* @dma_base: MMIO register space DMA engine base pointer
* @ch_id: DMA channel id
* @lock: channel spinlock
- * @completed: DMA cookie
* @active_list: current active descriptors
* @queue: current queued up descriptors
* @free_list: current free descriptors
void __iomem *dma_base;
int ch_id;
spinlock_t lock;
- dma_cookie_t completed;
struct list_head active_list;
struct list_head queue;
struct list_head free_list;