Merge branch 'master' into upstream-fixes

83 files changed, 1325 insertions, 1198 deletions

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 17bc8abd5df..00f574cbb0d 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1174,8 +1174,12 @@ static void dcd_change(MGSLPC_INFO *info)
 	else
 		info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-	if (info->netcount)
-		hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, info->netdev);
+	if (info->netcount) {
+		if (info->serial_signals & SerialSignal_DCD)
+			netif_carrier_on(info->netdev);
+		else
+			netif_carrier_off(info->netdev);
+	}
 #endif
 	wake_up_interruptible(&info->status_event_wait_q);
 	wake_up_interruptible(&info->event_wait_q);
@@ -4251,8 +4255,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index df782dd1098..78b1b1a2732 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -1344,8 +1344,12 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
 			} else
 				info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-			if (info->netcount)
-				hdlc_set_carrier(status & MISCSTATUS_DCD, info->netdev);
+			if (info->netcount) {
+				if (status & MISCSTATUS_DCD)
+					netif_carrier_on(info->netdev);
+				else
+					netif_carrier_off(info->netdev);
+			}
 #endif
 		}
 		if (status & MISCSTATUS_CTS_LATCHED)
@@ -7844,8 +7848,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->irq_spinlock, flags);
 	usc_get_serial_signals(info);
 	spin_unlock_irqrestore(&info->irq_spinlock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index e829594195c..b2dbbdb1bf8 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1497,8 +1497,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->signals & SerialSignal_DCD, dev);
-
+	if (info->signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
@@ -1997,8 +1999,12 @@ static void dcd_change(struct slgt_info *info)
 		info->input_signal_events.dcd_down++;
 	}
 #ifdef CONFIG_HDLC
-	if (info->netcount)
-		hdlc_set_carrier(info->signals & SerialSignal_DCD, info->netdev);
+	if (info->netcount) {
+		if (info->signals & SerialSignal_DCD)
+			netif_carrier_on(info->netdev);
+		else
+			netif_carrier_off(info->netdev);
+	}
 #endif
 	wake_up_interruptible(&info->status_event_wait_q);
 	wake_up_interruptible(&info->event_wait_q);
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index 1e443a233f5..66f3754fbbd 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -1752,8 +1752,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
@@ -2522,8 +2524,12 @@ void isr_io_pin( SLMP_INFO *info, u16 status )
 			} else
 				info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-			if (info->netcount)
-				hdlc_set_carrier(status & SerialSignal_DCD, info->netdev);
+			if (info->netcount) {
+				if (status & SerialSignal_DCD)
+					netif_carrier_on(info->netdev);
+				else
+					netif_carrier_off(info->netdev);
+			}
 #endif
 		}
 		if (status & MISCSTATUS_CTS_LATCHED)
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 87299924e73..178f0c547eb 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -239,6 +239,8 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
 	total_ticks = (unsigned int) cputime64_sub(cur_jiffies,
 			this_dbs_info->prev_cpu_wall);
 	this_dbs_info->prev_cpu_wall = cur_jiffies;
+	if (!total_ticks)
+		return;
 	/*
 	 * Every sampling_rate, we check, if current idle time is less
 	 * than 20% (default), then we try to increase frequency
@@ -304,6 +306,9 @@ static void do_dbs_timer(void *data)
 	unsigned int cpu = smp_processor_id();
 	struct cpu_dbs_info_s *dbs_info = &per_cpu(cpu_dbs_info, cpu);
 
+	if (!dbs_info->enable)
+		return;
+
 	dbs_check_cpu(dbs_info);
 	queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work,
 			usecs_to_jiffies(dbs_tuners_ins.sampling_rate));
@@ -319,11 +324,11 @@ static inline void dbs_timer_init(unsigned int cpu)
 	return;
 }
 
-static inline void dbs_timer_exit(unsigned int cpu)
+static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
 {
-	struct cpu_dbs_info_s *dbs_info = &per_cpu(cpu_dbs_info, cpu);
-
-	cancel_rearming_delayed_workqueue(kondemand_wq, &dbs_info->work);
+	dbs_info->enable = 0;
+	cancel_delayed_work(&dbs_info->work);
+	flush_workqueue(kondemand_wq);
 }
 
 static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
@@ -396,8 +401,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
 	case CPUFREQ_GOV_STOP:
 		mutex_lock(&dbs_mutex);
-		dbs_timer_exit(policy->cpu);
-		this_dbs_info->enable = 0;
+		dbs_timer_exit(this_dbs_info);
 		sysfs_remove_group(&policy->kobj, &dbs_attr_group);
 		dbs_enable--;
 		if (dbs_enable == 0)
diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c
index 78bf46d917b..dbd4d6c3698 100644
--- a/drivers/dma/ioatdma.c
+++ b/drivers/dma/ioatdma.c
@@ -828,7 +828,7 @@ static int __init ioat_init_module(void)
 	/* if forced, worst case is that rmmod hangs */
 	__unsafe(THIS_MODULE);
 
-	return pci_module_init(&ioat_pci_drv);
+	return pci_register_driver(&ioat_pci_drv);
 }
 
 module_init(ioat_init_module);
diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c
index 66d03f242d3..1a159e8843c 100644
--- a/drivers/fc4/fc.c
+++ b/drivers/fc4/fc.c
@@ -429,7 +429,7 @@ static inline void fcp_scsi_receive(fc_channel *fc, int token, int status, fc_hd
 		
 		if (fcmd->data) {
 			if (SCpnt->use_sg)
-				dma_unmap_sg(fc->dev, (struct scatterlist *)SCpnt->buffer,
+				dma_unmap_sg(fc->dev, (struct scatterlist *)SCpnt->request_buffer,
 						SCpnt->use_sg,
 						SCpnt->sc_data_direction);
 			else
@@ -810,7 +810,7 @@ static int fcp_scsi_queue_it(fc_channel *fc, Scsi_Cmnd *SCpnt, fcp_cmnd *fcmd, i
 							     SCpnt->request_bufflen,
 							     SCpnt->sc_data_direction);
 			} else {
-				struct scatterlist *sg = (struct scatterlist *)SCpnt->buffer;
+				struct scatterlist *sg = (struct scatterlist *)SCpnt->request_buffer;
 				int nents;
 
 				FCD(("XXX: Use_sg %d %d\n", SCpnt->use_sg, sg->length))
diff --git a/drivers/message/fusion/Kconfig b/drivers/message/fusion/Kconfig
index bbc22985288..ea31d847051 100644
--- a/drivers/message/fusion/Kconfig
+++ b/drivers/message/fusion/Kconfig
@@ -48,10 +48,8 @@ config FUSION_SAS
 	  List of supported controllers:
 
 	  LSISAS1064
-	  LSISAS1066
 	  LSISAS1068
 	  LSISAS1064E
-	  LSISAS1066E
 	  LSISAS1068E
 
 config FUSION_MAX_SGE
diff --git a/drivers/message/fusion/Makefile b/drivers/message/fusion/Makefile
index b114236f439..341691390e8 100644
--- a/drivers/message/fusion/Makefile
+++ b/drivers/message/fusion/Makefile
@@ -9,7 +9,6 @@
 #EXTRA_CFLAGS += -DMPT_DEBUG_EXIT
 #EXTRA_CFLAGS += -DMPT_DEBUG_FAIL
 
-
 #
 # driver/module specifics...
 #
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 43308df6462..29d0635cce1 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -436,8 +436,6 @@ mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 		 */
 		if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) {
 			freereq = 0;
-			devtverboseprintk((MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p does not return Request frame\n",
-				ioc->name, pEvReply));
 		} else {
 			devtverboseprintk((MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p returns Request frame\n",
 				ioc->name, pEvReply));
@@ -678,19 +676,19 @@ int
 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
 {
 	MPT_ADAPTER	*ioc;
+	const struct pci_device_id *id;
 
-	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) {
+	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 		return -EINVAL;
-	}
 
 	MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
 
 	/* call per pci device probe entry point */
 	list_for_each_entry(ioc, &ioc_list, list) {
-		if(dd_cbfunc->probe) {
-			dd_cbfunc->probe(ioc->pcidev,
-			  ioc->pcidev->driver->id_table);
-  		}
+		id = ioc->pcidev->driver ?
+		    ioc->pcidev->driver->id_table : NULL;
+		if (dd_cbfunc->probe)
+			dd_cbfunc->probe(ioc->pcidev, id);
 	 }
 
 	return 0;
@@ -1056,9 +1054,8 @@ mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
 
 				dinitprintk((MYIOC_s_INFO_FMT
 				    "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
-				    ioc->name,
-				    ioc->HostPageBuffer,
-				    ioc->HostPageBuffer_dma,
+				    ioc->name, ioc->HostPageBuffer,
+				    (u32)ioc->HostPageBuffer_dma,
 				    host_page_buffer_sz));
 				ioc->alloc_total += host_page_buffer_sz;
 				ioc->HostPageBuffer_sz = host_page_buffer_sz;
@@ -1380,6 +1377,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(KERN_WARNING MYNAM
 		  ": WARNING - %s did not initialize properly! (%d)\n",
 		  ioc->name, r);
+
 		list_del(&ioc->list);
 		if (ioc->alt_ioc)
 			ioc->alt_ioc->alt_ioc = NULL;
@@ -1762,9 +1760,9 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 						 * chips (mpt_adapter_disable,
 						 * mpt_diag_reset)
 						 */
-						ioc->cached_fw = NULL;
 						ddlprintk((MYIOC_s_INFO_FMT ": mpt_upload:  alt_%s has cached_fw=%p \n",
 							ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
+						ioc->alt_ioc->cached_fw = NULL;
 					}
 				} else {
 					printk(KERN_WARNING MYNAM ": firmware upload failure!\n");
@@ -1885,7 +1883,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		/* FIXME?  Examine results here? */
 	}
 
-out:
+ out:
 	if ((ret != 0) && irq_allocated) {
 		free_irq(ioc->pci_irq, ioc);
 		if (mpt_msi_enable)
@@ -2670,6 +2668,7 @@ SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
 	dinitprintk((MYIOC_s_INFO_FMT "INFO - Wait IOC_OPERATIONAL state (cnt=%d)\n",
 			ioc->name, count));
 
+	ioc->aen_event_read_flag=0;
 	return r;
 }
 
@@ -2737,6 +2736,8 @@ mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
 	if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
 		ioc->cached_fw = ioc->alt_ioc->cached_fw;  /* use alt_ioc's memory */
 		ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
+		ioc->alloc_total += size;
+		ioc->alt_ioc->alloc_total -= size;
 	} else {
 		if ( (ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma) ) )
 			ioc->alloc_total += size;
@@ -3166,6 +3167,7 @@ KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
 static int
 mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 {
+	MPT_ADAPTER	*iocp=NULL;
 	u32 diag0val;
 	u32 doorbell;
 	int hard_reset_done = 0;
@@ -3301,17 +3303,23 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 			/* FIXME?  Examine results here? */
 		}
 
-		if (ioc->cached_fw) {
+		if (ioc->cached_fw)
+			iocp = ioc;
+		else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
+			iocp = ioc->alt_ioc;
+		if (iocp) {
 			/* If the DownloadBoot operation fails, the
 			 * IOC will be left unusable. This is a fatal error
 			 * case.  _diag_reset will return < 0
 			 */
 			for (count = 0; count < 30; count ++) {
-				diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
+				diag0val = CHIPREG_READ32(&iocp->chip->Diagnostic);
 				if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
 					break;
 				}
 
+				dprintk((MYIOC_s_INFO_FMT "cached_fw: diag0val=%x count=%d\n",
+					iocp->name, diag0val, count));
 				/* wait 1 sec */
 				if (sleepFlag == CAN_SLEEP) {
 					msleep (1000);
@@ -3320,7 +3328,7 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 				}
 			}
 			if ((count = mpt_downloadboot(ioc,
-				(MpiFwHeader_t *)ioc->cached_fw, sleepFlag)) < 0) {
+				(MpiFwHeader_t *)iocp->cached_fw, sleepFlag)) < 0) {
 				printk(KERN_WARNING MYNAM
 					": firmware downloadboot failure (%d)!\n", count);
 			}
@@ -3907,18 +3915,18 @@ WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
 
 	if (sleepFlag == CAN_SLEEP) {
 		while (--cntdn) {
+			msleep (1);
 			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
 				break;
-			msleep (1);
 			count++;
 		}
 	} else {
 		while (--cntdn) {
+			mdelay (1);
 			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
 				break;
-			mdelay (1);
 			count++;
 		}
 	}
@@ -4883,6 +4891,7 @@ mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
 		pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
 		if (!pIoc4)
 			return;
+		ioc->alloc_total += iocpage4sz;
 	} else {
 		ioc4_dma = ioc->spi_data.IocPg4_dma;
 		iocpage4sz = ioc->spi_data.IocPg4Sz;
@@ -4899,6 +4908,7 @@ mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
 	} else {
 		pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
 		ioc->spi_data.pIocPg4 = NULL;
+		ioc->alloc_total -= iocpage4sz;
 	}
 }
 
@@ -5030,19 +5040,18 @@ SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
 	EventAck_t	*pAck;
 
 	if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
-		printk(MYIOC_s_WARN_FMT "Unable to allocate event ACK "
-			"request frame for Event=%x EventContext=%x EventData=%x!\n",
-			ioc->name, evnp->Event, le32_to_cpu(evnp->EventContext),
-			le32_to_cpu(evnp->Data[0]));
+		dfailprintk((MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
+		    ioc->name,__FUNCTION__));
 		return -1;
 	}
-	memset(pAck, 0, sizeof(*pAck));
 
-	dprintk((MYIOC_s_INFO_FMT "Sending EventAck\n", ioc->name));
+	devtverboseprintk((MYIOC_s_INFO_FMT "Sending EventAck\n", ioc->name));
 
 	pAck->Function     = MPI_FUNCTION_EVENT_ACK;
 	pAck->ChainOffset  = 0;
+	pAck->Reserved[0]  = pAck->Reserved[1] = 0;
 	pAck->MsgFlags     = 0;
+	pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
 	pAck->Event        = evnp->Event;
 	pAck->EventContext = evnp->EventContext;
 
@@ -5704,9 +5713,9 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 		break;
 	case MPI_EVENT_EVENT_CHANGE:
 		if (evData0)
-			ds = "Events(ON) Change";
+			ds = "Events ON";
 		else
-			ds = "Events(OFF) Change";
+			ds = "Events OFF";
 		break;
 	case MPI_EVENT_INTEGRATED_RAID:
 	{
@@ -5777,8 +5786,27 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 			break;
 		case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
 			snprintf(evStr, EVENT_DESCR_STR_SZ,
-			    "SAS Device Status Change: No Persistancy "
-			    "Added: id=%d", id);
+			    "SAS Device Status Change: No Persistancy: id=%d", id);
+			break;
+		case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "SAS Device Status Change: Internal Device Reset : id=%d", id);
+			break;
+		case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "SAS Device Status Change: Internal Task Abort : id=%d", id);
+			break;
+		case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "SAS Device Status Change: Internal Abort Task Set : id=%d", id);
+			break;
+		case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "SAS Device Status Change: Internal Clear Task Set : id=%d", id);
+			break;
+		case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "SAS Device Status Change: Internal Query Task : id=%d", id);
 			break;
 		default:
 			snprintf(evStr, EVENT_DESCR_STR_SZ,
@@ -6034,7 +6062,7 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
  *	@ioc: Pointer to MPT_ADAPTER structure
  *	@log_info: U32 LogInfo reply word from the IOC
  *
- *	Refer to lsi/fc_log.h.
+ *	Refer to lsi/mpi_log_fc.h.
  */
 static void
 mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
@@ -6131,8 +6159,10 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
 		"Invalid SAS Address",				/* 01h */
 		NULL,						/* 02h */
 		"Invalid Page",					/* 03h */
-		NULL,						/* 04h */
-		"Task Terminated"				/* 05h */
+		"Diag Message Error",				/* 04h */
+		"Task Terminated",				/* 05h */
+		"Enclosure Management",				/* 06h */
+		"Target Mode"					/* 07h */
 	};
 	static char *pl_code_str[] = {
 		NULL,						/* 00h */
@@ -6158,7 +6188,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
 		"IO Executed",					/* 14h */
 		"Persistant Reservation Out Not Affiliation Owner", /* 15h */
 		"Open Transmit DMA Abort",			/* 16h */
-		NULL,						/* 17h */
+		"IO Device Missing Delay Retry",		/* 17h */
 		NULL,						/* 18h */
 		NULL,						/* 19h */
 		NULL,						/* 1Ah */
@@ -6238,7 +6268,7 @@ static void
 mpt_sp_ioc_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
 {
 	u32 status = ioc_status & MPI_IOCSTATUS_MASK;
-	char *desc = "";
+	char *desc = NULL;
 
 	switch (status) {
 	case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
@@ -6348,7 +6378,7 @@ mpt_sp_ioc_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
 		desc = "Others";
 		break;
 	}
-	if (desc != "")
+	if (desc != NULL)
 		printk(MYIOC_s_INFO_FMT "IOCStatus(0x%04x): %s\n", ioc->name, status, desc);
 }
 
@@ -6386,7 +6416,6 @@ EXPORT_SYMBOL(mpt_alloc_fw_memory);
 EXPORT_SYMBOL(mpt_free_fw_memory);
 EXPORT_SYMBOL(mptbase_sas_persist_operation);
 
-
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	fusion_init - Fusion MPT base driver initialization routine.
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index a5ce10b67d0..d4cb144ab40 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -75,8 +75,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.00"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.00"
+#define MPT_LINUX_VERSION_COMMON	"3.04.01"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.01"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -307,8 +307,8 @@ typedef struct _SYSIF_REGS
 	u32	HostIndex;	/* 50     Host Index register        */
 	u32	Reserved4[15];	/* 54-8F                             */
 	u32	Fubar;		/* 90     For Fubar usage            */
-	u32     Reserved5[1050];/* 94-10F8                           */
-	u32     Reset_1078;     /* 10FC   Reset 1078                 */
+	u32	Reserved5[1050];/* 94-10F8                           */
+	u32	Reset_1078;	/* 10FC   Reset 1078                 */
 } SYSIF_REGS;
 
 /*
@@ -363,6 +363,7 @@ typedef struct _VirtDevice {
 #define MPT_TARGET_FLAGS_VALID_56	0x10
 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED	0x20
 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x40
+#define MPT_TARGET_FLAGS_LED_ON		0x80
 
 /*
  *	/proc/mpt interface
@@ -634,7 +635,6 @@ typedef struct _MPT_ADAPTER
 	u16			 handle;
 	int			 sas_index; /* index refrencing */
 	MPT_SAS_MGMT		 sas_mgmt;
-	int			 num_ports;
 	struct work_struct	 sas_persist_task;
 
 	struct work_struct	 fc_setup_reset_work;
@@ -644,7 +644,6 @@ typedef struct _MPT_ADAPTER
 	struct work_struct	 fc_rescan_work;
 	char			 fc_rescan_work_q_name[KOBJ_NAME_LEN];
 	struct workqueue_struct *fc_rescan_work_q;
-	u8		port_serial_number;
 } MPT_ADAPTER;
 
 /*
@@ -982,7 +981,7 @@ typedef struct _MPT_SCSI_HOST {
 	wait_queue_head_t	  scandv_waitq;
 	int			  scandv_wait_done;
 	long			  last_queue_full;
-	u8		 	  mpt_pq_filter;
+	u16			  tm_iocstatus;
 } MPT_SCSI_HOST;
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index b4967bb8a7d..30975ccd994 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -2332,7 +2332,7 @@ done_free_mem:
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/* Prototype Routine for the HP HOST INFO command.
+/* Prototype Routine for the HOST INFO command.
  *
  * Outputs:	None.
  * Return:	0 if successful
@@ -2568,7 +2568,7 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/* Prototype Routine for the HP TARGET INFO command.
+/* Prototype Routine for the TARGET INFO command.
  *
  * Outputs:	None.
  * Return:	0 if successful
diff --git a/drivers/message/fusion/mptctl.h b/drivers/message/fusion/mptctl.h
index a2f8a97992e..043941882c6 100644
--- a/drivers/message/fusion/mptctl.h
+++ b/drivers/message/fusion/mptctl.h
@@ -354,9 +354,6 @@ struct mpt_ioctl_command32 {
 
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
- *	HP Specific IOCTL Defines and Structures
- */
 
 #define CPQFCTS_IOC_MAGIC 'Z'
 #define HP_IOC_MAGIC 'Z'
@@ -364,8 +361,6 @@ struct mpt_ioctl_command32 {
 #define HP_GETHOSTINFO1		_IOR(HP_IOC_MAGIC, 20, hp_host_info_rev0_t)
 #define HP_GETTARGETINFO	_IOR(HP_IOC_MAGIC, 21, hp_target_info_t)
 
-/* All HP IOCTLs must include this header
- */
 typedef struct _hp_header {
 	unsigned int iocnum;
 	unsigned int host;
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index a8f2fa98545..90da7d63b08 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -77,10 +77,6 @@ MODULE_DESCRIPTION(my_NAME);
 MODULE_LICENSE("GPL");
 
 /* Command line args */
-static int mpt_pq_filter = 0;
-module_param(mpt_pq_filter, int, 0);
-MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1  (default=0)");
-
 #define MPTFC_DEV_LOSS_TMO (60)
 static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;	/* reasonable default */
 module_param(mptfc_dev_loss_tmo, int, 0);
@@ -513,8 +509,7 @@ mptfc_slave_alloc(struct scsi_device *sdev)
 
 	if (vtarget->num_luns == 0) {
 		vtarget->ioc_id = hd->ioc->id;
-		vtarget->tflags = MPT_TARGET_FLAGS_Q_YES |
-		    		  MPT_TARGET_FLAGS_VALID_INQUIRY;
+		vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
 		hd->Targets[sdev->id] = vtarget;
 	}
 
@@ -1129,13 +1124,6 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	hd->timer.data = (unsigned long) hd;
 	hd->timer.function = mptscsih_timer_expired;
 
-	hd->mpt_pq_filter = mpt_pq_filter;
-
-	ddvprintk((MYIOC_s_INFO_FMT
-		"mpt_pq_filter %x\n",
-		ioc->name, 
-		mpt_pq_filter));
-
 	init_waitqueue_head(&hd->scandv_waitq);
 	hd->scandv_wait_done = 0;
 	hd->last_queue_full = 0;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index f7bd8b11ed3..f66f2203143 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -67,20 +67,19 @@
 #define my_VERSION	MPT_LINUX_VERSION_COMMON
 #define MYNAM		"mptsas"
 
+/*
+ * Reserved channel for integrated raid
+ */
+#define MPTSAS_RAID_CHANNEL	1
+
 MODULE_AUTHOR(MODULEAUTHOR);
 MODULE_DESCRIPTION(my_NAME);
 MODULE_LICENSE("GPL");
 
-static int mpt_pq_filter;
-module_param(mpt_pq_filter, int, 0);
-MODULE_PARM_DESC(mpt_pq_filter,
-		"Enable peripheral qualifier filter: enable=1  "
-		"(default=0)");
-
 static int mpt_pt_clear;
 module_param(mpt_pt_clear, int, 0);
 MODULE_PARM_DESC(mpt_pt_clear,
-		"Clear persistency table: enable=1  "
+		" Clear persistency table: enable=1  "
 		"(default=MPTSCSIH_PT_CLEAR=0)");
 
 static int	mptsasDoneCtx = -1;
@@ -144,7 +143,6 @@ struct mptsas_devinfo {
  * Specific details on ports, wide/narrow
  */
 struct mptsas_portinfo_details{
-	u8	port_id; 	/* port number provided to transport */
 	u16	num_phys;	/* number of phys belong to this port */
 	u64	phy_bitmask; 	/* TODO, extend support for 255 phys */
 	struct sas_rphy *rphy;	/* transport layer rphy object */
@@ -350,10 +348,10 @@ mptsas_port_delete(struct mptsas_portinfo_details * port_details)
 	port_info = port_details->port_info;
 	phy_info = port_info->phy_info;
 
-	dsaswideprintk((KERN_DEBUG "%s: [%p]: port=%02d num_phys=%02d "
+	dsaswideprintk((KERN_DEBUG "%s: [%p]: num_phys=%02d "
 	    	"bitmask=0x%016llX\n",
-		__FUNCTION__, port_details, port_details->port_id,
-		port_details->num_phys, port_details->phy_bitmask));
+		__FUNCTION__, port_details, port_details->num_phys,
+		    port_details->phy_bitmask));
 
 	for (i = 0; i < port_info->num_phys; i++, phy_info++) {
 		if(phy_info->port_details != port_details)
@@ -462,9 +460,8 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 		 * phy be removed by firmware events.
 		 */
 		dsaswideprintk((KERN_DEBUG
-			"%s: [%p]: port=%d deleting phy = %d\n",
-			__FUNCTION__, port_details,
-			port_details->port_id, i));
+			"%s: [%p]: deleting phy = %d\n",
+			__FUNCTION__, port_details, i));
 		port_details->num_phys--;
 		port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
 		memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
@@ -493,7 +490,6 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 				goto out;
 			port_details->num_phys = 1;
 			port_details->port_info = port_info;
-			port_details->port_id = ioc->port_serial_number++;
 			if (phy_info->phy_id < 64 )
 				port_details->phy_bitmask |=
 				    (1 << phy_info->phy_id);
@@ -525,12 +521,8 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 				    mptsas_get_port(phy_info_cmp);
 				port_details->starget =
 				    mptsas_get_starget(phy_info_cmp);
-				port_details->port_id =
-					phy_info_cmp->port_details->port_id;
 				port_details->num_phys =
 					phy_info_cmp->port_details->num_phys;
-//				port_info->port_serial_number--;
-				ioc->port_serial_number--;
 				if (!phy_info_cmp->port_details->num_phys)
 					kfree(phy_info_cmp->port_details);
 			} else
@@ -554,11 +546,11 @@ mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
 		if (!port_details)
 			continue;
 		dsaswideprintk((KERN_DEBUG
-			"%s: [%p]: phy_id=%02d port_id=%02d num_phys=%02d "
+			"%s: [%p]: phy_id=%02d num_phys=%02d "
 		    	"bitmask=0x%016llX\n",
 			__FUNCTION__,
-			port_details, i, port_details->port_id,
-			port_details->num_phys, port_details->phy_bitmask));
+			port_details, i, port_details->num_phys,
+			port_details->phy_bitmask));
 		dsaswideprintk((KERN_DEBUG"\t\tport = %p rphy=%p\n",
 			port_details->port, port_details->rphy));
 	}
@@ -651,16 +643,13 @@ mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
 static int
 mptsas_slave_configure(struct scsi_device *sdev)
 {
-	struct Scsi_Host	*host = sdev->host;
-	MPT_SCSI_HOST		*hd = (MPT_SCSI_HOST *)host->hostdata;
 
-	/*
-	 * RAID volumes placed beyond the last expected port.
-	 * Ignore sending sas mode pages in that case..
-	 */
-	if (sdev->channel < hd->ioc->num_ports)
-		sas_read_port_mode_page(sdev);
+	if (sdev->channel == MPTSAS_RAID_CHANNEL)
+		goto out;
+
+	sas_read_port_mode_page(sdev);
 
+ out:
 	return mptscsih_slave_configure(sdev);
 }
 
@@ -689,10 +678,7 @@ mptsas_target_alloc(struct scsi_target *starget)
 
 	hd->Targets[target_id] = vtarget;
 
-	/*
-	 * RAID volumes placed beyond the last expected port.
-	 */
-	if (starget->channel == hd->ioc->num_ports)
+	if (starget->channel == MPTSAS_RAID_CHANNEL)
 		goto out;
 
 	rphy = dev_to_rphy(starget->dev.parent);
@@ -743,7 +729,7 @@ mptsas_target_destroy(struct scsi_target *starget)
 	if (!starget->hostdata)
 		return;
 
-	if (starget->channel == hd->ioc->num_ports)
+	if (starget->channel == MPTSAS_RAID_CHANNEL)
 		goto out;
 
 	rphy = dev_to_rphy(starget->dev.parent);
@@ -783,10 +769,7 @@ mptsas_slave_alloc(struct scsi_device *sdev)
 	starget = scsi_target(sdev);
 	vdev->vtarget = starget->hostdata;
 
-	/*
-	 * RAID volumes placed beyond the last expected port.
-	 */
-	if (sdev->channel == hd->ioc->num_ports)
+	if (sdev->channel == MPTSAS_RAID_CHANNEL)
 		goto out;
 
 	rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
@@ -1608,11 +1591,7 @@ static int mptsas_probe_one_phy(struct device *dev,
 	if (phy_info->sas_port_add_phy) {
 
 		if (!port) {
-			port = sas_port_alloc(dev,
-			    phy_info->port_details->port_id);
-			dsaswideprintk((KERN_DEBUG
-			    "sas_port_alloc: port=%p dev=%p port_id=%d\n",
-			    port, dev, phy_info->port_details->port_id));
+			port = sas_port_alloc_num(dev);
 			if (!port) {
 				error = -ENOMEM;
 				goto out;
@@ -1625,6 +1604,9 @@ static int mptsas_probe_one_phy(struct device *dev,
 				goto out;
 			}
 			mptsas_set_port(phy_info, port);
+			dsaswideprintk((KERN_DEBUG
+			    "sas_port_alloc: port=%p dev=%p port_id=%d\n",
+			    port, dev, port->port_identifier));
 		}
 		dsaswideprintk((KERN_DEBUG "sas_port_add_phy: phy_id=%d\n",
 		    phy_info->phy_id));
@@ -1736,7 +1718,6 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
 		hba = NULL;
 	}
 	mutex_unlock(&ioc->sas_topology_mutex);
-	ioc->num_ports = port_info->num_phys;
 
 	for (i = 0; i < port_info->num_phys; i++) {
 		mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
@@ -1939,7 +1920,8 @@ mptsas_delete_expander_phys(MPT_ADAPTER *ioc)
 					expander_sas_address)
 					continue;
 #ifdef MPT_DEBUG_SAS_WIDE
-				dev_printk(KERN_DEBUG, &port->dev, "delete\n");
+				dev_printk(KERN_DEBUG, &port->dev,
+				    "delete port (%d)\n", port->port_identifier);
 #endif
 				sas_port_delete(port);
 				mptsas_port_delete(phy_info->port_details);
@@ -1984,7 +1966,7 @@ mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
 	if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
 		goto out;
 	for (i=0; i<ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
-		scsi_add_device(ioc->sh, ioc->num_ports,
+		scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
 		    ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
 	}
  out:
@@ -2185,7 +2167,8 @@ mptsas_hotplug_work(void *arg)
 		       ioc->name, ds, ev->channel, ev->id, phy_info->phy_id);
 
 #ifdef MPT_DEBUG_SAS_WIDE
-		dev_printk(KERN_DEBUG, &port->dev, "delete\n");
+		dev_printk(KERN_DEBUG, &port->dev,
+		    "delete port (%d)\n", port->port_identifier);
 #endif
 		sas_port_delete(port);
 		mptsas_port_delete(phy_info->port_details);
@@ -2289,35 +2272,26 @@ mptsas_hotplug_work(void *arg)
 		mptsas_set_rphy(phy_info, rphy);
 		break;
 	case MPTSAS_ADD_RAID:
-		sdev = scsi_device_lookup(
-			ioc->sh,
-			ioc->num_ports,
-			ev->id,
-			0);
+		sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
+		    ev->id, 0);
 		if (sdev) {
 			scsi_device_put(sdev);
 			break;
 		}
 		printk(MYIOC_s_INFO_FMT
 		       "attaching raid volume, channel %d, id %d\n",
-		       ioc->name, ioc->num_ports, ev->id);
-		scsi_add_device(ioc->sh,
-			ioc->num_ports,
-			ev->id,
-			0);
+		       ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
+		scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, ev->id, 0);
 		mpt_findImVolumes(ioc);
 		break;
 	case MPTSAS_DEL_RAID:
-		sdev = scsi_device_lookup(
-			ioc->sh,
-			ioc->num_ports,
-			ev->id,
-			0);
+		sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
+	    	    ev->id, 0);
 		if (!sdev)
 			break;
 		printk(MYIOC_s_INFO_FMT
 		       "removing raid volume, channel %d, id %d\n",
-		       ioc->name, ioc->num_ports, ev->id);
+		       ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
 		vdevice = sdev->hostdata;
 		vdevice->vtarget->deleted = 1;
 		mptsas_target_reset(ioc, vdevice->vtarget);
@@ -2723,7 +2697,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	hd->timer.data = (unsigned long) hd;
 	hd->timer.function = mptscsih_timer_expired;
 
-	hd->mpt_pq_filter = mpt_pq_filter;
 	ioc->sas_data.ptClear = mpt_pt_clear;
 
 	if (ioc->sas_data.ptClear==1) {
@@ -2731,12 +2704,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		    ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
 	}
 
-	ddvprintk((MYIOC_s_INFO_FMT
-		"mpt_pq_filter %x mpt_pq_filter %x\n",
-		ioc->name,
-		mpt_pq_filter,
-		mpt_pq_filter));
-
 	init_waitqueue_head(&hd->scandv_waitq);
 	hd->scandv_wait_done = 0;
 	hd->last_queue_full = 0;
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 8242b16e316..30524dc54b1 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -66,6 +66,7 @@
 
 #include "mptbase.h"
 #include "mptscsih.h"
+#include "lsi/mpi_log_sas.h"
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 #define my_NAME		"Fusion MPT SCSI Host driver"
@@ -127,7 +128,7 @@ static void	mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
 static void	mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
 static int	mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
 static int	mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout );
-static u32	SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
+static int	SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
 
 static int	mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
 
@@ -497,6 +498,34 @@ nextSGEset:
 	return SUCCESS;
 } /* mptscsih_AddSGE() */
 
+static void
+mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
+    U32 SlotStatus)
+{
+	MPT_FRAME_HDR *mf;
+	SEPRequest_t 	 *SEPMsg;
+
+	if (ioc->bus_type == FC)
+		return;
+
+	if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
+		dfailprintk((MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
+		    ioc->name,__FUNCTION__));
+		return;
+	}
+
+	SEPMsg = (SEPRequest_t *)mf;
+	SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+	SEPMsg->Bus = vtarget->bus_id;
+	SEPMsg->TargetID = vtarget->target_id;
+	SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
+	SEPMsg->SlotStatus = SlotStatus;
+	devtverboseprintk((MYIOC_s_WARN_FMT
+	    "Sending SEP cmd=%x id=%d bus=%d\n",
+	    ioc->name, SlotStatus, SEPMsg->TargetID, SEPMsg->Bus));
+	mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	mptscsih_io_done - Main SCSI IO callback routine registered to
@@ -520,6 +549,8 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 	SCSIIORequest_t	*pScsiReq;
 	SCSIIOReply_t	*pScsiReply;
 	u16		 req_idx, req_idx_MR;
+	VirtDevice	 *vdev;
+	VirtTarget	 *vtarget;
 
 	hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
 
@@ -538,6 +569,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 	}
 
 	sc = hd->ScsiLookup[req_idx];
+	hd->ScsiLookup[req_idx] = NULL;
 	if (sc == NULL) {
 		MPIHeader_t *hdr = (MPIHeader_t *)mf;
 
@@ -553,6 +585,12 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		return 1;
 	}
 
+	if ((unsigned char *)mf != sc->host_scribble) {
+		mptscsih_freeChainBuffers(ioc, req_idx);
+		return 1;
+	}
+
+	sc->host_scribble = NULL;
 	sc->result = DID_OK << 16;		/* Set default reply as OK */
 	pScsiReq = (SCSIIORequest_t *) mf;
 	pScsiReply = (SCSIIOReply_t *) mr;
@@ -640,10 +678,36 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
 			if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
 				hd->sel_timeout[pScsiReq->TargetID]++;
+
+			vdev = sc->device->hostdata;
+			if (!vdev)
+				break;
+			vtarget = vdev->vtarget;
+			if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
+				mptscsih_issue_sep_command(ioc, vtarget,
+				    MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
+				vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
+			}
 			break;
 
-		case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:	/* 0x0048 */
 		case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:		/* 0x004B */
+			if ( ioc->bus_type == SAS ) {
+				u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
+				if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
+					u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
+					log_info &=SAS_LOGINFO_MASK;
+					if (log_info == SAS_LOGINFO_NEXUS_LOSS) {
+						sc->result = (DID_BUS_BUSY << 16);
+						break;
+					}
+				}
+			}
+
+			/*
+			 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
+			 */
+
+		case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:	/* 0x0048 */
 		case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:		/* 0x004C */
 			/* Linux handles an unsolicited DID_RESET better
 			 * than an unsolicited DID_ABORT.
@@ -658,7 +722,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 				sc->result=DID_SOFT_ERROR << 16;
 			else /* Sufficient data transfer occurred */
 				sc->result = (DID_OK << 16) | scsi_status;
-			dreplyprintk((KERN_NOTICE 
+			dreplyprintk((KERN_NOTICE
 			    "RESIDUAL_MISMATCH: result=%x on id=%d\n", sc->result, sc->device->id));
 			break;
 
@@ -784,8 +848,6 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 				sc->request_bufflen, sc->sc_data_direction);
 	}
 
-	hd->ScsiLookup[req_idx] = NULL;
-
 	sc->scsi_done(sc);		/* Issue the command callback */
 
 	/* Free Chain buffers */
@@ -827,9 +889,17 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
 			dmfprintk(( "flush: ScsiDone (mf=%p,sc=%p)\n",
 					mf, SCpnt));
 
+			/* Free Chain buffers */
+			mptscsih_freeChainBuffers(ioc, ii);
+
+			/* Free Message frames */
+			mpt_free_msg_frame(ioc, mf);
+
+			if ((unsigned char *)mf != SCpnt->host_scribble)
+				continue;
+
 			/* Set status, free OS resources (SG DMA buffers)
 			 * Do OS callback
-			 * Free driver resources (chain, msg buffers)
 			 */
 			if (SCpnt->use_sg) {
 				pci_unmap_sg(ioc->pcidev,
@@ -845,12 +915,6 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
 			SCpnt->result = DID_RESET << 16;
 			SCpnt->host_scribble = NULL;
 
-			/* Free Chain buffers */
-			mptscsih_freeChainBuffers(ioc, ii);
-
-			/* Free Message frames */
-			mpt_free_msg_frame(ioc, mf);
-
 			SCpnt->scsi_done(SCpnt);	/* Issue the command callback */
 		}
 	}
@@ -887,10 +951,10 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 		if ((sc = hd->ScsiLookup[ii]) != NULL) {
 
 			mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii);
-
+			if (mf == NULL)
+				continue;
 			dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n",
 					hd->ScsiLookup[ii], mf, mf->TargetID, mf->LUN[1]));
-
 			if ((mf->TargetID != ((u8)vdevice->vtarget->target_id)) || (mf->LUN[1] != ((u8) vdevice->lun)))
 				continue;
 
@@ -899,6 +963,8 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 			hd->ScsiLookup[ii] = NULL;
 			mptscsih_freeChainBuffers(hd->ioc, ii);
 			mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf);
+			if ((unsigned char *)mf != sc->host_scribble)
+				continue;
 			if (sc->use_sg) {
 				pci_unmap_sg(hd->ioc->pcidev,
 				(struct scatterlist *) sc->request_buffer,
@@ -1341,8 +1407,8 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 			goto fail;
 	}
 
+	SCpnt->host_scribble = (unsigned char *)mf;
 	hd->ScsiLookup[my_idx] = SCpnt;
-	SCpnt->host_scribble = NULL;
 
 	mpt_put_msg_frame(hd->ioc->DoneCtx, hd->ioc, mf);
 	dmfprintk((MYIOC_s_INFO_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
@@ -1529,6 +1595,12 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, in
 		rc = mpt_HardResetHandler(hd->ioc, CAN_SLEEP);
 	}
 
+	/*
+	 * Check IOCStatus from TM reply message
+	 */
+	 if (hd->tm_iocstatus != MPI_IOCSTATUS_SUCCESS)
+		rc = FAILED;
+
 	dtmprintk((MYIOC_s_INFO_FMT "TMHandler rc = %d!\n", hd->ioc->name, rc));
 
 	return rc;
@@ -1654,6 +1726,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	int		 scpnt_idx;
 	int		 retval;
 	VirtDevice	 *vdev;
+	ulong	 	 sn = SCpnt->serial_number;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
@@ -1707,6 +1780,11 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 		vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun,
 		ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
 
+	if (SCPNT_TO_LOOKUP_IDX(SCpnt) == scpnt_idx &&
+	    SCpnt->serial_number == sn) {
+		retval = FAILED;
+	}
+
 	printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
 		hd->ioc->name,
 		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
@@ -2023,6 +2101,7 @@ mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *m
 		DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply);
 
 		iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+		hd->tm_iocstatus = iocstatus;
 		dtmprintk((MYIOC_s_WARN_FMT "  SCSI TaskMgmt (%d) IOCStatus=%04x IOCLogInfo=%08x\n",
 			ioc->name, tmType, iocstatus, le32_to_cpu(pScsiTmReply->IOCLogInfo)));
 		/* Error?  (anything non-zero?) */
@@ -2401,6 +2480,13 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
 				ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12];
 
 				ioc->eventContext++;
+				if (hd->ioc->pcidev->vendor ==
+				    PCI_VENDOR_ID_IBM) {
+					mptscsih_issue_sep_command(hd->ioc,
+					    vdev->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
+					vdev->vtarget->tflags |=
+					    MPT_TARGET_FLAGS_LED_ON;
+				}
 			}
 		}
 	} else {
@@ -2409,7 +2495,7 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
 	}
 }
 
-static u32
+static int
 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc)
 {
 	MPT_SCSI_HOST *hd;
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 0a1ff762205..e4cc3dd5fc9 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -83,10 +83,6 @@ static int mpt_saf_te = MPTSCSIH_SAF_TE;
 module_param(mpt_saf_te, int, 0);
 MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1  (default=MPTSCSIH_SAF_TE=0)");
 
-static int mpt_pq_filter = 0;
-module_param(mpt_pq_filter, int, 0);
-MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1  (default=0)");
-
 static void mptspi_write_offset(struct scsi_target *, int);
 static void mptspi_write_width(struct scsi_target *, int);
 static int mptspi_write_spi_device_pg1(struct scsi_target *,
@@ -1047,14 +1043,12 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	hd->timer.function = mptscsih_timer_expired;
 
 	ioc->spi_data.Saf_Te = mpt_saf_te;
-	hd->mpt_pq_filter = mpt_pq_filter;
 
 	hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
 	ddvprintk((MYIOC_s_INFO_FMT
-		"saf_te %x mpt_pq_filter %x\n",
+		"saf_te %x\n",
 		ioc->name,
-		mpt_saf_te,
-		mpt_pq_filter));
+		mpt_saf_te));
 	ioc->spi_data.noQas = 0;
 
 	init_waitqueue_head(&hd->scandv_waitq);
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 36d511729f7..2146cf74425 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -132,6 +132,7 @@ static int __init dummy_init_module(void)
 	for (i = 0; i < numdummies && !err; i++)
 		err = dummy_init_one(i); 
 	if (err) { 
+		i--;
 		while (--i >= 0)
 			dummy_free_one(i);
 	}
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index f411bbb44f8..d304297c496 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -110,6 +110,9 @@ struct e1000_adapter;
 #define E1000_MIN_RXD                       80
 #define E1000_MAX_82544_RXD               4096
 
+/* this is the size past which hardware will drop packets when setting LPE=0 */
+#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
+
 /* Supported Rx Buffer Sizes */
 #define E1000_RXBUFFER_128   128    /* Used for packet split */
 #define E1000_RXBUFFER_256   256    /* Used for packet split */
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 6d3d4193450..da62db89742 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -36,7 +36,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
 #else
 #define DRIVERNAPI "-NAPI"
 #endif
-#define DRV_VERSION "7.1.9-k2"DRIVERNAPI
+#define DRV_VERSION "7.1.9-k4"DRIVERNAPI
 char e1000_driver_version[] = DRV_VERSION;
 static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -1068,7 +1068,7 @@ e1000_sw_init(struct e1000_adapter *adapter)
 
 	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
 
-	adapter->rx_buffer_len = MAXIMUM_ETHERNET_FRAME_SIZE;
+	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
 	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
 	hw->max_frame_size = netdev->mtu +
 			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
@@ -3148,7 +3148,6 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu)
 		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
 
 	/* adjust allocation if LPE protects us, and we aren't using SBP */
-#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
 	if (!adapter->hw.tbi_compatibility_on &&
 	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
 	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
@@ -3387,8 +3386,8 @@ e1000_intr(int irq, void *data, struct pt_regs *regs)
 		E1000_WRITE_REG(hw, IMC, ~0);
 		E1000_WRITE_FLUSH(hw);
 	}
-	if (likely(netif_rx_schedule_prep(&adapter->polling_netdev[0])))
-		__netif_rx_schedule(&adapter->polling_netdev[0]);
+	if (likely(netif_rx_schedule_prep(netdev)))
+		__netif_rx_schedule(netdev);
 	else
 		e1000_irq_enable(adapter);
 #else
@@ -3431,34 +3430,26 @@ e1000_clean(struct net_device *poll_dev, int *budget)
 {
 	struct e1000_adapter *adapter;
 	int work_to_do = min(*budget, poll_dev->quota);
-	int tx_cleaned = 0, i = 0, work_done = 0;
+	int tx_cleaned = 0, work_done = 0;
 
 	/* Must NOT use netdev_priv macro here. */
 	adapter = poll_dev->priv;
 
 	/* Keep link state information with original netdev */
-	if (!netif_carrier_ok(adapter->netdev))
+	if (!netif_carrier_ok(poll_dev))
 		goto quit_polling;
 
-	while (poll_dev != &adapter->polling_netdev[i]) {
-		i++;
-		BUG_ON(i == adapter->num_rx_queues);
+	/* e1000_clean is called per-cpu.  This lock protects
+	 * tx_ring[0] from being cleaned by multiple cpus
+	 * simultaneously.  A failure obtaining the lock means
+	 * tx_ring[0] is currently being cleaned anyway. */
+	if (spin_trylock(&adapter->tx_queue_lock)) {
+		tx_cleaned = e1000_clean_tx_irq(adapter,
+		                                &adapter->tx_ring[0]);
+		spin_unlock(&adapter->tx_queue_lock);
 	}
 
-	if (likely(adapter->num_tx_queues == 1)) {
-		/* e1000_clean is called per-cpu.  This lock protects
-		 * tx_ring[0] from being cleaned by multiple cpus
-		 * simultaneously.  A failure obtaining the lock means
-		 * tx_ring[0] is currently being cleaned anyway. */
-		if (spin_trylock(&adapter->tx_queue_lock)) {
-			tx_cleaned = e1000_clean_tx_irq(adapter,
-							&adapter->tx_ring[0]);
-			spin_unlock(&adapter->tx_queue_lock);
-		}
-	} else
-		tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]);
-
-	adapter->clean_rx(adapter, &adapter->rx_ring[i],
+	adapter->clean_rx(adapter, &adapter->rx_ring[0],
 	                  &work_done, work_to_do);
 
 	*budget -= work_done;
@@ -3466,7 +3457,7 @@ e1000_clean(struct net_device *poll_dev, int *budget)
 
 	/* If no Tx and not enough Rx work done, exit the polling mode */
 	if ((!tx_cleaned && (work_done == 0)) ||
-	   !netif_running(adapter->netdev)) {
+	   !netif_running(poll_dev)) {
 quit_polling:
 		netif_rx_complete(poll_dev);
 		e1000_irq_enable(adapter);
@@ -3681,6 +3672,9 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
 
 		length = le16_to_cpu(rx_desc->length);
 
+		/* adjust length to remove Ethernet CRC */
+		length -= 4;
+
 		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
 			/* All receives must fit into a single buffer */
 			E1000_DBG("%s: Receive packet consumed multiple"
@@ -3885,8 +3879,9 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 			pci_dma_sync_single_for_device(pdev,
 				ps_page_dma->ps_page_dma[0],
 				PAGE_SIZE, PCI_DMA_FROMDEVICE);
+			/* remove the CRC */
+			l1 -= 4;
 			skb_put(skb, l1);
-			length += l1;
 			goto copydone;
 		} /* if */
 		}
@@ -3905,6 +3900,10 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
 			skb->truesize += length;
 		}
 
+		/* strip the ethernet crc, problem is we're using pages now so
+		 * this whole operation can get a little cpu intensive */
+		pskb_trim(skb, skb->len - 4);
+
 copydone:
 		e1000_rx_checksum(adapter, staterr,
 				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
@@ -4752,6 +4751,7 @@ static void
 e1000_netpoll(struct net_device *netdev)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
+
 	disable_irq(adapter->pdev->irq);
 	e1000_intr(adapter->pdev->irq, netdev, NULL);
 	e1000_clean_tx_irq(adapter, adapter->tx_ring);
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 3a42afab503..43e3f33ed5e 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -271,6 +271,7 @@ static int __init ifb_init_module(void)
 	for (i = 0; i < numifbs && !err; i++)
 		err = ifb_init_one(i); 
 	if (err) { 
+		i--;
 		while (--i >= 0)
 			ifb_free_one(i);
 	}
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index d98f28c34e5..de91609ca11 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME		"sky2"
-#define DRV_VERSION		"1.4"
+#define DRV_VERSION		"1.5"
 #define PFX			DRV_NAME " "
 
 /*
@@ -2204,9 +2204,6 @@ static int sky2_poll(struct net_device *dev0, int *budget)
 	int work_done = 0;
 	u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
 
-	if (!~status)
-		goto out;
-
 	if (status & Y2_IS_HW_ERR)
 		sky2_hw_intr(hw);
 
@@ -2243,7 +2240,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
 
 	if (sky2_more_work(hw))
 		return 1;
-out:
+
 	netif_rx_complete(dev0);
 
 	sky2_read32(hw, B0_Y2_SP_LISR);
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index fb1d5a8a45c..647f62e9707 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -84,7 +84,7 @@ MODULE_DEVICE_TABLE(pci, spider_net_pci_tbl);
  *
  * returns the content of the specified SMMIO register.
  */
-static u32
+static inline u32
 spider_net_read_reg(struct spider_net_card *card, u32 reg)
 {
 	u32 value;
@@ -101,7 +101,7 @@ spider_net_read_reg(struct spider_net_card *card, u32 reg)
  * @reg: register to write to
  * @value: value to write into the specified SMMIO register
  */
-static void
+static inline void
 spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value)
 {
 	value = cpu_to_le32(value);
@@ -259,39 +259,10 @@ spider_net_get_mac_address(struct net_device *netdev)
  *
  * returns the status as in the dmac_cmd_status field of the descriptor
  */
-static enum spider_net_descr_status
+static inline int
 spider_net_get_descr_status(struct spider_net_descr *descr)
 {
-	u32 cmd_status;
-
-	cmd_status = descr->dmac_cmd_status;
-	cmd_status >>= SPIDER_NET_DESCR_IND_PROC_SHIFT;
-	/* no need to mask out any bits, as cmd_status is 32 bits wide only
-	 * (and unsigned) */
-	return cmd_status;
-}
-
-/**
- * spider_net_set_descr_status -- sets the status of a descriptor
- * @descr: descriptor to change
- * @status: status to set in the descriptor
- *
- * changes the status to the specified value. Doesn't change other bits
- * in the status
- */
-static void
-spider_net_set_descr_status(struct spider_net_descr *descr,
-			    enum spider_net_descr_status status)
-{
-	u32 cmd_status;
-	/* read the status */
-	cmd_status = descr->dmac_cmd_status;
-	/* clean the upper 4 bits */
-	cmd_status &= SPIDER_NET_DESCR_IND_PROC_MASKO;
-	/* add the status to it */
-	cmd_status |= ((u32)status)<<SPIDER_NET_DESCR_IND_PROC_SHIFT;
-	/* and write it back */
-	descr->dmac_cmd_status = cmd_status;
+	return descr->dmac_cmd_status & SPIDER_NET_DESCR_IND_PROC_MASK;
 }
 
 /**
@@ -328,24 +299,23 @@ spider_net_free_chain(struct spider_net_card *card,
 static int
 spider_net_init_chain(struct spider_net_card *card,
 		       struct spider_net_descr_chain *chain,
-		       struct spider_net_descr *start_descr, int no)
+		       struct spider_net_descr *start_descr,
+		       int direction, int no)
 {
 	int i;
 	struct spider_net_descr *descr;
 	dma_addr_t buf;
 
-	atomic_set(&card->rx_chain_refill,0);
-
 	descr = start_descr;
 	memset(descr, 0, sizeof(*descr) * no);
 
 	/* set up the hardware pointers in each descriptor */
 	for (i=0; i<no; i++, descr++) {
-		spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
+		descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
 
 		buf = pci_map_single(card->pdev, descr,
 				     SPIDER_NET_DESCR_SIZE,
-				     PCI_DMA_BIDIRECTIONAL);
+				     direction);
 
 		if (buf == DMA_ERROR_CODE)
 			goto iommu_error;
@@ -360,10 +330,11 @@ spider_net_init_chain(struct spider_net_card *card,
 	start_descr->prev = descr-1;
 
 	descr = start_descr;
-	for (i=0; i < no; i++, descr++) {
-		descr->next_descr_addr = descr->next->bus_addr;
-	}
+	if (direction == PCI_DMA_FROMDEVICE)
+		for (i=0; i < no; i++, descr++)
+			descr->next_descr_addr = descr->next->bus_addr;
 
+	spin_lock_init(&chain->lock);
 	chain->head = start_descr;
 	chain->tail = start_descr;
 
@@ -375,7 +346,7 @@ iommu_error:
 		if (descr->bus_addr)
 			pci_unmap_single(card->pdev, descr->bus_addr,
 					 SPIDER_NET_DESCR_SIZE,
-					 PCI_DMA_BIDIRECTIONAL);
+					 direction);
 	return -ENOMEM;
 }
 
@@ -396,7 +367,7 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card)
 			dev_kfree_skb(descr->skb);
 			pci_unmap_single(card->pdev, descr->buf_addr,
 					 SPIDER_NET_MAX_FRAME,
-					 PCI_DMA_BIDIRECTIONAL);
+					 PCI_DMA_FROMDEVICE);
 		}
 		descr = descr->next;
 	}
@@ -446,15 +417,16 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
 		skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset);
 	/* io-mmu-map the skb */
 	buf = pci_map_single(card->pdev, descr->skb->data,
-			     SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
+			SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
 	descr->buf_addr = buf;
 	if (buf == DMA_ERROR_CODE) {
 		dev_kfree_skb_any(descr->skb);
 		if (netif_msg_rx_err(card) && net_ratelimit())
 			pr_err("Could not iommu-map rx buffer\n");
-		spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
+		descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
 	} else {
-		descr->dmac_cmd_status = SPIDER_NET_DMAC_RX_CARDOWNED;
+		descr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED |
+					 SPIDER_NET_DMAC_NOINTR_COMPLETE;
 	}
 
 	return error;
@@ -468,7 +440,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
  * chip by writing to the appropriate register. DMA is enabled in
  * spider_net_enable_rxdmac.
  */
-static void
+static inline void
 spider_net_enable_rxchtails(struct spider_net_card *card)
 {
 	/* assume chain is aligned correctly */
@@ -483,7 +455,7 @@ spider_net_enable_rxchtails(struct spider_net_card *card)
  * spider_net_enable_rxdmac enables the DMA controller by setting RX_DMA_EN
  * in the GDADMACCNTR register
  */
-static void
+static inline void
 spider_net_enable_rxdmac(struct spider_net_card *card)
 {
 	wmb();
@@ -500,23 +472,24 @@ spider_net_enable_rxdmac(struct spider_net_card *card)
 static void
 spider_net_refill_rx_chain(struct spider_net_card *card)
 {
-	struct spider_net_descr_chain *chain;
-
-	chain = &card->rx_chain;
+	struct spider_net_descr_chain *chain = &card->rx_chain;
+	unsigned long flags;
 
 	/* one context doing the refill (and a second context seeing that
 	 * and omitting it) is ok. If called by NAPI, we'll be called again
 	 * as spider_net_decode_one_descr is called several times. If some
 	 * interrupt calls us, the NAPI is about to clean up anyway. */
-	if (atomic_inc_return(&card->rx_chain_refill) == 1)
-		while (spider_net_get_descr_status(chain->head) ==
-		       SPIDER_NET_DESCR_NOT_IN_USE) {
-			if (spider_net_prepare_rx_descr(card, chain->head))
-				break;
-			chain->head = chain->head->next;
-		}
+	if (!spin_trylock_irqsave(&chain->lock, flags))
+		return;
+
+	while (spider_net_get_descr_status(chain->head) ==
+			SPIDER_NET_DESCR_NOT_IN_USE) {
+		if (spider_net_prepare_rx_descr(card, chain->head))
+			break;
+		chain->head = chain->head->next;
+	}
 
-	atomic_dec(&card->rx_chain_refill);
+	spin_unlock_irqrestore(&chain->lock, flags);
 }
 
 /**
@@ -554,111 +527,6 @@ error:
 }
 
 /**
- * spider_net_release_tx_descr - processes a used tx descriptor
- * @card: card structure
- * @descr: descriptor to release
- *
- * releases a used tx descriptor (unmapping, freeing of skb)
- */
-static void
-spider_net_release_tx_descr(struct spider_net_card *card,
-			    struct spider_net_descr *descr)
-{
-	struct sk_buff *skb;
-
-	/* unmap the skb */
-	skb = descr->skb;
-	pci_unmap_single(card->pdev, descr->buf_addr, skb->len,
-			 PCI_DMA_BIDIRECTIONAL);
-
-	dev_kfree_skb_any(skb);
-
-	/* set status to not used */
-	spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
-}
-
-/**
- * spider_net_release_tx_chain - processes sent tx descriptors
- * @card: adapter structure
- * @brutal: if set, don't care about whether descriptor seems to be in use
- *
- * returns 0 if the tx ring is empty, otherwise 1.
- *
- * spider_net_release_tx_chain releases the tx descriptors that spider has
- * finished with (if non-brutal) or simply release tx descriptors (if brutal).
- * If some other context is calling this function, we return 1 so that we're
- * scheduled again (if we were scheduled) and will not loose initiative.
- */
-static int
-spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
-{
-	struct spider_net_descr_chain *tx_chain = &card->tx_chain;
-	enum spider_net_descr_status status;
-
-	if (atomic_inc_return(&card->tx_chain_release) != 1) {
-		atomic_dec(&card->tx_chain_release);
-		return 1;
-	}
-
-	for (;;) {
-		status = spider_net_get_descr_status(tx_chain->tail);
-		switch (status) {
-		case SPIDER_NET_DESCR_CARDOWNED:
-			if (!brutal)
-				goto out;
-			/* fallthrough, if we release the descriptors
-			 * brutally (then we don't care about
-			 * SPIDER_NET_DESCR_CARDOWNED) */
-		case SPIDER_NET_DESCR_RESPONSE_ERROR:
-		case SPIDER_NET_DESCR_PROTECTION_ERROR:
-		case SPIDER_NET_DESCR_FORCE_END:
-			if (netif_msg_tx_err(card))
-				pr_err("%s: forcing end of tx descriptor "
-				       "with status x%02x\n",
-				       card->netdev->name, status);
-			card->netdev_stats.tx_dropped++;
-			break;
-
-		case SPIDER_NET_DESCR_COMPLETE:
-			card->netdev_stats.tx_packets++;
-			card->netdev_stats.tx_bytes +=
-				tx_chain->tail->skb->len;
-			break;
-
-		default: /* any other value (== SPIDER_NET_DESCR_NOT_IN_USE) */
-			goto out;
-		}
-		spider_net_release_tx_descr(card, tx_chain->tail);
-		tx_chain->tail = tx_chain->tail->next;
-	}
-out:
-	atomic_dec(&card->tx_chain_release);
-
-	netif_wake_queue(card->netdev);
-
-	if (status == SPIDER_NET_DESCR_CARDOWNED)
-		return 1;
-	return 0;
-}
-
-/**
- * spider_net_cleanup_tx_ring - cleans up the TX ring
- * @card: card structure
- *
- * spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use
- * interrupts to cleanup our TX ring) and returns sent packets to the stack
- * by freeing them
- */
-static void
-spider_net_cleanup_tx_ring(struct spider_net_card *card)
-{
-	if ( (spider_net_release_tx_chain(card, 0)) &&
-	      (card->netdev->flags & IFF_UP) ) {
-		mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
-	}
-}
-
-/**
  * spider_net_get_multicast_hash - generates hash for multicast filter table
  * @addr: multicast address
  *
@@ -761,97 +629,6 @@ spider_net_disable_rxdmac(struct spider_net_card *card)
 }
 
 /**
- * spider_net_stop - called upon ifconfig down
- * @netdev: interface device structure
- *
- * always returns 0
- */
-int
-spider_net_stop(struct net_device *netdev)
-{
-	struct spider_net_card *card = netdev_priv(netdev);
-
-	tasklet_kill(&card->rxram_full_tl);
-	netif_poll_disable(netdev);
-	netif_carrier_off(netdev);
-	netif_stop_queue(netdev);
-	del_timer_sync(&card->tx_timer);
-
-	/* disable/mask all interrupts */
-	spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0);
-	spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, 0);
-	spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, 0);
-
-	/* free_irq(netdev->irq, netdev);*/
-	free_irq(to_pci_dev(netdev->class_dev.dev)->irq, netdev);
-
-	spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
-			     SPIDER_NET_DMA_TX_FEND_VALUE);
-
-	/* turn off DMA, force end */
-	spider_net_disable_rxdmac(card);
-
-	/* release chains */
-	spider_net_release_tx_chain(card, 1);
-
-	spider_net_free_chain(card, &card->tx_chain);
-	spider_net_free_chain(card, &card->rx_chain);
-
-	return 0;
-}
-
-/**
- * spider_net_get_next_tx_descr - returns the next available tx descriptor
- * @card: device structure to get descriptor from
- *
- * returns the address of the next descriptor, or NULL if not available.
- */
-static struct spider_net_descr *
-spider_net_get_next_tx_descr(struct spider_net_card *card)
-{
-	/* check, if head points to not-in-use descr */
-	if ( spider_net_get_descr_status(card->tx_chain.head) ==
-	     SPIDER_NET_DESCR_NOT_IN_USE ) {
-		return card->tx_chain.head;
-	} else {
-		return NULL;
-	}
-}
-
-/**
- * spider_net_set_txdescr_cmdstat - sets the tx descriptor command field
- * @descr: descriptor structure to fill out
- * @skb: packet to consider
- *
- * fills out the command and status field of the descriptor structure,
- * depending on hardware checksum settings.
- */
-static void
-spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr,
-			       struct sk_buff *skb)
-{
-	/* make sure the other fields in the descriptor are written */
-	wmb();
-
-	if (skb->ip_summed != CHECKSUM_HW) {
-		descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
-		return;
-	}
-
-	/* is packet ip?
-	 * if yes: tcp? udp? */
-	if (skb->protocol == htons(ETH_P_IP)) {
-		if (skb->nh.iph->protocol == IPPROTO_TCP)
-			descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_TCPCS;
-		else if (skb->nh.iph->protocol == IPPROTO_UDP)
-			descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_UDPCS;
-		else /* the stack should checksum non-tcp and non-udp
-			packets on his own: NETIF_F_IP_CSUM */
-			descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
-	}
-}
-
-/**
  * spider_net_prepare_tx_descr - fill tx descriptor with skb data
  * @card: card structure
  * @descr: descriptor structure to fill out
@@ -864,13 +641,12 @@ spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr,
  */
 static int
 spider_net_prepare_tx_descr(struct spider_net_card *card,
-			    struct spider_net_descr *descr,
 			    struct sk_buff *skb)
 {
+	struct spider_net_descr *descr = card->tx_chain.head;
 	dma_addr_t buf;
 
-	buf = pci_map_single(card->pdev, skb->data,
-			     skb->len, PCI_DMA_BIDIRECTIONAL);
+	buf = pci_map_single(card->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
 	if (buf == DMA_ERROR_CODE) {
 		if (netif_msg_tx_err(card) && net_ratelimit())
 			pr_err("could not iommu-map packet (%p, %i). "
@@ -880,10 +656,101 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
 
 	descr->buf_addr = buf;
 	descr->buf_size = skb->len;
+	descr->next_descr_addr = 0;
 	descr->skb = skb;
 	descr->data_status = 0;
 
-	spider_net_set_txdescr_cmdstat(descr,skb);
+	descr->dmac_cmd_status =
+			SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOCS;
+	if (skb->protocol == htons(ETH_P_IP))
+		switch (skb->nh.iph->protocol) {
+		case IPPROTO_TCP:
+			descr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP;
+			break;
+		case IPPROTO_UDP:
+			descr->dmac_cmd_status |= SPIDER_NET_DMAC_UDP;
+			break;
+		}
+
+	descr->prev->next_descr_addr = descr->bus_addr;
+
+	return 0;
+}
+
+/**
+ * spider_net_release_tx_descr - processes a used tx descriptor
+ * @card: card structure
+ * @descr: descriptor to release
+ *
+ * releases a used tx descriptor (unmapping, freeing of skb)
+ */
+static inline void
+spider_net_release_tx_descr(struct spider_net_card *card)
+{
+	struct spider_net_descr *descr = card->tx_chain.tail;
+	struct sk_buff *skb;
+
+	card->tx_chain.tail = card->tx_chain.tail->next;
+	descr->dmac_cmd_status |= SPIDER_NET_DESCR_NOT_IN_USE;
+
+	/* unmap the skb */
+	skb = descr->skb;
+	pci_unmap_single(card->pdev, descr->buf_addr, skb->len,
+			PCI_DMA_TODEVICE);
+	dev_kfree_skb_any(skb);
+}
+
+/**
+ * spider_net_release_tx_chain - processes sent tx descriptors
+ * @card: adapter structure
+ * @brutal: if set, don't care about whether descriptor seems to be in use
+ *
+ * returns 0 if the tx ring is empty, otherwise 1.
+ *
+ * spider_net_release_tx_chain releases the tx descriptors that spider has
+ * finished with (if non-brutal) or simply release tx descriptors (if brutal).
+ * If some other context is calling this function, we return 1 so that we're
+ * scheduled again (if we were scheduled) and will not loose initiative.
+ */
+static int
+spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
+{
+	struct spider_net_descr_chain *chain = &card->tx_chain;
+	int status;
+
+	spider_net_read_reg(card, SPIDER_NET_GDTDMACCNTR);
+
+	while (chain->tail != chain->head) {
+		status = spider_net_get_descr_status(chain->tail);
+		switch (status) {
+		case SPIDER_NET_DESCR_COMPLETE:
+			card->netdev_stats.tx_packets++;
+			card->netdev_stats.tx_bytes += chain->tail->skb->len;
+			break;
+
+		case SPIDER_NET_DESCR_CARDOWNED:
+			if (!brutal)
+				return 1;
+			/* fallthrough, if we release the descriptors
+			 * brutally (then we don't care about
+			 * SPIDER_NET_DESCR_CARDOWNED) */
+
+		case SPIDER_NET_DESCR_RESPONSE_ERROR:
+		case SPIDER_NET_DESCR_PROTECTION_ERROR:
+		case SPIDER_NET_DESCR_FORCE_END:
+			if (netif_msg_tx_err(card))
+				pr_err("%s: forcing end of tx descriptor "
+				       "with status x%02x\n",
+				       card->netdev->name, status);
+			card->netdev_stats.tx_errors++;
+			break;
+
+		default:
+			card->netdev_stats.tx_dropped++;
+			return 1;
+		}
+		spider_net_release_tx_descr(card);
+	}
 
 	return 0;
 }
@@ -896,18 +763,32 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
  * spider_net_kick_tx_dma writes the current tx chain head as start address
  * of the tx descriptor chain and enables the transmission DMA engine
  */
-static void
-spider_net_kick_tx_dma(struct spider_net_card *card,
-		       struct spider_net_descr *descr)
+static inline void
+spider_net_kick_tx_dma(struct spider_net_card *card)
 {
-	/* this is the only descriptor in the output chain.
-	 * Enable TX DMA */
+	struct spider_net_descr *descr;
 
-	spider_net_write_reg(card, SPIDER_NET_GDTDCHA,
-			     descr->bus_addr);
+	if (spider_net_read_reg(card, SPIDER_NET_GDTDMACCNTR) &
+			SPIDER_NET_TX_DMA_EN)
+		goto out;
 
-	spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
-			     SPIDER_NET_DMA_TX_VALUE);
+	descr = card->tx_chain.tail;
+	for (;;) {
+		if (spider_net_get_descr_status(descr) ==
+				SPIDER_NET_DESCR_CARDOWNED) {
+			spider_net_write_reg(card, SPIDER_NET_GDTDCHA,
+					descr->bus_addr);
+			spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
+					SPIDER_NET_DMA_TX_VALUE);
+			break;
+		}
+		if (descr == card->tx_chain.head)
+			break;
+		descr = descr->next;
+	}
+
+out:
+	mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
 }
 
 /**
@@ -915,47 +796,69 @@ spider_net_kick_tx_dma(struct spider_net_card *card,
  * @skb: packet to send out
  * @netdev: interface device structure
  *
- * returns 0 on success, <0 on failure
+ * returns 0 on success, !0 on failure
  */
 static int
 spider_net_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct spider_net_card *card = netdev_priv(netdev);
-	struct spider_net_descr *descr;
+	struct spider_net_descr_chain *chain = &card->tx_chain;
+	struct spider_net_descr *descr = chain->head;
+	unsigned long flags;
 	int result;
 
+	spin_lock_irqsave(&chain->lock, flags);
+
 	spider_net_release_tx_chain(card, 0);
 
-	descr = spider_net_get_next_tx_descr(card);
+	if (chain->head->next == chain->tail->prev) {
+		card->netdev_stats.tx_dropped++;
+		result = NETDEV_TX_LOCKED;
+		goto out;
+	}
 
-	if (!descr)
-		goto error;
+	if (spider_net_get_descr_status(descr) != SPIDER_NET_DESCR_NOT_IN_USE) {
+		result = NETDEV_TX_LOCKED;
+		goto out;
+	}
 
-	result = spider_net_prepare_tx_descr(card, descr, skb);
-	if (result)
-		goto error;
+	if (spider_net_prepare_tx_descr(card, skb) != 0) {
+		card->netdev_stats.tx_dropped++;
+		result = NETDEV_TX_BUSY;
+		goto out;
+	}
+
+	result = NETDEV_TX_OK;
 
+	spider_net_kick_tx_dma(card);
 	card->tx_chain.head = card->tx_chain.head->next;
 
-	if (spider_net_get_descr_status(descr->prev) !=
-	    SPIDER_NET_DESCR_CARDOWNED) {
-		/* make sure the current descriptor is in memory. Then
-		 * kicking it on again makes sense, if the previous is not
-		 * card-owned anymore. Check the previous descriptor twice
-		 * to omit an mb() in heavy traffic cases */
-		mb();
-		if (spider_net_get_descr_status(descr->prev) !=
-		    SPIDER_NET_DESCR_CARDOWNED)
-			spider_net_kick_tx_dma(card, descr);
-	}
+out:
+	spin_unlock_irqrestore(&chain->lock, flags);
+	netif_wake_queue(netdev);
+	return result;
+}
 
-	mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
+/**
+ * spider_net_cleanup_tx_ring - cleans up the TX ring
+ * @card: card structure
+ *
+ * spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use
+ * interrupts to cleanup our TX ring) and returns sent packets to the stack
+ * by freeing them
+ */
+static void
+spider_net_cleanup_tx_ring(struct spider_net_card *card)
+{
+	unsigned long flags;
 
-	return NETDEV_TX_OK;
+	spin_lock_irqsave(&card->tx_chain.lock, flags);
 
-error:
-	card->netdev_stats.tx_dropped++;
-	return NETDEV_TX_BUSY;
+	if ((spider_net_release_tx_chain(card, 0) != 0) &&
+	    (card->netdev->flags & IFF_UP))
+		spider_net_kick_tx_dma(card);
+
+	spin_unlock_irqrestore(&card->tx_chain.lock, flags);
 }
 
 /**
@@ -1002,7 +905,7 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
 
 	/* unmap descriptor */
 	pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_FRAME,
-			 PCI_DMA_BIDIRECTIONAL);
+			PCI_DMA_FROMDEVICE);
 
 	/* the cases we'll throw away the packet immediately */
 	if (data_error & SPIDER_NET_DESTROY_RX_FLAGS) {
@@ -1067,14 +970,11 @@ spider_net_pass_skb_up(struct spider_net_descr *descr,
 static int
 spider_net_decode_one_descr(struct spider_net_card *card, int napi)
 {
-	enum spider_net_descr_status status;
-	struct spider_net_descr *descr;
-	struct spider_net_descr_chain *chain;
+	struct spider_net_descr_chain *chain = &card->rx_chain;
+	struct spider_net_descr *descr = chain->tail;
+	int status;
 	int result;
 
-	chain = &card->rx_chain;
-	descr = chain->tail;
-
 	status = spider_net_get_descr_status(descr);
 
 	if (status == SPIDER_NET_DESCR_CARDOWNED) {
@@ -1103,7 +1003,7 @@ spider_net_decode_one_descr(struct spider_net_card *card, int napi)
 			       card->netdev->name, status);
 		card->netdev_stats.rx_dropped++;
 		pci_unmap_single(card->pdev, descr->buf_addr,
-				 SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
+				SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
 		dev_kfree_skb_irq(descr->skb);
 		goto refill;
 	}
@@ -1119,7 +1019,7 @@ spider_net_decode_one_descr(struct spider_net_card *card, int napi)
 	/* ok, we've got a packet in descr */
 	result = spider_net_pass_skb_up(descr, card, napi);
 refill:
-	spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
+	descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
 	/* change the descriptor state: */
 	if (!napi)
 		spider_net_refill_rx_chain(card);
@@ -1291,21 +1191,6 @@ spider_net_set_mac(struct net_device *netdev, void *p)
 }
 
 /**
- * spider_net_enable_txdmac - enables a TX DMA controller
- * @card: card structure
- *
- * spider_net_enable_txdmac enables the TX DMA controller by setting the
- * descriptor chain tail address
- */
-static void
-spider_net_enable_txdmac(struct spider_net_card *card)
-{
-	/* assume chain is aligned correctly */
-	spider_net_write_reg(card, SPIDER_NET_GDTDCHA,
-			     card->tx_chain.tail->bus_addr);
-}
-
-/**
  * spider_net_handle_rxram_full - cleans up RX ring upon RX RAM full interrupt
  * @card: card structure
  *
@@ -1653,7 +1538,6 @@ spider_net_enable_card(struct spider_net_card *card)
 		{ SPIDER_NET_GMRWOLCTRL, 0 },
 		{ SPIDER_NET_GTESTMD, 0x10000000 },
 		{ SPIDER_NET_GTTQMSK, 0x00400040 },
-		{ SPIDER_NET_GTESTMD, 0 },
 
 		{ SPIDER_NET_GMACINTEN, 0 },
 
@@ -1692,9 +1576,6 @@ spider_net_enable_card(struct spider_net_card *card)
 
 	spider_net_write_reg(card, SPIDER_NET_GRXDMAEN, SPIDER_NET_WOL_VALUE);
 
-	/* set chain tail adress for TX chain */
-	spider_net_enable_txdmac(card);
-
 	spider_net_write_reg(card, SPIDER_NET_GMACLENLMT,
 			     SPIDER_NET_LENLMT_VALUE);
 	spider_net_write_reg(card, SPIDER_NET_GMACMODE,
@@ -1709,6 +1590,9 @@ spider_net_enable_card(struct spider_net_card *card)
 			     SPIDER_NET_INT1_MASK_VALUE);
 	spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK,
 			     SPIDER_NET_INT2_MASK_VALUE);
+
+	spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
+			     SPIDER_NET_GDTDCEIDIS);
 }
 
 /**
@@ -1728,10 +1612,12 @@ spider_net_open(struct net_device *netdev)
 
 	result = -ENOMEM;
 	if (spider_net_init_chain(card, &card->tx_chain,
-			  card->descr, tx_descriptors))
+			card->descr,
+			PCI_DMA_TODEVICE, tx_descriptors))
 		goto alloc_tx_failed;
 	if (spider_net_init_chain(card, &card->rx_chain,
-			  card->descr + tx_descriptors, rx_descriptors))
+			card->descr + tx_descriptors,
+			PCI_DMA_FROMDEVICE, rx_descriptors))
 		goto alloc_rx_failed;
 
 	/* allocate rx skbs */
@@ -1938,7 +1824,7 @@ spider_net_workaround_rxramfull(struct spider_net_card *card)
 	/* empty sequencer data */
 	for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS;
 	     sequencer++) {
-		spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
+		spider_net_write_reg(card, SPIDER_NET_GSnPRGADR +
 				     sequencer * 8, 0x0);
 		for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) {
 			spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
@@ -1955,6 +1841,49 @@ spider_net_workaround_rxramfull(struct spider_net_card *card)
 }
 
 /**
+ * spider_net_stop - called upon ifconfig down
+ * @netdev: interface device structure
+ *
+ * always returns 0
+ */
+int
+spider_net_stop(struct net_device *netdev)
+{
+	struct spider_net_card *card = netdev_priv(netdev);
+
+	tasklet_kill(&card->rxram_full_tl);
+	netif_poll_disable(netdev);
+	netif_carrier_off(netdev);
+	netif_stop_queue(netdev);
+	del_timer_sync(&card->tx_timer);
+
+	/* disable/mask all interrupts */
+	spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0);
+	spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, 0);
+	spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, 0);
+
+	/* free_irq(netdev->irq, netdev);*/
+	free_irq(to_pci_dev(netdev->class_dev.dev)->irq, netdev);
+
+	spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
+			     SPIDER_NET_DMA_TX_FEND_VALUE);
+
+	/* turn off DMA, force end */
+	spider_net_disable_rxdmac(card);
+
+	/* release chains */
+	if (spin_trylock(&card->tx_chain.lock)) {
+		spider_net_release_tx_chain(card, 1);
+		spin_unlock(&card->tx_chain.lock);
+	}
+
+	spider_net_free_chain(card, &card->tx_chain);
+	spider_net_free_chain(card, &card->rx_chain);
+
+	return 0;
+}
+
+/**
  * spider_net_tx_timeout_task - task scheduled by the watchdog timeout
  * function (to be called not under interrupt status)
  * @data: data, is interface device structure
@@ -1982,7 +1911,7 @@ spider_net_tx_timeout_task(void *data)
 		goto out;
 
 	spider_net_open(netdev);
-	spider_net_kick_tx_dma(card, card->tx_chain.head);
+	spider_net_kick_tx_dma(card);
 	netif_device_attach(netdev);
 
 out:
@@ -2065,7 +1994,6 @@ spider_net_setup_netdev(struct spider_net_card *card)
 
 	pci_set_drvdata(card->pdev, netdev);
 
-	atomic_set(&card->tx_chain_release,0);
 	card->rxram_full_tl.data = (unsigned long) card;
 	card->rxram_full_tl.func =
 		(void (*)(unsigned long)) spider_net_handle_rxram_full;
@@ -2079,7 +2007,7 @@ spider_net_setup_netdev(struct spider_net_card *card)
 
 	spider_net_setup_netdev_ops(netdev);
 
-	netdev->features = NETIF_F_HW_CSUM;
+	netdev->features = NETIF_F_HW_CSUM | NETIF_F_LLTX;
 	/* some time: NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX |
 	 *		NETIF_F_HW_VLAN_FILTER */
 
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 3b8d951cf73..f6dcf180ae3 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -208,7 +208,10 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_DMA_RX_VALUE		0x80000000
 #define SPIDER_NET_DMA_RX_FEND_VALUE	0x00030003
 /* to set TX_DMA_EN */
-#define SPIDER_NET_DMA_TX_VALUE		0x80000000
+#define SPIDER_NET_TX_DMA_EN		0x80000000
+#define SPIDER_NET_GDTDCEIDIS		0x00000002
+#define SPIDER_NET_DMA_TX_VALUE		SPIDER_NET_TX_DMA_EN | \
+					SPIDER_NET_GDTDCEIDIS
 #define SPIDER_NET_DMA_TX_FEND_VALUE	0x00030003
 
 /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
@@ -329,55 +332,23 @@ enum spider_net_int2_status {
 				  (~SPIDER_NET_TXINT) & \
 				  (~SPIDER_NET_RXINT) )
 
-#define SPIDER_NET_GPREXEC		0x80000000
-#define SPIDER_NET_GPRDAT_MASK		0x0000ffff
+#define SPIDER_NET_GPREXEC			0x80000000
+#define SPIDER_NET_GPRDAT_MASK			0x0000ffff
 
-/* descriptor bits
- *
- * 1010					descriptor ready
- *     0				descr in middle of chain
- *      000				fixed to 0
- *
- *         0				no interrupt on completion
- *          000				fixed to 0
- *             1			no ipsec processing
- *              1			last descriptor for this frame
- *               00			no checksum
- *               10			tcp checksum
- *               11			udp checksum
- *
- *                 00			fixed to 0
- *                   0			fixed to 0
- *                    0			no interrupt on response errors
- *                     0		no interrupt on invalid descr
- *                      0		no interrupt on dma process termination
- *                       0		no interrupt on descr chain end
- *                        0		no interrupt on descr complete
- *
- *                         000		fixed to 0
- *                            0		response error interrupt status
- *                             0	invalid descr status
- *                              0	dma termination status
- *                               0	descr chain end status
- *                                0	descr complete status */
-#define SPIDER_NET_DMAC_CMDSTAT_NOCS	0xa00c0000
-#define SPIDER_NET_DMAC_CMDSTAT_TCPCS	0xa00e0000
-#define SPIDER_NET_DMAC_CMDSTAT_UDPCS	0xa00f0000
-#define SPIDER_NET_DESCR_IND_PROC_SHIFT	28
-#define SPIDER_NET_DESCR_IND_PROC_MASKO	0x0fffffff
-
-/* descr ready, descr is in middle of chain, get interrupt on completion */
-#define SPIDER_NET_DMAC_RX_CARDOWNED	0xa0800000
-
-enum spider_net_descr_status {
-	SPIDER_NET_DESCR_COMPLETE		= 0x00, /* used in rx and tx */
-	SPIDER_NET_DESCR_RESPONSE_ERROR		= 0x01, /* used in rx and tx */
-	SPIDER_NET_DESCR_PROTECTION_ERROR	= 0x02, /* used in rx and tx */
-	SPIDER_NET_DESCR_FRAME_END		= 0x04, /* used in rx */
-	SPIDER_NET_DESCR_FORCE_END		= 0x05, /* used in rx and tx */
-	SPIDER_NET_DESCR_CARDOWNED		= 0x0a, /* used in rx and tx */
-	SPIDER_NET_DESCR_NOT_IN_USE /* any other value */
-};
+#define SPIDER_NET_DMAC_NOINTR_COMPLETE		0x00800000
+#define SPIDER_NET_DMAC_NOCS			0x00040000
+#define SPIDER_NET_DMAC_TCP			0x00020000
+#define SPIDER_NET_DMAC_UDP			0x00030000
+#define SPIDER_NET_TXDCEST			0x08000000
+
+#define SPIDER_NET_DESCR_IND_PROC_MASK		0xF0000000
+#define SPIDER_NET_DESCR_COMPLETE		0x00000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_RESPONSE_ERROR		0x10000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_PROTECTION_ERROR	0x20000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_FRAME_END		0x40000000 /* used in rx */
+#define SPIDER_NET_DESCR_FORCE_END		0x50000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_CARDOWNED		0xA0000000 /* used in rx and tx */
+#define SPIDER_NET_DESCR_NOT_IN_USE		0xF0000000
 
 struct spider_net_descr {
 	/* as defined by the hardware */
@@ -398,7 +369,7 @@ struct spider_net_descr {
 } __attribute__((aligned(32)));
 
 struct spider_net_descr_chain {
-	/* we walk from tail to head */
+	spinlock_t lock;
 	struct spider_net_descr *head;
 	struct spider_net_descr *tail;
 };
@@ -453,8 +424,6 @@ struct spider_net_card {
 
 	struct spider_net_descr_chain tx_chain;
 	struct spider_net_descr_chain rx_chain;
-	atomic_t rx_chain_refill;
-	atomic_t tx_chain_release;
 
 	struct net_device_stats netdev_stats;
 
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 8673fd4c08c..c6f5bc3c042 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -3255,12 +3255,7 @@ static void __devexit happy_meal_pci_remove(struct pci_dev *pdev)
 }
 
 static struct pci_device_id happymeal_pci_ids[] = {
-	{
-	  .vendor	= PCI_VENDOR_ID_SUN,
-	  .device	= PCI_DEVICE_ID_SUN_HAPPYMEAL,
-	  .subvendor	= PCI_ANY_ID,
-	  .subdevice	= PCI_ANY_ID,
-	},
+	{ PCI_DEVICE(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_HAPPYMEAL) },
 	{ }			/* Terminating entry */
 };
 
@@ -3275,7 +3270,7 @@ static struct pci_driver hme_pci_driver = {
 
 static int __init happy_meal_pci_init(void)
 {
-	return pci_module_init(&hme_pci_driver);
+	return pci_register_driver(&hme_pci_driver);
 }
 
 static void happy_meal_pci_exit(void)
diff --git a/drivers/net/wan/c101.c b/drivers/net/wan/c101.c
index 2c09ec908a3..435e91ec462 100644
--- a/drivers/net/wan/c101.c
+++ b/drivers/net/wan/c101.c
@@ -197,7 +197,6 @@ static int c101_open(struct net_device *dev)
 	sca_out(IE0_TXINT, MSCI0_OFFSET + IE0, port);
 
 	set_carrier(port);
-	printk(KERN_DEBUG "0x%X\n", sca_in(MSCI1_OFFSET + ST3, port));
 
 	/* enable MSCI1 CDCD interrupt */
 	sca_out(IE1_CDCD, MSCI1_OFFSET + IE1, port);
@@ -449,4 +448,5 @@ module_exit(c101_cleanup);
 MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
 MODULE_DESCRIPTION("Moxa C101 serial port driver");
 MODULE_LICENSE("GPL v2");
-module_param(hw, charp, 0444);	/* hw=irq,ram:irq,... */
+module_param(hw, charp, 0444);
+MODULE_PARM_DESC(hw, "irq,ram:irq,...");
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index b81263eaede..fbaab5bf71e 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -107,6 +107,7 @@ int hdlc_ppp_ioctl(struct net_device *dev, struct ifreq *ifr)
 		dev->hard_header = NULL;
 		dev->type = ARPHRD_PPP;
 		dev->addr_len = 0;
+		netif_dormant_off(dev);
 		return 0;
 	}
 
diff --git a/drivers/net/wan/hdlc_raw.c b/drivers/net/wan/hdlc_raw.c
index 9456d31cb1c..f15aa6ba77f 100644
--- a/drivers/net/wan/hdlc_raw.c
+++ b/drivers/net/wan/hdlc_raw.c
@@ -82,6 +82,7 @@ int hdlc_raw_ioctl(struct net_device *dev, struct ifreq *ifr)
 		dev->type = ARPHRD_RAWHDLC;
 		dev->flags = IFF_POINTOPOINT | IFF_NOARP;
 		dev->addr_len = 0;
+		netif_dormant_off(dev);
 		return 0;
 	}
 
diff --git a/drivers/net/wan/hdlc_raw_eth.c b/drivers/net/wan/hdlc_raw_eth.c
index b1285cc8fee..d1884987f94 100644
--- a/drivers/net/wan/hdlc_raw_eth.c
+++ b/drivers/net/wan/hdlc_raw_eth.c
@@ -100,6 +100,7 @@ int hdlc_raw_eth_ioctl(struct net_device *dev, struct ifreq *ifr)
 		dev->tx_queue_len = old_qlen;
 		memcpy(dev->dev_addr, "\x00\x01", 2);
                 get_random_bytes(dev->dev_addr + 2, ETH_ALEN - 2);
+		netif_dormant_off(dev);
 		return 0;
 	}
 
diff --git a/drivers/net/wan/hdlc_x25.c b/drivers/net/wan/hdlc_x25.c
index 07e5eef1fe0..a867fb411f8 100644
--- a/drivers/net/wan/hdlc_x25.c
+++ b/drivers/net/wan/hdlc_x25.c
@@ -212,6 +212,7 @@ int hdlc_x25_ioctl(struct net_device *dev, struct ifreq *ifr)
 		dev->hard_header = NULL;
 		dev->type = ARPHRD_X25;
 		dev->addr_len = 0;
+		netif_dormant_off(dev);
 		return 0;
 	}
 
diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index e013b817cab..dcf46add3ad 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -564,4 +564,5 @@ module_exit(n2_cleanup);
 MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
 MODULE_DESCRIPTION("RISCom/N2 serial port driver");
 MODULE_LICENSE("GPL v2");
-module_param(hw, charp, 0444);	/* hw=io,irq,ram,ports:io,irq,... */
+module_param(hw, charp, 0444);
+MODULE_PARM_DESC(hw, "io,irq,ram,ports:io,irq,...");
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 4cd879cb9bd..1140302ff11 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -304,6 +304,7 @@ static int __init xpram_setup_sizes(unsigned long pages)
 {
 	unsigned long mem_needed;
 	unsigned long mem_auto;
+	unsigned long long size;
 	int mem_auto_no;
 	int i;
 
@@ -321,9 +322,19 @@ static int __init xpram_setup_sizes(unsigned long pages)
 	mem_needed = 0;
 	mem_auto_no = 0;
 	for (i = 0; i < xpram_devs; i++) {
-		if (sizes[i])
-			xpram_sizes[i] =
-				(memparse(sizes[i], &sizes[i]) + 3) & -4UL;
+		if (sizes[i]) {
+			size = simple_strtoull(sizes[i], &sizes[i], 0);
+			switch (sizes[i][0]) {
+			case 'g':
+			case 'G':
+				size <<= 20;
+				break;
+			case 'm':
+			case 'M':
+				size <<= 10;
+			}
+			xpram_sizes[i] = (size + 3) & -4UL;
+		}
 		if (xpram_sizes[i])
 			mem_needed += xpram_sizes[i];
 		else
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 95e285b2e25..7a84014f203 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1106,10 +1106,10 @@ raw3270_delete_device(struct raw3270 *rp)
 
 	/* Remove from device chain. */
 	mutex_lock(&raw3270_mutex);
-	if (rp->clttydev)
+	if (rp->clttydev && !IS_ERR(rp->clttydev))
 		class_device_destroy(class3270,
 				     MKDEV(IBM_TTY3270_MAJOR, rp->minor));
-	if (rp->cltubdev)
+	if (rp->cltubdev && !IS_ERR(rp->cltubdev))
 		class_device_destroy(class3270,
 				     MKDEV(IBM_FS3270_MAJOR, rp->minor));
 	list_del_init(&rp->list);
@@ -1173,21 +1173,37 @@ static struct attribute_group raw3270_attr_group = {
 	.attrs = raw3270_attrs,
 };
 
-static void
-raw3270_create_attributes(struct raw3270 *rp)
+static int raw3270_create_attributes(struct raw3270 *rp)
 {
-	//FIXME: check return code
-	sysfs_create_group(&rp->cdev->dev.kobj, &raw3270_attr_group);
-	rp->clttydev =
-		class_device_create(class3270, NULL,
-				    MKDEV(IBM_TTY3270_MAJOR, rp->minor),
-				    &rp->cdev->dev, "tty%s",
-				    rp->cdev->dev.bus_id);
-	rp->cltubdev =
-		class_device_create(class3270, NULL,
-				    MKDEV(IBM_FS3270_MAJOR, rp->minor),
-				    &rp->cdev->dev, "tub%s",
-				    rp->cdev->dev.bus_id);
+	int rc;
+
+	rc = sysfs_create_group(&rp->cdev->dev.kobj, &raw3270_attr_group);
+	if (rc)
+		goto out;
+
+	rp->clttydev = class_device_create(class3270, NULL,
+					   MKDEV(IBM_TTY3270_MAJOR, rp->minor),
+					   &rp->cdev->dev, "tty%s",
+					   rp->cdev->dev.bus_id);
+	if (IS_ERR(rp->clttydev)) {
+		rc = PTR_ERR(rp->clttydev);
+		goto out_ttydev;
+	}
+
+	rp->cltubdev = class_device_create(class3270, NULL,
+					   MKDEV(IBM_FS3270_MAJOR, rp->minor),
+					   &rp->cdev->dev, "tub%s",
+					   rp->cdev->dev.bus_id);
+	if (!IS_ERR(rp->cltubdev))
+		goto out;
+
+	rc = PTR_ERR(rp->cltubdev);
+	class_device_destroy(class3270, MKDEV(IBM_TTY3270_MAJOR, rp->minor));
+
+out_ttydev:
+	sysfs_remove_group(&rp->cdev->dev.kobj, &raw3270_attr_group);
+out:
+	return rc;
 }
 
 /*
@@ -1255,7 +1271,9 @@ raw3270_set_online (struct ccw_device *cdev)
 	rc = raw3270_reset_device(rp);
 	if (rc)
 		goto failure;
-	raw3270_create_attributes(rp);
+	rc = raw3270_create_attributes(rp);
+	if (rc)
+		goto failure;
 	set_bit(RAW3270_FLAGS_READY, &rp->flags);
 	mutex_lock(&raw3270_mutex);
 	list_for_each_entry(np, &raw3270_notifier, list)
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index a5c68e60fcf..643b6d07856 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -76,14 +76,22 @@ struct tape_class_device *register_tape_dev(
 				device,
 				"%s", tcd->device_name
 			);
-	sysfs_create_link(
+	rc = PTR_ERR(tcd->class_device);
+	if (rc)
+		goto fail_with_cdev;
+	rc = sysfs_create_link(
 		&device->kobj,
 		&tcd->class_device->kobj,
 		tcd->mode_name
 	);
+	if (rc)
+		goto fail_with_class_device;
 
 	return tcd;
 
+fail_with_class_device:
+	class_device_destroy(tape_class, tcd->char_device->dev);
+
 fail_with_cdev:
 	cdev_del(tcd->char_device);
 
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 122b4d8965c..2826aed9104 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -543,20 +543,24 @@ int
 tape_generic_probe(struct ccw_device *cdev)
 {
 	struct tape_device *device;
+	int ret;
 
 	device = tape_alloc_device();
 	if (IS_ERR(device))
 		return -ENODEV;
-	PRINT_INFO("tape device %s found\n", cdev->dev.bus_id);
+	ccw_device_set_options(cdev, CCWDEV_DO_PATHGROUP);
+	ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group);
+	if (ret) {
+		tape_put_device(device);
+		PRINT_ERR("probe failed for tape device %s\n", cdev->dev.bus_id);
+		return ret;
+	}
 	cdev->dev.driver_data = device;
+	cdev->handler = __tape_do_irq;
 	device->cdev = cdev;
 	device->cdev_id = busid_to_int(cdev->dev.bus_id);
-	cdev->handler = __tape_do_irq;
-
-	ccw_device_set_options(cdev, CCWDEV_DO_PATHGROUP);
-	sysfs_create_group(&cdev->dev.kobj, &tape_attr_group);
-
-	return 0;
+	PRINT_INFO("tape device %s found\n", cdev->dev.bus_id);
+	return ret;
 }
 
 static inline void
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 0df3af1f08d..828b2d334f0 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1068,6 +1068,7 @@ cmb_show_avg_sample_interval(struct device *dev, struct device_attribute *attr,
 	if (count) {
 		interval = cmb_data->last_update -
 			cdev->private->cmb_start_time;
+		interval = (interval * 1000) >> 12;
 		interval /= count;
 	} else
 		interval = -1;
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 20c8eb16f46..8a4b5812014 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -2686,9 +2686,17 @@ static struct attribute_group ctc_attr_group = {
 static int
 ctc_add_attributes(struct device *dev)
 {
-	device_create_file(dev, &dev_attr_loglevel);
-	device_create_file(dev, &dev_attr_stats);
-	return 0;
+	int rc;
+
+	rc = device_create_file(dev, &dev_attr_loglevel);
+	if (rc)
+		goto out;
+	rc = device_create_file(dev, &dev_attr_stats);
+	if (!rc)
+		goto out;
+	device_remove_file(dev, &dev_attr_loglevel);
+out:
+	return rc;
 }
 
 static void
@@ -2901,7 +2909,12 @@ ctc_new_device(struct ccwgroup_device *cgdev)
 		goto out;
 	}
 
-	ctc_add_attributes(&cgdev->dev);
+	if (ctc_add_attributes(&cgdev->dev)) {
+		ctc_netdev_unregister(dev);
+		dev->priv = NULL;
+		ctc_free_netdevice(dev, 1);
+		goto out;
+	}
 
 	strlcpy(privptr->fsm->name, dev->name, sizeof (privptr->fsm->name));
 
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 103c41470bd..5fff1f93973 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -8451,10 +8451,11 @@ __qeth_reboot_event_card(struct device *dev, void *data)
 static int
 qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
+	int ret;
 
-	driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
-			       __qeth_reboot_event_card);
-	return NOTIFY_DONE;
+	ret = driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL,
+				     __qeth_reboot_event_card);
+	return ret ? NOTIFY_BAD : NOTIFY_DONE;
 }
 
 
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c
index 16b59773c0b..935952ef88f 100644
--- a/drivers/sbus/sbus.c
+++ b/drivers/sbus/sbus.c
@@ -233,7 +233,7 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
 	sbus->ofdev.node = dp;
 	sbus->ofdev.dev.parent = NULL;
 	sbus->ofdev.dev.bus = &sbus_bus_type;
-	strcpy(sbus->ofdev.dev.bus_id, dp->path_component_name);
+	sprintf(sbus->ofdev.dev.bus_id, "sbus%d", num_sbus);
 
 	if (of_device_register(&sbus->ofdev) != 0)
 		printk(KERN_DEBUG "sbus: device registration error for %s!\n",
diff --git a/drivers/scsi/53c7xx.c b/drivers/scsi/53c7xx.c
index c690c2b89e4..acf292736b4 100644
--- a/drivers/scsi/53c7xx.c
+++ b/drivers/scsi/53c7xx.c
@@ -3451,12 +3451,12 @@ create_cmd (Scsi_Cmnd *cmd) {
     for (i = 0; cmd->use_sg ? (i < cmd->use_sg) : !i; cmd_datain += 4, 
 	cmd_dataout += 4, ++i) {
 	u32 vbuf = cmd->use_sg
-	    ? (u32)page_address(((struct scatterlist *)cmd->buffer)[i].page)+
-	      ((struct scatterlist *)cmd->buffer)[i].offset
+	    ? (u32)page_address(((struct scatterlist *)cmd->request_buffer)[i].page)+
+	      ((struct scatterlist *)cmd->request_buffer)[i].offset
 	    : (u32)(cmd->request_buffer);
 	u32 bbuf = virt_to_bus((void *)vbuf);
 	u32 count = cmd->use_sg ?
-	    ((struct scatterlist *)cmd->buffer)[i].length :
+	    ((struct scatterlist *)cmd->request_buffer)[i].length :
 	    cmd->request_bufflen;
 
 	/*
@@ -5417,7 +5417,7 @@ insn_to_offset (Scsi_Cmnd *cmd, u32 *insn) {
 
 	    if ((buffers = cmd->use_sg)) {
     	    	for (offset = 0, 
-		     	segment = (struct scatterlist *) cmd->buffer;
+		     	segment = (struct scatterlist *) cmd->request_buffer;
     	    	     buffers && !((found = ((ptr >= (char *)page_address(segment->page)+segment->offset) && 
     	    	    	    (ptr < ((char *)page_address(segment->page)+segment->offset+segment->length)))));
     	    	     --buffers, offset += segment->length, ++segment)
diff --git a/drivers/scsi/NCR53C9x.c b/drivers/scsi/NCR53C9x.c
index 8a4659e9410..085db4826e0 100644
--- a/drivers/scsi/NCR53C9x.c
+++ b/drivers/scsi/NCR53C9x.c
@@ -911,7 +911,7 @@ static void esp_get_dmabufs(struct NCR_ESP *esp, Scsi_Cmnd *sp)
 			sp->SCp.ptr =
 				(char *) virt_to_phys(sp->request_buffer);
 	} else {
-		sp->SCp.buffer = (struct scatterlist *) sp->buffer;
+		sp->SCp.buffer = (struct scatterlist *) sp->request_buffer;
 		sp->SCp.buffers_residual = sp->use_sg - 1;
 		sp->SCp.this_residual = sp->SCp.buffer->length;
 		if (esp->dma_mmu_get_scsi_sgl)
diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index a06f547e87f..d05681f9d81 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -114,7 +114,7 @@ MODULE_DESCRIPTION("NCR Dual700 SCSI Driver");
 MODULE_LICENSE("GPL");
 module_param(NCR_D700, charp, 0);
 
-static __u8 __initdata id_array[2*(MCA_MAX_SLOT_NR + 1)] =
+static __u8 __devinitdata id_array[2*(MCA_MAX_SLOT_NR + 1)] =
 	{ [0 ... 2*(MCA_MAX_SLOT_NR + 1)-1] = 7 };
 
 #ifdef MODULE
@@ -173,7 +173,7 @@ struct NCR_D700_private {
 	char			pad;
 };
 
-static int 
+static int __devinit
 NCR_D700_probe_one(struct NCR_D700_private *p, int siop, int irq,
 		   int slot, u32 region, int differential)
 {
@@ -243,7 +243,7 @@ NCR_D700_intr(int irq, void *data, struct pt_regs *regs)
  * essentially connectecd to the MCA bus independently, it is easier
  * to set them up as two separate host adapters, rather than one
  * adapter with two channels */
-static int
+static int __devinit
 NCR_D700_probe(struct device *dev)
 {
 	struct NCR_D700_private *p;
@@ -329,7 +329,7 @@ NCR_D700_probe(struct device *dev)
 	for (i = 0; i < 2; i++) {
 		int err;
 
-		if ((err = NCR_D700_probe_one(p, i, slot, irq,
+		if ((err = NCR_D700_probe_one(p, i, irq, slot,
 					      offset_addr + (0x80 * i),
 					      differential)) != 0)
 			printk("D700: SIOP%d: probe failed, error = %d\n",
@@ -349,7 +349,7 @@ NCR_D700_probe(struct device *dev)
 	return 0;
 }
 
-static void
+static void __devexit
 NCR_D700_remove_one(struct Scsi_Host *host)
 {
 	scsi_remove_host(host);
@@ -359,7 +359,7 @@ NCR_D700_remove_one(struct Scsi_Host *host)
 	release_region(host->base, 64);
 }
 
-static int
+static int __devexit
 NCR_D700_remove(struct device *dev)
 {
 	struct NCR_D700_private *p = dev_get_drvdata(dev);
@@ -380,7 +380,7 @@ static struct mca_driver NCR_D700_driver = {
 		.name		= "NCR_D700",
 		.bus		= &mca_bus_type,
 		.probe		= NCR_D700_probe,
-		.remove		= NCR_D700_remove,
+		.remove		= __devexit_p(NCR_D700_remove),
 	},
 };
 
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index 36e63f82d9f..f974869ea32 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -551,6 +551,11 @@ struct aha152x_hostdata {
 struct aha152x_scdata {
 	Scsi_Cmnd *next;	/* next sc in queue */
 	struct semaphore *sem;	/* semaphore to block on */
+	unsigned char cmd_len;
+	unsigned char cmnd[MAX_COMMAND_SIZE];
+	unsigned short use_sg;
+	unsigned request_bufflen;
+	void *request_buffer;
 };
 
 
@@ -1006,11 +1011,20 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct semaphore *sem, int p
 			return FAILED;
 		}
 	} else {
+		struct aha152x_scdata *sc;
+
 		SCpnt->host_scribble = kmalloc(sizeof(struct aha152x_scdata), GFP_ATOMIC);
 		if(SCpnt->host_scribble==0) {
 			printk(ERR_LEAD "allocation failed\n", CMDINFO(SCpnt));
 			return FAILED;
 		}
+
+		sc = SCDATA(SCpnt);
+		memcpy(sc->cmnd, SCpnt->cmnd, sizeof(sc->cmnd));
+		sc->request_buffer  = SCpnt->request_buffer;
+		sc->request_bufflen = SCpnt->request_bufflen;
+		sc->use_sg          = SCpnt->use_sg;
+		sc->cmd_len         = SCpnt->cmd_len;
 	}
 
 	SCNEXT(SCpnt)		= NULL;
@@ -1165,6 +1179,10 @@ static int aha152x_device_reset(Scsi_Cmnd * SCpnt)
 	DECLARE_MUTEX_LOCKED(sem);
 	struct timer_list timer;
 	int ret, issued, disconnected;
+	unsigned char old_cmd_len = SCpnt->cmd_len;
+	unsigned short old_use_sg = SCpnt->use_sg;
+	void *old_buffer = SCpnt->request_buffer;
+	unsigned old_bufflen = SCpnt->request_bufflen;
 	unsigned long flags;
 
 #if defined(AHA152X_DEBUG)
@@ -1198,11 +1216,11 @@ static int aha152x_device_reset(Scsi_Cmnd * SCpnt)
 	add_timer(&timer);
 	down(&sem);
 	del_timer(&timer);
-	
-	SCpnt->cmd_len         = SCpnt->old_cmd_len;
-	SCpnt->use_sg          = SCpnt->old_use_sg;
-  	SCpnt->request_buffer  = SCpnt->buffer;
-       	SCpnt->request_bufflen = SCpnt->bufflen;
+
+	SCpnt->cmd_len         = old_cmd_len;
+	SCpnt->use_sg          = old_use_sg;
+  	SCpnt->request_buffer  = old_buffer;
+       	SCpnt->request_bufflen = old_bufflen;
 
 	DO_LOCK(flags);
 
@@ -1565,6 +1583,9 @@ static void busfree_run(struct Scsi_Host *shpnt)
 #endif
 
 		if(DONE_SC->SCp.phase & check_condition) {
+			struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC;
+			struct aha152x_scdata *sc = SCDATA(cmd);
+
 #if 0
 			if(HOSTDATA(shpnt)->debug & debug_eh) {
 				printk(ERR_LEAD "received sense: ", CMDINFO(DONE_SC));
@@ -1573,13 +1594,13 @@ static void busfree_run(struct Scsi_Host *shpnt)
 #endif
 
 			/* restore old command */
-			memcpy((void *) DONE_SC->cmnd, (void *) DONE_SC->data_cmnd, sizeof(DONE_SC->data_cmnd));
-			DONE_SC->request_buffer  = DONE_SC->buffer;
-			DONE_SC->request_bufflen = DONE_SC->bufflen;
-			DONE_SC->use_sg          = DONE_SC->old_use_sg;
-			DONE_SC->cmd_len         = DONE_SC->old_cmd_len;
+			memcpy(cmd->cmnd, sc->cmnd, sizeof(sc->cmnd));
+			cmd->request_buffer  = sc->request_buffer;
+			cmd->request_bufflen = sc->request_bufflen;
+			cmd->use_sg          = sc->use_sg;
+			cmd->cmd_len         = sc->cmd_len;
 
-			DONE_SC->SCp.Status = 0x02;
+			cmd->SCp.Status = 0x02;
 
 			HOSTDATA(shpnt)->commands--;
 			if (!HOSTDATA(shpnt)->commands)
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index a1e8ca75859..653818d2f80 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -7289,7 +7289,7 @@ ahd_reset_cmds_pending(struct ahd_softc *ahd)
 	ahd->flags &= ~AHD_UPDATE_PEND_CMDS;
 }
 
-void
+static void
 ahd_done_with_status(struct ahd_softc *ahd, struct scb *scb, uint32_t status)
 {
 	cam_status ostat;
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index b244c712417..998999c0a97 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -243,25 +243,6 @@ ahd_print_path(struct ahd_softc *ahd, struct scb *scb)
 static uint32_t aic79xx_no_reset;
 
 /*
- * Certain PCI motherboards will scan PCI devices from highest to lowest,
- * others scan from lowest to highest, and they tend to do all kinds of
- * strange things when they come into contact with PCI bridge chips.  The
- * net result of all this is that the PCI card that is actually used to boot
- * the machine is very hard to detect.  Most motherboards go from lowest
- * PCI slot number to highest, and the first SCSI controller found is the
- * one you boot from.  The only exceptions to this are when a controller
- * has its BIOS disabled.  So, we by default sort all of our SCSI controllers
- * from lowest PCI slot number to highest PCI slot number.  We also force
- * all controllers with their BIOS disabled to the end of the list.  This
- * works on *almost* all computers.  Where it doesn't work, we have this
- * option.  Setting this option to non-0 will reverse the order of the sort
- * to highest first, then lowest, but will still leave cards with their BIOS
- * disabled at the very end.  That should fix everyone up unless there are
- * really strange cirumstances.
- */
-static uint32_t aic79xx_reverse_scan;
-
-/*
  * Should we force EXTENDED translation on a controller.
  *     0 == Use whatever is in the SEEPROM or default to off
  *     1 == Use whatever is in the SEEPROM or default to on
@@ -350,7 +331,6 @@ MODULE_PARM_DESC(aic79xx,
 "				periodically to prevent tag starvation.\n"
 "				This may be required by some older disk\n"
 "				or drives/RAID arrays.\n"
-"	reverse_scan		Sort PCI devices highest Bus/Slot to lowest\n"
 "	tag_info:<tag_str>	Set per-target tag depth\n"
 "	global_tag_depth:<int>	Global tag depth for all targets on all buses\n"
 "	slewrate:<slewrate_list>Set the signal slew rate (0-15).\n"
@@ -1031,7 +1011,6 @@ aic79xx_setup(char *s)
 #ifdef AHD_DEBUG
 		{ "debug", &ahd_debug },
 #endif
-		{ "reverse_scan", &aic79xx_reverse_scan },
 		{ "periodic_otag", &aic79xx_periodic_otag },
 		{ "pci_parity", &aic79xx_pci_parity },
 		{ "seltime", &aic79xx_seltime },
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index debf3e2a079..aa4be8a3141 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -353,7 +353,6 @@ MODULE_PARM_DESC(aic7xxx,
 "				periodically to prevent tag starvation.\n"
 "				This may be required by some older disk\n"
 "				drives or RAID arrays.\n"
-"	reverse_scan		Sort PCI devices highest Bus/Slot to lowest\n"
 "	tag_info:<tag_str>	Set per-target tag depth\n"
 "	global_tag_depth:<int>	Global tag depth for every target\n"
 "				on every bus\n"
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 007a14e5c3f..e397129c90d 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -507,7 +507,7 @@ static __inline__ void initialize_SCp(Scsi_Cmnd *cmd)
      */
 
     if (cmd->use_sg) {
-	cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
+	cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
 	cmd->SCp.buffers_residual = cmd->use_sg - 1;
 	cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page)+
 		       cmd->SCp.buffer->offset;
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index dddd2acce76..61f6024b61b 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -5,6 +5,7 @@
  * Additions for SCSI 3+ (SPC-3 T10/1416-D Rev 07 3 May 2002)
  *   by D. Gilbert and aeb (20020609)
  * Additions for SPC-3 T10/1416-D Rev 21 22 Sept 2004, D. Gilbert 20041025
+ * Update to SPC-4 T10/1713-D Rev 5a, 14 June 2006, D. Gilbert 20060702
  */
 
 #include <linux/blkdev.h>
@@ -36,55 +37,56 @@ static const char * cdb_byte0_names[] = {
 /* 00-03 */ "Test Unit Ready", "Rezero Unit/Rewind", NULL, "Request Sense",
 /* 04-07 */ "Format Unit/Medium", "Read Block Limits", NULL,
 	    "Reasssign Blocks",
-/* 08-0d */ "Read (6)", NULL, "Write (6)", "Seek (6)", NULL, NULL,
+/* 08-0d */ "Read(6)", NULL, "Write(6)", "Seek(6)", NULL, NULL,
 /* 0e-12 */ NULL, "Read Reverse", "Write Filemarks", "Space", "Inquiry",  
-/* 13-16 */ "Verify (6)", "Recover Buffered Data", "Mode Select (6)",
-	    "Reserve (6)",
-/* 17-1a */ "Release (6)", "Copy", "Erase", "Mode Sense (6)", 
+/* 13-16 */ "Verify(6)", "Recover Buffered Data", "Mode Select(6)",
+	    "Reserve(6)",
+/* 17-1a */ "Release(6)", "Copy", "Erase", "Mode Sense(6)",
 /* 1b-1d */ "Start/Stop Unit", "Receive Diagnostic", "Send Diagnostic", 
 /* 1e-1f */ "Prevent/Allow Medium Removal", NULL,
 /* 20-22 */  NULL, NULL, NULL,
 /* 23-28 */ "Read Format Capacities", "Set Window",
-	    "Read Capacity (10)", NULL, NULL, "Read (10)", 
-/* 29-2d */ "Read Generation", "Write (10)", "Seek (10)", "Erase (10)", 
-            "Read updated block", 
-/* 2e-31 */ "Write Verify (10)", "Verify (10)", "Search High", "Search Equal", 
+	    "Read Capacity(10)", NULL, NULL, "Read(10)",
+/* 29-2d */ "Read Generation", "Write(10)", "Seek(10)", "Erase(10)",
+            "Read updated block",
+/* 2e-31 */ "Write Verify(10)", "Verify(10)", "Search High", "Search Equal",
 /* 32-34 */ "Search Low", "Set Limits", "Prefetch/Read Position", 
-/* 35-37 */ "Synchronize Cache (10)", "Lock/Unlock Cache (10)",
+/* 35-37 */ "Synchronize Cache(10)", "Lock/Unlock Cache(10)",
 	    "Read Defect Data(10)", 
 /* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer", 
             "Read Buffer", 
-/* 3d-3f */ "Update Block", "Read Long (10)",  "Write Long (10)",
-/* 40-41 */ "Change Definition", "Write Same (10)",
+/* 3d-3f */ "Update Block", "Read Long(10)",  "Write Long(10)",
+/* 40-41 */ "Change Definition", "Write Same(10)",
 /* 42-48 */ "Read sub-channel", "Read TOC/PMA/ATIP", "Read density support",
-            "Play audio (10)", "Get configuration", "Play audio msf",
+            "Play audio(10)", "Get configuration", "Play audio msf",
             "Play audio track/index",
-/* 49-4f */ "Play track relative (10)", "Get event status notification",
+/* 49-4f */ "Play track relative(10)", "Get event status notification",
             "Pause/resume", "Log Select", "Log Sense", "Stop play/scan",
             NULL,
 /* 50-55 */ "Xdwrite", "Xpwrite, Read disk info", "Xdread, Read track info",
-            "Reserve track", "Send OPC info", "Mode Select (10)",
-/* 56-5b */ "Reserve (10)", "Release (10)", "Repair track", "Read master cue",
-            "Mode Sense (10)", "Close track/session",
+            "Reserve track", "Send OPC info", "Mode Select(10)",
+/* 56-5b */ "Reserve(10)", "Release(10)", "Repair track", "Read master cue",
+            "Mode Sense(10)", "Close track/session",
 /* 5c-5f */ "Read buffer capacity", "Send cue sheet", "Persistent reserve in",
             "Persistent reserve out",
 /* 60-67 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 /* 68-6f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 /* 70-77 */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 /* 78-7f */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, "Variable length",
-/* 80-84 */ "Xdwrite (16)", "Rebuild (16)", "Regenerate (16)", "Extended copy",
+/* 80-84 */ "Xdwrite(16)", "Rebuild(16)", "Regenerate(16)", "Extended copy",
             "Receive copy results",
-/* 85-89 */ "Memory Export In (16)", "Access control in", "Access control out",
-            "Read (16)", "Memory Export Out (16)",
-/* 8a-8f */ "Write (16)", NULL, "Read attributes", "Write attributes",
-            "Write and verify (16)", "Verify (16)",
-/* 90-94 */ "Pre-fetch (16)", "Synchronize cache (16)",
-            "Lock/unlock cache (16)", "Write same (16)", NULL,
+/* 85-89 */ "ATA command pass through(16)", "Access control in",
+	    "Access control out", "Read(16)", "Memory Export Out(16)",
+/* 8a-8f */ "Write(16)", NULL, "Read attributes", "Write attributes",
+            "Write and verify(16)", "Verify(16)",
+/* 90-94 */ "Pre-fetch(16)", "Synchronize cache(16)",
+            "Lock/unlock cache(16)", "Write same(16)", NULL,
 /* 95-99 */ NULL, NULL, NULL, NULL, NULL,
-/* 9a-9f */ NULL, NULL, NULL, NULL, "Service action in (16)",
-            "Service action out (16)",
-/* a0-a5 */ "Report luns", "Blank", "Send event", "Maintenance in",
-            "Maintenance out", "Move medium/play audio(12)",
+/* 9a-9f */ NULL, NULL, NULL, NULL, "Service action in(16)",
+            "Service action out(16)",
+/* a0-a5 */ "Report luns", "ATA command pass through(12)/Blank",
+            "Security protocol in", "Maintenance in", "Maintenance out",
+	    "Move medium/play audio(12)",
 /* a6-a9 */ "Exchange medium", "Move medium attached", "Read(12)",
             "Play track relative(12)",
 /* aa-ae */ "Write(12)", NULL, "Erase(12), Get Performance",
@@ -92,12 +94,12 @@ static const char * cdb_byte0_names[] = {
 /* af-b1 */ "Verify(12)", "Search data high(12)", "Search data equal(12)",
 /* b2-b4 */ "Search data low(12)", "Set limits(12)",
             "Read element status attached",
-/* b5-b6 */ "Request volume element address", "Send volume tag, set streaming",
+/* b5-b6 */ "Security protocol out", "Send volume tag, set streaming",
 /* b7-b9 */ "Read defect data(12)", "Read element status", "Read CD msf",
 /* ba-bc */ "Redundancy group (in), Scan",
-            "Redundancy group (out), Set cd-rom speed", "Spare in, Play cd",
-/* bd-bf */ "Spare out, Mechanism status", "Volume set in, Read cd",
-            "Volume set out, Send DVD structure",
+            "Redundancy group (out), Set cd-rom speed", "Spare (in), Play cd",
+/* bd-bf */ "Spare (out), Mechanism status", "Volume set (in), Read cd",
+            "Volume set (out), Send DVD structure",
 };
 
 struct value_name_pair {
@@ -112,6 +114,7 @@ static const struct value_name_pair maint_in_arr[] = {
 	{0xc, "Report supported operation codes"},
 	{0xd, "Report supported task management functions"},
 	{0xe, "Report priority"},
+	{0xf, "Report timestamp"},
 };
 #define MAINT_IN_SZ ARRAY_SIZE(maint_in_arr)
 
@@ -120,6 +123,7 @@ static const struct value_name_pair maint_out_arr[] = {
 	{0xa, "Set target port groups"},
 	{0xb, "Change aliases"},
 	{0xe, "Set priority"},
+	{0xe, "Set timestamp"},
 };
 #define MAINT_OUT_SZ ARRAY_SIZE(maint_out_arr)
 
@@ -427,6 +431,7 @@ static struct error_info additional[] =
 	{0x001A, "Rewind operation in progress"},
 	{0x001B, "Set capacity operation in progress"},
 	{0x001C, "Verify operation in progress"},
+	{0x001D, "ATA pass through information available"},
 
 	{0x0100, "No index/sector signal"},
 
@@ -438,7 +443,7 @@ static struct error_info additional[] =
 
 	{0x0400, "Logical unit not ready, cause not reportable"},
 	{0x0401, "Logical unit is in process of becoming ready"},
-	{0x0402, "Logical unit not ready, initializing cmd. required"},
+	{0x0402, "Logical unit not ready, initializing command required"},
 	{0x0403, "Logical unit not ready, manual intervention required"},
 	{0x0404, "Logical unit not ready, format in progress"},
 	{0x0405, "Logical unit not ready, rebuild in progress"},
@@ -478,6 +483,9 @@ static struct error_info additional[] =
 	{0x0B00, "Warning"},
 	{0x0B01, "Warning - specified temperature exceeded"},
 	{0x0B02, "Warning - enclosure degraded"},
+	{0x0B03, "Warning - background self-test failed"},
+	{0x0B04, "Warning - background pre-scan detected medium error"},
+	{0x0B05, "Warning - background medium scan detected medium error"},
 
 	{0x0C00, "Write error"},
 	{0x0C01, "Write error - recovered with auto reallocation"},
@@ -493,6 +501,7 @@ static struct error_info additional[] =
 	{0x0C0B, "Auxiliary memory write error"},
 	{0x0C0C, "Write error - unexpected unsolicited data"},
 	{0x0C0D, "Write error - not enough unsolicited data"},
+	{0x0C0F, "Defects in error window"},
 
 	{0x0D00, "Error detected by third party temporary initiator"},
 	{0x0D01, "Third party device failure"},
@@ -504,11 +513,12 @@ static struct error_info additional[] =
 	{0x0E00, "Invalid information unit"},
 	{0x0E01, "Information unit too short"},
 	{0x0E02, "Information unit too long"},
+	{0x0E03, "Invalid field in command information unit"},
 
 	{0x1000, "Id CRC or ECC error"},
-	{0x1001, "Data block guard check failed"},
-	{0x1002, "Data block application tag check failed"},
-	{0x1003, "Data block reference tag check failed"},
+	{0x1001, "Logical block guard check failed"},
+	{0x1002, "Logical block application tag check failed"},
+	{0x1003, "Logical block reference tag check failed"},
 
 	{0x1100, "Unrecovered read error"},
 	{0x1101, "Read retries exhausted"},
@@ -530,6 +540,7 @@ static struct error_info additional[] =
 	{0x1111, "Read error - loss of streaming"},
 	{0x1112, "Auxiliary memory read error"},
 	{0x1113, "Read error - failed retransmission request"},
+	{0x1114, "Read error - lba marked bad by application client"},
 
 	{0x1200, "Address mark not found for id field"},
 
@@ -610,11 +621,14 @@ static struct error_info additional[] =
 	{0x2100, "Logical block address out of range"},
 	{0x2101, "Invalid element address"},
 	{0x2102, "Invalid address for write"},
+	{0x2103, "Invalid write crossing layer jump"},
 
 	{0x2200, "Illegal function (use 20 00, 24 00, or 26 00)"},
 
 	{0x2400, "Invalid field in cdb"},
 	{0x2401, "CDB decryption error"},
+	{0x2402, "Obsolete"},
+	{0x2403, "Obsolete"},
 	{0x2404, "Security audit value frozen"},
 	{0x2405, "Security working key frozen"},
 	{0x2406, "Nonce not unique"},
@@ -637,7 +651,10 @@ static struct error_info additional[] =
 	{0x260C, "Invalid operation for copy source or destination"},
 	{0x260D, "Copy segment granularity violation"},
 	{0x260E, "Invalid parameter while port is enabled"},
-	{0x260F, "Invalid data-out buffer integrity"},
+	{0x260F, "Invalid data-out buffer integrity check value"},
+	{0x2610, "Data decryption key fail limit reached"},
+	{0x2611, "Incomplete key-associated data set"},
+	{0x2612, "Vendor specific key reference not found"},
 
 	{0x2700, "Write protected"},
 	{0x2701, "Hardware write protected"},
@@ -649,6 +666,7 @@ static struct error_info additional[] =
 
 	{0x2800, "Not ready to ready change, medium may have changed"},
 	{0x2801, "Import or export element accessed"},
+	{0x2802, "Format-layer may have changed"},
 
 	{0x2900, "Power on, reset, or bus device reset occurred"},
 	{0x2901, "Power on occurred"},
@@ -669,6 +687,11 @@ static struct error_info additional[] =
 	{0x2A07, "Implicit asymmetric access state transition failed"},
 	{0x2A08, "Priority changed"},
 	{0x2A09, "Capacity data has changed"},
+	{0x2A10, "Timestamp changed"},
+	{0x2A11, "Data encryption parameters changed by another i_t nexus"},
+	{0x2A12, "Data encryption parameters changed by vendor specific "
+		 "event"},
+	{0x2A13, "Data encryption key instance counter has changed"},
 
 	{0x2B00, "Copy cannot execute since host cannot disconnect"},
 
@@ -690,6 +713,7 @@ static struct error_info additional[] =
 	{0x2E00, "Insufficient time for operation"},
 
 	{0x2F00, "Commands cleared by another initiator"},
+	{0x2F01, "Commands cleared by power loss notification"},
 
 	{0x3000, "Incompatible medium installed"},
 	{0x3001, "Cannot read medium - unknown format"},
@@ -702,7 +726,8 @@ static struct error_info additional[] =
 	{0x3008, "Cannot write - application code mismatch"},
 	{0x3009, "Current session not fixated for append"},
 	{0x300A, "Cleaning request rejected"},
-	{0x300C, "WORM medium, overwrite attempted"},
+	{0x300C, "WORM medium - overwrite attempted"},
+	{0x300D, "WORM medium - integrity check"},
 	{0x3010, "Medium not formatted"},
 
 	{0x3100, "Medium format corrupted"},
@@ -790,6 +815,9 @@ static struct error_info additional[] =
 	{0x3F0F, "Echo buffer overwritten"},
 	{0x3F10, "Medium loadable"},
 	{0x3F11, "Medium auxiliary memory accessible"},
+	{0x3F12, "iSCSI IP address added"},
+	{0x3F13, "iSCSI IP address removed"},
+	{0x3F14, "iSCSI IP address changed"},
 /*
  *	{0x40NN, "Ram failure"},
  *	{0x40NN, "Diagnostic failure on component nn"},
@@ -799,6 +827,7 @@ static struct error_info additional[] =
 	{0x4300, "Message error"},
 
 	{0x4400, "Internal target failure"},
+	{0x4471, "ATA device failed set features"},
 
 	{0x4500, "Select or reselect failure"},
 
@@ -807,9 +836,10 @@ static struct error_info additional[] =
 	{0x4700, "Scsi parity error"},
 	{0x4701, "Data phase CRC error detected"},
 	{0x4702, "Scsi parity error detected during st data phase"},
-	{0x4703, "Information unit CRC error detected"},
+	{0x4703, "Information unit iuCRC error detected"},
 	{0x4704, "Asynchronous information protection error detected"},
 	{0x4705, "Protocol service CRC error"},
+	{0x4706, "Phy test function in progress"},
 	{0x477f, "Some commands cleared by iSCSI Protocol event"},
 
 	{0x4800, "Initiator detected error message received"},
@@ -844,6 +874,8 @@ static struct error_info additional[] =
 	{0x5300, "Media load or eject failed"},
 	{0x5301, "Unload tape failure"},
 	{0x5302, "Medium removal prevented"},
+	{0x5303, "Medium removal prevented by data transfer element"},
+	{0x5304, "Medium thread or unthread failure"},
 
 	{0x5400, "Scsi to host system interface failure"},
 
@@ -855,6 +887,7 @@ static struct error_info additional[] =
 	{0x5505, "Insufficient access control resources"},
 	{0x5506, "Auxiliary memory out of space"},
 	{0x5507, "Quota error"},
+	{0x5508, "Maximum number of supplemental decryption keys exceeded"},
 
 	{0x5700, "Unable to recover table-of-contents"},
 
@@ -1004,6 +1037,7 @@ static struct error_info additional[] =
 	{0x6708, "Assign failure occurred"},
 	{0x6709, "Multiply assigned logical unit"},
 	{0x670A, "Set target port groups command failed"},
+	{0x670B, "ATA device feature not enabled"},
 
 	{0x6800, "Logical unit not configured"},
 
@@ -1030,6 +1064,8 @@ static struct error_info additional[] =
 	{0x6F03, "Read of scrambled sector without authentication"},
 	{0x6F04, "Media region code is mismatched to logical unit region"},
 	{0x6F05, "Drive region must be permanent/region reset count error"},
+	{0x6F06, "Insufficient block count for binding nonce recording"},
+	{0x6F07, "Conflict in binding nonce recording"},
 /*
  *	{0x70NN, "Decompression exception short algorithm id of nn"},
  */
@@ -1041,6 +1077,8 @@ static struct error_info additional[] =
 	{0x7203, "Session fixation error - incomplete track in session"},
 	{0x7204, "Empty or partially written reserved track"},
 	{0x7205, "No more track reservations allowed"},
+	{0x7206, "RMZ extension is not allowed"},
+	{0x7207, "No more test zone extensions are allowed"},
 
 	{0x7300, "Cd control error"},
 	{0x7301, "Power calibration area almost full"},
@@ -1049,6 +1087,18 @@ static struct error_info additional[] =
 	{0x7304, "Program memory area update failure"},
 	{0x7305, "Program memory area is full"},
 	{0x7306, "RMA/PMA is almost full"},
+	{0x7310, "Current power calibration area almost full"},
+	{0x7311, "Current power calibration area is full"},
+	{0x7317, "RDZ is full"},
+
+	{0x7400, "Security error"},
+	{0x7401, "Unable to decrypt data"},
+	{0x7402, "Unencrypted data encountered while decrypting"},
+	{0x7403, "Incorrect data encryption key"},
+	{0x7404, "Cryptographic integrity validation failed"},
+	{0x7405, "Error decrypting data"},
+	{0x7471, "Logical unit access not authorized"},
+
 	{0, NULL}
 };
 
diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c
index 10573c24a50..eaf64c7e54e 100644
--- a/drivers/scsi/esp.c
+++ b/drivers/scsi/esp.c
@@ -1397,7 +1397,7 @@ static void esp_get_dmabufs(struct esp *esp, struct scsi_cmnd *sp)
 			sp->SCp.ptr = NULL;
 		}
 	} else {
-		sp->SCp.buffer = (struct scatterlist *) sp->buffer;
+		sp->SCp.buffer = (struct scatterlist *) sp->request_buffer;
 		sp->SCp.buffers_residual = sbus_map_sg(esp->sdev,
 						       sp->SCp.buffer,
 						       sp->use_sg,
@@ -1410,7 +1410,7 @@ static void esp_get_dmabufs(struct esp *esp, struct scsi_cmnd *sp)
 static void esp_release_dmabufs(struct esp *esp, struct scsi_cmnd *sp)
 {
 	if (sp->use_sg) {
-		sbus_unmap_sg(esp->sdev, sp->buffer, sp->use_sg,
+		sbus_unmap_sg(esp->sdev, sp->request_buffer, sp->use_sg,
 			      sp->sc_data_direction);
 	} else if (sp->request_bufflen) {
 		sbus_unmap_single(esp->sdev,
diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c
index 7eed0b09817..6aeb5f003c3 100644
--- a/drivers/scsi/ibmvscsi/iseries_vscsi.c
+++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c
@@ -81,7 +81,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 	int rc;
 
 	single_host_data = hostdata;
-	rc = viopath_open(viopath_hostLp, viomajorsubtype_scsi, 0);
+	rc = viopath_open(viopath_hostLp, viomajorsubtype_scsi, max_requests);
 	if (rc < 0) {
 		printk("viopath_open failed with rc %d in open_event_path\n",
 		       rc);
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 242b8873b33..ed22b96580c 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -238,6 +238,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 	if (rc == 2) {
 		/* Adapter is good, but other end is not ready */
 		printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
+		retrc = 0;
 	} else if (rc != 0) {
 		printk(KERN_WARNING "ibmvscsi: Error %d opening adapter\n", rc);
 		goto reg_crq_failed;
diff --git a/drivers/scsi/jazz_esp.c b/drivers/scsi/jazz_esp.c
index 3fd8a96f2af..bfac4441d89 100644
--- a/drivers/scsi/jazz_esp.c
+++ b/drivers/scsi/jazz_esp.c
@@ -257,7 +257,7 @@ static void dma_mmu_release_scsi_one (struct NCR_ESP *esp, struct scsi_cmnd *sp)
 static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, struct scsi_cmnd *sp)
 {
     int sz = sp->use_sg - 1;
-    struct scatterlist *sg = (struct scatterlist *)sp->buffer;
+    struct scatterlist *sg = (struct scatterlist *)sp->request_buffer;
 			
     while(sz >= 0) {
 	vdma_free(sg[sz].dma_address);
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index f81691fcf17..d44f9aac6b8 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -21,10 +21,12 @@
 
 struct lpfc_sli2_slim;
 
-#define LPFC_MAX_TARGET         256	/* max targets supported */
-#define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els req */
-#define LPFC_MAX_NS_RETRY       3	/* max NameServer retries */
 
+#define LPFC_MAX_TARGET		256	/* max number of targets supported */
+#define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els
+					   requests */
+#define LPFC_MAX_NS_RETRY	3	/* Number of retry attempts to contact
+					   the NameServer  before giving up. */
 #define LPFC_DFT_HBA_Q_DEPTH	2048	/* max cmds per hba */
 #define LPFC_LC_HBA_Q_DEPTH	1024	/* max cmds per low cost hba */
 #define LPFC_LP101_HBA_Q_DEPTH	128	/* max cmds per low cost hba */
@@ -41,7 +43,6 @@ struct lpfc_sli2_slim;
 			     (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
 /* Provide maximum configuration definitions. */
 #define LPFC_DRVR_TIMEOUT	16	/* driver iocb timeout value in sec */
-#define MAX_FCP_TARGET		256	/* max num of FCP targets supported */
 #define FC_MAX_ADPTMSG		64
 
 #define MAX_HBAEVT	32
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b62a72dfab2..5c68cdd8736 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -219,9 +219,19 @@ lpfc_issue_lip(struct Scsi_Host *host)
 		return -ENOMEM;
 
 	memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
-	lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
+	pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
+	pmboxq->mb.mbxOwner = OWN_HOST;
+
 	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
 
+	if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
+		memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+		lpfc_init_link(phba, pmboxq, phba->cfg_topology,
+			       phba->cfg_link_speed);
+		mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+						     phba->fc_ratov * 2);
+	}
+
 	if (mbxstatus == MBX_TIMEOUT)
 		pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 	else
@@ -233,51 +243,53 @@ lpfc_issue_lip(struct Scsi_Host *host)
 	return 0;
 }
 
-static ssize_t
-lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
+static int
+lpfc_selective_reset(struct lpfc_hba *phba)
 {
-	struct Scsi_Host *host = class_to_shost(cdev);
-	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
-	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
+	struct completion online_compl;
+	int status = 0;
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_OFFLINE);
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	init_completion(&online_compl);
+	lpfc_workq_post_event(phba, &status, &online_compl,
+			      LPFC_EVT_ONLINE);
+	wait_for_completion(&online_compl);
+
+	if (status != 0)
+		return -EIO;
+
+	return 0;
 }
 
 static ssize_t
-lpfc_board_online_show(struct class_device *cdev, char *buf)
+lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
 {
 	struct Scsi_Host *host = class_to_shost(cdev);
 	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
+	int status = -EINVAL;
 
-	if (phba->fc_flag & FC_OFFLINE_MODE)
-		return snprintf(buf, PAGE_SIZE, "0\n");
+	if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
+		status = lpfc_selective_reset(phba);
+
+	if (status == 0)
+		return strlen(buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "1\n");
+		return status;
 }
 
 static ssize_t
-lpfc_board_online_store(struct class_device *cdev, const char *buf,
-								size_t count)
+lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
 {
 	struct Scsi_Host *host = class_to_shost(cdev);
 	struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
-	struct completion online_compl;
-	int val=0, status=0;
-
-	if (sscanf(buf, "%d", &val) != 1)
-		return -EINVAL;
-
-	init_completion(&online_compl);
-
-	if (val)
-		lpfc_workq_post_event(phba, &status, &online_compl,
-							LPFC_EVT_ONLINE);
-	else
-		lpfc_workq_post_event(phba, &status, &online_compl,
-							LPFC_EVT_OFFLINE);
-	wait_for_completion(&online_compl);
-	if (!status)
-		return strlen(buf);
-	else
-		return -EIO;
+	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 }
 
 static ssize_t
@@ -532,10 +544,9 @@ static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
 			 NULL);
 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
 			 NULL);
-static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
-			 lpfc_board_online_show, lpfc_board_online_store);
 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
 			 lpfc_board_mode_show, lpfc_board_mode_store);
+static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
 
 static int lpfc_poll = 0;
 module_param(lpfc_poll, int, 0);
@@ -695,12 +706,12 @@ LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
 		 "during discovery");
 
 /*
-# lpfc_max_luns: maximum number of LUNs per target driver will support
-# Value range is [1,32768]. Default value is 256.
-# NOTE: The SCSI layer will scan each target for this many luns
+# lpfc_max_luns: maximum allowed LUN.
+# Value range is [0,65535]. Default value is 255.
+# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
 */
-LPFC_ATTR_R(max_luns, 256, 1, 32768,
-	     "Maximum number of LUNs per target driver will support");
+LPFC_ATTR_R(max_luns, 255, 0, 65535,
+	     "Maximum allowed LUN");
 
 /*
 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
@@ -739,8 +750,8 @@ struct class_device_attribute *lpfc_host_attrs[] = {
 	&class_device_attr_lpfc_max_luns,
 	&class_device_attr_nport_evt_cnt,
 	&class_device_attr_management_version,
-	&class_device_attr_board_online,
 	&class_device_attr_board_mode,
+	&class_device_attr_issue_reset,
 	&class_device_attr_lpfc_poll,
 	&class_device_attr_lpfc_poll_tmo,
 	NULL,
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index ee22173fce4..517e9e4dd46 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -147,6 +147,7 @@ int lpfc_sli_hba_setup(struct lpfc_hba *);
 int lpfc_sli_hba_down(struct lpfc_hba *);
 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
+int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 				    struct lpfc_sli_ring *, uint32_t);
 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4126fd87956..b89f6cb641e 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -648,33 +648,32 @@ lpfc_more_plogi(struct lpfc_hba * phba)
 }
 
 static struct lpfc_nodelist *
-lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
+lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp,
 			 struct lpfc_nodelist *ndlp)
 {
 	struct lpfc_nodelist *new_ndlp;
-	struct lpfc_dmabuf *pcmd, *prsp;
 	uint32_t *lp;
 	struct serv_parm *sp;
 	uint8_t name[sizeof (struct lpfc_name)];
 	uint32_t rc;
 
-	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
-	prsp = (struct lpfc_dmabuf *) pcmd->list.next;
 	lp = (uint32_t *) prsp->virt;
 	sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
+	memset(name, 0, sizeof (struct lpfc_name));
 
 	/* Now we to find out if the NPort we are logging into, matches the WWPN
 	 * we have for that ndlp. If not, we have some work to do.
 	 */
 	new_ndlp = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL, &sp->portName);
 
-	memset(name, 0, sizeof (struct lpfc_name));
-	rc =  memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name));
-	if (!rc || (new_ndlp == ndlp)) {
+	if (new_ndlp == ndlp)
 		return ndlp;
-	}
 
 	if (!new_ndlp) {
+		rc =
+		   memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name));
+		if (!rc)
+			return ndlp;
 		new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
 		if (!new_ndlp)
 			return ndlp;
@@ -683,17 +682,21 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 	}
 
 	lpfc_unreg_rpi(phba, new_ndlp);
-	new_ndlp->nlp_prev_state = ndlp->nlp_state;
 	new_ndlp->nlp_DID = ndlp->nlp_DID;
-	new_ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
-	lpfc_nlp_list(phba, new_ndlp, NLP_PLOGI_LIST);
+	new_ndlp->nlp_prev_state = ndlp->nlp_prev_state;
+	new_ndlp->nlp_state = ndlp->nlp_state;
+	lpfc_nlp_list(phba, new_ndlp, ndlp->nlp_flag & NLP_LIST_MASK);
 
 	/* Move this back to NPR list */
-	lpfc_unreg_rpi(phba, ndlp);
-	ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */
-	ndlp->nlp_state = NLP_STE_NPR_NODE;
-	lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
-
+	if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) {
+		lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+	}
+	else {
+		lpfc_unreg_rpi(phba, ndlp);
+		ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */
+		ndlp->nlp_state = NLP_STE_NPR_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
+	}
 	return new_ndlp;
 }
 
@@ -703,6 +706,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 {
 	IOCB_t *irsp;
 	struct lpfc_nodelist *ndlp;
+	struct lpfc_dmabuf *prsp;
 	int disc, rc, did, type;
 
 
@@ -769,7 +773,10 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 		}
 	} else {
 		/* Good status, call state machine */
-		ndlp = lpfc_plogi_confirm_nport(phba, cmdiocb, ndlp);
+		prsp = list_entry(((struct lpfc_dmabuf *)
+			cmdiocb->context2)->list.next,
+			struct lpfc_dmabuf, list);
+		ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp);
 		rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb,
 					NLP_EVT_CMPL_PLOGI);
 	}
@@ -3282,10 +3289,9 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba)
 		} else
 			lpfc_sli_release_iocbq(phba, piocb);
 	}
-	if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) {
-		phba->els_tmofunc.expires = jiffies + HZ * timeout;
-		add_timer(&phba->els_tmofunc);
-	}
+	if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt)
+		mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout);
+
 	spin_unlock_irq(phba->host->host_lock);
 }
 
@@ -3442,6 +3448,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
 		if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
 			ndlp->nlp_type |= NLP_FABRIC;
 		}
+		ndlp->nlp_state = NLP_STE_UNUSED_NODE;
+		lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
 	}
 
 	phba->fc_stat.elsRcvFrame++;
@@ -3463,13 +3471,14 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
 			rjt_err = 1;
 			break;
 		}
+		ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp);
 		lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI);
 		break;
 	case ELS_CMD_FLOGI:
 		phba->fc_stat.elsRcvFLOGI++;
 		lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	case ELS_CMD_LOGO:
@@ -3492,7 +3501,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
 		phba->fc_stat.elsRcvRSCN++;
 		lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	case ELS_CMD_ADISC:
@@ -3535,28 +3544,28 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
 		phba->fc_stat.elsRcvLIRR++;
 		lpfc_els_rcv_lirr(phba, elsiocb, ndlp);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	case ELS_CMD_RPS:
 		phba->fc_stat.elsRcvRPS++;
 		lpfc_els_rcv_rps(phba, elsiocb, ndlp);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	case ELS_CMD_RPL:
 		phba->fc_stat.elsRcvRPL++;
 		lpfc_els_rcv_rpl(phba, elsiocb, ndlp);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	case ELS_CMD_RNID:
 		phba->fc_stat.elsRcvRNID++;
 		lpfc_els_rcv_rnid(phba, elsiocb, ndlp);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	default:
@@ -3568,7 +3577,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
 				"%d:0115 Unknown ELS command x%x received from "
 				"NPORT x%x\n", phba->brd_no, cmd, did);
 		if (newnode) {
-			mempool_free( ndlp, phba->nlp_mem_pool);
+			lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
 		}
 		break;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index adb086009ae..4d6cf990c4f 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1084,7 +1084,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba,
 		fc_remote_port_rolechg(rport, rport_ids.roles);
 
 	if ((rport->scsi_target_id != -1) &&
-		(rport->scsi_target_id < MAX_FCP_TARGET)) {
+		(rport->scsi_target_id < LPFC_MAX_TARGET)) {
 		ndlp->nlp_sid = rport->scsi_target_id;
 	}
 
@@ -1313,7 +1313,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
 			if ((rport_add == mapped) &&
 			    ((!nlp->rport) ||
 			     (nlp->rport->scsi_target_id == -1) ||
-			     (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
+			     (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) {
 				nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
 				spin_lock_irq(phba->host->host_lock);
 				nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 81755a3f7c6..ef47b824cbe 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -71,6 +71,7 @@ lpfc_config_port_prep(struct lpfc_hba * phba)
 	uint16_t offset = 0;
 	static char licensed[56] =
 		    "key unlock for use with gnu public licensed code only\0";
+	static int init_key = 1;
 
 	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!pmb) {
@@ -82,10 +83,13 @@ lpfc_config_port_prep(struct lpfc_hba * phba)
 	phba->hba_state = LPFC_INIT_MBX_CMDS;
 
 	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
-		uint32_t *ptext = (uint32_t *) licensed;
+		if (init_key) {
+			uint32_t *ptext = (uint32_t *) licensed;
 
-		for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
-			*ptext = cpu_to_be32(*ptext);
+			for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
+				*ptext = cpu_to_be32(*ptext);
+			init_key = 0;
+		}
 
 		lpfc_read_nv(phba, pmb);
 		memset((char*)mb->un.varRDnvp.rsvd3, 0,
@@ -405,19 +409,26 @@ lpfc_config_port_post(struct lpfc_hba * phba)
 	}
 	/* MBOX buffer will be freed in mbox compl */
 
-	i = 0;
+	return (0);
+}
+
+static int
+lpfc_discovery_wait(struct lpfc_hba *phba)
+{
+	int i = 0;
+
 	while ((phba->hba_state != LPFC_HBA_READY) ||
 	       (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
 	       ((phba->fc_map_cnt == 0) && (i<2)) ||
-	       (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
+	       (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
 		/* Check every second for 30 retries. */
 		i++;
 		if (i > 30) {
-			break;
+			return -ETIMEDOUT;
 		}
 		if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
 			/* The link is down.  Set linkdown timeout */
-			break;
+			return -ETIMEDOUT;
 		}
 
 		/* Delay for 1 second to give discovery time to complete. */
@@ -425,12 +436,7 @@ lpfc_config_port_post(struct lpfc_hba * phba)
 
 	}
 
-	/* Since num_disc_nodes keys off of PLOGI, delay a bit to let
-	 * any potential PRLIs to flush thru the SLI sub-system.
-	 */
-	msleep(50);
-
-	return (0);
+	return 0;
 }
 
 /************************************************************************/
@@ -1339,7 +1345,8 @@ lpfc_offline(struct lpfc_hba * phba)
 	struct lpfc_sli_ring *pring;
 	struct lpfc_sli *psli;
 	unsigned long iflag;
-	int i = 0;
+	int i;
+	int cnt = 0;
 
 	if (!phba)
 		return 0;
@@ -1348,17 +1355,27 @@ lpfc_offline(struct lpfc_hba * phba)
 		return 0;
 
 	psli = &phba->sli;
-	pring = &psli->ring[psli->fcp_ring];
 
 	lpfc_linkdown(phba);
+	lpfc_sli_flush_mbox_queue(phba);
 
-	/* The linkdown event takes 30 seconds to timeout. */
-	while (pring->txcmplq_cnt) {
-		mdelay(10);
-		if (i++ > 3000)
-			break;
+	for (i = 0; i < psli->num_rings; i++) {
+		pring = &psli->ring[i];
+		/* The linkdown event takes 30 seconds to timeout. */
+		while (pring->txcmplq_cnt) {
+			mdelay(10);
+			if (cnt++ > 3000) {
+				lpfc_printf_log(phba,
+					KERN_WARNING, LOG_INIT,
+					"%d:0466 Outstanding IO when "
+					"bringing Adapter offline\n",
+					phba->brd_no);
+				break;
+			}
+		}
 	}
 
+
 	/* stop all timers associated with this hba */
 	lpfc_stop_timer(phba);
 	phba->work_hba_events = 0;
@@ -1639,6 +1656,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_irq;
 	}
 
+	lpfc_discovery_wait(phba);
+
 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
 		spin_lock_irq(phba->host->host_lock);
 		lpfc_poll_start_timer(phba);
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 07017658ac5..066292d3995 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -133,6 +133,11 @@ lpfc_mem_free(struct lpfc_hba * phba)
 
 	pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool);
 	pci_pool_destroy(phba->lpfc_mbuf_pool);
+
+	/* Free the iocb lookup array */
+	kfree(psli->iocbq_lookup);
+	psli->iocbq_lookup = NULL;
+
 }
 
 void *
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 27d60ad897c..bd0b0e293d6 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1110,6 +1110,17 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba,
 				phba->brd_no,
 				did, mb->mbxStatus, phba->hba_state);
 
+		/*
+		 * If RegLogin failed due to lack of HBA resources do not
+		 * retry discovery.
+		 */
+		if (mb->mbxStatus == MBXERR_RPI_FULL) {
+			ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE;
+			ndlp->nlp_state = NLP_STE_UNUSED_NODE;
+			lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
+			return ndlp->nlp_state;
+		}
+
 		/* Put ndlp in npr list set plogi timer for 1 sec */
 		mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
 		spin_lock_irq(phba->host->host_lock);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index aea1ee472f3..a760a44173d 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -153,22 +153,6 @@ static void
 lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
 {
 	unsigned long iflag = 0;
-	/*
-	 * There are only two special cases to consider.  (1) the scsi command
-	 * requested scatter-gather usage or (2) the scsi command allocated
-	 * a request buffer, but did not request use_sg.  There is a third
-	 * case, but it does not require resource deallocation.
-	 */
-	if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) {
-		dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer,
-				psb->seg_cnt, psb->pCmd->sc_data_direction);
-	} else {
-		 if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) {
-			dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys,
-						psb->pCmd->request_bufflen,
-						psb->pCmd->sc_data_direction);
-		 }
-	}
 
 	spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
 	psb->pCmd = NULL;
@@ -282,6 +266,27 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
 }
 
 static void
+lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
+{
+	/*
+	 * There are only two special cases to consider.  (1) the scsi command
+	 * requested scatter-gather usage or (2) the scsi command allocated
+	 * a request buffer, but did not request use_sg.  There is a third
+	 * case, but it does not require resource deallocation.
+	 */
+	if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) {
+		dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer,
+				psb->seg_cnt, psb->pCmd->sc_data_direction);
+	} else {
+		 if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) {
+			dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys,
+						psb->pCmd->request_bufflen,
+						psb->pCmd->sc_data_direction);
+		 }
+	}
+}
+
+static void
 lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd)
 {
 	struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
@@ -454,6 +459,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	cmd->scsi_done(cmd);
 
 	if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+		lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
 		lpfc_release_scsi_buf(phba, lpfc_cmd);
 		return;
 	}
@@ -511,6 +517,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		}
 	}
 
+	lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
 }
 
@@ -609,6 +616,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd,
 static int
 lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
 			     struct lpfc_scsi_buf *lpfc_cmd,
+			     unsigned int lun,
 			     uint8_t task_mgmt_cmd)
 {
 	struct lpfc_sli *psli;
@@ -627,8 +635,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
 	piocb = &piocbq->iocb;
 
 	fcp_cmnd = lpfc_cmd->fcp_cmnd;
-	int_to_scsilun(lpfc_cmd->pCmd->device->lun,
-			&lpfc_cmd->fcp_cmnd->fcp_lun);
+	int_to_scsilun(lun, &lpfc_cmd->fcp_cmnd->fcp_lun);
 	fcp_cmnd->fcpCntl2 = task_mgmt_cmd;
 
 	piocb->ulpCommand = CMD_FCP_ICMND64_CR;
@@ -655,14 +662,16 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
 
 static int
 lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba,
-		    unsigned  tgt_id, struct lpfc_rport_data *rdata)
+		    unsigned  tgt_id, unsigned int lun,
+		    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);
+	ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun,
+					   FCP_TARGET_RESET);
 	if (!ret)
 		return FAILED;
 
@@ -822,6 +831,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	return 0;
 
  out_host_busy_free_buf:
+	lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
  out_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
@@ -969,12 +979,12 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	if (lpfc_cmd == NULL)
 		goto out;
 
-	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);
+	ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, cmnd->device->lun,
+					   FCP_LUN_RESET);
 	if (!ret)
 		goto out_free_scsi_buf;
 
@@ -1001,7 +1011,6 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	cmd_status = iocbqrsp->iocb.ulpStatus;
 
 	lpfc_sli_release_iocbq(phba, iocbqrsp);
-	lpfc_release_scsi_buf(phba, lpfc_cmd);
 
 	/*
 	 * All outstanding txcmplq I/Os should have been aborted by the device.
@@ -1040,6 +1049,8 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	}
 
 out_free_scsi_buf:
+	lpfc_release_scsi_buf(phba, lpfc_cmd);
+
 	lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
 			"%d:0713 SCSI layer issued LUN reset (%d, %d) "
 			"Data: x%x x%x x%x\n",
@@ -1070,7 +1081,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 
 	/* The lpfc_cmd storage is reused.  Set all loop invariants. */
 	lpfc_cmd->timeout = 60;
-	lpfc_cmd->pCmd = cmnd;
 	lpfc_cmd->scsi_hba = phba;
 
 	/*
@@ -1078,7 +1088,7 @@ 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.
 	 */
-	for (i = 0; i < MAX_FCP_TARGET; i++) {
+	for (i = 0; i < LPFC_MAX_TARGET; i++) {
 		/* Search the mapped list for this target ID */
 		match = 0;
 		list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
@@ -1090,8 +1100,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 		if (!match)
 			continue;
 
-		ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba,
-					  i, ndlp->rport->dd_data);
+		ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba, i, cmnd->device->lun,
+					  ndlp->rport->dd_data);
 		if (ret != SUCCESS) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
 				"%d:0713 Bus Reset on target %d failed\n",
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index bb69a7a1ec5..350a625fa22 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -191,35 +191,12 @@ static int
 lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba,
 			struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb)
 {
-	uint16_t iotag;
-
 	list_add_tail(&piocb->list, &pring->txcmplq);
 	pring->txcmplq_cnt++;
 	if (unlikely(pring->ringno == LPFC_ELS_RING))
 		mod_timer(&phba->els_tmofunc,
 					jiffies + HZ * (phba->fc_ratov << 1));
 
-	if (pring->fast_lookup) {
-		/* Setup fast lookup based on iotag for completion */
-		iotag = piocb->iocb.ulpIoTag;
-		if (iotag && (iotag < pring->fast_iotag))
-			*(pring->fast_lookup + iotag) = piocb;
-		else {
-
-			/* Cmd ring <ringno> put: iotag <iotag> greater then
-			   configured max <fast_iotag> wd0 <icmd> */
-			lpfc_printf_log(phba,
-					KERN_ERR,
-					LOG_SLI,
-					"%d:0316 Cmd ring %d put: iotag x%x "
-					"greater then configured max x%x "
-					"wd0 x%x\n",
-					phba->brd_no,
-					pring->ringno, iotag,
-					pring->fast_iotag,
-					*(((uint32_t *)(&piocb->iocb)) + 7));
-		}
-	}
 	return (0);
 }
 
@@ -601,7 +578,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba)
 			/* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus
 			   <status> */
 			lpfc_printf_log(phba,
-					KERN_ERR,
+					KERN_WARNING,
 					LOG_MBOX | LOG_SLI,
 					"%d:0304 Stray Mailbox Interrupt "
 					"mbxCommand x%x mbxStatus x%x\n",
@@ -1570,8 +1547,8 @@ lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask)
 
 void lpfc_reset_barrier(struct lpfc_hba * phba)
 {
-	uint32_t * resp_buf;
-	uint32_t * mbox_buf;
+	uint32_t __iomem *resp_buf;
+	uint32_t __iomem *mbox_buf;
 	volatile uint32_t mbox;
 	uint32_t hc_copy;
 	int  i;
@@ -1587,7 +1564,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
 	 * Tell the other part of the chip to suspend temporarily all
 	 * its DMA activity.
 	 */
-	resp_buf =  (uint32_t *)phba->MBslimaddr;
+	resp_buf = phba->MBslimaddr;
 
 	/* Disable the error attention */
 	hc_copy = readl(phba->HCregaddr);
@@ -1605,7 +1582,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba)
 	((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP;
 
 	writel(BARRIER_TEST_PATTERN, (resp_buf + 1));
-	mbox_buf = (uint32_t *)phba->MBslimaddr;
+	mbox_buf = phba->MBslimaddr;
 	writel(mbox, mbox_buf);
 
 	for (i = 0;
@@ -1805,7 +1782,7 @@ lpfc_sli_brdrestart(struct lpfc_hba * phba)
 		skip_post = 0;
 		word0 = 0;	/* This is really setting up word1 */
 	}
-	to_slim = (uint8_t *) phba->MBslimaddr + sizeof (uint32_t);
+	to_slim = phba->MBslimaddr + sizeof (uint32_t);
 	writel(*(uint32_t *) mb, to_slim);
 	readl(to_slim); /* flush */
 
@@ -2659,8 +2636,6 @@ lpfc_sli_hba_down(struct lpfc_hba * phba)
 
 		INIT_LIST_HEAD(&(pring->txq));
 
-		kfree(pring->fast_lookup);
-		pring->fast_lookup = NULL;
 	}
 
 	spin_unlock_irqrestore(phba->host->host_lock, flags);
@@ -3110,6 +3085,24 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
 	return retval;
 }
 
+int
+lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
+{
+	int i = 0;
+
+	while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !phba->stopped) {
+		if (i++ > LPFC_MBOX_TMO * 1000)
+			return 1;
+
+		if (lpfc_sli_handle_mb_event(phba) == 0)
+			i = 0;
+
+		msleep(1);
+	}
+
+	return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0;
+}
+
 irqreturn_t
 lpfc_intr_handler(int irq, void *dev_id, struct pt_regs * regs)
 {
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index a52d6c6cf08..d8ef0d2894d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -135,8 +135,6 @@ struct lpfc_sli_ring {
 	uint32_t fast_iotag;	/* max fastlookup based iotag           */
 	uint32_t iotag_ctr;	/* keeps track of the next iotag to use */
 	uint32_t iotag_max;	/* max iotag value to use               */
-	struct lpfc_iocbq ** fast_lookup; /* array of IOCB ptrs indexed by
-					   iotag */
 	struct list_head txq;
 	uint16_t txq_cnt;	/* current length of queue */
 	uint16_t txq_max;	/* max length */
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 6b737568b83..10e89c6ae82 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 "8.1.6"
+#define LPFC_DRIVER_VERSION "8.1.7"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c
index 93edaa8696c..89ef34df5a1 100644
--- a/drivers/scsi/mac53c94.c
+++ b/drivers/scsi/mac53c94.c
@@ -378,7 +378,7 @@ static void set_dma_cmds(struct fsc_state *state, struct scsi_cmnd *cmd)
 		int nseg;
 
 		total = 0;
-		scl = (struct scatterlist *) cmd->buffer;
+		scl = (struct scatterlist *) cmd->request_buffer;
 		nseg = pci_map_sg(state->pdev, scl, cmd->use_sg,
 				cmd->sc_data_direction);
 		for (i = 0; i < nseg; ++i) {
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index c88717727be..5572981a9f9 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1268,7 +1268,7 @@ static void set_dma_cmds(struct mesh_state *ms, struct scsi_cmnd *cmd)
 		if (cmd->use_sg > 0) {
 			int nseg;
 			total = 0;
-			scl = (struct scatterlist *) cmd->buffer;
+			scl = (struct scatterlist *) cmd->request_buffer;
 			off = ms->data_ptr;
 			nseg = pci_map_sg(ms->pdev, scl, cmd->use_sg,
 					  cmd->sc_data_direction);
diff --git a/drivers/scsi/pluto.c b/drivers/scsi/pluto.c
index 7abf64d1bfc..0bd9c60e645 100644
--- a/drivers/scsi/pluto.c
+++ b/drivers/scsi/pluto.c
@@ -169,8 +169,6 @@ int __init pluto_detect(struct scsi_host_template *tpnt)
 		SCpnt->request->rq_status = RQ_SCSI_BUSY;
 		
 		SCpnt->done = pluto_detect_done;
-		SCpnt->bufflen = 256;
-		SCpnt->buffer = fcs[i].inquiry;
 		SCpnt->request_bufflen = 256;
 		SCpnt->request_buffer = fcs[i].inquiry;
 		PLD(("set up %d %08lx\n", i, (long)SCpnt))
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 69e0551a81d..5b2f0741a55 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -874,7 +874,7 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
 	if (Cmnd->use_sg) {
 		int sg_count;
 
-		sg = (struct scatterlist *) Cmnd->buffer;
+		sg = (struct scatterlist *) Cmnd->request_buffer;
 		sg_count = sbus_map_sg(qpti->sdev, sg, Cmnd->use_sg, Cmnd->sc_data_direction);
 
 		ds = cmd->dataseg;
@@ -1278,7 +1278,7 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
 
 		if (Cmnd->use_sg) {
 			sbus_unmap_sg(qpti->sdev,
-				      (struct scatterlist *)Cmnd->buffer,
+				      (struct scatterlist *)Cmnd->request_buffer,
 				      Cmnd->use_sg,
 				      Cmnd->sc_data_direction);
 		} else {
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 2ab7df0dcfe..b332caddd5b 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -346,7 +346,7 @@ void scsi_log_send(struct scsi_cmnd *cmd)
 			if (level > 3) {
 				printk(KERN_INFO "buffer = 0x%p, bufflen = %d,"
 				       " done = 0x%p, queuecommand 0x%p\n",
-					cmd->buffer, cmd->bufflen,
+					cmd->request_buffer, cmd->request_bufflen,
 					cmd->done,
 					sdev->host->hostt->queuecommand);
 
@@ -661,11 +661,6 @@ void __scsi_done(struct scsi_cmnd *cmd)
  */
 int scsi_retry_command(struct scsi_cmnd *cmd)
 {
-	/*
-	 * Restore the SCSI command state.
-	 */
-	scsi_setup_cmd_retry(cmd);
-
         /*
          * Zero the sense information from the last time we tried
          * this command.
@@ -711,10 +706,6 @@ void scsi_finish_command(struct scsi_cmnd *cmd)
 				"Notifying upper driver of completion "
 				"(result %x)\n", cmd->result));
 
-	/*
-	 * We can get here with use_sg=0, causing a panic in the upper level
-	 */
-	cmd->use_sg = cmd->old_use_sg;
 	cmd->done(cmd);
 }
 EXPORT_SYMBOL(scsi_finish_command);
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 9c63b00773c..a80303c6b3f 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -286,7 +286,7 @@ static int inquiry_evpd_83(unsigned char * arr, int target_dev_id,
 			   int dev_id_num, const char * dev_id_str,
 			   int dev_id_str_len);
 static int inquiry_evpd_88(unsigned char * arr, int target_dev_id);
-static void do_create_driverfs_files(void);
+static int do_create_driverfs_files(void);
 static void do_remove_driverfs_files(void);
 
 static int sdebug_add_adapter(void);
@@ -2487,19 +2487,22 @@ static ssize_t sdebug_add_host_store(struct device_driver * ddp,
 DRIVER_ATTR(add_host, S_IRUGO | S_IWUSR, sdebug_add_host_show, 
 	    sdebug_add_host_store);
 
-static void do_create_driverfs_files(void)
+static int do_create_driverfs_files(void)
 {
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_add_host);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_delay);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_dev_size_mb);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_dsense);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_ptype);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_opts);
-	driver_create_file(&sdebug_driverfs_driver, &driver_attr_scsi_level);
+	int ret;
+
+	ret = driver_create_file(&sdebug_driverfs_driver, &driver_attr_add_host);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_delay);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_dev_size_mb);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_dsense);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_ptype);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_opts);
+	ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_scsi_level);
+	return ret;
 }
 
 static void do_remove_driverfs_files(void)
@@ -2522,6 +2525,7 @@ static int __init scsi_debug_init(void)
 	unsigned int sz;
 	int host_to_add;
 	int k;
+	int ret;
 
 	if (scsi_debug_dev_size_mb < 1)
 		scsi_debug_dev_size_mb = 1;  /* force minimum 1 MB ramdisk */
@@ -2560,12 +2564,32 @@ static int __init scsi_debug_init(void)
 	if (scsi_debug_num_parts > 0)
 		sdebug_build_parts(fake_storep);
 
-	init_all_queued();
+	ret = device_register(&pseudo_primary);
+	if (ret < 0) {
+		printk(KERN_WARNING "scsi_debug: device_register error: %d\n",
+			ret);
+		goto free_vm;
+	}
+	ret = bus_register(&pseudo_lld_bus);
+	if (ret < 0) {
+		printk(KERN_WARNING "scsi_debug: bus_register error: %d\n",
+			ret);
+		goto dev_unreg;
+	}
+	ret = driver_register(&sdebug_driverfs_driver);
+	if (ret < 0) {
+		printk(KERN_WARNING "scsi_debug: driver_register error: %d\n",
+			ret);
+		goto bus_unreg;
+	}
+	ret = do_create_driverfs_files();
+	if (ret < 0) {
+		printk(KERN_WARNING "scsi_debug: driver_create_file error: %d\n",
+			ret);
+		goto del_files;
+	}
 
-	device_register(&pseudo_primary);
-	bus_register(&pseudo_lld_bus);
-	driver_register(&sdebug_driverfs_driver);
-	do_create_driverfs_files();
+	init_all_queued();
 
 	sdebug_driver_template.proc_name = (char *)sdebug_proc_name;
 
@@ -2585,6 +2609,18 @@ static int __init scsi_debug_init(void)
 		       scsi_debug_add_host);
 	}
 	return 0;
+
+del_files:
+	do_remove_driverfs_files();
+	driver_unregister(&sdebug_driverfs_driver);
+bus_unreg:
+	bus_unregister(&pseudo_lld_bus);
+dev_unreg:
+	device_unregister(&pseudo_primary);
+free_vm:
+	vfree(fake_storep);
+
+	return ret;
 }
 
 static void __exit scsi_debug_exit(void)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 6683d596234..6a5b731bd5b 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -460,19 +460,67 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
  * Return value:
  *    SUCCESS or FAILED or NEEDS_RETRY
  **/
-static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
+static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout, int copy_sense)
 {
 	struct scsi_device *sdev = scmd->device;
 	struct Scsi_Host *shost = sdev->host;
+	int old_result = scmd->result;
 	DECLARE_COMPLETION(done);
 	unsigned long timeleft;
 	unsigned long flags;
+	unsigned char old_cmnd[MAX_COMMAND_SIZE];
+	enum dma_data_direction old_data_direction;
+	unsigned short old_use_sg;
+	unsigned char old_cmd_len;
+	unsigned old_bufflen;
+	void *old_buffer;
 	int rtn;
 
+	/*
+	 * We need saved copies of a number of fields - this is because
+	 * error handling may need to overwrite these with different values
+	 * to run different commands, and once error handling is complete,
+	 * we will need to restore these values prior to running the actual
+	 * command.
+	 */
+	old_buffer = scmd->request_buffer;
+	old_bufflen = scmd->request_bufflen;
+	memcpy(old_cmnd, scmd->cmnd, sizeof(scmd->cmnd));
+	old_data_direction = scmd->sc_data_direction;
+	old_cmd_len = scmd->cmd_len;
+	old_use_sg = scmd->use_sg;
+
+	if (copy_sense) {
+		int gfp_mask = GFP_ATOMIC;
+
+		if (shost->hostt->unchecked_isa_dma)
+			gfp_mask |= __GFP_DMA;
+
+		scmd->sc_data_direction = DMA_FROM_DEVICE;
+		scmd->request_bufflen = 252;
+		scmd->request_buffer = kzalloc(scmd->request_bufflen, gfp_mask);
+		if (!scmd->request_buffer)
+			return FAILED;
+	} else {
+		scmd->request_buffer = NULL;
+		scmd->request_bufflen = 0;
+		scmd->sc_data_direction = DMA_NONE;
+	}
+
+	scmd->underflow = 0;
+	scmd->use_sg = 0;
+	scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
+
 	if (sdev->scsi_level <= SCSI_2)
 		scmd->cmnd[1] = (scmd->cmnd[1] & 0x1f) |
 			(sdev->lun << 5 & 0xe0);
 
+	/*
+	 * Zero the sense buffer.  The scsi spec mandates that any
+	 * untransferred sense data should be interpreted as being zero.
+	 */
+	memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
+
 	shost->eh_action = &done;
 
 	spin_lock_irqsave(shost->host_lock, flags);
@@ -522,6 +570,29 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
 		rtn = FAILED;
 	}
 
+
+	/*
+	 * Last chance to have valid sense data.
+	 */
+	if (copy_sense) {
+		if (!SCSI_SENSE_VALID(scmd)) {
+			memcpy(scmd->sense_buffer, scmd->request_buffer,
+			       sizeof(scmd->sense_buffer));
+		}
+		kfree(scmd->request_buffer);
+	}
+
+
+	/*
+	 * Restore original data
+	 */
+	scmd->request_buffer = old_buffer;
+	scmd->request_bufflen = old_bufflen;
+	memcpy(scmd->cmnd, old_cmnd, sizeof(scmd->cmnd));
+	scmd->sc_data_direction = old_data_direction;
+	scmd->cmd_len = old_cmd_len;
+	scmd->use_sg = old_use_sg;
+	scmd->result = old_result;
 	return rtn;
 }
 
@@ -537,56 +608,10 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
 static int scsi_request_sense(struct scsi_cmnd *scmd)
 {
 	static unsigned char generic_sense[6] =
-	{REQUEST_SENSE, 0, 0, 0, 252, 0};
-	unsigned char *scsi_result;
-	int saved_result;
-	int rtn;
+		{REQUEST_SENSE, 0, 0, 0, 252, 0};
 
 	memcpy(scmd->cmnd, generic_sense, sizeof(generic_sense));
-
-	scsi_result = kmalloc(252, GFP_ATOMIC | ((scmd->device->host->hostt->unchecked_isa_dma) ? __GFP_DMA : 0));
-
-
-	if (unlikely(!scsi_result)) {
-		printk(KERN_ERR "%s: cannot allocate scsi_result.\n",
-		       __FUNCTION__);
-		return FAILED;
-	}
-
-	/*
-	 * zero the sense buffer.  some host adapters automatically always
-	 * request sense, so it is not a good idea that
-	 * scmd->request_buffer and scmd->sense_buffer point to the same
-	 * address (db).  0 is not a valid sense code. 
-	 */
-	memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
-	memset(scsi_result, 0, 252);
-
-	saved_result = scmd->result;
-	scmd->request_buffer = scsi_result;
-	scmd->request_bufflen = 252;
-	scmd->use_sg = 0;
-	scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
-	scmd->sc_data_direction = DMA_FROM_DEVICE;
-	scmd->underflow = 0;
-
-	rtn = scsi_send_eh_cmnd(scmd, SENSE_TIMEOUT);
-
-	/* last chance to have valid sense data */
-	if(!SCSI_SENSE_VALID(scmd)) {
-		memcpy(scmd->sense_buffer, scmd->request_buffer,
-		       sizeof(scmd->sense_buffer));
-	}
-
-	kfree(scsi_result);
-
-	/*
-	 * when we eventually call scsi_finish, we really wish to complete
-	 * the original request, so let's restore the original data. (db)
-	 */
-	scsi_setup_cmd_retry(scmd);
-	scmd->result = saved_result;
-	return rtn;
+	return scsi_send_eh_cmnd(scmd, SENSE_TIMEOUT, 1);
 }
 
 /**
@@ -605,12 +630,6 @@ void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q)
 {
 	scmd->device->host->host_failed--;
 	scmd->eh_eflags = 0;
-
-	/*
-	 * set this back so that the upper level can correctly free up
-	 * things.
-	 */
-	scsi_setup_cmd_retry(scmd);
 	list_move_tail(&scmd->eh_entry, done_q);
 }
 EXPORT_SYMBOL(scsi_eh_finish_cmd);
@@ -715,47 +734,26 @@ static int scsi_eh_tur(struct scsi_cmnd *scmd)
 {
 	static unsigned char tur_command[6] = {TEST_UNIT_READY, 0, 0, 0, 0, 0};
 	int retry_cnt = 1, rtn;
-	int saved_result;
 
 retry_tur:
 	memcpy(scmd->cmnd, tur_command, sizeof(tur_command));
 
-	/*
-	 * zero the sense buffer.  the scsi spec mandates that any
-	 * untransferred sense data should be interpreted as being zero.
-	 */
-	memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
-
-	saved_result = scmd->result;
-	scmd->request_buffer = NULL;
-	scmd->request_bufflen = 0;
-	scmd->use_sg = 0;
-	scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
-	scmd->underflow = 0;
-	scmd->sc_data_direction = DMA_NONE;
 
-	rtn = scsi_send_eh_cmnd(scmd, SENSE_TIMEOUT);
+	rtn = scsi_send_eh_cmnd(scmd, SENSE_TIMEOUT, 0);
 
-	/*
-	 * when we eventually call scsi_finish, we really wish to complete
-	 * the original request, so let's restore the original data. (db)
-	 */
-	scsi_setup_cmd_retry(scmd);
-	scmd->result = saved_result;
-
-	/*
-	 * hey, we are done.  let's look to see what happened.
-	 */
 	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: scmd %p rtn %x\n",
 		__FUNCTION__, scmd, rtn));
-	if (rtn == SUCCESS)
-		return 0;
-	else if (rtn == NEEDS_RETRY) {
+
+	switch (rtn) {
+	case NEEDS_RETRY:
 		if (retry_cnt--)
 			goto retry_tur;
+		/*FALLTHRU*/
+	case SUCCESS:
 		return 0;
+	default:
+		return 1;
 	}
-	return 1;
 }
 
 /**
@@ -837,44 +835,16 @@ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
 static int scsi_eh_try_stu(struct scsi_cmnd *scmd)
 {
 	static unsigned char stu_command[6] = {START_STOP, 0, 0, 0, 1, 0};
-	int rtn;
-	int saved_result;
 
-	if (!scmd->device->allow_restart)
-		return 1;
-
-	memcpy(scmd->cmnd, stu_command, sizeof(stu_command));
-
-	/*
-	 * zero the sense buffer.  the scsi spec mandates that any
-	 * untransferred sense data should be interpreted as being zero.
-	 */
-	memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
-
-	saved_result = scmd->result;
-	scmd->request_buffer = NULL;
-	scmd->request_bufflen = 0;
-	scmd->use_sg = 0;
-	scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
-	scmd->underflow = 0;
-	scmd->sc_data_direction = DMA_NONE;
+	if (scmd->device->allow_restart) {
+		int rtn;
 
-	rtn = scsi_send_eh_cmnd(scmd, START_UNIT_TIMEOUT);
-
-	/*
-	 * when we eventually call scsi_finish, we really wish to complete
-	 * the original request, so let's restore the original data. (db)
-	 */
-	scsi_setup_cmd_retry(scmd);
-	scmd->result = saved_result;
+		memcpy(scmd->cmnd, stu_command, sizeof(stu_command));
+		rtn = scsi_send_eh_cmnd(scmd, START_UNIT_TIMEOUT, 0);
+		if (rtn == SUCCESS)
+			return 0;
+	}
 
-	/*
-	 * hey, we are done.  let's look to see what happened.
-	 */
-	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: scmd %p rtn %x\n",
-		__FUNCTION__, scmd, rtn));
-	if (rtn == SUCCESS)
-		return 0;
 	return 1;
 }
 
@@ -1684,8 +1654,6 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
     
 	scmd->scsi_done		= scsi_reset_provider_done_command;
 	scmd->done			= NULL;
-	scmd->buffer			= NULL;
-	scmd->bufflen			= 0;
 	scmd->request_buffer		= NULL;
 	scmd->request_bufflen		= 0;
 
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 08af9aae7df..077c1c69121 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -436,60 +436,16 @@ EXPORT_SYMBOL_GPL(scsi_execute_async);
  *
  * Arguments:   cmd	- command that is ready to be queued.
  *
- * Returns:     Nothing
- *
  * Notes:       This function has the job of initializing a number of
  *              fields related to error handling.   Typically this will
  *              be called once for each command, as required.
  */
-static int scsi_init_cmd_errh(struct scsi_cmnd *cmd)
+static void scsi_init_cmd_errh(struct scsi_cmnd *cmd)
 {
 	cmd->serial_number = 0;
-
 	memset(cmd->sense_buffer, 0, sizeof cmd->sense_buffer);
-
 	if (cmd->cmd_len == 0)
 		cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
-
-	/*
-	 * We need saved copies of a number of fields - this is because
-	 * error handling may need to overwrite these with different values
-	 * to run different commands, and once error handling is complete,
-	 * we will need to restore these values prior to running the actual
-	 * command.
-	 */
-	cmd->old_use_sg = cmd->use_sg;
-	cmd->old_cmd_len = cmd->cmd_len;
-	cmd->sc_old_data_direction = cmd->sc_data_direction;
-	cmd->old_underflow = cmd->underflow;
-	memcpy(cmd->data_cmnd, cmd->cmnd, sizeof(cmd->cmnd));
-	cmd->buffer = cmd->request_buffer;
-	cmd->bufflen = cmd->request_bufflen;
-
-	return 1;
-}
-
-/*
- * Function:   scsi_setup_cmd_retry()
- *
- * Purpose:    Restore the command state for a retry
- *
- * Arguments:  cmd	- command to be restored
- *
- * Returns:    Nothing
- *
- * Notes:      Immediately prior to retrying a command, we need
- *             to restore certain fields that we saved above.
- */
-void scsi_setup_cmd_retry(struct scsi_cmnd *cmd)
-{
-	memcpy(cmd->cmnd, cmd->data_cmnd, sizeof(cmd->data_cmnd));
-	cmd->request_buffer = cmd->buffer;
-	cmd->request_bufflen = cmd->bufflen;
-	cmd->use_sg = cmd->old_use_sg;
-	cmd->cmd_len = cmd->old_cmd_len;
-	cmd->sc_data_direction = cmd->sc_old_data_direction;
-	cmd->underflow = cmd->old_underflow;
 }
 
 void scsi_device_unbusy(struct scsi_device *sdev)
@@ -807,22 +763,13 @@ static void scsi_free_sgtable(struct scatterlist *sgl, int index)
  */
 static void scsi_release_buffers(struct scsi_cmnd *cmd)
 {
-	struct request *req = cmd->request;
-
-	/*
-	 * Free up any indirection buffers we allocated for DMA purposes. 
-	 */
 	if (cmd->use_sg)
 		scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
-	else if (cmd->request_buffer != req->buffer)
-		kfree(cmd->request_buffer);
 
 	/*
 	 * Zero these out.  They now point to freed memory, and it is
 	 * dangerous to hang onto the pointers.
 	 */
-	cmd->buffer  = NULL;
-	cmd->bufflen = 0;
 	cmd->request_buffer = NULL;
 	cmd->request_bufflen = 0;
 }
@@ -858,7 +805,7 @@ static void scsi_release_buffers(struct scsi_cmnd *cmd)
 void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 {
 	int result = cmd->result;
-	int this_count = cmd->bufflen;
+	int this_count = cmd->request_bufflen;
 	request_queue_t *q = cmd->device->request_queue;
 	struct request *req = cmd->request;
 	int clear_errors = 1;
@@ -866,28 +813,14 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 	int sense_valid = 0;
 	int sense_deferred = 0;
 
-	/*
-	 * Free up any indirection buffers we allocated for DMA purposes. 
-	 * For the case of a READ, we need to copy the data out of the
-	 * bounce buffer and into the real buffer.
-	 */
-	if (cmd->use_sg)
-		scsi_free_sgtable(cmd->buffer, cmd->sglist_len);
-	else if (cmd->buffer != req->buffer) {
-		if (rq_data_dir(req) == READ) {
-			unsigned long flags;
-			char *to = bio_kmap_irq(req->bio, &flags);
-			memcpy(to, cmd->buffer, cmd->bufflen);
-			bio_kunmap_irq(to, &flags);
-		}
-		kfree(cmd->buffer);
-	}
+	scsi_release_buffers(cmd);
 
 	if (result) {
 		sense_valid = scsi_command_normalize_sense(cmd, &sshdr);
 		if (sense_valid)
 			sense_deferred = scsi_sense_is_deferred(&sshdr);
 	}
+
 	if (blk_pc_request(req)) { /* SG_IO ioctl from block level */
 		req->errors = result;
 		if (result) {
@@ -908,15 +841,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 	}
 
 	/*
-	 * Zero these out.  They now point to freed memory, and it is
-	 * dangerous to hang onto the pointers.
-	 */
-	cmd->buffer  = NULL;
-	cmd->bufflen = 0;
-	cmd->request_buffer = NULL;
-	cmd->request_bufflen = 0;
-
-	/*
 	 * Next deal with any sectors which we were able to correctly
 	 * handle.
 	 */
@@ -1012,7 +936,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 			if (!(req->flags & REQ_QUIET)) {
 				scmd_printk(KERN_INFO, cmd,
 					    "Volume overflow, CDB: ");
-				__scsi_print_command(cmd->data_cmnd);
+				__scsi_print_command(cmd->cmnd);
 				scsi_print_sense("", cmd);
 			}
 			/* See SSC3rXX or current. */
@@ -1143,7 +1067,7 @@ static void scsi_blk_pc_done(struct scsi_cmnd *cmd)
 	 * successfully. Since this is a REQ_BLOCK_PC command the
 	 * caller should check the request's errors value
 	 */
-	scsi_io_completion(cmd, cmd->bufflen);
+	scsi_io_completion(cmd, cmd->request_bufflen);
 }
 
 static void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd)
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index e2fbe9a9d5a..ae24c85aaee 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -57,7 +57,6 @@ extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
 
 /* scsi_lib.c */
 extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
-extern void scsi_setup_cmd_retry(struct scsi_cmnd *cmd);
 extern void scsi_device_unbusy(struct scsi_device *sdev);
 extern int scsi_queue_insert(struct scsi_cmnd *cmd, int reason);
 extern void scsi_next_command(struct scsi_cmnd *cmd);
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index dd075627e60..5a625c3fdda 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -41,6 +41,7 @@ struct sas_host_attrs {
 	struct mutex lock;
 	u32 next_target_id;
 	u32 next_expander_id;
+	int next_port_id;
 };
 #define to_sas_host_attrs(host)	((struct sas_host_attrs *)(host)->shost_data)
 
@@ -146,6 +147,7 @@ static int sas_host_setup(struct transport_container *tc, struct device *dev,
 	mutex_init(&sas_host->lock);
 	sas_host->next_target_id = 0;
 	sas_host->next_expander_id = 0;
+	sas_host->next_port_id = 0;
 	return 0;
 }
 
@@ -327,7 +329,7 @@ sas_phy_protocol_attr(identify.target_port_protocols,
 sas_phy_simple_attr(identify.sas_address, sas_address, "0x%016llx\n",
 		unsigned long long);
 sas_phy_simple_attr(identify.phy_identifier, phy_identifier, "%d\n", u8);
-//sas_phy_simple_attr(port_identifier, port_identifier, "%d\n", u8);
+//sas_phy_simple_attr(port_identifier, port_identifier, "%d\n", int);
 sas_phy_linkspeed_attr(negotiated_linkrate);
 sas_phy_linkspeed_attr(minimum_linkrate_hw);
 sas_phy_linkspeed_attr(minimum_linkrate);
@@ -590,6 +592,38 @@ struct sas_port *sas_port_alloc(struct device *parent, int port_id)
 }
 EXPORT_SYMBOL(sas_port_alloc);
 
+/** sas_port_alloc_num - allocate and initialize a SAS port structure
+ *
+ * @parent:	parent device
+ *
+ * Allocates a SAS port structure and a number to go with it.  This
+ * interface is really for adapters where the port number has no
+ * meansing, so the sas class should manage them.  It will be added to
+ * the device tree below the device specified by @parent which must be
+ * either a Scsi_Host or a sas_expander_device.
+ *
+ * Returns %NULL on error
+ */
+struct sas_port *sas_port_alloc_num(struct device *parent)
+{
+	int index;
+	struct Scsi_Host *shost = dev_to_shost(parent);
+	struct sas_host_attrs *sas_host = to_sas_host_attrs(shost);
+
+	/* FIXME: use idr for this eventually */
+	mutex_lock(&sas_host->lock);
+	if (scsi_is_sas_expander_device(parent)) {
+		struct sas_rphy *rphy = dev_to_rphy(parent);
+		struct sas_expander_device *exp = rphy_to_expander_device(rphy);
+
+		index = exp->next_port_id++;
+	} else
+		index = sas_host->next_port_id++;
+	mutex_unlock(&sas_host->lock);
+	return sas_port_alloc(parent, index);
+}
+EXPORT_SYMBOL(sas_port_alloc_num);
+
 /**
  * sas_port_add - add a SAS port to the device hierarchy
  *
@@ -658,6 +692,13 @@ void sas_port_delete(struct sas_port *port)
 	}
 	mutex_unlock(&port->phy_list_mutex);
 
+	if (port->is_backlink) {
+		struct device *parent = port->dev.parent;
+
+		sysfs_remove_link(&port->dev.kobj, parent->bus_id);
+		port->is_backlink = 0;
+	}
+
 	transport_remove_device(dev);
 	device_del(dev);
 	transport_destroy_device(dev);
@@ -733,6 +774,19 @@ void sas_port_delete_phy(struct sas_port *port, struct sas_phy *phy)
 }
 EXPORT_SYMBOL(sas_port_delete_phy);
 
+void sas_port_mark_backlink(struct sas_port *port)
+{
+	struct device *parent = port->dev.parent->parent->parent;
+
+	if (port->is_backlink)
+		return;
+	port->is_backlink = 1;
+	sysfs_create_link(&port->dev.kobj, &parent->kobj,
+			  parent->bus_id);
+
+}
+EXPORT_SYMBOL(sas_port_mark_backlink);
+
 /*
  * SAS remote PHY attributes.
  */
@@ -1140,7 +1194,7 @@ int sas_rphy_add(struct sas_rphy *rphy)
 
 	if (identify->device_type == SAS_END_DEVICE &&
 	    rphy->scsi_target_id != -1) {
-		scsi_scan_target(&rphy->dev, parent->port_identifier,
+		scsi_scan_target(&rphy->dev, 0,
 				rphy->scsi_target_id, ~0, 0);
 	}
 
@@ -1242,15 +1296,13 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
 
 	mutex_lock(&sas_host->lock);
 	list_for_each_entry(rphy, &sas_host->rphy_list, list) {
-		struct sas_port *parent = dev_to_sas_port(rphy->dev.parent);
-
 		if (rphy->identify.device_type != SAS_END_DEVICE ||
 		    rphy->scsi_target_id == -1)
 			continue;
 
-		if ((channel == SCAN_WILD_CARD || channel == parent->port_identifier) &&
+		if ((channel == SCAN_WILD_CARD || channel == 0) &&
 		    (id == SCAN_WILD_CARD || id == rphy->scsi_target_id)) {
-			scsi_scan_target(&rphy->dev, parent->port_identifier,
+			scsi_scan_target(&rphy->dev, 0,
 					 rphy->scsi_target_id, lun, 1);
 		}
 	}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3225d31449e..98bd3aab973 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -502,8 +502,7 @@ static int sd_init_command(struct scsi_cmnd * SCpnt)
 		SCpnt->cmnd[4] = (unsigned char) this_count;
 		SCpnt->cmnd[5] = 0;
 	}
-	SCpnt->request_bufflen = SCpnt->bufflen =
-			this_count * sdp->sector_size;
+	SCpnt->request_bufflen = this_count * sdp->sector_size;
 
 	/*
 	 * We shouldn't disconnect in the middle of a sector, so with a dumb
diff --git a/drivers/scsi/seagate.c b/drivers/scsi/seagate.c
index 3f312a84c6a..2679ea8bff1 100644
--- a/drivers/scsi/seagate.c
+++ b/drivers/scsi/seagate.c
@@ -1002,7 +1002,7 @@ connect_loop:
 			}
 #endif
 
-			buffer = (struct scatterlist *) SCint->buffer;
+			buffer = (struct scatterlist *) SCint->request_buffer;
 			len = buffer->length;
 			data = page_address(buffer->page) + buffer->offset;
 		} else {
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index fd94408577e..fae6e95a629 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -360,7 +360,7 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
 				"mismatch count %d, bytes %d\n",
 				size, SCpnt->request_bufflen);
 			if (SCpnt->request_bufflen > size)
-				SCpnt->request_bufflen = SCpnt->bufflen = size;
+				SCpnt->request_bufflen = size;
 		}
 	}
 
@@ -387,8 +387,7 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
 
 	if (this_count > 0xffff) {
 		this_count = 0xffff;
-		SCpnt->request_bufflen = SCpnt->bufflen =
-				this_count * s_size;
+		SCpnt->request_bufflen = this_count * s_size;
 	}
 
 	SCpnt->cmnd[2] = (unsigned char) (block >> 24) & 0xff;
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 756ceb93ddc..7f669b60067 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -368,7 +368,7 @@ static int st_chk_result(struct scsi_tape *STp, struct st_request * SRpnt)
 		       SRpnt->cmd[0], SRpnt->cmd[1], SRpnt->cmd[2],
 		       SRpnt->cmd[3], SRpnt->cmd[4], SRpnt->cmd[5]);
 		if (cmdstatp->have_sense)
-			 __scsi_print_sense("st", SRpnt->sense, SCSI_SENSE_BUFFERSIZE);
+			 __scsi_print_sense(name, SRpnt->sense, SCSI_SENSE_BUFFERSIZE);
 	} ) /* end DEB */
 	if (!debugging) { /* Abnormal conditions for tape */
 		if (!cmdstatp->have_sense)
@@ -384,9 +384,8 @@ static int st_chk_result(struct scsi_tape *STp, struct st_request * SRpnt)
 			 scode != VOLUME_OVERFLOW &&
 			 SRpnt->cmd[0] != MODE_SENSE &&
 			 SRpnt->cmd[0] != TEST_UNIT_READY) {
-				printk(KERN_WARNING "%s: Error with sense data: ", name);
-				__scsi_print_sense("st", SRpnt->sense,
-						   SCSI_SENSE_BUFFERSIZE);
+
+			__scsi_print_sense(name, SRpnt->sense, SCSI_SENSE_BUFFERSIZE);
 		}
 	}
 
diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 2ebe0d66389..2f8073b73bf 100644
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -517,7 +517,7 @@ static __inline__ void initialize_SCp(Scsi_Cmnd *cmd)
      */
 
     if (cmd->use_sg) {
-	cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
+	cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
 	cmd->SCp.buffers_residual = cmd->use_sg - 1;
 	cmd->SCp.ptr = (char *) SGADDR(cmd->SCp.buffer);
 	cmd->SCp.this_residual = cmd->SCp.buffer->length;
diff --git a/drivers/scsi/sun3x_esp.c b/drivers/scsi/sun3x_esp.c
index 1f328cae5c0..6b60536ac92 100644
--- a/drivers/scsi/sun3x_esp.c
+++ b/drivers/scsi/sun3x_esp.c
@@ -347,7 +347,7 @@ static void dma_mmu_release_scsi_one (struct NCR_ESP *esp, Scsi_Cmnd *sp)
 static void dma_mmu_release_scsi_sgl (struct NCR_ESP *esp, Scsi_Cmnd *sp)
 {
     int sz = sp->use_sg - 1;
-    struct scatterlist *sg = (struct scatterlist *)sp->buffer;
+    struct scatterlist *sg = (struct scatterlist *)sp->request_buffer;
                         
     while(sz >= 0) {
         dvma_unmap((char *)sg[sz].dma_address);
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index 680f38ab60d..2083454db51 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -373,7 +373,7 @@ wd33c93_queuecommand(struct scsi_cmnd *cmd,
  */
 
 	if (cmd->use_sg) {
-		cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
+		cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
 		cmd->SCp.buffers_residual = cmd->use_sg - 1;
 		cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) +
 		    cmd->SCp.buffer->offset;
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 979497f108c..dc673e1b6fd 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1047,12 +1047,13 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
 	up = &sunsab_ports[inst * 2];
 
 	err = sunsab_init_one(&up[0], op,
-			      sizeof(union sab82532_async_regs),
+			      0,
 			      (inst * 2) + 0);
 	if (err)
 		return err;
 
-	err = sunsab_init_one(&up[1], op, 0,
+	err = sunsab_init_one(&up[1], op,
+			      sizeof(union sab82532_async_regs),
 			      (inst * 2) + 1);
 	if (err) {
 		of_iounmap(up[0].port.membase,
@@ -1117,7 +1118,7 @@ static int __init sunsab_init(void)
 	int err;
 
 	num_channels = 0;
-	for_each_node_by_name(dp, "su")
+	for_each_node_by_name(dp, "se")
 		num_channels += 2;
 	for_each_node_by_name(dp, "serial") {
 		if (of_device_is_compatible(dp, "sab82532"))
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index a1456d9352c..47bc3d57e01 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -68,9 +68,6 @@ static int num_sunzilog;
 #define NUM_SUNZILOG	num_sunzilog
 #define NUM_CHANNELS	(NUM_SUNZILOG * 2)
 
-#define KEYBOARD_LINE 0x2
-#define MOUSE_LINE    0x3
-
 #define ZS_CLOCK		4915200 /* Zilog input clock rate. */
 #define ZS_CLOCK_DIVISOR	16      /* Divisor this driver uses. */
 
@@ -1225,12 +1222,10 @@ static void __init sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channe
 {
 	int baud, brg;
 
-	if (channel == KEYBOARD_LINE) {
-		up->flags |= SUNZILOG_FLAG_CONS_KEYB;
+	if (up->flags & SUNZILOG_FLAG_CONS_KEYB) {
 		up->cflag = B1200 | CS8 | CLOCAL | CREAD;
 		baud = 1200;
 	} else {
-		up->flags |= SUNZILOG_FLAG_CONS_MOUSE;
 		up->cflag = B4800 | CS8 | CLOCAL | CREAD;
 		baud = 4800;
 	}
@@ -1243,14 +1238,14 @@ static void __init sunzilog_init_kbdms(struct uart_sunzilog_port *up, int channe
 }
 
 #ifdef CONFIG_SERIO
-static void __init sunzilog_register_serio(struct uart_sunzilog_port *up, int channel)
+static void __init sunzilog_register_serio(struct uart_sunzilog_port *up)
 {
 	struct serio *serio = &up->serio;
 
 	serio->port_data = up;
 
 	serio->id.type = SERIO_RS232;
-	if (channel == KEYBOARD_LINE) {
+	if (up->flags & SUNZILOG_FLAG_CONS_KEYB) {
 		serio->id.proto = SERIO_SUNKBD;
 		strlcpy(serio->name, "zskbd", sizeof(serio->name));
 	} else {
@@ -1259,7 +1254,8 @@ static void __init sunzilog_register_serio(struct uart_sunzilog_port *up, int ch
 		strlcpy(serio->name, "zsms", sizeof(serio->name));
 	}
 	strlcpy(serio->phys,
-		(channel == KEYBOARD_LINE ? "zs/serio0" : "zs/serio1"),
+		((up->flags & SUNZILOG_FLAG_CONS_KEYB) ?
+		 "zs/serio0" : "zs/serio1"),
 		sizeof(serio->phys));
 
 	serio->write = sunzilog_serio_write;
@@ -1286,8 +1282,8 @@ static void __init sunzilog_init_hw(struct uart_sunzilog_port *up)
 		(void) read_zsreg(channel, R0);
 	}
 
-	if (up->port.line == KEYBOARD_LINE ||
-	    up->port.line == MOUSE_LINE) {
+	if (up->flags & (SUNZILOG_FLAG_CONS_KEYB |
+			 SUNZILOG_FLAG_CONS_MOUSE)) {
 		sunzilog_init_kbdms(up, up->port.line);
 		up->curregs[R9] |= (NV | MIE);
 		write_zsreg(channel, R9, up->curregs[R9]);
@@ -1313,37 +1309,26 @@ static void __init sunzilog_init_hw(struct uart_sunzilog_port *up)
 	spin_unlock_irqrestore(&up->port.lock, flags);
 
 #ifdef CONFIG_SERIO
-	if (up->port.line == KEYBOARD_LINE || up->port.line == MOUSE_LINE)
-		sunzilog_register_serio(up, up->port.line);
+	if (up->flags & (SUNZILOG_FLAG_CONS_KEYB |
+			 SUNZILOG_FLAG_CONS_MOUSE))
+		sunzilog_register_serio(up);
 #endif
 }
 
-static int __devinit zs_get_instance(struct device_node *dp)
-{
-	int ret;
-
-	ret = of_getintprop_default(dp, "slave", -1);
-	if (ret != -1)
-		return ret;
-
-	if (of_find_property(dp, "keyboard", NULL))
-		ret = 1;
-	else
-		ret = 0;
-
-	return ret;
-}
-
 static int zilog_irq = -1;
 
-static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit zs_probe(struct of_device *op, const struct of_device_id *match)
 {
-	struct of_device *op = to_of_device(&dev->dev);
+	static int inst;
 	struct uart_sunzilog_port *up;
 	struct zilog_layout __iomem *rp;
-	int inst = zs_get_instance(dev->node);
+	int keyboard_mouse;
 	int err;
 
+	keyboard_mouse = 0;
+	if (of_find_property(op->node, "keyboard", NULL))
+		keyboard_mouse = 1;
+
 	sunzilog_chip_regs[inst] = of_ioremap(&op->resource[0], 0,
 					      sizeof(struct zilog_layout),
 					      "zs");
@@ -1352,16 +1337,8 @@ static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *
 
 	rp = sunzilog_chip_regs[inst];
 
-	if (zilog_irq == -1) {
+	if (zilog_irq == -1)
 		zilog_irq = op->irqs[0];
-		err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED,
-				  "zs", sunzilog_irq_chain);
-		if (err) {
-			of_iounmap(rp, sizeof(struct zilog_layout));
-
-			return err;
-		}
-	}
 
 	up = &sunzilog_port_table[inst * 2];
 
@@ -1378,7 +1355,7 @@ static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *
 	up[0].port.line = (inst * 2) + 0;
 	up[0].port.dev = &op->dev;
 	up[0].flags |= SUNZILOG_FLAG_IS_CHANNEL_A;
-	if (inst == 1)
+	if (keyboard_mouse)
 		up[0].flags |= SUNZILOG_FLAG_CONS_KEYB;
 	sunzilog_init_hw(&up[0]);
 
@@ -1395,11 +1372,11 @@ static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *
 	up[1].port.line = (inst * 2) + 1;
 	up[1].port.dev = &op->dev;
 	up[1].flags |= 0;
-	if (inst == 1)
+	if (keyboard_mouse)
 		up[1].flags |= SUNZILOG_FLAG_CONS_MOUSE;
 	sunzilog_init_hw(&up[1]);
 
-	if (inst != 1) {
+	if (!keyboard_mouse) {
 		err = uart_add_one_port(&sunzilog_reg, &up[0].port);
 		if (err) {
 			of_iounmap(rp, sizeof(struct zilog_layout));
@@ -1411,9 +1388,18 @@ static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *
 			of_iounmap(rp, sizeof(struct zilog_layout));
 			return err;
 		}
+	} else {
+		printk(KERN_INFO "%s: Keyboard at MMIO %lx (irq = %d) "
+		       "is a zs\n",
+		       op->dev.bus_id, up[0].port.mapbase, op->irqs[0]);
+		printk(KERN_INFO "%s: Mouse at MMIO %lx (irq = %d) "
+		       "is a zs\n",
+		       op->dev.bus_id, up[1].port.mapbase, op->irqs[0]);
 	}
 
-	dev_set_drvdata(&dev->dev, &up[0]);
+	dev_set_drvdata(&op->dev, &up[0]);
+
+	inst++;
 
 	return 0;
 }
@@ -1462,36 +1448,65 @@ static struct of_platform_driver zs_driver = {
 static int __init sunzilog_init(void)
 {
 	struct device_node *dp;
-	int err;
+	int err, uart_count;
+	int num_keybms;
 
 	NUM_SUNZILOG = 0;
-	for_each_node_by_name(dp, "zs")
+	num_keybms = 0;
+	for_each_node_by_name(dp, "zs") {
 		NUM_SUNZILOG++;
+		if (of_find_property(dp, "keyboard", NULL))
+			num_keybms++;
+	}
 
+	uart_count = 0;
 	if (NUM_SUNZILOG) {
 		int uart_count;
 
 		err = sunzilog_alloc_tables();
 		if (err)
-			return err;
+			goto out;
 
-		/* Subtract 1 for keyboard, 1 for mouse.  */
-		uart_count = (NUM_SUNZILOG * 2) - 2;
+		uart_count = (NUM_SUNZILOG * 2) - (2 * num_keybms);
 
 		sunzilog_reg.nr = uart_count;
 		sunzilog_reg.minor = sunserial_current_minor;
 		err = uart_register_driver(&sunzilog_reg);
-		if (err) {
-			sunzilog_free_tables();
-			return err;
-		}
+		if (err)
+			goto out_free_tables;
+
 		sunzilog_reg.tty_driver->name_base = sunzilog_reg.minor - 64;
 		sunzilog_reg.cons = SUNZILOG_CONSOLE();
 
 		sunserial_current_minor += uart_count;
 	}
 
-	return of_register_driver(&zs_driver, &of_bus_type);
+	err = of_register_driver(&zs_driver, &of_bus_type);
+	if (err)
+		goto out_unregister_uart;
+
+	if (zilog_irq != -1) {
+		err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED,
+				  "zs", sunzilog_irq_chain);
+		if (err)
+			goto out_unregister_driver;
+	}
+
+out:
+	return err;
+
+out_unregister_driver:
+	of_unregister_driver(&zs_driver);
+
+out_unregister_uart:
+	if (NUM_SUNZILOG) {
+		uart_unregister_driver(&sunzilog_reg);
+		sunzilog_reg.cons = NULL;
+	}
+
+out_free_tables:
+	sunzilog_free_tables();
+	goto out;
 }
 
 static void __exit sunzilog_exit(void)