160 		rh = &rings->headers[i];  in hci_dma_cleanup()
189 	kfree(rings);  in hci_dma_cleanup()
195 	struct hci_rings_data *rings;  in hci_dma_init()  local
211 	rings = kzalloc(struct_size(rings, headers, nr_rings), GFP_KERNEL);  in hci_dma_init()
212 	if (!rings)  in hci_dma_init()
214 	hci->io_data = rings;  in hci_dma_init()
215 	rings->total = nr_rings;  in hci_dma_init()
217 	regval = FIELD_PREP(MAX_HEADER_COUNT, rings->total);  in hci_dma_init()
220 	for (i = 0; i < rings->total; i++) {  in hci_dma_init()
227 		rh = &rings->headers[i];  in hci_dma_init()
361 	struct hci_rings_data *rings = hci->io_data;  in hci_dma_queue_xfer()  local
369 	rh = &rings->headers[ring];  in hci_dma_queue_xfer()
448 	struct hci_rings_data *rings = hci->io_data;  in hci_dma_dequeue_xfer()  local
449 	struct hci_rh_data *rh = &rings->headers[xfer_list[0].ring_number];  in hci_dma_dequeue_xfer()
738 	struct hci_rings_data *rings = hci->io_data;  in hci_dma_irq_handler()  local
742 	for (i = 0; mask && i < rings->total; i++) {  in hci_dma_irq_handler()
750 		rh = &rings->headers[i];  in hci_dma_irq_handler()