Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/asm-powerpc/unistd.h
	include/asm-sparc/unistd.h
	include/asm-sparc64/unistd.h

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

24 files changed, 386 insertions, 299 deletions

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index cb30d9c1153..0c9c2f400bf 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -219,6 +219,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		ahc->flags |= AHC_39BIT_ADDRESSING;
 	} else {
 		if (dma_set_mask(dev, DMA_32BIT_MASK)) {
+			ahc_free(ahc);
 			printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
                 	return (-ENODEV);
 		}
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index 5f586140e05..3adecef2178 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -2036,12 +2036,12 @@ ahc_pci_resume(struct ahc_softc *ahc)
 	 * that the OS doesn't know about and rely on our chip
 	 * reset handler to handle the rest.
 	 */
-	ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4,
-			     ahc->bus_softc.pci_softc.devconfig);
-	ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1,
-			     ahc->bus_softc.pci_softc.command);
-	ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1,
-			     ahc->bus_softc.pci_softc.csize_lattime);
+	ahc_pci_write_config(ahc->dev_softc, DEVCONFIG,
+			     ahc->bus_softc.pci_softc.devconfig, /*bytes*/4);
+	ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND,
+			     ahc->bus_softc.pci_softc.command, /*bytes*/1);
+	ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME,
+			     ahc->bus_softc.pci_softc.csize_lattime, /*bytes*/1);
 	if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) {
 		struct	seeprom_descriptor sd;
 		u_int	sxfrctl1;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 0a8ad37ae89..2e9be83a697 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -739,7 +739,8 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 {
 	struct viosrp_adapter_info *req;
 	struct srp_event_struct *evt_struct;
-	
+	dma_addr_t addr;
+
 	evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
 		printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
@@ -757,10 +758,10 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 	
 	req->common.type = VIOSRP_ADAPTER_INFO_TYPE;
 	req->common.length = sizeof(hostdata->madapter_info);
-	req->buffer = dma_map_single(hostdata->dev,
-				     &hostdata->madapter_info,
-				     sizeof(hostdata->madapter_info),
-				     DMA_BIDIRECTIONAL);
+	req->buffer = addr = dma_map_single(hostdata->dev,
+					    &hostdata->madapter_info,
+					    sizeof(hostdata->madapter_info),
+					    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(req->buffer)) {
 		printk(KERN_ERR
@@ -770,8 +771,13 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 		return;
 	}
 	
-	if (ibmvscsi_send_srp_event(evt_struct, hostdata))
+	if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
 		printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+		dma_unmap_single(hostdata->dev,
+				 addr,
+				 sizeof(hostdata->madapter_info),
+				 DMA_BIDIRECTIONAL);
+	}
 };
 
 /**
@@ -1259,6 +1265,7 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 {
 	struct viosrp_host_config *host_config;
 	struct srp_event_struct *evt_struct;
+	dma_addr_t addr;
 	int rc;
 
 	evt_struct = get_event_struct(&hostdata->pool);
@@ -1279,8 +1286,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 	memset(host_config, 0x00, sizeof(*host_config));
 	host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
 	host_config->common.length = length;
-	host_config->buffer = dma_map_single(hostdata->dev, buffer, length,
-					    DMA_BIDIRECTIONAL);
+	host_config->buffer = addr = dma_map_single(hostdata->dev, buffer,
+						    length,
+						    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(host_config->buffer)) {
 		printk(KERN_ERR
@@ -1291,11 +1299,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
 	init_completion(&evt_struct->comp);
 	rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
-	if (rc == 0) {
+	if (rc == 0)
 		wait_for_completion(&evt_struct->comp);
-		dma_unmap_single(hostdata->dev, host_config->buffer,
-				 length, DMA_BIDIRECTIONAL);
-	}
+	dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL);
 
 	return rc;
 }
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index bd147207f25..823dfa78c0b 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -864,6 +864,9 @@ static unsigned int ata_id_xfermask(const u16 *id)
 /**
  *	ata_port_queue_task - Queue port_task
  *	@ap: The ata_port to queue port_task for
+ *	@fn: workqueue function to be scheduled
+ *	@data: data value to pass to workqueue function
+ *	@delay: delay time for workqueue function
  *
  *	Schedule @fn(@data) for execution after @delay jiffies using
  *	port_task.  There is one port_task per port and it's the
@@ -2739,6 +2742,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap,
  *	ata_dev_init_params - Issue INIT DEV PARAMS command
  *	@ap: Port associated with device @dev
  *	@dev: Device to which command will be sent
+ *	@heads: Number of heads (taskfile parameter)
+ *	@sectors: Number of sectors (taskfile parameter)
  *
  *	LOCKING:
  *	Kernel thread context (may sleep)
@@ -4302,6 +4307,7 @@ int ata_device_resume(struct ata_port *ap, struct ata_device *dev)
  *	ata_device_suspend - prepare a device for suspend
  *	@ap: port the device is connected to
  *	@dev: the device to suspend
+ *	@state: target power management state
  *
  *	Flush the cache on the drive, if appropriate, then issue a
  *	standbynow command.
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index fad607b2e6f..ee22173fce4 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -27,7 +27,6 @@ void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-void lpfc_set_slim(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
 		   uint32_t);
 void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 8932b1be2b6..41cf5d3ea6c 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -113,6 +113,7 @@ struct lpfc_nodelist {
 #define NLP_NPR_ADISC      0x2000000	/* Issue ADISC when dq'ed from
 					   NPR list */
 #define NLP_DELAY_REMOVE   0x4000000	/* Defer removal till end of DSM */
+#define NLP_NODEV_REMOVE   0x8000000	/* Defer removal till discovery ends */
 
 /* Defines for list searchs */
 #define NLP_SEARCH_MAPPED    0x1	/* search mapped */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4813beaaca8..283b7d824c3 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -302,10 +302,6 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
 	if (lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0))
 		goto fail_free_mbox;
 
-	/*
-	 * set_slim mailbox command needs to execute first,
-	 * queue this command to be processed later.
-	 */
 	mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
 	mbox->context2 = ndlp;
 
@@ -781,25 +777,26 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 	if (disc && phba->num_disc_nodes) {
 		/* Check to see if there are more PLOGIs to be sent */
 		lpfc_more_plogi(phba);
-	}
 
-	if (phba->num_disc_nodes == 0) {
-		spin_lock_irq(phba->host->host_lock);
-		phba->fc_flag &= ~FC_NDISC_ACTIVE;
-		spin_unlock_irq(phba->host->host_lock);
+		if (phba->num_disc_nodes == 0) {
+			spin_lock_irq(phba->host->host_lock);
+			phba->fc_flag &= ~FC_NDISC_ACTIVE;
+			spin_unlock_irq(phba->host->host_lock);
 
-		lpfc_can_disctmo(phba);
-		if (phba->fc_flag & FC_RSCN_MODE) {
-			/* Check to see if more RSCNs came in while we were
-			 * processing this one.
-			 */
-			if ((phba->fc_rscn_id_cnt == 0) &&
-			    (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-				spin_lock_irq(phba->host->host_lock);
-				phba->fc_flag &= ~FC_RSCN_MODE;
-				spin_unlock_irq(phba->host->host_lock);
-			} else {
-				lpfc_els_handle_rscn(phba);
+			lpfc_can_disctmo(phba);
+			if (phba->fc_flag & FC_RSCN_MODE) {
+				/*
+				 * Check to see if more RSCNs came in while
+				 * we were processing this one.
+				 */
+				if ((phba->fc_rscn_id_cnt == 0) &&
+			    	(!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
+					spin_lock_irq(phba->host->host_lock);
+					phba->fc_flag &= ~FC_RSCN_MODE;
+					spin_unlock_irq(phba->host->host_lock);
+				} else {
+					lpfc_els_handle_rscn(phba);
+				}
 			}
 		}
 	}
@@ -1263,7 +1260,7 @@ lpfc_issue_els_logo(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
 	psli = &phba->sli;
 	pring = &psli->ring[LPFC_ELS_RING];
 
-	cmdsize = 2 * (sizeof (uint32_t) + sizeof (struct lpfc_name));
+	cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name);
 	elsiocb = lpfc_prep_els_iocb(phba, 1, cmdsize, retry, ndlp,
 						ndlp->nlp_DID, ELS_CMD_LOGO);
 	if (!elsiocb)
@@ -1451,22 +1448,23 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_hba *phba, struct lpfc_nodelist * nlp)
 			 * PLOGIs to be sent
 			 */
 			lpfc_more_plogi(phba);
-		}
 
-		if (phba->num_disc_nodes == 0) {
-			phba->fc_flag &= ~FC_NDISC_ACTIVE;
-			lpfc_can_disctmo(phba);
-			if (phba->fc_flag & FC_RSCN_MODE) {
-				/* Check to see if more RSCNs
-				 * came in while we were
-				 * processing this one.
-				 */
-				if((phba->fc_rscn_id_cnt==0) &&
-				   (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
-					phba->fc_flag &= ~FC_RSCN_MODE;
-				}
-				else {
-					lpfc_els_handle_rscn(phba);
+			if (phba->num_disc_nodes == 0) {
+				phba->fc_flag &= ~FC_NDISC_ACTIVE;
+				lpfc_can_disctmo(phba);
+				if (phba->fc_flag & FC_RSCN_MODE) {
+					/*
+					 * Check to see if more RSCNs
+					 * came in while we were
+					 * processing this one.
+					 */
+					if((phba->fc_rscn_id_cnt==0) &&
+					 !(phba->fc_flag & FC_RSCN_DISCOVERY)) {
+						phba->fc_flag &= ~FC_RSCN_MODE;
+					}
+					else {
+						lpfc_els_handle_rscn(phba);
+					}
 				}
 			}
 		}
@@ -1872,9 +1870,6 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 	if (mbox) {
 		if ((rspiocb->iocb.ulpStatus == 0)
 		    && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
-			/* set_slim mailbox command needs to execute first,
-			 * queue this command to be processed later.
-			 */
 			lpfc_unreg_rpi(phba, ndlp);
 			mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login;
 			mbox->context2 = ndlp;
@@ -1920,6 +1915,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
 	uint8_t *pcmd;
 	uint16_t cmdsize;
 	int rc;
+	ELS_PKT *els_pkt_ptr;
 
 	psli = &phba->sli;
 	pring = &psli->ring[LPFC_ELS_RING];	/* ELS ring */
@@ -1958,6 +1954,23 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, uint32_t flag,
 		pcmd += sizeof (uint32_t);
 		memcpy(pcmd, &phba->fc_sparam, sizeof (struct serv_parm));
 		break;
+	case ELS_CMD_PRLO:
+		cmdsize = sizeof (uint32_t) + sizeof (PRLO);
+		elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry,
+					     ndlp, ndlp->nlp_DID, ELS_CMD_PRLO);
+		if (!elsiocb)
+			return 1;
+
+		icmd = &elsiocb->iocb;
+		icmd->ulpContext = oldcmd->ulpContext; /* Xri */
+		pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+
+		memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt,
+		       sizeof (uint32_t) + sizeof (PRLO));
+		*((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC;
+		els_pkt_ptr = (ELS_PKT *) pcmd;
+		els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED;
+		break;
 	default:
 		return 1;
 	}
@@ -2498,7 +2511,7 @@ lpfc_els_rcv_rscn(struct lpfc_hba * phba,
 	/* If we are about to begin discovery, just ACC the RSCN.
 	 * Discovery processing will satisfy it.
 	 */
-	if (phba->hba_state < LPFC_NS_QRY) {
+	if (phba->hba_state <= LPFC_NS_QRY) {
 		lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL,
 								newnode);
 		return 0;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 6721e679df6..adb086009ae 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -311,8 +311,8 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
 	evtp->evt_arg2  = arg2;
 	evtp->evt       = evt;
 
-	list_add_tail(&evtp->evt_listp, &phba->work_list);
 	spin_lock_irq(phba->host->host_lock);
+	list_add_tail(&evtp->evt_listp, &phba->work_list);
 	if (phba->work_wait)
 		wake_up(phba->work_wait);
 	spin_unlock_irq(phba->host->host_lock);
@@ -1071,10 +1071,6 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
 	/* initialize static port data */
 	rport->maxframe_size = ndlp->nlp_maxframe;
 	rport->supported_classes = ndlp->nlp_class_sup;
-	if ((rport->scsi_target_id != -1) &&
-		(rport->scsi_target_id < MAX_FCP_TARGET)) {
-		ndlp->nlp_sid = rport->scsi_target_id;
-	}
 	rdata = rport->dd_data;
 	rdata->pnode = ndlp;
 
@@ -1087,6 +1083,10 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
 	if (rport_ids.roles !=  FC_RPORT_ROLE_UNKNOWN)
 		fc_remote_port_rolechg(rport, rport_ids.roles);
 
+	if ((rport->scsi_target_id != -1) &&
+		(rport->scsi_target_id < MAX_FCP_TARGET)) {
+		ndlp->nlp_sid = rport->scsi_target_id;
+	}
 
 	return;
 }
@@ -1238,6 +1238,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
 						evt_listp);
 
 		}
+		nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
 		nlp->nlp_type |= NLP_FC_NODE;
 		break;
 	case NLP_MAPPED_LIST:
@@ -1258,6 +1259,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
 						evt_listp);
 
 		}
+		nlp->nlp_flag &= ~NLP_NODEV_REMOVE;
 		break;
 	case NLP_NPR_LIST:
 		nlp->nlp_flag |= list;
@@ -1402,6 +1404,8 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
 			if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
 				return 1;
 		case CMD_ELS_REQUEST64_CR:
+			if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
+				return 1;
 		case CMD_XMIT_ELS_RSP64_CX:
 			if (iocb->context1 == (uint8_t *) ndlp)
 				return 1;
@@ -1901,10 +1905,8 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
 			 */
 			if (ndlp->nlp_flag & NLP_DELAY_TMO)
 				lpfc_cancel_retry_delay_tmo(phba, ndlp);
-		} else {
-			ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+		} else
 			ndlp = NULL;
-		}
 	} else {
 		flg = ndlp->nlp_flag & NLP_LIST_MASK;
 		if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 54d04188f7c..eedf9880136 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -449,6 +449,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12000000
 #define ELS_CMD_PRLI      0x20100014
 #define ELS_CMD_PRLO      0x21100014
+#define ELS_CMD_PRLO_ACC  0x02100014
 #define ELS_CMD_PDISC     0x50000000
 #define ELS_CMD_FDISC     0x51000000
 #define ELS_CMD_ADISC     0x52000000
@@ -484,6 +485,7 @@ struct serv_parm {	/* Structure is in Big Endian format */
 #define ELS_CMD_RRQ       0x12
 #define ELS_CMD_PRLI      0x14001020
 #define ELS_CMD_PRLO      0x14001021
+#define ELS_CMD_PRLO_ACC  0x14001002
 #define ELS_CMD_PDISC     0x50
 #define ELS_CMD_FDISC     0x51
 #define ELS_CMD_ADISC     0x52
@@ -1539,6 +1541,7 @@ typedef struct {
 
 #define FLAGS_TOPOLOGY_FAILOVER      0x0400	/* Bit 10 */
 #define FLAGS_LINK_SPEED             0x0800	/* Bit 11 */
+#define FLAGS_IMED_ABORT             0x04000	/* Bit 14 */
 
 	uint32_t link_speed;
 #define LINK_SPEED_AUTO 0       /* Auto selection */
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 66d5d003555..908d0f27706 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -294,15 +294,6 @@ lpfc_config_port_post(struct lpfc_hba * phba)
 		}
 	}
 
-	/* This should turn on DELAYED ABTS for ELS timeouts */
-	lpfc_set_slim(phba, pmb, 0x052198, 0x1);
-	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
-		phba->hba_state = LPFC_HBA_ERROR;
-		mempool_free( pmb, phba->mbox_mem_pool);
-		return -EIO;
-	}
-
-
 	lpfc_read_config(phba, pmb);
 	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 		lpfc_printf_log(phba,
@@ -804,7 +795,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp)
 		int    max_speed;
 		char * ports;
 		char * bus;
-	} m;
+	} m = {"<Unknown>", 0, "", ""};
 
 	pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
 	ports = (hdrtype == 0x80) ? "2-port " : "";
@@ -1627,7 +1618,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 
 	error = lpfc_alloc_sysfs_attr(phba);
 	if (error)
-		goto out_kthread_stop;
+		goto out_remove_host;
 
 	error =	request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
 							LPFC_DRIVER_NAME, phba);
@@ -1644,8 +1635,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
 
 	error = lpfc_sli_hba_setup(phba);
-	if (error)
+	if (error) {
+		error = -ENODEV;
 		goto out_free_irq;
+	}
 
 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
 		spin_lock_irq(phba->host->host_lock);
@@ -1700,6 +1693,9 @@ out_free_irq:
 	free_irq(phba->pcidev->irq, phba);
 out_free_sysfs_attr:
 	lpfc_free_sysfs_attr(phba);
+out_remove_host:
+	fc_remove_host(phba->host);
+	scsi_remove_host(phba->host);
 out_kthread_stop:
 	kthread_stop(phba->worker_thread);
 out_free_iocbq:
@@ -1721,12 +1717,14 @@ out_iounmap_slim:
 out_idr_remove:
 	idr_remove(&lpfc_hba_index, phba->brd_no);
 out_put_host:
+	phba->host = NULL;
 	scsi_host_put(host);
 out_release_regions:
 	pci_release_regions(pdev);
 out_disable_device:
 	pci_disable_device(pdev);
 out:
+	pci_set_drvdata(pdev, NULL);
 	return error;
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index c585e2b2e58..e42f22aaf71 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -200,6 +200,9 @@ lpfc_init_link(struct lpfc_hba * phba,
 		break;
 	}
 
+	/* Enable asynchronous ABTS responses from firmware */
+	mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT;
+
 	/* NEW_FEATURE
 	 * Setting up the link speed
 	 */
@@ -292,36 +295,6 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint32_t did, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/***********************************************/
-
-/*                  command to write slim      */
-/***********************************************/
-void
-lpfc_set_slim(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t addr,
-	      uint32_t value)
-{
-	MAILBOX_t *mb;
-
-	mb = &pmb->mb;
-	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
-
-	/* addr = 0x090597 is AUTO ABTS disable for ELS commands */
-	/* addr = 0x052198 is DELAYED ABTS enable for ELS commands */
-
-	/*
-	 * Always turn on DELAYED ABTS for ELS timeouts
-	 */
-	if ((addr == 0x052198) && (value == 0))
-		value = 1;
-
-	mb->un.varWords[0] = addr;
-	mb->un.varWords[1] = value;
-
-	mb->mbxCommand = MBX_SET_SLIM;
-	mb->mbxOwner = OWN_HOST;
-	return;
-}
-
 /**********************************************/
 /*  lpfc_read_nv  Issue a READ CONFIG         */
 /*                mailbox command             */
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 3d77bd999b7..27d60ad897c 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -465,14 +465,18 @@ lpfc_rcv_padisc(struct lpfc_hba * phba,
 static int
 lpfc_rcv_logo(struct lpfc_hba * phba,
 		      struct lpfc_nodelist * ndlp,
-		      struct lpfc_iocbq *cmdiocb)
+		      struct lpfc_iocbq *cmdiocb,
+		      uint32_t els_cmd)
 {
 	/* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */
 	/* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
 	 * PLOGIs during LOGO storms from a device.
 	 */
 	ndlp->nlp_flag |= NLP_LOGO_ACC;
-	lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+	if (els_cmd == ELS_CMD_PRLO)
+		lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
+	else
+		lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
 
 	if (!(ndlp->nlp_type & NLP_FABRIC) ||
 		(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
@@ -681,7 +685,7 @@ lpfc_rcv_logo_plogi_issue(struct lpfc_hba * phba,
 	/* software abort outstanding PLOGI */
 	lpfc_els_abort(phba, ndlp, 1);
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -788,10 +792,6 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba,
 	if (lpfc_reg_login
 	    (phba, irsp->un.elsreq64.remoteID,
 	     (uint8_t *) sp, mbox, 0) == 0) {
-		/* set_slim mailbox command needs to
-		 * execute first, queue this command to
-		 * be processed later.
-		 */
 		switch (ndlp->nlp_DID) {
 		case NameServer_DID:
 			mbox->mbox_cmpl =
@@ -832,11 +832,17 @@ static uint32_t
 lpfc_device_rm_plogi_issue(struct lpfc_hba * phba,
 			   struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-	/* software abort outstanding PLOGI */
-	lpfc_els_abort(phba, ndlp, 1);
+	if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+		ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+		return ndlp->nlp_state;
+	}
+	else {
+		/* software abort outstanding PLOGI */
+		lpfc_els_abort(phba, ndlp, 1);
 
-	lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-	return NLP_STE_FREED_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 }
 
 static uint32_t
@@ -851,7 +857,7 @@ lpfc_device_recov_plogi_issue(struct lpfc_hba * phba,
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	spin_unlock_irq(phba->host->host_lock);
 
 	return ndlp->nlp_state;
@@ -905,7 +911,7 @@ lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba,
 	/* software abort outstanding ADISC */
 	lpfc_els_abort(phba, ndlp, 0);
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -932,7 +938,7 @@ lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba,
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
 	/* Treat like rcv logo */
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
 	return ndlp->nlp_state;
 }
 
@@ -987,11 +993,17 @@ lpfc_device_rm_adisc_issue(struct lpfc_hba * phba,
 			    struct lpfc_nodelist * ndlp, void *arg,
 			    uint32_t evt)
 {
-	/* software abort outstanding ADISC */
-	lpfc_els_abort(phba, ndlp, 1);
+	if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+		ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+		return ndlp->nlp_state;
+	}
+	else {
+		/* software abort outstanding ADISC */
+		lpfc_els_abort(phba, ndlp, 1);
 
-	lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-	return NLP_STE_FREED_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 }
 
 static uint32_t
@@ -1006,7 +1018,7 @@ lpfc_device_recov_adisc_issue(struct lpfc_hba * phba,
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	ndlp->nlp_flag |= NLP_NPR_ADISC;
 	spin_unlock_irq(phba->host->host_lock);
 
@@ -1048,7 +1060,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba,
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -1073,7 +1085,7 @@ lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba,
 	struct lpfc_iocbq *cmdiocb;
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
-	lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+	lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
 	return ndlp->nlp_state;
 }
 
@@ -1133,8 +1145,14 @@ lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba,
 			      struct lpfc_nodelist * ndlp, void *arg,
 			      uint32_t evt)
 {
-	lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-	return NLP_STE_FREED_NODE;
+	if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+		ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+		return ndlp->nlp_state;
+	}
+	else {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 }
 
 static uint32_t
@@ -1146,7 +1164,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba,
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	spin_unlock_irq(phba->host->host_lock);
 	return ndlp->nlp_state;
 }
@@ -1186,7 +1204,7 @@ lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba,
 	/* Software abort outstanding PRLI before sending acc */
 	lpfc_els_abort(phba, ndlp, 1);
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -1214,7 +1232,7 @@ lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba,
 	struct lpfc_iocbq *cmdiocb;
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
-	lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+	lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
 	return ndlp->nlp_state;
 }
 
@@ -1278,11 +1296,17 @@ static uint32_t
 lpfc_device_rm_prli_issue(struct lpfc_hba * phba,
 			  struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
-	/* software abort outstanding PRLI */
-	lpfc_els_abort(phba, ndlp, 1);
+	if(ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+		ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+		return ndlp->nlp_state;
+	}
+	else {
+		/* software abort outstanding PLOGI */
+		lpfc_els_abort(phba, ndlp, 1);
 
-	lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-	return NLP_STE_FREED_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 }
 
 
@@ -1313,7 +1337,7 @@ lpfc_device_recov_prli_issue(struct lpfc_hba * phba,
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	spin_unlock_irq(phba->host->host_lock);
 	return ndlp->nlp_state;
 }
@@ -1351,7 +1375,7 @@ lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba,
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -1375,7 +1399,7 @@ lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba,
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
-	lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0);
+	lpfc_els_rsp_acc(phba, ELS_CMD_PRLO, cmdiocb, ndlp, NULL, 0);
 	return ndlp->nlp_state;
 }
 
@@ -1386,7 +1410,7 @@ lpfc_device_recov_unmap_node(struct lpfc_hba * phba,
 	ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE;
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	lpfc_disc_set_adisc(phba, ndlp);
 
 	return ndlp->nlp_state;
@@ -1424,7 +1448,7 @@ lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba,
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -1456,7 +1480,7 @@ lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba,
 	spin_unlock_irq(phba->host->host_lock);
 
 	/* Treat like rcv logo */
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_PRLO);
 	return ndlp->nlp_state;
 }
 
@@ -1469,7 +1493,7 @@ lpfc_device_recov_mapped_node(struct lpfc_hba * phba,
 	ndlp->nlp_state = NLP_STE_NPR_NODE;
 	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	spin_unlock_irq(phba->host->host_lock);
 	lpfc_disc_set_adisc(phba, ndlp);
 	return ndlp->nlp_state;
@@ -1551,7 +1575,7 @@ lpfc_rcv_logo_npr_node(struct lpfc_hba * phba,
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 
-	lpfc_rcv_logo(phba, ndlp, cmdiocb);
+	lpfc_rcv_logo(phba, ndlp, cmdiocb, ELS_CMD_LOGO);
 	return ndlp->nlp_state;
 }
 
@@ -1617,9 +1641,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_hba * phba,
 			  struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
 	struct lpfc_iocbq *cmdiocb, *rspiocb;
+	IOCB_t *irsp;
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 	rspiocb = cmdiocb->context_un.rsp_iocb;
+
+	irsp = &rspiocb->iocb;
+	if (irsp->ulpStatus) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 	return ndlp->nlp_state;
 }
 
@@ -1628,9 +1659,16 @@ lpfc_cmpl_prli_npr_node(struct lpfc_hba * phba,
 			  struct lpfc_nodelist * ndlp, void *arg, uint32_t evt)
 {
 	struct lpfc_iocbq *cmdiocb, *rspiocb;
+	IOCB_t *irsp;
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 	rspiocb = cmdiocb->context_un.rsp_iocb;
+
+	irsp = &rspiocb->iocb;
+	if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 	return ndlp->nlp_state;
 }
 
@@ -1649,9 +1687,16 @@ lpfc_cmpl_adisc_npr_node(struct lpfc_hba * phba,
 			    uint32_t evt)
 {
 	struct lpfc_iocbq *cmdiocb, *rspiocb;
+	IOCB_t *irsp;
 
 	cmdiocb = (struct lpfc_iocbq *) arg;
 	rspiocb = cmdiocb->context_un.rsp_iocb;
+
+	irsp = &rspiocb->iocb;
+	if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+		return NLP_STE_FREED_NODE;
+	}
 	return ndlp->nlp_state;
 }
 
@@ -1668,7 +1713,12 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba,
 
 	if (!mb->mbxStatus)
 		ndlp->nlp_rpi = mb->un.varWords[0];
-
+	else {
+		if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+			return NLP_STE_FREED_NODE;
+		}
+	}
 	return ndlp->nlp_state;
 }
 
@@ -1677,6 +1727,10 @@ lpfc_device_rm_npr_node(struct lpfc_hba * phba,
 			    struct lpfc_nodelist * ndlp, void *arg,
 			    uint32_t evt)
 {
+	if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
+		ndlp->nlp_flag |= NLP_NODEV_REMOVE;
+		return ndlp->nlp_state;
+	}
 	lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 	return NLP_STE_FREED_NODE;
 }
@@ -1687,7 +1741,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba,
 			    uint32_t evt)
 {
 	spin_lock_irq(phba->host->host_lock);
-	ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+	ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
 	spin_unlock_irq(phba->host->host_lock);
 	if (ndlp->nlp_flag & NLP_DELAY_TMO) {
 		lpfc_cancel_retry_delay_tmo(phba, ndlp);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index f9379987372..7dc4c2e6bed 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -629,8 +629,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
 	struct lpfc_iocbq *piocbq;
 	IOCB_t *piocb;
 	struct fcp_cmnd *fcp_cmnd;
-	struct scsi_device *scsi_dev = lpfc_cmd->pCmd->device;
-	struct lpfc_rport_data *rdata = scsi_dev->hostdata;
+	struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
 	struct lpfc_nodelist *ndlp = rdata->pnode;
 
 	if ((ndlp == NULL) || (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
@@ -665,56 +664,18 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
 		piocb->ulpTimeout = lpfc_cmd->timeout;
 	}
 
-	lpfc_cmd->rdata = rdata;
-
-	switch (task_mgmt_cmd) {
-	case FCP_LUN_RESET:
-		/* Issue LUN Reset to TGT <num> LUN <num> */
-		lpfc_printf_log(phba,
-				KERN_INFO,
-				LOG_FCP,
-				"%d:0703 Issue LUN Reset to TGT %d LUN %d "
-				"Data: x%x x%x\n",
-				phba->brd_no,
-				scsi_dev->id, scsi_dev->lun,
-				ndlp->nlp_rpi, ndlp->nlp_flag);
-
-		break;
-	case FCP_ABORT_TASK_SET:
-		/* Issue Abort Task Set to TGT <num> LUN <num> */
-		lpfc_printf_log(phba,
-				KERN_INFO,
-				LOG_FCP,
-				"%d:0701 Issue Abort Task Set to TGT %d LUN %d "
-				"Data: x%x x%x\n",
-				phba->brd_no,
-				scsi_dev->id, scsi_dev->lun,
-				ndlp->nlp_rpi, ndlp->nlp_flag);
-
-		break;
-	case FCP_TARGET_RESET:
-		/* Issue Target Reset to TGT <num> */
-		lpfc_printf_log(phba,
-				KERN_INFO,
-				LOG_FCP,
-				"%d:0702 Issue Target Reset to TGT %d "
-				"Data: x%x x%x\n",
-				phba->brd_no,
-				scsi_dev->id, ndlp->nlp_rpi,
-				ndlp->nlp_flag);
-		break;
-	}
-
 	return (1);
 }
 
 static int
-lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
+lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
+		    unsigned  tgt_id, struct lpfc_rport_data *rdata)
 {
 	struct lpfc_iocbq *iocbq;
 	struct lpfc_iocbq *iocbqrsp;
 	int ret;
 
+	lpfc_cmd->rdata = rdata;
 	ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET);
 	if (!ret)
 		return FAILED;
@@ -726,6 +687,13 @@ lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba)
 	if (!iocbqrsp)
 		return FAILED;
 
+	/* Issue Target Reset to TGT <num> */
+	lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+			"%d:0702 Issue Target Reset to TGT %d "
+			"Data: x%x x%x\n",
+			phba->brd_no, tgt_id, rdata->pnode->nlp_rpi,
+			rdata->pnode->nlp_flag);
+
 	ret = lpfc_sli_issue_iocb_wait(phba,
 				       &phba->sli.ring[phba->sli.fcp_ring],
 				       iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1021,6 +989,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	lpfc_cmd->pCmd = cmnd;
 	lpfc_cmd->timeout = 60;
 	lpfc_cmd->scsi_hba = phba;
+	lpfc_cmd->rdata = rdata;
 
 	ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET);
 	if (!ret)
@@ -1033,6 +1002,11 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	if (iocbqrsp == NULL)
 		goto out_free_scsi_buf;
 
+	lpfc_printf_log(phba, KERN_INFO, LOG_FCP,
+			"%d:0703 Issue LUN Reset to TGT %d LUN %d "
+			"Data: x%x x%x\n", phba->brd_no, cmnd->device->id,
+			cmnd->device->lun, pnode->nlp_rpi, pnode->nlp_flag);
+
 	ret = lpfc_sli_issue_iocb_wait(phba,
 				       &phba->sli.ring[phba->sli.fcp_ring],
 				       iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -1104,7 +1078,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 	int match;
 	int ret = FAILED, i, err_count = 0;
 	int cnt, loopcnt;
-	unsigned int midlayer_id = 0;
 	struct lpfc_scsi_buf * lpfc_cmd;
 
 	lpfc_block_requests(phba);
@@ -1124,7 +1097,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 	 * targets known to the driver.  Should any target reset
 	 * fail, this routine returns failure to the midlayer.
 	 */
-	midlayer_id = cmnd->device->id;
 	for (i = 0; i < MAX_FCP_TARGET; i++) {
 		/* Search the mapped list for this target ID */
 		match = 0;
@@ -1137,9 +1109,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 		if (!match)
 			continue;
 
-		lpfc_cmd->pCmd->device->id = i;
-		lpfc_cmd->pCmd->device->hostdata = ndlp->rport->dd_data;
-		ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba);
+		ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba,
+					  i, ndlp->rport->dd_data);
 		if (ret != SUCCESS) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
 				"%d:0713 Bus Reset on target %d failed\n",
@@ -1158,7 +1129,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 	 * the targets.  Unfortunately, some targets do not abide by
 	 * this forcing the driver to double check.
 	 */
-	cmnd->device->id = midlayer_id;
 	cnt = lpfc_sli_sum_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
 				0, 0, LPFC_CTX_HOST);
 	if (cnt)
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4cf1366108b..6b737568b83 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.1.4"
+#define LPFC_DRIVER_VERSION "8.1.6"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 80b68a2481b..de35ffe2f79 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4471,7 +4471,6 @@ mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
 {
 	Scsi_Cmnd	*scmd;
 	struct	scsi_device *sdev;
-	unsigned long	flags = 0;
 	scb_t	*scb;
 	int	rval;
 
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index c11e5ce6865..bec1424eda8 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -10,7 +10,7 @@
  *	   2 of the License, or (at your option) any later version.
  *
  * FILE		: megaraid_mbox.c
- * Version	: v2.20.4.7 (Nov 14 2005)
+ * Version	: v2.20.4.8 (Apr 11 2006)
  *
  * Authors:
  * 	Atul Mukker		<Atul.Mukker@lsil.com>
@@ -2278,6 +2278,7 @@ megaraid_mbox_dpc(unsigned long devp)
 	unsigned long		flags;
 	uint8_t			c;
 	int			status;
+	uioc_t			*kioc;
 
 
 	if (!adapter) return;
@@ -2320,6 +2321,9 @@ megaraid_mbox_dpc(unsigned long devp)
 			// remove from local clist
 			list_del_init(&scb->list);
 
+			kioc			= (uioc_t *)scb->gp;
+			kioc->status		= 0;
+
 			megaraid_mbox_mm_done(adapter, scb);
 
 			continue;
@@ -2636,6 +2640,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
 	int		recovery_window;
 	int		recovering;
 	int		i;
+	uioc_t		*kioc;
 
 	adapter		= SCP2ADAPTER(scp);
 	raid_dev	= ADAP2RAIDDEV(adapter);
@@ -2655,32 +2660,51 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
 	// Also, reset all the commands currently owned by the driver
 	spin_lock_irqsave(PENDING_LIST_LOCK(adapter), flags);
 	list_for_each_entry_safe(scb, tmp, &adapter->pend_list, list) {
-
 		list_del_init(&scb->list);	// from pending list
 
-		con_log(CL_ANN, (KERN_WARNING
-			"megaraid: %ld:%d[%d:%d], reset from pending list\n",
-				scp->serial_number, scb->sno,
-				scb->dev_channel, scb->dev_target));
+		if (scb->sno >= MBOX_MAX_SCSI_CMDS) {
+			con_log(CL_ANN, (KERN_WARNING
+			"megaraid: IOCTL packet with %d[%d:%d] being reset\n",
+			scb->sno, scb->dev_channel, scb->dev_target));
 
-		scp->result = (DID_RESET << 16);
-		scp->scsi_done(scp);
+			scb->status = -1;
 
-		megaraid_dealloc_scb(adapter, scb);
+			kioc			= (uioc_t *)scb->gp;
+			kioc->status		= -EFAULT;
+
+			megaraid_mbox_mm_done(adapter, scb);
+		} else {
+			if (scb->scp == scp) {	// Found command
+				con_log(CL_ANN, (KERN_WARNING
+					"megaraid: %ld:%d[%d:%d], reset from pending list\n",
+					scp->serial_number, scb->sno,
+					scb->dev_channel, scb->dev_target));
+			} else {
+				con_log(CL_ANN, (KERN_WARNING
+				"megaraid: IO packet with %d[%d:%d] being reset\n",
+				scb->sno, scb->dev_channel, scb->dev_target));
+			}
+
+			scb->scp->result = (DID_RESET << 16);
+			scb->scp->scsi_done(scb->scp);
+
+			megaraid_dealloc_scb(adapter, scb);
+		}
 	}
 	spin_unlock_irqrestore(PENDING_LIST_LOCK(adapter), flags);
 
 	if (adapter->outstanding_cmds) {
 		con_log(CL_ANN, (KERN_NOTICE
 			"megaraid: %d outstanding commands. Max wait %d sec\n",
-			adapter->outstanding_cmds, MBOX_RESET_WAIT));
+			adapter->outstanding_cmds,
+			(MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT)));
 	}
 
 	recovery_window = MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
 
 	recovering = adapter->outstanding_cmds;
 
-	for (i = 0; i < recovery_window && adapter->outstanding_cmds; i++) {
+	for (i = 0; i < recovery_window; i++) {
 
 		megaraid_ack_sequence(adapter);
 
@@ -2689,12 +2713,11 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
 			con_log(CL_ANN, (
 			"megaraid mbox: Wait for %d commands to complete:%d\n",
 				adapter->outstanding_cmds,
-				MBOX_RESET_WAIT - i));
+				(MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i));
 		}
 
 		// bailout if no recovery happended in reset time
-		if ((i == MBOX_RESET_WAIT) &&
-			(recovering == adapter->outstanding_cmds)) {
+		if (adapter->outstanding_cmds == 0) {
 			break;
 		}
 
@@ -2918,12 +2941,13 @@ mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[])
 	wmb();
 	WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1);
 
-	for (i = 0; i < 0xFFFFF; i++) {
+	for (i = 0; i < MBOX_SYNC_WAIT_CNT; i++) {
 		if (mbox->numstatus != 0xFF) break;
 		rmb();
+		udelay(MBOX_SYNC_DELAY_200);
 	}
 
-	if (i == 0xFFFFF) {
+	if (i == MBOX_SYNC_WAIT_CNT) {
 		// We may need to re-calibrate the counter
 		con_log(CL_ANN, (KERN_CRIT
 			"megaraid: fast sync command timed out\n"));
@@ -3475,7 +3499,7 @@ megaraid_cmm_register(adapter_t *adapter)
 	adp.drvr_data		= (unsigned long)adapter;
 	adp.pdev		= adapter->pdev;
 	adp.issue_uioc		= megaraid_mbox_mm_handler;
-	adp.timeout		= 300;
+	adp.timeout		= MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT;
 	adp.max_kioc		= MBOX_MAX_USER_CMDS;
 
 	if ((rval = mraid_mm_register_adp(&adp)) != 0) {
@@ -3702,7 +3726,6 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb)
 	unsigned long		flags;
 
 	kioc			= (uioc_t *)scb->gp;
-	kioc->status		= 0;
 	mbox64			= (mbox64_t *)(unsigned long)kioc->cmdbuf;
 	mbox64->mbox32.status	= scb->status;
 	raw_mbox		= (uint8_t *)&mbox64->mbox32;
diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h
index 882fb1a0b57..868fb0ec93e 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.h
+++ b/drivers/scsi/megaraid/megaraid_mbox.h
@@ -21,8 +21,8 @@
 #include "megaraid_ioctl.h"
 
 
-#define MEGARAID_VERSION	"2.20.4.7"
-#define MEGARAID_EXT_VERSION	"(Release Date: Mon Nov 14 12:27:22 EST 2005)"
+#define MEGARAID_VERSION	"2.20.4.8"
+#define MEGARAID_EXT_VERSION	"(Release Date: Mon Apr 11 12:27:22 EST 2006)"
 
 
 /*
@@ -100,6 +100,9 @@
 #define MBOX_BUSY_WAIT		10	// max usec to wait for busy mailbox
 #define MBOX_RESET_WAIT		180	// wait these many seconds in reset
 #define MBOX_RESET_EXT_WAIT	120	// extended wait reset
+#define MBOX_SYNC_WAIT_CNT	0xFFFF	// wait loop index for synchronous mode
+
+#define MBOX_SYNC_DELAY_200	200	// 200 micro-seconds
 
 /*
  * maximum transfer that can happen through the firmware commands issued
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 8f3ce043229..e8f534fb336 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -898,10 +898,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
 
 	adapter = kmalloc(sizeof(mraid_mmadp_t), GFP_KERNEL);
 
-	if (!adapter) {
-		rval = -ENOMEM;
-		goto memalloc_error;
-	}
+	if (!adapter)
+		return -ENOMEM;
 
 	memset(adapter, 0, sizeof(mraid_mmadp_t));
 
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 017729c59a4..584fe5d8e50 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -599,6 +599,7 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 *    Either SUCCESS or FAILED.
 *
 * Note:
+*    Only return FAILED if command not returned by firmware.
 **************************************************************************/
 int
 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
@@ -609,11 +610,12 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	unsigned int id, lun;
 	unsigned long serial;
 	unsigned long flags;
+	int wait = 0;
 
 	if (!CMD_SP(cmd))
-		return FAILED;
+		return SUCCESS;
 
-	ret = FAILED;
+	ret = SUCCESS;
 
 	id = cmd->device->id;
 	lun = cmd->device->lun;
@@ -642,7 +644,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 		} else {
 			DEBUG3(printk("%s(%ld): abort_command "
 			    "mbx success.\n", __func__, ha->host_no));
-			ret = SUCCESS;
+			wait = 1;
 		}
 		spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -651,17 +653,18 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	/* Wait for the command to be returned. */
-	if (ret == SUCCESS) {
+	if (wait) {
 		if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
 			qla_printk(KERN_ERR, ha,
 			    "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
 			    "%x.\n", ha->host_no, id, lun, serial, ret);
+			ret = FAILED;
 		}
 	}
 
 	qla_printk(KERN_INFO, ha,
-	    "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
-	    id, lun, serial, ret);
+	    "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
+	    ha->host_no, id, lun, wait, serial, ret);
 
 	return ret;
 }
@@ -1700,8 +1703,8 @@ qla2x00_free_device(scsi_qla_host_t *ha)
 	ha->flags.online = 0;
 
 	/* Detach interrupts */
-	if (ha->pdev->irq)
-		free_irq(ha->pdev->irq, ha);
+	if (ha->host->irq)
+		free_irq(ha->host->irq, ha);
 
 	/* release io space registers  */
 	if (ha->iobase)
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index d5fdcb9a884..9b8bca1ac1f 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -37,7 +37,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"sata_mv"
-#define DRV_VERSION	"0.6"
+#define DRV_VERSION	"0.7"
 
 enum {
 	/* BAR's are enumerated in terms of pci_resource_start() terms */
@@ -50,6 +50,12 @@ enum {
 
 	MV_PCI_REG_BASE		= 0,
 	MV_IRQ_COAL_REG_BASE	= 0x18000,	/* 6xxx part only */
+	MV_IRQ_COAL_CAUSE		= (MV_IRQ_COAL_REG_BASE + 0x08),
+	MV_IRQ_COAL_CAUSE_LO		= (MV_IRQ_COAL_REG_BASE + 0x88),
+	MV_IRQ_COAL_CAUSE_HI		= (MV_IRQ_COAL_REG_BASE + 0x8c),
+	MV_IRQ_COAL_THRESHOLD		= (MV_IRQ_COAL_REG_BASE + 0xcc),
+	MV_IRQ_COAL_TIME_THRESHOLD	= (MV_IRQ_COAL_REG_BASE + 0xd0),
+
 	MV_SATAHC0_REG_BASE	= 0x20000,
 	MV_FLASH_CTL		= 0x1046c,
 	MV_GPIO_PORT_CTL	= 0x104f0,
@@ -302,9 +308,6 @@ struct mv_port_priv {
 	dma_addr_t		crpb_dma;
 	struct mv_sg		*sg_tbl;
 	dma_addr_t		sg_tbl_dma;
-
-	unsigned		req_producer;		/* cp of req_in_ptr */
-	unsigned		rsp_consumer;		/* cp of rsp_out_ptr */
 	u32			pp_flags;
 };
 
@@ -937,8 +940,6 @@ static int mv_port_start(struct ata_port *ap)
 	writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK,
 		 port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
 
-	pp->req_producer = pp->rsp_consumer = 0;
-
 	/* Don't turn on EDMA here...do it before DMA commands only.  Else
 	 * we'll be unable to send non-data, PIO, etc due to restricted access
 	 * to shadow regs.
@@ -1022,16 +1023,16 @@ static void mv_fill_sg(struct ata_queued_cmd *qc)
 	}
 }
 
-static inline unsigned mv_inc_q_index(unsigned *index)
+static inline unsigned mv_inc_q_index(unsigned index)
 {
-	*index = (*index + 1) & MV_MAX_Q_DEPTH_MASK;
-	return *index;
+	return (index + 1) & MV_MAX_Q_DEPTH_MASK;
 }
 
 static inline void mv_crqb_pack_cmd(u16 *cmdw, u8 data, u8 addr, unsigned last)
 {
-	*cmdw = data | (addr << CRQB_CMD_ADDR_SHIFT) | CRQB_CMD_CS |
+	u16 tmp = data | (addr << CRQB_CMD_ADDR_SHIFT) | CRQB_CMD_CS |
 		(last ? CRQB_CMD_LAST : 0);
+	*cmdw = cpu_to_le16(tmp);
 }
 
 /**
@@ -1053,15 +1054,11 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
 	u16 *cw;
 	struct ata_taskfile *tf;
 	u16 flags = 0;
+	unsigned in_index;
 
  	if (ATA_PROT_DMA != qc->tf.protocol)
 		return;
 
-	/* the req producer index should be the same as we remember it */
-	WARN_ON(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >>
-		  EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		pp->req_producer);
-
 	/* Fill in command request block
 	 */
 	if (!(qc->tf.flags & ATA_TFLAG_WRITE))
@@ -1069,13 +1066,17 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
 	WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
 	flags |= qc->tag << CRQB_TAG_SHIFT;
 
-	pp->crqb[pp->req_producer].sg_addr =
+	/* get current queue index from hardware */
+	in_index = (readl(mv_ap_base(ap) + EDMA_REQ_Q_IN_PTR_OFS)
+			>> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK;
+
+	pp->crqb[in_index].sg_addr =
 		cpu_to_le32(pp->sg_tbl_dma & 0xffffffff);
-	pp->crqb[pp->req_producer].sg_addr_hi =
+	pp->crqb[in_index].sg_addr_hi =
 		cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16);
-	pp->crqb[pp->req_producer].ctrl_flags = cpu_to_le16(flags);
+	pp->crqb[in_index].ctrl_flags = cpu_to_le16(flags);
 
-	cw = &pp->crqb[pp->req_producer].ata_cmd[0];
+	cw = &pp->crqb[in_index].ata_cmd[0];
 	tf = &qc->tf;
 
 	/* Sadly, the CRQB cannot accomodate all registers--there are
@@ -1144,16 +1145,12 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
 	struct mv_port_priv *pp = ap->private_data;
 	struct mv_crqb_iie *crqb;
 	struct ata_taskfile *tf;
+	unsigned in_index;
 	u32 flags = 0;
 
  	if (ATA_PROT_DMA != qc->tf.protocol)
 		return;
 
-	/* the req producer index should be the same as we remember it */
-	WARN_ON(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >>
-		  EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		pp->req_producer);
-
 	/* Fill in Gen IIE command request block
 	 */
 	if (!(qc->tf.flags & ATA_TFLAG_WRITE))
@@ -1162,7 +1159,11 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
 	WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
 	flags |= qc->tag << CRQB_TAG_SHIFT;
 
-	crqb = (struct mv_crqb_iie *) &pp->crqb[pp->req_producer];
+	/* get current queue index from hardware */
+	in_index = (readl(mv_ap_base(ap) + EDMA_REQ_Q_IN_PTR_OFS)
+			>> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK;
+
+	crqb = (struct mv_crqb_iie *) &pp->crqb[in_index];
 	crqb->addr = cpu_to_le32(pp->sg_tbl_dma & 0xffffffff);
 	crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16);
 	crqb->flags = cpu_to_le32(flags);
@@ -1210,6 +1211,7 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
 {
 	void __iomem *port_mmio = mv_ap_base(qc->ap);
 	struct mv_port_priv *pp = qc->ap->private_data;
+	unsigned in_index;
 	u32 in_ptr;
 
 	if (ATA_PROT_DMA != qc->tf.protocol) {
@@ -1221,23 +1223,20 @@ static unsigned int mv_qc_issue(struct ata_queued_cmd *qc)
 		return ata_qc_issue_prot(qc);
 	}
 
-	in_ptr = readl(port_mmio + EDMA_REQ_Q_IN_PTR_OFS);
+	in_ptr   = readl(port_mmio + EDMA_REQ_Q_IN_PTR_OFS);
+	in_index = (in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK;
 
-	/* the req producer index should be the same as we remember it */
-	WARN_ON(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		pp->req_producer);
 	/* until we do queuing, the queue should be empty at this point */
-	WARN_ON(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >>
-		  EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK));
+	WARN_ON(in_index != ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS)
+		>> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK));
 
-	mv_inc_q_index(&pp->req_producer);	/* now incr producer index */
+	in_index = mv_inc_q_index(in_index);	/* now incr producer index */
 
 	mv_start_dma(port_mmio, pp);
 
 	/* and write the request in pointer to kick the EDMA to life */
 	in_ptr &= EDMA_REQ_Q_BASE_LO_MASK;
-	in_ptr |= pp->req_producer << EDMA_REQ_Q_PTR_SHIFT;
+	in_ptr |= in_index << EDMA_REQ_Q_PTR_SHIFT;
 	writelfl(in_ptr, port_mmio + EDMA_REQ_Q_IN_PTR_OFS);
 
 	return 0;
@@ -1260,28 +1259,26 @@ static u8 mv_get_crpb_status(struct ata_port *ap)
 {
 	void __iomem *port_mmio = mv_ap_base(ap);
 	struct mv_port_priv *pp = ap->private_data;
+	unsigned out_index;
 	u32 out_ptr;
 	u8 ata_status;
 
-	out_ptr = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
+	out_ptr   = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
+	out_index = (out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK;
 
-	/* the response consumer index should be the same as we remember it */
-	WARN_ON(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		pp->rsp_consumer);
-
-	ata_status = pp->crpb[pp->rsp_consumer].flags >> CRPB_FLAG_STATUS_SHIFT;
+	ata_status = le16_to_cpu(pp->crpb[out_index].flags)
+					>> CRPB_FLAG_STATUS_SHIFT;
 
 	/* increment our consumer index... */
-	pp->rsp_consumer = mv_inc_q_index(&pp->rsp_consumer);
+	out_index = mv_inc_q_index(out_index);
 
 	/* and, until we do NCQ, there should only be 1 CRPB waiting */
-	WARN_ON(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >>
-		  EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) !=
-		pp->rsp_consumer);
+	WARN_ON(out_index != ((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS)
+		>> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK));
 
 	/* write out our inc'd consumer index so EDMA knows we're caught up */
 	out_ptr &= EDMA_RSP_Q_BASE_LO_MASK;
-	out_ptr |= pp->rsp_consumer << EDMA_RSP_Q_PTR_SHIFT;
+	out_ptr |= out_index << EDMA_RSP_Q_PTR_SHIFT;
 	writelfl(out_ptr, port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
 
 	/* Return ATA status register for completed CRPB */
@@ -1291,6 +1288,7 @@ static u8 mv_get_crpb_status(struct ata_port *ap)
 /**
  *      mv_err_intr - Handle error interrupts on the port
  *      @ap: ATA channel to manipulate
+ *      @reset_allowed: bool: 0 == don't trigger from reset here
  *
  *      In most cases, just clear the interrupt and move on.  However,
  *      some cases require an eDMA reset, which is done right before
@@ -1301,7 +1299,7 @@ static u8 mv_get_crpb_status(struct ata_port *ap)
  *      LOCKING:
  *      Inherited from caller.
  */
-static void mv_err_intr(struct ata_port *ap)
+static void mv_err_intr(struct ata_port *ap, int reset_allowed)
 {
 	void __iomem *port_mmio = mv_ap_base(ap);
 	u32 edma_err_cause, serr = 0;
@@ -1323,9 +1321,8 @@ static void mv_err_intr(struct ata_port *ap)
 	writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
 
 	/* check for fatal here and recover if needed */
-	if (EDMA_ERR_FATAL & edma_err_cause) {
+	if (reset_allowed && (EDMA_ERR_FATAL & edma_err_cause))
 		mv_stop_and_reset(ap);
-	}
 }
 
 /**
@@ -1374,12 +1371,12 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
 		struct ata_port *ap = host_set->ports[port];
 		struct mv_port_priv *pp = ap->private_data;
 
-		hard_port = port & MV_PORT_MASK;	/* range 0-3 */
+		hard_port = mv_hardport_from_port(port); /* range 0..3 */
 		handled = 0;	/* ensure ata_status is set if handled++ */
 
 		/* Note that DEV_IRQ might happen spuriously during EDMA,
-		 * and should be ignored in such cases.  We could mask it,
-		 * but it's pretty rare and may not be worth the overhead.
+		 * and should be ignored in such cases.
+		 * The cause of this is still under investigation.
 		 */ 
 		if (pp->pp_flags & MV_PP_FLAG_EDMA_EN) {
 			/* EDMA: check for response queue interrupt */
@@ -1393,6 +1390,11 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
 				ata_status = readb((void __iomem *)
 					   ap->ioaddr.status_addr);
 				handled = 1;
+				/* ignore spurious intr if drive still BUSY */
+				if (ata_status & ATA_BUSY) {
+					ata_status = 0;
+					handled = 0;
+				}
 			}
 		}
 
@@ -1406,7 +1408,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
 			shift++;	/* skip bit 8 in the HC Main IRQ reg */
 		}
 		if ((PORT0_ERR << shift) & relevant) {
-			mv_err_intr(ap);
+			mv_err_intr(ap, 1);
 			err_mask |= AC_ERR_OTHER;
 			handled = 1;
 		}
@@ -1448,6 +1450,7 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance,
 	struct ata_host_set *host_set = dev_instance;
 	unsigned int hc, handled = 0, n_hcs;
 	void __iomem *mmio = host_set->mmio_base;
+	struct mv_host_priv *hpriv;
 	u32 irq_stat;
 
 	irq_stat = readl(mmio + HC_MAIN_IRQ_CAUSE_OFS);
@@ -1469,6 +1472,17 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance,
 			handled++;
 		}
 	}
+
+	hpriv = host_set->private_data;
+	if (IS_60XX(hpriv)) {
+		/* deal with the interrupt coalescing bits */
+		if (irq_stat & (TRAN_LO_DONE | TRAN_HI_DONE | PORTS_0_7_COAL_DONE)) {
+			writelfl(0, mmio + MV_IRQ_COAL_CAUSE_LO);
+			writelfl(0, mmio + MV_IRQ_COAL_CAUSE_HI);
+			writelfl(0, mmio + MV_IRQ_COAL_CAUSE);
+		}
+	}
+
 	if (PCI_ERR & irq_stat) {
 		printk(KERN_ERR DRV_NAME ": PCI ERROR; PCI IRQ cause=0x%08x\n",
 		       readl(mmio + PCI_IRQ_CAUSE_OFS));
@@ -1867,7 +1881,8 @@ static void mv_channel_reset(struct mv_host_priv *hpriv, void __iomem *mmio,
 
 	if (IS_60XX(hpriv)) {
 		u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
-		ifctl |= (1 << 12) | (1 << 7);
+		ifctl |= (1 << 7);		/* enable gen2i speed */
+		ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
 		writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
 	}
 
@@ -2031,11 +2046,14 @@ static void mv_eng_timeout(struct ata_port *ap)
 	       ap->host_set->mmio_base, ap, qc, qc->scsicmd,
 	       &qc->scsicmd->cmnd);
 
-	mv_err_intr(ap);
+	mv_err_intr(ap, 0);
 	mv_stop_and_reset(ap);
 
-	qc->err_mask |= AC_ERR_TIMEOUT;
-	ata_eh_qc_complete(qc);
+	WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE));
+	if (qc->flags & ATA_QCFLAG_ACTIVE) {
+		qc->err_mask |= AC_ERR_TIMEOUT;
+		ata_eh_qc_complete(qc);
+	}
 }
 
 /**
@@ -2229,7 +2247,8 @@ static int mv_init_host(struct pci_dev *pdev, struct ata_probe_ent *probe_ent,
 			void __iomem *port_mmio = mv_port_base(mmio, port);
 
 			u32 ifctl = readl(port_mmio + SATA_INTERFACE_CTL);
-			ifctl |= (1 << 12);
+			ifctl |= (1 << 7);		/* enable gen2i speed */
+			ifctl = (ifctl & 0xfff) | 0x9b1000; /* from chip spec */
 			writelfl(ifctl, port_mmio + SATA_INTERFACE_CTL);
 		}
 
@@ -2330,6 +2349,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc) {
 		return rc;
 	}
+	pci_set_master(pdev);
 
 	rc = pci_request_regions(pdev, DRV_NAME);
 	if (rc) {
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c750d3399a9..941c1e15c89 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -56,6 +56,8 @@ static struct {
 	{"DENON", "DRD-25X", "V", BLIST_NOLUN},			/* locks up */
 	{"HITACHI", "DK312C", "CM81", BLIST_NOLUN},	/* responds to all lun */
 	{"HITACHI", "DK314C", "CR21", BLIST_NOLUN},	/* responds to all lun */
+	{"IBM", "2104-DU3", NULL, BLIST_NOLUN},		/* locks up */
+	{"IBM", "2104-TU3", NULL, BLIST_NOLUN},		/* locks up */
 	{"IMS", "CDD521/10", "2.06", BLIST_NOLUN},	/* locks up */
 	{"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},	/* locks up */
 	{"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},	/* locks up */
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7b0f9a3810d..764a8b375ea 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1067,16 +1067,29 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
 			break;
 		case NOT_READY:
 			/*
-			 * If the device is in the process of becoming ready,
-			 * retry.
+			 * If the device is in the process of becoming
+			 * ready, or has a temporary blockage, retry.
 			 */
-			if (sshdr.asc == 0x04 && sshdr.ascq == 0x01) {
-				scsi_requeue_command(q, cmd);
-				return;
+			if (sshdr.asc == 0x04) {
+				switch (sshdr.ascq) {
+				case 0x01: /* becoming ready */
+				case 0x04: /* format in progress */
+				case 0x05: /* rebuild in progress */
+				case 0x06: /* recalculation in progress */
+				case 0x07: /* operation in progress */
+				case 0x08: /* Long write in progress */
+				case 0x09: /* self test in progress */
+					scsi_requeue_command(q, cmd);
+					return;
+				default:
+					break;
+				}
 			}
-			if (!(req->flags & REQ_QUIET))
+			if (!(req->flags & REQ_QUIET)) {
 				scmd_printk(KERN_INFO, cmd,
-					   "Device not ready.\n");
+					   "Device not ready: ");
+				scsi_print_sense_hdr("", &sshdr);
+			}
 			scsi_end_request(cmd, 0, this_count, 1);
 			return;
 		case VOLUME_OVERFLOW:
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 3274ab76c8d..255886a9ac5 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -75,7 +75,7 @@ param_setup(char *str)
 		else if(!strncmp(pos, "id:", 3)) {
 			if(slot == -1) {
 				printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
-			} else if(slot > MAX_SLOTS) {
+			} else if(slot >= MAX_SLOTS) {
 				printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
 			} else {
 				id_array[slot] = val;
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index d40e7c871c3..56cb4900611 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4054,7 +4054,7 @@ static int st_probe(struct device *dev)
 	}
 
 	sdev_printk(KERN_WARNING, SDp,
-		    "Attached scsi tape %s", tape_name(tpnt));
+		    "Attached scsi tape %s\n", tape_name(tpnt));
 	printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n",
 	       tape_name(tpnt), tpnt->try_dio ? "yes" : "no",
 	       queue_dma_alignment(SDp->request_queue) + 1);