[SCSI] aic7xxx: remove the last vestiges of the runq

This was rendered obsolete by the busyq removal; remove some of the last
remnants of its presence.

Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/aic7xxx/aic7xxx_osm.c

···
 		return (ENOMEM);
 	memset(ahc->platform_data, 0, sizeof(struct ahc_platform_data));
 	TAILQ_INIT(&ahc->platform_data->completeq);
-	TAILQ_INIT(&ahc->platform_data->device_runq);
 	ahc->platform_data->irq = AHC_LINUX_NOIRQ;
 	ahc_lockinit(ahc);
 	init_timer(&ahc->platform_data->completeq_timer);
···
 	    && dev->active == 0
 	    && (dev->flags & AHC_DEV_TIMER_ACTIVE) == 0)
 		ahc_linux_free_device(ahc, dev);
-	else if ((dev->flags & AHC_DEV_ON_RUN_LIST) == 0) {
-		TAILQ_INSERT_TAIL(&ahc->platform_data->device_runq, dev, links);
-		dev->flags |= AHC_DEV_ON_RUN_LIST;
-	}
 
 	if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
 		printf("Recovery SCB completes\n");

drivers/scsi/aic7xxx/aic7xxx_osm.h

···
 	AHC_DEV_UNCONFIGURED	 = 0x01,
 	AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
 	AHC_DEV_TIMER_ACTIVE	 = 0x04, /* Our timer is active */
-	AHC_DEV_ON_RUN_LIST	 = 0x08, /* Queued to be run later */
 	AHC_DEV_Q_BASIC		 = 0x10, /* Allow basic device queuing */
 	AHC_DEV_Q_TAGGED	 = 0x20, /* Allow full SCSI2 command queueing */
 	AHC_DEV_PERIODIC_OTAG	 = 0x40, /* Send OTAG to prevent starvation */
···
 	 * Fields accessed from interrupt context.
 	 */
 	struct ahc_linux_target *targets[AHC_NUM_TARGETS]; 
-	TAILQ_HEAD(, ahc_linux_device) device_runq;
 	struct ahc_completeq	 completeq;
 
 	spinlock_t		 spin_lock;