Name
struct nand_hw_control — 
  Control structure for hardware controller (e.g ECC generator) shared among independent devices
 
Synopsis
struct nand_hw_control {
  spinlock_t lock;
  struct nand_chip * active;
  wait_queue_head_t wq;
};  Members
- lock
- 
protection lock
       
- active
- 
the mtd device which holds the controller currently
       
- wq
- 
wait queue to sleep on if a NAND operation is in
progress used instead of the per chip wait queue
when a hw controller is available.