1 files changed, 12 insertions, 50 deletions

diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index e0ccdf362200..b244c7124179 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -484,7 +484,6 @@ ahd_linux_target_alloc(struct scsi_target *starget)
 	struct seeprom_config *sc = ahd->seep_config;
 	unsigned long flags;
 	struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget);
-	struct ahd_linux_target *targ = scsi_transport_target_data(starget);
 	struct ahd_devinfo devinfo;
 	struct ahd_initiator_tinfo *tinfo;
 	struct ahd_tmode_tstate *tstate;
@@ -495,7 +494,6 @@ ahd_linux_target_alloc(struct scsi_target *starget)
 	BUG_ON(*ahd_targp != NULL);
 
 	*ahd_targp = starget;
-	memset(targ, 0, sizeof(*targ));
 
 	if (sc) {
 		int flags = sc->device_flags[starget->id];
@@ -551,15 +549,11 @@ ahd_linux_slave_alloc(struct scsi_device *sdev)
 {
 	struct	ahd_softc *ahd =
 		*((struct ahd_softc **)sdev->host->hostdata);
-	struct scsi_target *starget = sdev->sdev_target;
-	struct ahd_linux_target *targ = scsi_transport_target_data(starget);
 	struct ahd_linux_device *dev;
 
 	if (bootverbose)
 		printf("%s: Slave Alloc %d\n", ahd_name(ahd), sdev->id);
 
-	BUG_ON(targ->sdev[sdev->lun] != NULL);
-
 	dev = scsi_transport_device_data(sdev);
 	memset(dev, 0, sizeof(*dev));
 
@@ -576,8 +570,6 @@ ahd_linux_slave_alloc(struct scsi_device *sdev)
 	 */
 	dev->maxtags = 0;
 	
-	targ->sdev[sdev->lun] = sdev;
-
 	return (0);
 }
 
@@ -599,23 +591,6 @@ ahd_linux_slave_configure(struct scsi_device *sdev)
 	return 0;
 }
 
-static void
-ahd_linux_slave_destroy(struct scsi_device *sdev)
-{
-	struct	ahd_softc *ahd;
-	struct	ahd_linux_device *dev = scsi_transport_device_data(sdev);
-	struct  ahd_linux_target *targ = scsi_transport_target_data(sdev->sdev_target);
-
-	ahd = *((struct ahd_softc **)sdev->host->hostdata);
-	if (bootverbose)
-		printf("%s: Slave Destroy %d\n", ahd_name(ahd), sdev->id);
-
-	BUG_ON(dev->active);
-
-	targ->sdev[sdev->lun] = NULL;
-
-}
-
 #if defined(__i386__)
 /*
  * Return the disk geometry for the given SCSI device.
@@ -822,7 +797,6 @@ struct scsi_host_template aic79xx_driver_template = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.slave_alloc		= ahd_linux_slave_alloc,
 	.slave_configure	= ahd_linux_slave_configure,
-	.slave_destroy		= ahd_linux_slave_destroy,
 	.target_alloc		= ahd_linux_target_alloc,
 	.target_destroy		= ahd_linux_target_destroy,
 };
@@ -1249,20 +1223,13 @@ void
 ahd_platform_free(struct ahd_softc *ahd)
 {
 	struct scsi_target *starget;
-	int i, j;
+	int i;
 
 	if (ahd->platform_data != NULL) {
 		/* destroy all of the device and target objects */
 		for (i = 0; i < AHD_NUM_TARGETS; i++) {
 			starget = ahd->platform_data->starget[i];
 			if (starget != NULL) {
-				for (j = 0; j < AHD_NUM_LUNS; j++) {
-					struct ahd_linux_target *targ =
-						scsi_transport_target_data(starget);
-					if (targ->sdev[j] == NULL)
-						continue;
-					targ->sdev[j] = NULL;
-				}
 				ahd->platform_data->starget[i] = NULL;
 			}
 		}
@@ -1318,20 +1285,13 @@ ahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb)
 }
 
 void
-ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
-		      ahd_queue_alg alg)
+ahd_platform_set_tags(struct ahd_softc *ahd, struct scsi_device *sdev,
+		      struct ahd_devinfo *devinfo, ahd_queue_alg alg)
 {
-	struct scsi_target *starget;
-	struct ahd_linux_target *targ;
 	struct ahd_linux_device *dev;
-	struct scsi_device *sdev;
 	int was_queuing;
 	int now_queuing;
 
-	starget = ahd->platform_data->starget[devinfo->target];
-	targ = scsi_transport_target_data(starget);
-	BUG_ON(targ == NULL);
-	sdev = targ->sdev[devinfo->lun];
 	if (sdev == NULL)
 		return;
 
@@ -1467,11 +1427,15 @@ ahd_linux_device_queue_depth(struct scsi_device *sdev)
 	tags = ahd_linux_user_tagdepth(ahd, &devinfo);
 	if (tags != 0 && sdev->tagged_supported != 0) {
 
-		ahd_set_tags(ahd, &devinfo, AHD_QUEUE_TAGGED);
+		ahd_platform_set_tags(ahd, sdev, &devinfo, AHD_QUEUE_TAGGED);
+		ahd_send_async(ahd, devinfo.channel, devinfo.target,
+			       devinfo.lun, AC_TRANSFER_NEG);
 		ahd_print_devinfo(ahd, &devinfo);
 		printf("Tagged Queuing enabled.  Depth %d\n", tags);
 	} else {
-		ahd_set_tags(ahd, &devinfo, AHD_QUEUE_NONE);
+		ahd_platform_set_tags(ahd, sdev, &devinfo, AHD_QUEUE_NONE);
+		ahd_send_async(ahd, devinfo.channel, devinfo.target,
+			       devinfo.lun, AC_TRANSFER_NEG);
 	}
 }
 
@@ -1629,7 +1593,7 @@ ahd_linux_isr(int irq, void *dev_id, struct pt_regs * regs)
 
 void
 ahd_send_async(struct ahd_softc *ahd, char channel,
-	       u_int target, u_int lun, ac_code code, void *arg)
+	       u_int target, u_int lun, ac_code code)
 {
 	switch (code) {
 	case AC_TRANSFER_NEG:
@@ -1956,7 +1920,7 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
 			}
 			ahd_set_transaction_status(scb, CAM_REQUEUE_REQ);
 			ahd_set_scsi_status(scb, SCSI_STATUS_OK);
-			ahd_platform_set_tags(ahd, &devinfo,
+			ahd_platform_set_tags(ahd, sdev, &devinfo,
 				     (dev->flags & AHD_DEV_Q_BASIC)
 				   ? AHD_QUEUE_BASIC : AHD_QUEUE_TAGGED);
 			break;
@@ -1966,7 +1930,7 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
 		 * as if the target returned BUSY SCSI status.
 		 */
 		dev->openings = 1;
-		ahd_platform_set_tags(ahd, &devinfo,
+		ahd_platform_set_tags(ahd, sdev, &devinfo,
 			     (dev->flags & AHD_DEV_Q_BASIC)
 			   ? AHD_QUEUE_BASIC : AHD_QUEUE_TAGGED);
 		ahd_set_scsi_status(scb, SCSI_STATUS_BUSY);
@@ -2778,8 +2742,6 @@ ahd_linux_init(void)
 	if (!ahd_linux_transport_template)
 		return -ENODEV;
 
-	scsi_transport_reserve_target(ahd_linux_transport_template,
-				      sizeof(struct ahd_linux_target));
 	scsi_transport_reserve_device(ahd_linux_transport_template,
 				      sizeof(struct ahd_linux_device));