Control structure for hardware controller (e.g ecc generator) shared among independent devices
struct nand_hw_control {
spinlock_t lock;
struct nand_chip * active;
wait_queue_head_t wq;
};
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.
Thomas Gleixner <[email protected]>
Author.