unsigned char *sensebuf; /* sense data buffer */
dma_addr_t cr_dma; /* buffer DMA addresses */
dma_addr_t iobuf_dma;
+ struct task_struct *ctl_thread; /* the control thread */
/* mutual exclusion and synchronization structures */
struct semaphore sema; /* to sleep thread on */
struct completion notify; /* thread begin/end */
wait_queue_head_t delay_wait; /* wait during scan, reset */
+ struct completion scanning_done; /* wait for scan thread */
/* subdriver information */
void *extra; /* Any extra data */