staging: dgap: remove unused waitqueues

dgap_dl_wait and kme_wait are not used in dgap.

Signed-off-by: Daeseok Youn <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/dgap/dgap.c

···
 static struct board_t *dgap_board[MAXBOARDS];
 static ulong dgap_poll_counter;
 static int dgap_driver_state = DRIVER_INITIALIZED;
-static wait_queue_head_t dgap_dl_wait;
 static int dgap_poll_tick = 20;	/* Poll interval - 20 ms */
 
 static struct class *dgap_class;
···
 		dgap_board[i] = NULL;
 
 	init_timer(&dgap_poll_timer);
-
-	init_waitqueue_head(&dgap_dl_wait);
 }
 
 /************************************************************************
···
 
 static int dgap_alloc_flipbuf(struct board_t *brd)
 {
-	/*
-	 * Initialize KME waitqueues...
-	 */
-	init_waitqueue_head(&brd->kme_wait);
-
 	/*
 	 * allocate flip buffer for board.
 	 */

drivers/staging/dgap/dgap.h

···
 					/* by DPA                         */
 	u16		dpastatus;	/* The board "status", as defined */
 					/* by DPA                         */
-	wait_queue_head_t kme_wait;	/* Needed for DPA support         */
 
 	u32		conc_dl_status;	/* Status of any pending conc     */
 					/* download                       */