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));