···420420 * payloads_dma:DMA address for payload buffer421421 * events: pointer to array of completions if waiting is allowed422422 * msgids: bitmap to keep track of used message ids423423- * lock: Spinlock to protect access to ring structurs used in the irq handler423423+ * lock: Spinlock to protect access to ring structures used in the irq handler424424 */425425struct bcm4377_transfer_ring {426426 enum bcm4377_transfer_ring_id ring_id;