isci: unify isci_host and scic_sds_controller

Remove the distinction between these two implementations and unify on
isci_host (local instances named ihost).  Hmmm, we had two
'oem_parameters' instances, one was unused... nice.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

16 files changed, 806 insertions, 985 deletions

diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 45d7f71c609..bb298f8f609 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -181,35 +181,35 @@ void sci_change_state(struct sci_base_state_machine *sm, u32 next_state)
 }
 
 static bool scic_sds_controller_completion_queue_has_entries(
-	struct scic_sds_controller *scic)
+	struct isci_host *ihost)
 {
-	u32 get_value = scic->completion_queue_get;
+	u32 get_value = ihost->completion_queue_get;
 	u32 get_index = get_value & SMU_COMPLETION_QUEUE_GET_POINTER_MASK;
 
 	if (NORMALIZE_GET_POINTER_CYCLE_BIT(get_value) ==
-	    COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index]))
+	    COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index]))
 		return true;
 
 	return false;
 }
 
-static bool scic_sds_controller_isr(struct scic_sds_controller *scic)
+static bool scic_sds_controller_isr(struct isci_host *ihost)
 {
-	if (scic_sds_controller_completion_queue_has_entries(scic)) {
+	if (scic_sds_controller_completion_queue_has_entries(ihost)) {
 		return true;
 	} else {
 		/*
 		 * we have a spurious interrupt it could be that we have already
 		 * emptied the completion queue from a previous interrupt */
-		writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
+		writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
 
 		/*
 		 * There is a race in the hardware that could cause us not to be notified
 		 * of an interrupt completion if we do not take this step.  We will mask
 		 * then unmask the interrupts so if there is another interrupt pending
 		 * the clearing of the interrupt source we get the next interrupt message. */
-		writel(0xFF000000, &scic->smu_registers->interrupt_mask);
-		writel(0, &scic->smu_registers->interrupt_mask);
+		writel(0xFF000000, &ihost->smu_registers->interrupt_mask);
+		writel(0, &ihost->smu_registers->interrupt_mask);
 	}
 
 	return false;
@@ -219,18 +219,18 @@ irqreturn_t isci_msix_isr(int vec, void *data)
 {
 	struct isci_host *ihost = data;
 
-	if (scic_sds_controller_isr(&ihost->sci))
+	if (scic_sds_controller_isr(ihost))
 		tasklet_schedule(&ihost->completion_tasklet);
 
 	return IRQ_HANDLED;
 }
 
-static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic)
+static bool scic_sds_controller_error_isr(struct isci_host *ihost)
 {
 	u32 interrupt_status;
 
 	interrupt_status =
-		readl(&scic->smu_registers->interrupt_status);
+		readl(&ihost->smu_registers->interrupt_status);
 	interrupt_status &= (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND);
 
 	if (interrupt_status != 0) {
@@ -246,28 +246,27 @@ static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic)
 	 * then unmask the error interrupts so if there was another interrupt
 	 * pending we will be notified.
 	 * Could we write the value of (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND)? */
-	writel(0xff, &scic->smu_registers->interrupt_mask);
-	writel(0, &scic->smu_registers->interrupt_mask);
+	writel(0xff, &ihost->smu_registers->interrupt_mask);
+	writel(0, &ihost->smu_registers->interrupt_mask);
 
 	return false;
 }
 
-static void scic_sds_controller_task_completion(struct scic_sds_controller *scic,
+static void scic_sds_controller_task_completion(struct isci_host *ihost,
 						u32 completion_entry)
 {
 	u32 index = SCU_GET_COMPLETION_INDEX(completion_entry);
-	struct isci_host *ihost = scic_to_ihost(scic);
 	struct isci_request *ireq = ihost->reqs[index];
 
 	/* Make sure that we really want to process this IO request */
 	if (test_bit(IREQ_ACTIVE, &ireq->flags) &&
 	    ireq->io_tag != SCI_CONTROLLER_INVALID_IO_TAG &&
-	    ISCI_TAG_SEQ(ireq->io_tag) == scic->io_request_sequence[index])
+	    ISCI_TAG_SEQ(ireq->io_tag) == ihost->io_request_sequence[index])
 		/* Yep this is a valid io request pass it along to the io request handler */
 		scic_sds_io_request_tc_completion(ireq, completion_entry);
 }
 
-static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic,
+static void scic_sds_controller_sdma_completion(struct isci_host *ihost,
 						u32 completion_entry)
 {
 	u32 index;
@@ -279,8 +278,8 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic
 	switch (scu_get_command_request_type(completion_entry)) {
 	case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC:
 	case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_TC:
-		ireq = scic_to_ihost(scic)->reqs[index];
-		dev_warn(scic_to_dev(scic), "%s: %x for io request %p\n",
+		ireq = ihost->reqs[index];
+		dev_warn(&ihost->pdev->dev, "%s: %x for io request %p\n",
 			 __func__, completion_entry, ireq);
 		/* @todo For a post TC operation we need to fail the IO
 		 * request
@@ -289,27 +288,26 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic
 	case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_RNC:
 	case SCU_CONTEXT_COMMAND_REQUEST_TYPE_OTHER_RNC:
 	case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_RNC:
-		idev = scic->device_table[index];
-		dev_warn(scic_to_dev(scic), "%s: %x for device %p\n",
+		idev = ihost->device_table[index];
+		dev_warn(&ihost->pdev->dev, "%s: %x for device %p\n",
 			 __func__, completion_entry, idev);
 		/* @todo For a port RNC operation we need to fail the
 		 * device
 		 */
 		break;
 	default:
-		dev_warn(scic_to_dev(scic), "%s: unknown completion type %x\n",
+		dev_warn(&ihost->pdev->dev, "%s: unknown completion type %x\n",
 			 __func__, completion_entry);
 		break;
 	}
 }
 
-static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *scic,
+static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost,
 						  u32 completion_entry)
 {
 	u32 index;
 	u32 frame_index;
 
-	struct isci_host *ihost = scic_to_ihost(scic);
 	struct scu_unsolicited_frame_header *frame_header;
 	struct isci_phy *iphy;
 	struct isci_remote_device *idev;
@@ -318,15 +316,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
 
 	frame_index = SCU_GET_FRAME_INDEX(completion_entry);
 
-	frame_header = scic->uf_control.buffers.array[frame_index].header;
-	scic->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE;
+	frame_header = ihost->uf_control.buffers.array[frame_index].header;
+	ihost->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE;
 
 	if (SCU_GET_FRAME_ERROR(completion_entry)) {
 		/*
 		 * / @todo If the IAF frame or SIGNATURE FIS frame has an error will
 		 * /       this cause a problem? We expect the phy initialization will
 		 * /       fail if there is an error in the frame. */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		return;
 	}
 
@@ -347,15 +345,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
 			iphy = &ihost->phys[index];
 			result = scic_sds_phy_frame_handler(iphy, frame_index);
 		} else {
-			if (index < scic->remote_node_entries)
-				idev = scic->device_table[index];
+			if (index < ihost->remote_node_entries)
+				idev = ihost->device_table[index];
 			else
 				idev = NULL;
 
 			if (idev != NULL)
 				result = scic_sds_remote_device_frame_handler(idev, frame_index);
 			else
-				scic_sds_controller_release_frame(scic, frame_index);
+				scic_sds_controller_release_frame(ihost, frame_index);
 		}
 	}
 
@@ -366,10 +364,9 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
 	}
 }
 
-static void scic_sds_controller_event_completion(struct scic_sds_controller *scic,
+static void scic_sds_controller_event_completion(struct isci_host *ihost,
 						 u32 completion_entry)
 {
-	struct isci_host *ihost = scic_to_ihost(scic);
 	struct isci_remote_device *idev;
 	struct isci_request *ireq;
 	struct isci_phy *iphy;
@@ -380,11 +377,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
 	switch (scu_get_event_type(completion_entry)) {
 	case SCU_EVENT_TYPE_SMU_COMMAND_ERROR:
 		/* / @todo The driver did something wrong and we need to fix the condtion. */
-		dev_err(scic_to_dev(scic),
+		dev_err(&ihost->pdev->dev,
 			"%s: SCIC Controller 0x%p received SMU command error "
 			"0x%x\n",
 			__func__,
-			scic,
+			ihost,
 			completion_entry);
 		break;
 
@@ -394,11 +391,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
 		/*
 		 * / @todo This is a hardware failure and its likely that we want to
 		 * /       reset the controller. */
-		dev_err(scic_to_dev(scic),
+		dev_err(&ihost->pdev->dev,
 			"%s: SCIC Controller 0x%p received fatal controller "
 			"event  0x%x\n",
 			__func__,
-			scic,
+			ihost,
 			completion_entry);
 		break;
 
@@ -415,27 +412,27 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
 			if (ireq != NULL)
 				scic_sds_io_request_event_handler(ireq, completion_entry);
 			else
-				dev_warn(scic_to_dev(scic),
+				dev_warn(&ihost->pdev->dev,
 					 "%s: SCIC Controller 0x%p received "
 					 "event 0x%x for io request object "
 					 "that doesnt exist.\n",
 					 __func__,
-					 scic,
+					 ihost,
 					 completion_entry);
 
 			break;
 
 		case SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT:
-			idev = scic->device_table[index];
+			idev = ihost->device_table[index];
 			if (idev != NULL)
 				scic_sds_remote_device_event_handler(idev, completion_entry);
 			else
-				dev_warn(scic_to_dev(scic),
+				dev_warn(&ihost->pdev->dev,
 					 "%s: SCIC Controller 0x%p received "
 					 "event 0x%x for remote device object "
 					 "that doesnt exist.\n",
 					 __func__,
-					 scic,
+					 ihost,
 					 completion_entry);
 
 			break;
@@ -459,25 +456,25 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
 	case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
 	case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX:
 	case SCU_EVENT_TYPE_RNC_OPS_MISC:
-		if (index < scic->remote_node_entries) {
-			idev = scic->device_table[index];
+		if (index < ihost->remote_node_entries) {
+			idev = ihost->device_table[index];
 
 			if (idev != NULL)
 				scic_sds_remote_device_event_handler(idev, completion_entry);
 		} else
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC Controller 0x%p received event 0x%x "
 				"for remote device object 0x%0x that doesnt "
 				"exist.\n",
 				__func__,
-				scic,
+				ihost,
 				completion_entry,
 				index);
 
 		break;
 
 	default:
-		dev_warn(scic_to_dev(scic),
+		dev_warn(&ihost->pdev->dev,
 			 "%s: SCIC Controller received unknown event code %x\n",
 			 __func__,
 			 completion_entry);
@@ -485,7 +482,7 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
 	}
 }
 
-static void scic_sds_controller_process_completions(struct scic_sds_controller *scic)
+static void scic_sds_controller_process_completions(struct isci_host *ihost)
 {
 	u32 completion_count = 0;
 	u32 completion_entry;
@@ -494,47 +491,47 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
 	u32 event_get;
 	u32 event_cycle;
 
-	dev_dbg(scic_to_dev(scic),
+	dev_dbg(&ihost->pdev->dev,
 		"%s: completion queue begining get:0x%08x\n",
 		__func__,
-		scic->completion_queue_get);
+		ihost->completion_queue_get);
 
 	/* Get the component parts of the completion queue */
-	get_index = NORMALIZE_GET_POINTER(scic->completion_queue_get);
-	get_cycle = SMU_CQGR_CYCLE_BIT & scic->completion_queue_get;
+	get_index = NORMALIZE_GET_POINTER(ihost->completion_queue_get);
+	get_cycle = SMU_CQGR_CYCLE_BIT & ihost->completion_queue_get;
 
-	event_get = NORMALIZE_EVENT_POINTER(scic->completion_queue_get);
-	event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & scic->completion_queue_get;
+	event_get = NORMALIZE_EVENT_POINTER(ihost->completion_queue_get);
+	event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & ihost->completion_queue_get;
 
 	while (
 		NORMALIZE_GET_POINTER_CYCLE_BIT(get_cycle)
-		== COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index])
+		== COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index])
 		) {
 		completion_count++;
 
-		completion_entry = scic->completion_queue[get_index];
+		completion_entry = ihost->completion_queue[get_index];
 
 		/* increment the get pointer and check for rollover to toggle the cycle bit */
 		get_cycle ^= ((get_index+1) & SCU_MAX_COMPLETION_QUEUE_ENTRIES) <<
 			     (SMU_COMPLETION_QUEUE_GET_CYCLE_BIT_SHIFT - SCU_MAX_COMPLETION_QUEUE_SHIFT);
 		get_index = (get_index+1) & (SCU_MAX_COMPLETION_QUEUE_ENTRIES-1);
 
-		dev_dbg(scic_to_dev(scic),
+		dev_dbg(&ihost->pdev->dev,
 			"%s: completion queue entry:0x%08x\n",
 			__func__,
 			completion_entry);
 
 		switch (SCU_GET_COMPLETION_TYPE(completion_entry)) {
 		case SCU_COMPLETION_TYPE_TASK:
-			scic_sds_controller_task_completion(scic, completion_entry);
+			scic_sds_controller_task_completion(ihost, completion_entry);
 			break;
 
 		case SCU_COMPLETION_TYPE_SDMA:
-			scic_sds_controller_sdma_completion(scic, completion_entry);
+			scic_sds_controller_sdma_completion(ihost, completion_entry);
 			break;
 
 		case SCU_COMPLETION_TYPE_UFI:
-			scic_sds_controller_unsolicited_frame(scic, completion_entry);
+			scic_sds_controller_unsolicited_frame(ihost, completion_entry);
 			break;
 
 		case SCU_COMPLETION_TYPE_EVENT:
@@ -543,11 +540,11 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
 				       (SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT);
 			event_get = (event_get+1) & (SCU_MAX_EVENTS-1);
 
-			scic_sds_controller_event_completion(scic, completion_entry);
+			scic_sds_controller_event_completion(ihost, completion_entry);
 			break;
 		}
 		default:
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: SCIC Controller received unknown "
 				 "completion type %x\n",
 				 __func__,
@@ -558,7 +555,7 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
 
 	/* Update the get register if we completed one or more entries */
 	if (completion_count > 0) {
-		scic->completion_queue_get =
+		ihost->completion_queue_get =
 			SMU_CQGR_GEN_BIT(ENABLE) |
 			SMU_CQGR_GEN_BIT(EVENT_ENABLE) |
 			event_cycle |
@@ -566,35 +563,35 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
 			get_cycle |
 			SMU_CQGR_GEN_VAL(POINTER, get_index);
 
-		writel(scic->completion_queue_get,
-		       &scic->smu_registers->completion_queue_get);
+		writel(ihost->completion_queue_get,
+		       &ihost->smu_registers->completion_queue_get);
 
 	}
 
-	dev_dbg(scic_to_dev(scic),
+	dev_dbg(&ihost->pdev->dev,
 		"%s: completion queue ending get:0x%08x\n",
 		__func__,
-		scic->completion_queue_get);
+		ihost->completion_queue_get);
 
 }
 
-static void scic_sds_controller_error_handler(struct scic_sds_controller *scic)
+static void scic_sds_controller_error_handler(struct isci_host *ihost)
 {
 	u32 interrupt_status;
 
 	interrupt_status =
-		readl(&scic->smu_registers->interrupt_status);
+		readl(&ihost->smu_registers->interrupt_status);
 
 	if ((interrupt_status & SMU_ISR_QUEUE_SUSPEND) &&
-	    scic_sds_controller_completion_queue_has_entries(scic)) {
+	    scic_sds_controller_completion_queue_has_entries(ihost)) {
 
-		scic_sds_controller_process_completions(scic);
-		writel(SMU_ISR_QUEUE_SUSPEND, &scic->smu_registers->interrupt_status);
+		scic_sds_controller_process_completions(ihost);
+		writel(SMU_ISR_QUEUE_SUSPEND, &ihost->smu_registers->interrupt_status);
 	} else {
-		dev_err(scic_to_dev(scic), "%s: status: %#x\n", __func__,
+		dev_err(&ihost->pdev->dev, "%s: status: %#x\n", __func__,
 			interrupt_status);
 
-		sci_change_state(&scic->sm, SCIC_FAILED);
+		sci_change_state(&ihost->sm, SCIC_FAILED);
 
 		return;
 	}
@@ -602,22 +599,21 @@ static void scic_sds_controller_error_handler(struct scic_sds_controller *scic)
 	/* If we dont process any completions I am not sure that we want to do this.
 	 * We are in the middle of a hardware fault and should probably be reset.
 	 */
-	writel(0, &scic->smu_registers->interrupt_mask);
+	writel(0, &ihost->smu_registers->interrupt_mask);
 }
 
 irqreturn_t isci_intx_isr(int vec, void *data)
 {
 	irqreturn_t ret = IRQ_NONE;
 	struct isci_host *ihost = data;
-	struct scic_sds_controller *scic = &ihost->sci;
 
-	if (scic_sds_controller_isr(scic)) {
-		writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
+	if (scic_sds_controller_isr(ihost)) {
+		writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
 		tasklet_schedule(&ihost->completion_tasklet);
 		ret = IRQ_HANDLED;
-	} else if (scic_sds_controller_error_isr(scic)) {
+	} else if (scic_sds_controller_error_isr(ihost)) {
 		spin_lock(&ihost->scic_lock);
-		scic_sds_controller_error_handler(scic);
+		scic_sds_controller_error_handler(ihost);
 		spin_unlock(&ihost->scic_lock);
 		ret = IRQ_HANDLED;
 	}
@@ -629,8 +625,8 @@ irqreturn_t isci_error_isr(int vec, void *data)
 {
 	struct isci_host *ihost = data;
 
-	if (scic_sds_controller_error_isr(&ihost->sci))
-		scic_sds_controller_error_handler(&ihost->sci);
+	if (scic_sds_controller_error_isr(ihost))
+		scic_sds_controller_error_handler(ihost);
 
 	return IRQ_HANDLED;
 }
@@ -685,11 +681,10 @@ int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time)
  * This method returns the number of milliseconds for the suggested start
  * operation timeout.
  */
-static u32 scic_controller_get_suggested_start_timeout(
-	struct scic_sds_controller *sc)
+static u32 scic_controller_get_suggested_start_timeout(struct isci_host *ihost)
 {
 	/* Validate the user supplied parameters. */
-	if (sc == NULL)
+	if (!ihost)
 		return 0;
 
 	/*
@@ -711,35 +706,32 @@ static u32 scic_controller_get_suggested_start_timeout(
 		+ ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
 }
 
-static void scic_controller_enable_interrupts(
-	struct scic_sds_controller *scic)
+static void scic_controller_enable_interrupts(struct isci_host *ihost)
 {
-	BUG_ON(scic->smu_registers == NULL);
-	writel(0, &scic->smu_registers->interrupt_mask);
+	BUG_ON(ihost->smu_registers == NULL);
+	writel(0, &ihost->smu_registers->interrupt_mask);
 }
 
-void scic_controller_disable_interrupts(
-	struct scic_sds_controller *scic)
+void scic_controller_disable_interrupts(struct isci_host *ihost)
 {
-	BUG_ON(scic->smu_registers == NULL);
-	writel(0xffffffff, &scic->smu_registers->interrupt_mask);
+	BUG_ON(ihost->smu_registers == NULL);
+	writel(0xffffffff, &ihost->smu_registers->interrupt_mask);
 }
 
-static void scic_sds_controller_enable_port_task_scheduler(
-	struct scic_sds_controller *scic)
+static void scic_sds_controller_enable_port_task_scheduler(struct isci_host *ihost)
 {
 	u32 port_task_scheduler_value;
 
 	port_task_scheduler_value =
-		readl(&scic->scu_registers->peg0.ptsg.control);
+		readl(&ihost->scu_registers->peg0.ptsg.control);
 	port_task_scheduler_value |=
 		(SCU_PTSGCR_GEN_BIT(ETM_ENABLE) |
 		 SCU_PTSGCR_GEN_BIT(PTSG_ENABLE));
 	writel(port_task_scheduler_value,
-	       &scic->scu_registers->peg0.ptsg.control);
+	       &ihost->scu_registers->peg0.ptsg.control);
 }
 
-static void scic_sds_controller_assign_task_entries(struct scic_sds_controller *scic)
+static void scic_sds_controller_assign_task_entries(struct isci_host *ihost)
 {
 	u32 task_assignment;
 
@@ -749,32 +741,32 @@ static void scic_sds_controller_assign_task_entries(struct scic_sds_controller *
 	 */
 
 	task_assignment =
-		readl(&scic->smu_registers->task_context_assignment[0]);
+		readl(&ihost->smu_registers->task_context_assignment[0]);
 
 	task_assignment |= (SMU_TCA_GEN_VAL(STARTING, 0)) |
-		(SMU_TCA_GEN_VAL(ENDING,  scic->task_context_entries - 1)) |
+		(SMU_TCA_GEN_VAL(ENDING,  ihost->task_context_entries - 1)) |
 		(SMU_TCA_GEN_BIT(RANGE_CHECK_ENABLE));
 
 	writel(task_assignment,
-		&scic->smu_registers->task_context_assignment[0]);
+		&ihost->smu_registers->task_context_assignment[0]);
 
 }
 
-static void scic_sds_controller_initialize_completion_queue(struct scic_sds_controller *scic)
+static void scic_sds_controller_initialize_completion_queue(struct isci_host *ihost)
 {
 	u32 index;
 	u32 completion_queue_control_value;
 	u32 completion_queue_get_value;
 	u32 completion_queue_put_value;
 
-	scic->completion_queue_get = 0;
+	ihost->completion_queue_get = 0;
 
 	completion_queue_control_value =
 		(SMU_CQC_QUEUE_LIMIT_SET(SCU_MAX_COMPLETION_QUEUE_ENTRIES - 1) |
 		 SMU_CQC_EVENT_LIMIT_SET(SCU_MAX_EVENTS - 1));
 
 	writel(completion_queue_control_value,
-	       &scic->smu_registers->completion_queue_control);
+	       &ihost->smu_registers->completion_queue_control);
 
 
 	/* Set the completion queue get pointer and enable the queue */
@@ -786,7 +778,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
 		);
 
 	writel(completion_queue_get_value,
-	       &scic->smu_registers->completion_queue_get);
+	       &ihost->smu_registers->completion_queue_get);
 
 	/* Set the completion queue put pointer */
 	completion_queue_put_value = (
@@ -795,7 +787,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
 		);
 
 	writel(completion_queue_put_value,
-	       &scic->smu_registers->completion_queue_put);
+	       &ihost->smu_registers->completion_queue_put);
 
 	/* Initialize the cycle bit of the completion queue entries */
 	for (index = 0; index < SCU_MAX_COMPLETION_QUEUE_ENTRIES; index++) {
@@ -803,11 +795,11 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
 		 * If get.cycle_bit != completion_queue.cycle_bit
 		 * its not a valid completion queue entry
 		 * so at system start all entries are invalid */
-		scic->completion_queue[index] = 0x80000000;
+		ihost->completion_queue[index] = 0x80000000;
 	}
 }
 
-static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_sds_controller *scic)
+static void scic_sds_controller_initialize_unsolicited_frame_queue(struct isci_host *ihost)
 {
 	u32 frame_queue_control_value;
 	u32 frame_queue_get_value;
@@ -818,7 +810,7 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
 		SCU_UFQC_GEN_VAL(QUEUE_SIZE, SCU_MAX_UNSOLICITED_FRAMES);
 
 	writel(frame_queue_control_value,
-	       &scic->scu_registers->sdma.unsolicited_frame_queue_control);
+	       &ihost->scu_registers->sdma.unsolicited_frame_queue_control);
 
 	/* Setup the get pointer for the unsolicited frame queue */
 	frame_queue_get_value = (
@@ -827,11 +819,11 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
 		);
 
 	writel(frame_queue_get_value,
-	       &scic->scu_registers->sdma.unsolicited_frame_get_pointer);
+	       &ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
 	/* Setup the put pointer for the unsolicited frame queue */
 	frame_queue_put_value = SCU_UFQPP_GEN_VAL(POINTER, 0);
 	writel(frame_queue_put_value,
-	       &scic->scu_registers->sdma.unsolicited_frame_put_pointer);
+	       &ihost->scu_registers->sdma.unsolicited_frame_put_pointer);
 }
 
 /**
@@ -846,17 +838,16 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
  * none.
  */
 static void scic_sds_controller_transition_to_ready(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	enum sci_status status)
 {
-	struct isci_host *ihost = scic_to_ihost(scic);
 
-	if (scic->sm.current_state_id == SCIC_STARTING) {
+	if (ihost->sm.current_state_id == SCIC_STARTING) {
 		/*
 		 * We move into the ready state, because some of the phys/ports
 		 * may be up and operational.
 		 */
-		sci_change_state(&scic->sm, SCIC_READY);
+		sci_change_state(&ihost->sm, SCIC_READY);
 
 		isci_host_start_complete(ihost, status);
 	}
@@ -892,19 +883,18 @@ static bool is_phy_starting(struct isci_phy *iphy)
  * controller to the READY state and inform the user
  * (scic_cb_controller_start_complete()).
  */
-static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihost)
 {
-	struct isci_host *ihost = scic_to_ihost(scic);
-	struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
+	struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1;
 	struct isci_phy *iphy;
 	enum sci_status status;
 
 	status = SCI_SUCCESS;
 
-	if (scic->phy_startup_timer_pending)
+	if (ihost->phy_startup_timer_pending)
 		return status;
 
-	if (scic->next_phy_to_start >= SCI_MAX_PHYS) {
+	if (ihost->next_phy_to_start >= SCI_MAX_PHYS) {
 		bool is_controller_start_complete = true;
 		u32 state;
 		u8 index;
@@ -934,16 +924,16 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
 		 * The controller has successfully finished the start process.
 		 * Inform the SCI Core user and transition to the READY state. */
 		if (is_controller_start_complete == true) {
-			scic_sds_controller_transition_to_ready(scic, SCI_SUCCESS);
-			sci_del_timer(&scic->phy_timer);
-			scic->phy_startup_timer_pending = false;
+			scic_sds_controller_transition_to_ready(ihost, SCI_SUCCESS);
+			sci_del_timer(&ihost->phy_timer);
+			ihost->phy_startup_timer_pending = false;
 		}
 	} else {
-		iphy = &ihost->phys[scic->next_phy_to_start];
+		iphy = &ihost->phys[ihost->next_phy_to_start];
 
 		if (oem->controller.mode_type == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
 			if (phy_get_non_dummy_port(iphy) == NULL) {
-				scic->next_phy_to_start++;
+				ihost->next_phy_to_start++;
 
 				/* Caution recursion ahead be forwarned
 				 *
@@ -954,27 +944,27 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
 				 * incorrectly for the PORT or it was never
 				 * assigned to a PORT
 				 */
-				return scic_sds_controller_start_next_phy(scic);
+				return scic_sds_controller_start_next_phy(ihost);
 			}
 		}
 
 		status = scic_sds_phy_start(iphy);
 
 		if (status == SCI_SUCCESS) {
-			sci_mod_timer(&scic->phy_timer,
+			sci_mod_timer(&ihost->phy_timer,
 				      SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT);
-			scic->phy_startup_timer_pending = true;
+			ihost->phy_startup_timer_pending = true;
 		} else {
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: Controller stop operation failed "
 				 "to stop phy %d because of status "
 				 "%d.\n",
 				 __func__,
-				 ihost->phys[scic->next_phy_to_start].phy_index,
+				 ihost->phys[ihost->next_phy_to_start].phy_index,
 				 status);
 		}
 
-		scic->next_phy_to_start++;
+		ihost->next_phy_to_start++;
 	}
 
 	return status;
@@ -983,8 +973,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
 static void phy_startup_timeout(unsigned long data)
 {
 	struct sci_timer *tmr = (struct sci_timer *)data;
-	struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), phy_timer);
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = container_of(tmr, typeof(*ihost), phy_timer);
 	unsigned long flags;
 	enum sci_status status;
 
@@ -993,10 +982,10 @@ static void phy_startup_timeout(unsigned long data)
 	if (tmr->cancel)
 		goto done;
 
-	scic->phy_startup_timer_pending = false;
+	ihost->phy_startup_timer_pending = false;
 
 	do {
-		status = scic_sds_controller_start_next_phy(scic);
+		status = scic_sds_controller_start_next_phy(ihost);
 	} while (status != SCI_SUCCESS);
 
 done:
@@ -1008,15 +997,14 @@ static u16 isci_tci_active(struct isci_host *ihost)
 	return CIRC_CNT(ihost->tci_head, ihost->tci_tail, SCI_MAX_IO_REQUESTS);
 }
 
-static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
+static enum sci_status scic_controller_start(struct isci_host *ihost,
 					     u32 timeout)
 {
-	struct isci_host *ihost = scic_to_ihost(scic);
 	enum sci_status result;
 	u16 index;
 
-	if (scic->sm.current_state_id != SCIC_INITIALIZED) {
-		dev_warn(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_INITIALIZED) {
+		dev_warn(&ihost->pdev->dev,
 			 "SCIC Controller start operation requested in "
 			 "invalid state\n");
 		return SCI_FAILURE_INVALID_STATE;
@@ -1026,34 +1014,34 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
 	BUILD_BUG_ON(SCI_MAX_IO_REQUESTS > 1 << sizeof(ihost->tci_pool[0]) * 8);
 	ihost->tci_head = 0;
 	ihost->tci_tail = 0;
-	for (index = 0; index < scic->task_context_entries; index++)
+	for (index = 0; index < ihost->task_context_entries; index++)
 		isci_tci_free(ihost, index);
 
 	/* Build the RNi free pool */
 	scic_sds_remote_node_table_initialize(
-			&scic->available_remote_nodes,
-			scic->remote_node_entries);
+			&ihost->available_remote_nodes,
+			ihost->remote_node_entries);
 
 	/*
 	 * Before anything else lets make sure we will not be
 	 * interrupted by the hardware.
 	 */
-	scic_controller_disable_interrupts(scic);
+	scic_controller_disable_interrupts(ihost);
 
 	/* Enable the port task scheduler */
-	scic_sds_controller_enable_port_task_scheduler(scic);
+	scic_sds_controller_enable_port_task_scheduler(ihost);
 
-	/* Assign all the task entries to scic physical function */
-	scic_sds_controller_assign_task_entries(scic);
+	/* Assign all the task entries to ihost physical function */
+	scic_sds_controller_assign_task_entries(ihost);
 
 	/* Now initialize the completion queue */
-	scic_sds_controller_initialize_completion_queue(scic);
+	scic_sds_controller_initialize_completion_queue(ihost);
 
 	/* Initialize the unsolicited frame queue for use */
-	scic_sds_controller_initialize_unsolicited_frame_queue(scic);
+	scic_sds_controller_initialize_unsolicited_frame_queue(ihost);
 
 	/* Start all of the ports on this controller */
-	for (index = 0; index < scic->logical_port_entries; index++) {
+	for (index = 0; index < ihost->logical_port_entries; index++) {
 		struct isci_port *iport = &ihost->ports[index];
 
 		result = scic_sds_port_start(iport);
@@ -1061,11 +1049,11 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
 			return result;
 	}
 
-	scic_sds_controller_start_next_phy(scic);
+	scic_sds_controller_start_next_phy(ihost);
 
-	sci_mod_timer(&scic->timer, timeout);
+	sci_mod_timer(&ihost->timer, timeout);
 
-	sci_change_state(&scic->sm, SCIC_STARTING);
+	sci_change_state(&ihost->sm, SCIC_STARTING);
 
 	return SCI_SUCCESS;
 }
@@ -1073,35 +1061,35 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
 void isci_host_scan_start(struct Scsi_Host *shost)
 {
 	struct isci_host *ihost = SHOST_TO_SAS_HA(shost)->lldd_ha;
-	unsigned long tmo = scic_controller_get_suggested_start_timeout(&ihost->sci);
+	unsigned long tmo = scic_controller_get_suggested_start_timeout(ihost);
 
 	set_bit(IHOST_START_PENDING, &ihost->flags);
 
 	spin_lock_irq(&ihost->scic_lock);
-	scic_controller_start(&ihost->sci, tmo);
-	scic_controller_enable_interrupts(&ihost->sci);
+	scic_controller_start(ihost, tmo);
+	scic_controller_enable_interrupts(ihost);
 	spin_unlock_irq(&ihost->scic_lock);
 }
 
 static void isci_host_stop_complete(struct isci_host *ihost, enum sci_status completion_status)
 {
 	isci_host_change_state(ihost, isci_stopped);
-	scic_controller_disable_interrupts(&ihost->sci);
+	scic_controller_disable_interrupts(ihost);
 	clear_bit(IHOST_STOP_PENDING, &ihost->flags);
 	wake_up(&ihost->eventq);
 }
 
-static void scic_sds_controller_completion_handler(struct scic_sds_controller *scic)
+static void scic_sds_controller_completion_handler(struct isci_host *ihost)
 {
 	/* Empty out the completion queue */
-	if (scic_sds_controller_completion_queue_has_entries(scic))
-		scic_sds_controller_process_completions(scic);
+	if (scic_sds_controller_completion_queue_has_entries(ihost))
+		scic_sds_controller_process_completions(ihost);
 
 	/* Clear the interrupt and enable all interrupts again */
-	writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
+	writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
 	/* Could we write the value of SMU_ISR_COMPLETION? */
-	writel(0xFF000000, &scic->smu_registers->interrupt_mask);
-	writel(0, &scic->smu_registers->interrupt_mask);
+	writel(0xFF000000, &ihost->smu_registers->interrupt_mask);
+	writel(0, &ihost->smu_registers->interrupt_mask);
 }
 
 /**
@@ -1114,7 +1102,7 @@ static void scic_sds_controller_completion_handler(struct scic_sds_controller *s
  */
 static void isci_host_completion_routine(unsigned long data)
 {
-	struct isci_host *isci_host = (struct isci_host *)data;
+	struct isci_host *ihost = (struct isci_host *)data;
 	struct list_head    completed_request_list;
 	struct list_head    errored_request_list;
 	struct list_head    *current_position;
@@ -1126,20 +1114,20 @@ static void isci_host_completion_routine(unsigned long data)
 	INIT_LIST_HEAD(&completed_request_list);
 	INIT_LIST_HEAD(&errored_request_list);
 
-	spin_lock_irq(&isci_host->scic_lock);
+	spin_lock_irq(&ihost->scic_lock);
 
-	scic_sds_controller_completion_handler(&isci_host->sci);
+	scic_sds_controller_completion_handler(ihost);
 
 	/* Take the lists of completed I/Os from the host. */
 
-	list_splice_init(&isci_host->requests_to_complete,
+	list_splice_init(&ihost->requests_to_complete,
 			 &completed_request_list);
 
 	/* Take the list of errored I/Os from the host. */
-	list_splice_init(&isci_host->requests_to_errorback,
+	list_splice_init(&ihost->requests_to_errorback,
 			 &errored_request_list);
 
-	spin_unlock_irq(&isci_host->scic_lock);
+	spin_unlock_irq(&ihost->scic_lock);
 
 	/* Process any completions in the lists. */
 	list_for_each_safe(current_position, next_position,
@@ -1150,7 +1138,7 @@ static void isci_host_completion_routine(unsigned long data)
 		task = isci_request_access_task(request);
 
 		/* Normal notification (task_done) */
-		dev_dbg(&isci_host->pdev->dev,
+		dev_dbg(&ihost->pdev->dev,
 			"%s: Normal - request/task = %p/%p\n",
 			__func__,
 			request,
@@ -1169,9 +1157,9 @@ static void isci_host_completion_routine(unsigned long data)
 			}
 		}
 
-		spin_lock_irq(&isci_host->scic_lock);
-		isci_free_tag(isci_host, request->io_tag);
-		spin_unlock_irq(&isci_host->scic_lock);
+		spin_lock_irq(&ihost->scic_lock);
+		isci_free_tag(ihost, request->io_tag);
+		spin_unlock_irq(&ihost->scic_lock);
 	}
 	list_for_each_entry_safe(request, next_request, &errored_request_list,
 				 completed_node) {
@@ -1179,7 +1167,7 @@ static void isci_host_completion_routine(unsigned long data)
 		task = isci_request_access_task(request);
 
 		/* Use sas_task_abort */
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 			 "%s: Error - request/task = %p/%p\n",
 			 __func__,
 			 request,
@@ -1202,13 +1190,13 @@ static void isci_host_completion_routine(unsigned long data)
 			 * it.
 			 */
 
-			spin_lock_irq(&isci_host->scic_lock);
+			spin_lock_irq(&ihost->scic_lock);
 			/* Remove the request from the remote device's list
 			* of pending requests.
 			*/
 			list_del_init(&request->dev_node);
-			isci_free_tag(isci_host, request->io_tag);
-			spin_unlock_irq(&isci_host->scic_lock);
+			isci_free_tag(ihost, request->io_tag);
+			spin_unlock_irq(&ihost->scic_lock);
 		}
 	}
 
@@ -1232,18 +1220,18 @@ static void isci_host_completion_routine(unsigned long data)
  * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
  * controller is not either in the STARTED or STOPPED states.
  */
-static enum sci_status scic_controller_stop(struct scic_sds_controller *scic,
+static enum sci_status scic_controller_stop(struct isci_host *ihost,
 					    u32 timeout)
 {
-	if (scic->sm.current_state_id != SCIC_READY) {
-		dev_warn(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_READY) {
+		dev_warn(&ihost->pdev->dev,
 			 "SCIC Controller stop operation requested in "
 			 "invalid state\n");
 		return SCI_FAILURE_INVALID_STATE;
 	}
 
-	sci_mod_timer(&scic->timer, timeout);
-	sci_change_state(&scic->sm, SCIC_STOPPING);
+	sci_mod_timer(&ihost->timer, timeout);
+	sci_change_state(&ihost->sm, SCIC_STOPPING);
 	return SCI_SUCCESS;
 }
 
@@ -1259,9 +1247,9 @@ static enum sci_status scic_controller_stop(struct scic_sds_controller *scic,
  * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
  * the controller reset operation is unable to complete.
  */
-static enum sci_status scic_controller_reset(struct scic_sds_controller *scic)
+static enum sci_status scic_controller_reset(struct isci_host *ihost)
 {
-	switch (scic->sm.current_state_id) {
+	switch (ihost->sm.current_state_id) {
 	case SCIC_RESET:
 	case SCIC_READY:
 	case SCIC_STOPPED:
@@ -1270,10 +1258,10 @@ static enum sci_status scic_controller_reset(struct scic_sds_controller *scic)
 		 * The reset operation is not a graceful cleanup, just
 		 * perform the state transition.
 		 */
-		sci_change_state(&scic->sm, SCIC_RESETTING);
+		sci_change_state(&ihost->sm, SCIC_RESETTING);
 		return SCI_SUCCESS;
 	default:
-		dev_warn(scic_to_dev(scic),
+		dev_warn(&ihost->pdev->dev,
 			 "SCIC Controller reset operation requested in "
 			 "invalid state\n");
 		return SCI_FAILURE_INVALID_STATE;
@@ -1298,14 +1286,14 @@ void isci_host_deinit(struct isci_host *ihost)
 	set_bit(IHOST_STOP_PENDING, &ihost->flags);
 
 	spin_lock_irq(&ihost->scic_lock);
-	scic_controller_stop(&ihost->sci, SCIC_CONTROLLER_STOP_TIMEOUT);
+	scic_controller_stop(ihost, SCIC_CONTROLLER_STOP_TIMEOUT);
 	spin_unlock_irq(&ihost->scic_lock);
 
 	wait_for_stop(ihost);
-	scic_controller_reset(&ihost->sci);
+	scic_controller_reset(ihost);
 
 	/* Cancel any/all outstanding port timers */
-	for (i = 0; i < ihost->sci.logical_port_entries; i++) {
+	for (i = 0; i < ihost->logical_port_entries; i++) {
 		struct isci_port *iport = &ihost->ports[i];
 		del_timer_sync(&iport->timer.timer);
 	}
@@ -1316,13 +1304,13 @@ void isci_host_deinit(struct isci_host *ihost)
 		del_timer_sync(&iphy->sata_timer.timer);
 	}
 
-	del_timer_sync(&ihost->sci.port_agent.timer.timer);
+	del_timer_sync(&ihost->port_agent.timer.timer);
 
-	del_timer_sync(&ihost->sci.power_control.timer.timer);
+	del_timer_sync(&ihost->power_control.timer.timer);
 
-	del_timer_sync(&ihost->sci.timer.timer);
+	del_timer_sync(&ihost->timer.timer);
 
-	del_timer_sync(&ihost->sci.phy_timer.timer);
+	del_timer_sync(&ihost->phy_timer.timer);
 }
 
 static void __iomem *scu_base(struct isci_host *isci_host)
@@ -1369,16 +1357,16 @@ static void isci_user_parameters_get(
 
 static void scic_sds_controller_initial_state_enter(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
-	sci_change_state(&scic->sm, SCIC_RESET);
+	sci_change_state(&ihost->sm, SCIC_RESET);
 }
 
 static inline void scic_sds_controller_starting_state_exit(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
-	sci_del_timer(&scic->timer);
+	sci_del_timer(&ihost->timer);
 }
 
 #define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853
@@ -1405,10 +1393,10 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state
  * SCI_SUCCESS The user successfully updated the interrutp coalescence.
  * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
  */
-static enum sci_status scic_controller_set_interrupt_coalescence(
-	struct scic_sds_controller *scic_controller,
-	u32 coalesce_number,
-	u32 coalesce_timeout)
+static enum sci_status
+scic_controller_set_interrupt_coalescence(struct isci_host *ihost,
+					  u32 coalesce_number,
+					  u32 coalesce_timeout)
 {
 	u8 timeout_encode = 0;
 	u32 min = 0;
@@ -1491,11 +1479,11 @@ static enum sci_status scic_controller_set_interrupt_coalescence(
 
 	writel(SMU_ICC_GEN_VAL(NUMBER, coalesce_number) |
 	       SMU_ICC_GEN_VAL(TIMER, timeout_encode),
-	       &scic_controller->smu_registers->interrupt_coalesce_control);
+	       &ihost->smu_registers->interrupt_coalesce_control);
 
 
-	scic_controller->interrupt_coalesce_number = (u16)coalesce_number;
-	scic_controller->interrupt_coalesce_timeout = coalesce_timeout / 100;
+	ihost->interrupt_coalesce_number = (u16)coalesce_number;
+	ihost->interrupt_coalesce_timeout = coalesce_timeout / 100;
 
 	return SCI_SUCCESS;
 }
@@ -1503,26 +1491,25 @@ static enum sci_status scic_controller_set_interrupt_coalescence(
 
 static void scic_sds_controller_ready_state_enter(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
 	/* set the default interrupt coalescence number and timeout value. */
-	scic_controller_set_interrupt_coalescence(scic, 0x10, 250);
+	scic_controller_set_interrupt_coalescence(ihost, 0x10, 250);
 }
 
 static void scic_sds_controller_ready_state_exit(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
 	/* disable interrupt coalescence. */
-	scic_controller_set_interrupt_coalescence(scic, 0, 0);
+	scic_controller_set_interrupt_coalescence(ihost, 0, 0);
 }
 
-static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost)
 {
 	u32 index;
 	enum sci_status status;
 	enum sci_status phy_status;
-	struct isci_host *ihost = scic_to_ihost(scic);
 
 	status = SCI_SUCCESS;
 
@@ -1533,7 +1520,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
 		    phy_status != SCI_FAILURE_INVALID_STATE) {
 			status = SCI_FAILURE;
 
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: Controller stop operation failed to stop "
 				 "phy %d because of status %d.\n",
 				 __func__,
@@ -1544,14 +1531,13 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
 	return status;
 }
 
-static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost)
 {
 	u32 index;
 	enum sci_status port_status;
 	enum sci_status status = SCI_SUCCESS;
-	struct isci_host *ihost = scic_to_ihost(scic);
 
-	for (index = 0; index < scic->logical_port_entries; index++) {
+	for (index = 0; index < ihost->logical_port_entries; index++) {
 		struct isci_port *iport = &ihost->ports[index];
 
 		port_status = scic_sds_port_stop(iport);
@@ -1560,7 +1546,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller
 		    (port_status != SCI_FAILURE_INVALID_STATE)) {
 			status = SCI_FAILURE;
 
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: Controller stop operation failed to "
 				 "stop port %d because of status %d.\n",
 				 __func__,
@@ -1572,7 +1558,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller
 	return status;
 }
 
-static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controller *scic)
+static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost)
 {
 	u32 index;
 	enum sci_status status;
@@ -1580,19 +1566,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll
 
 	status = SCI_SUCCESS;
 
-	for (index = 0; index < scic->remote_node_entries; index++) {
-		if (scic->device_table[index] != NULL) {
+	for (index = 0; index < ihost->remote_node_entries; index++) {
+		if (ihost->device_table[index] != NULL) {
 			/* / @todo What timeout value do we want to provide to this request? */
-			device_status = scic_remote_device_stop(scic->device_table[index], 0);
+			device_status = scic_remote_device_stop(ihost->device_table[index], 0);
 
 			if ((device_status != SCI_SUCCESS) &&
 			    (device_status != SCI_FAILURE_INVALID_STATE)) {
-				dev_warn(scic_to_dev(scic),
+				dev_warn(&ihost->pdev->dev,
 					 "%s: Controller stop operation failed "
 					 "to stop device 0x%p because of "
 					 "status %d.\n",
 					 __func__,
-					 scic->device_table[index], device_status);
+					 ihost->device_table[index], device_status);
 			}
 		}
 	}
@@ -1602,19 +1588,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll
 
 static void scic_sds_controller_stopping_state_enter(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
 	/* Stop all of the components for this controller */
-	scic_sds_controller_stop_phys(scic);
-	scic_sds_controller_stop_ports(scic);
-	scic_sds_controller_stop_devices(scic);
+	scic_sds_controller_stop_phys(ihost);
+	scic_sds_controller_stop_ports(ihost);
+	scic_sds_controller_stop_devices(ihost);
 }
 
 static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
-	sci_del_timer(&scic->timer);
+	sci_del_timer(&ihost->timer);
 }
 
 
@@ -1623,30 +1609,30 @@ static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machin
  *
  * This method will reset the controller hardware.
  */
-static void scic_sds_controller_reset_hardware(struct scic_sds_controller *scic)
+static void scic_sds_controller_reset_hardware(struct isci_host *ihost)
 {
 	/* Disable interrupts so we dont take any spurious interrupts */
-	scic_controller_disable_interrupts(scic);
+	scic_controller_disable_interrupts(ihost);
 
 	/* Reset the SCU */
-	writel(0xFFFFFFFF, &scic->smu_registers->soft_reset_control);
+	writel(0xFFFFFFFF, &ihost->smu_registers->soft_reset_control);
 
 	/* Delay for 1ms to before clearing the CQP and UFQPR. */
 	udelay(1000);
 
 	/* The write to the CQGR clears the CQP */
-	writel(0x00000000, &scic->smu_registers->completion_queue_get);
+	writel(0x00000000, &ihost->smu_registers->completion_queue_get);
 
 	/* The write to the UFQGP clears the UFQPR */
-	writel(0, &scic->scu_registers->sdma.unsolicited_frame_get_pointer);
+	writel(0, &ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
 }
 
 static void scic_sds_controller_resetting_state_enter(struct sci_base_state_machine *sm)
 {
-	struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
+	struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
 
-	scic_sds_controller_reset_hardware(scic);
-	sci_change_state(&scic->sm, SCIC_RESET);
+	scic_sds_controller_reset_hardware(ihost);
+	sci_change_state(&ihost->sm, SCIC_RESET);
 }
 
 static const struct sci_base_state scic_sds_controller_state_table[] = {
@@ -1674,58 +1660,56 @@ static const struct sci_base_state scic_sds_controller_state_table[] = {
 	[SCIC_FAILED] = {}
 };
 
-static void scic_sds_controller_set_default_config_parameters(struct scic_sds_controller *scic)
+static void scic_sds_controller_set_default_config_parameters(struct isci_host *ihost)
 {
 	/* these defaults are overridden by the platform / firmware */
-	struct isci_host *ihost = scic_to_ihost(scic);
 	u16 index;
 
 	/* Default to APC mode. */
-	scic->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
+	ihost->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
 
 	/* Default to APC mode. */
-	scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1;
+	ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1;
 
 	/* Default to no SSC operation. */
-	scic->oem_parameters.sds1.controller.do_enable_ssc = false;
+	ihost->oem_parameters.sds1.controller.do_enable_ssc = false;
 
 	/* Initialize all of the port parameter information to narrow ports. */
 	for (index = 0; index < SCI_MAX_PORTS; index++) {
-		scic->oem_parameters.sds1.ports[index].phy_mask = 0;
+		ihost->oem_parameters.sds1.ports[index].phy_mask = 0;
 	}
 
 	/* Initialize all of the phy parameter information. */
 	for (index = 0; index < SCI_MAX_PHYS; index++) {
 		/* Default to 6G (i.e. Gen 3) for now. */
-		scic->user_parameters.sds1.phys[index].max_speed_generation = 3;
+		ihost->user_parameters.sds1.phys[index].max_speed_generation = 3;
 
 		/* the frequencies cannot be 0 */
-		scic->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f;
-		scic->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff;
-		scic->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33;
+		ihost->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f;
+		ihost->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff;
+		ihost->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33;
 
 		/*
 		 * Previous Vitesse based expanders had a arbitration issue that
 		 * is worked around by having the upper 32-bits of SAS address
 		 * with a value greater then the Vitesse company identifier.
 		 * Hence, usage of 0x5FCFFFFF. */
-		scic->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id;
-		scic->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF;
+		ihost->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id;
+		ihost->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF;
 	}
 
-	scic->user_parameters.sds1.stp_inactivity_timeout = 5;
-	scic->user_parameters.sds1.ssp_inactivity_timeout = 5;
-	scic->user_parameters.sds1.stp_max_occupancy_timeout = 5;
-	scic->user_parameters.sds1.ssp_max_occupancy_timeout = 20;
-	scic->user_parameters.sds1.no_outbound_task_timeout = 20;
+	ihost->user_parameters.sds1.stp_inactivity_timeout = 5;
+	ihost->user_parameters.sds1.ssp_inactivity_timeout = 5;
+	ihost->user_parameters.sds1.stp_max_occupancy_timeout = 5;
+	ihost->user_parameters.sds1.ssp_max_occupancy_timeout = 20;
+	ihost->user_parameters.sds1.no_outbound_task_timeout = 20;
 }
 
 static void controller_timeout(unsigned long data)
 {
 	struct sci_timer *tmr = (struct sci_timer *)data;
-	struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), timer);
-	struct isci_host *ihost = scic_to_ihost(scic);
-	struct sci_base_state_machine *sm = &scic->sm;
+	struct isci_host *ihost = container_of(tmr, typeof(*ihost), timer);
+	struct sci_base_state_machine *sm = &ihost->sm;
 	unsigned long flags;
 
 	spin_lock_irqsave(&ihost->scic_lock, flags);
@@ -1734,12 +1718,12 @@ static void controller_timeout(unsigned long data)
 		goto done;
 
 	if (sm->current_state_id == SCIC_STARTING)
-		scic_sds_controller_transition_to_ready(scic, SCI_FAILURE_TIMEOUT);
+		scic_sds_controller_transition_to_ready(ihost, SCI_FAILURE_TIMEOUT);
 	else if (sm->current_state_id == SCIC_STOPPING) {
 		sci_change_state(sm, SCIC_FAILED);
 		isci_host_stop_complete(ihost, SCI_FAILURE_TIMEOUT);
 	} else	/* / @todo Now what do we want to do in this case? */
-		dev_err(scic_to_dev(scic),
+		dev_err(&ihost->pdev->dev,
 			"%s: Controller timer fired when controller was not "
 			"in a state being timed.\n",
 			__func__);
@@ -1764,24 +1748,23 @@ done:
  * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
  * controller does not support the supplied initialization data version.
  */
-static enum sci_status scic_controller_construct(struct scic_sds_controller *scic,
+static enum sci_status scic_controller_construct(struct isci_host *ihost,
 					  void __iomem *scu_base,
 					  void __iomem *smu_base)
 {
-	struct isci_host *ihost = scic_to_ihost(scic);
 	u8 i;
 
-	sci_init_sm(&scic->sm, scic_sds_controller_state_table, SCIC_INITIAL);
+	sci_init_sm(&ihost->sm, scic_sds_controller_state_table, SCIC_INITIAL);
 
-	scic->scu_registers = scu_base;
-	scic->smu_registers = smu_base;
+	ihost->scu_registers = scu_base;
+	ihost->smu_registers = smu_base;
 
-	scic_sds_port_configuration_agent_construct(&scic->port_agent);
+	scic_sds_port_configuration_agent_construct(&ihost->port_agent);
 
 	/* Construct the ports for this controller */
 	for (i = 0; i < SCI_MAX_PORTS; i++)
-		scic_sds_port_construct(&ihost->ports[i], i, scic);
-	scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, scic);
+		scic_sds_port_construct(&ihost->ports[i], i, ihost);
+	scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, ihost);
 
 	/* Construct the phys for this controller */
 	for (i = 0; i < SCI_MAX_PHYS; i++) {
@@ -1790,14 +1773,14 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci
 				       &ihost->ports[SCI_MAX_PORTS], i);
 	}
 
-	scic->invalid_phy_mask = 0;
+	ihost->invalid_phy_mask = 0;
 
-	sci_init_timer(&scic->timer, controller_timeout);
+	sci_init_timer(&ihost->timer, controller_timeout);
 
 	/* Initialize the User and OEM parameters to default values. */
-	scic_sds_controller_set_default_config_parameters(scic);
+	scic_sds_controller_set_default_config_parameters(ihost);
 
-	return scic_controller_reset(scic);
+	return scic_controller_reset(ihost);
 }
 
 int scic_oem_parameters_validate(struct scic_sds_oem_params *oem)
@@ -1834,10 +1817,10 @@ int scic_oem_parameters_validate(struct scic_sds_oem_params *oem)
 	return 0;
 }
 
-static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
+static enum sci_status scic_oem_parameters_set(struct isci_host *ihost,
 					union scic_oem_parameters *scic_parms)
 {
-	u32 state = scic->sm.current_state_id;
+	u32 state = ihost->sm.current_state_id;
 
 	if (state == SCIC_RESET ||
 	    state == SCIC_INITIALIZING ||
@@ -1845,7 +1828,7 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
 
 		if (scic_oem_parameters_validate(&scic_parms->sds1))
 			return SCI_FAILURE_INVALID_PARAMETER_VALUE;
-		scic->oem_parameters.sds1 = scic_parms->sds1;
+		ihost->oem_parameters.sds1 = scic_parms->sds1;
 
 		return SCI_SUCCESS;
 	}
@@ -1854,17 +1837,16 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
 }
 
 void scic_oem_parameters_get(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	union scic_oem_parameters *scic_parms)
 {
-	memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms));
+	memcpy(scic_parms, (&ihost->oem_parameters), sizeof(*scic_parms));
 }
 
 static void power_control_timeout(unsigned long data)
 {
 	struct sci_timer *tmr = (struct sci_timer *)data;
-	struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), power_control.timer);
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = container_of(tmr, typeof(*ihost), power_control.timer);
 	struct isci_phy *iphy;
 	unsigned long flags;
 	u8 i;
@@ -1874,29 +1856,29 @@ static void power_control_timeout(unsigned long data)
 	if (tmr->cancel)
 		goto done;
 
-	scic->power_control.phys_granted_power = 0;
+	ihost->power_control.phys_granted_power = 0;
 
-	if (scic->power_control.phys_waiting == 0) {
-		scic->power_control.timer_started = false;
+	if (ihost->power_control.phys_waiting == 0) {
+		ihost->power_control.timer_started = false;
 		goto done;
 	}
 
 	for (i = 0; i < SCI_MAX_PHYS; i++) {
 
-		if (scic->power_control.phys_waiting == 0)
+		if (ihost->power_control.phys_waiting == 0)
 			break;
 
-		iphy = scic->power_control.requesters[i];
+		iphy = ihost->power_control.requesters[i];
 		if (iphy == NULL)
 			continue;
 
-		if (scic->power_control.phys_granted_power >=
-		    scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up)
+		if (ihost->power_control.phys_granted_power >=
+		    ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up)
 			break;
 
-		scic->power_control.requesters[i] = NULL;
-		scic->power_control.phys_waiting--;
-		scic->power_control.phys_granted_power++;
+		ihost->power_control.requesters[i] = NULL;
+		ihost->power_control.phys_waiting--;
+		ihost->power_control.phys_granted_power++;
 		scic_sds_phy_consume_power_handler(iphy);
 	}
 
@@ -1905,7 +1887,7 @@ static void power_control_timeout(unsigned long data)
 	 * timer in case another phy becomes ready.
 	 */
 	sci_mod_timer(tmr, SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
-	scic->power_control.timer_started = true;
+	ihost->power_control.timer_started = true;
 
 done:
 	spin_unlock_irqrestore(&ihost->scic_lock, flags);
@@ -1918,31 +1900,31 @@ done:
  *
  */
 void scic_sds_controller_power_control_queue_insert(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_phy *iphy)
 {
 	BUG_ON(iphy == NULL);
 
-	if (scic->power_control.phys_granted_power <
-	    scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) {
-		scic->power_control.phys_granted_power++;
+	if (ihost->power_control.phys_granted_power <
+	    ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) {
+		ihost->power_control.phys_granted_power++;
 		scic_sds_phy_consume_power_handler(iphy);
 
 		/*
 		 * stop and start the power_control timer. When the timer fires, the
 		 * no_of_phys_granted_power will be set to 0
 		 */
-		if (scic->power_control.timer_started)
-			sci_del_timer(&scic->power_control.timer);
+		if (ihost->power_control.timer_started)
+			sci_del_timer(&ihost->power_control.timer);
 
-		sci_mod_timer(&scic->power_control.timer,
+		sci_mod_timer(&ihost->power_control.timer,
 				 SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
-		scic->power_control.timer_started = true;
+		ihost->power_control.timer_started = true;
 
 	} else {
 		/* Add the phy in the waiting list */
-		scic->power_control.requesters[iphy->phy_index] = iphy;
-		scic->power_control.phys_waiting++;
+		ihost->power_control.requesters[iphy->phy_index] = iphy;
+		ihost->power_control.phys_waiting++;
 	}
 }
 
@@ -1953,16 +1935,16 @@ void scic_sds_controller_power_control_queue_insert(
  *
  */
 void scic_sds_controller_power_control_queue_remove(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_phy *iphy)
 {
 	BUG_ON(iphy == NULL);
 
-	if (scic->power_control.requesters[iphy->phy_index] != NULL) {
-		scic->power_control.phys_waiting--;
+	if (ihost->power_control.requesters[iphy->phy_index] != NULL) {
+		ihost->power_control.phys_waiting--;
 	}
 
-	scic->power_control.requesters[iphy->phy_index] = NULL;
+	ihost->power_control.requesters[iphy->phy_index] = NULL;
 }
 
 #define AFE_REGISTER_WRITE_DELAY 10
@@ -1970,50 +1952,50 @@ void scic_sds_controller_power_control_queue_remove(
 /* Initialize the AFE for this phy index. We need to read the AFE setup from
  * the OEM parameters
  */
-static void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
+static void scic_sds_controller_afe_initialization(struct isci_host *ihost)
 {
-	const struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
+	const struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1;
 	u32 afe_status;
 	u32 phy_id;
 
 	/* Clear DFX Status registers */
-	writel(0x0081000f, &scic->scu_registers->afe.afe_dfx_master_control0);
+	writel(0x0081000f, &ihost->scu_registers->afe.afe_dfx_master_control0);
 	udelay(AFE_REGISTER_WRITE_DELAY);
 
 	if (is_b0()) {
 		/* PM Rx Equalization Save, PM SPhy Rx Acknowledgement
 		 * Timer, PM Stagger Timer */
-		writel(0x0007BFFF, &scic->scu_registers->afe.afe_pmsn_master_control2);
+		writel(0x0007BFFF, &ihost->scu_registers->afe.afe_pmsn_master_control2);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 	}
 
 	/* Configure bias currents to normal */
 	if (is_a0())
-		writel(0x00005500, &scic->scu_registers->afe.afe_bias_control);
+		writel(0x00005500, &ihost->scu_registers->afe.afe_bias_control);
 	else if (is_a2())
-		writel(0x00005A00, &scic->scu_registers->afe.afe_bias_control);
+		writel(0x00005A00, &ihost->scu_registers->afe.afe_bias_control);
 	else if (is_b0() || is_c0())
-		writel(0x00005F00, &scic->scu_registers->afe.afe_bias_control);
+		writel(0x00005F00, &ihost->scu_registers->afe.afe_bias_control);
 
 	udelay(AFE_REGISTER_WRITE_DELAY);
 
 	/* Enable PLL */
 	if (is_b0() || is_c0())
-		writel(0x80040A08, &scic->scu_registers->afe.afe_pll_control0);
+		writel(0x80040A08, &ihost->scu_registers->afe.afe_pll_control0);
 	else
-		writel(0x80040908, &scic->scu_registers->afe.afe_pll_control0);
+		writel(0x80040908, &ihost->scu_registers->afe.afe_pll_control0);
 
 	udelay(AFE_REGISTER_WRITE_DELAY);
 
 	/* Wait for the PLL to lock */
 	do {
-		afe_status = readl(&scic->scu_registers->afe.afe_common_block_status);
+		afe_status = readl(&ihost->scu_registers->afe.afe_common_block_status);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 	} while ((afe_status & 0x00001000) == 0);
 
 	if (is_a0() || is_a2()) {
 		/* Shorten SAS SNW lock time (RxLock timer value from 76 us to 50 us) */
-		writel(0x7bcc96ad, &scic->scu_registers->afe.afe_pmsn_master_control0);
+		writel(0x7bcc96ad, &ihost->scu_registers->afe.afe_pmsn_master_control0);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 	}
 
@@ -2022,26 +2004,26 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
 
 		if (is_b0()) {
 			 /* Configure transmitter SSC parameters */
-			writel(0x00030000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
+			writel(0x00030000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 		} else if (is_c0()) {
 			 /* Configure transmitter SSC parameters */
-			writel(0x0003000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
+			writel(0x0003000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
 			/*
 			 * All defaults, except the Receive Word Alignament/Comma Detect
 			 * Enable....(0xe800) */
-			writel(0x00004500, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
+			writel(0x00004500, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 		} else {
 			/*
 			 * All defaults, except the Receive Word Alignament/Comma Detect
 			 * Enable....(0xe800) */
-			writel(0x00004512, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
+			writel(0x00004512, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
-			writel(0x0050100F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1);
+			writel(0x0050100F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 		}
 
@@ -2049,106 +2031,105 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
 		 * Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
 		 * & increase TX int & ext bias 20%....(0xe85c) */
 		if (is_a0())
-			writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 		else if (is_a2())
-			writel(0x000003F0, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000003F0, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 		else if (is_b0()) {
 			 /* Power down TX and RX (PWRDNTX and PWRDNRX) */
-			writel(0x000003D7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000003D7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
 			/*
 			 * Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
 			 * & increase TX int & ext bias 20%....(0xe85c) */
-			writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 		} else {
-			writel(0x000001E7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000001E7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
 			/*
 			 * Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
 			 * & increase TX int & ext bias 20%....(0xe85c) */
-			writel(0x000001E4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
+			writel(0x000001E4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
 		}
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		if (is_a0() || is_a2()) {
 			/* Enable TX equalization (0xe824) */
-			writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
+			writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 		}
 
 		/*
 		 * RDPI=0x0(RX Power On), RXOOBDETPDNC=0x0, TPD=0x0(TX Power On),
 		 * RDD=0x0(RX Detect Enabled) ....(0xe800) */
-		writel(0x00004100, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
+		writel(0x00004100, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		/* Leave DFE/FFE on */
 		if (is_a0())
-			writel(0x3F09983F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
+			writel(0x3F09983F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
 		else if (is_a2())
-			writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
+			writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
 		else if (is_b0()) {
-			writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
+			writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 			/* Enable TX equalization (0xe824) */
-			writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
+			writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
 		} else {
-			writel(0x0140DF0F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1);
+			writel(0x0140DF0F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
-			writel(0x3F6F103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
+			writel(0x3F6F103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
 			udelay(AFE_REGISTER_WRITE_DELAY);
 
 			/* Enable TX equalization (0xe824) */
-			writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
+			writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
 		}
 
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		writel(oem_phy->afe_tx_amp_control0,
-			&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0);
+			&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		writel(oem_phy->afe_tx_amp_control1,
-			&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1);
+			&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		writel(oem_phy->afe_tx_amp_control2,
-			&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2);
+			&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 
 		writel(oem_phy->afe_tx_amp_control3,
-			&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3);
+			&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3);
 		udelay(AFE_REGISTER_WRITE_DELAY);
 	}
 
 	/* Transfer control to the PEs */
-	writel(0x00010f00, &scic->scu_registers->afe.afe_dfx_master_control0);
+	writel(0x00010f00, &ihost->scu_registers->afe.afe_dfx_master_control0);
 	udelay(AFE_REGISTER_WRITE_DELAY);
 }
 
-static void scic_sds_controller_initialize_power_control(struct scic_sds_controller *scic)
+static void scic_sds_controller_initialize_power_control(struct isci_host *ihost)
 {
-	sci_init_timer(&scic->power_control.timer, power_control_timeout);
+	sci_init_timer(&ihost->power_control.timer, power_control_timeout);
 
-	memset(scic->power_control.requesters, 0,
-	       sizeof(scic->power_control.requesters));
+	memset(ihost->power_control.requesters, 0,
+	       sizeof(ihost->power_control.requesters));
 
-	scic->power_control.phys_waiting = 0;
-	scic->power_control.phys_granted_power = 0;
+	ihost->power_control.phys_waiting = 0;
+	ihost->power_control.phys_granted_power = 0;
 }
 
-static enum sci_status scic_controller_initialize(struct scic_sds_controller *scic)
+static enum sci_status scic_controller_initialize(struct isci_host *ihost)
 {
-	struct sci_base_state_machine *sm = &scic->sm;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct sci_base_state_machine *sm = &ihost->sm;
 	enum sci_status result = SCI_FAILURE;
 	unsigned long i, state, val;
 
-	if (scic->sm.current_state_id != SCIC_RESET) {
-		dev_warn(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_RESET) {
+		dev_warn(&ihost->pdev->dev,
 			 "SCIC Controller initialize operation requested "
 			 "in invalid state\n");
 		return SCI_FAILURE_INVALID_STATE;
@@ -2156,23 +2137,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
 
 	sci_change_state(sm, SCIC_INITIALIZING);
 
-	sci_init_timer(&scic->phy_timer, phy_startup_timeout);
+	sci_init_timer(&ihost->phy_timer, phy_startup_timeout);
 
-	scic->next_phy_to_start = 0;
-	scic->phy_startup_timer_pending = false;
+	ihost->next_phy_to_start = 0;
+	ihost->phy_startup_timer_pending = false;
 
-	scic_sds_controller_initialize_power_control(scic);
+	scic_sds_controller_initialize_power_control(ihost);
 
 	/*
 	 * There is nothing to do here for B0 since we do not have to
 	 * program the AFE registers.
 	 * / @todo The AFE settings are supposed to be correct for the B0 but
 	 * /       presently they seem to be wrong. */
-	scic_sds_controller_afe_initialization(scic);
+	scic_sds_controller_afe_initialization(ihost);
 
 
 	/* Take the hardware out of reset */
-	writel(0, &scic->smu_registers->soft_reset_control);
+	writel(0, &ihost->smu_registers->soft_reset_control);
 
 	/*
 	 * / @todo Provide meaningfull error code for hardware failure
@@ -2182,7 +2163,7 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
 
 		/* Loop until the hardware reports success */
 		udelay(SCU_CONTEXT_RAM_INIT_STALL_TIME);
-		status = readl(&scic->smu_registers->control_status);
+		status = readl(&ihost->smu_registers->control_status);
 
 		if ((status & SCU_RAM_INIT_COMPLETED) == SCU_RAM_INIT_COMPLETED)
 			break;
@@ -2193,32 +2174,32 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
 	/*
 	 * Determine what are the actaul device capacities that the
 	 * hardware will support */
-	val = readl(&scic->smu_registers->device_context_capacity);
+	val = readl(&ihost->smu_registers->device_context_capacity);
 
 	/* Record the smaller of the two capacity values */
-	scic->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS);
-	scic->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS);
-	scic->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES);
+	ihost->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS);
+	ihost->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS);
+	ihost->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES);
 
 	/*
 	 * Make all PEs that are unassigned match up with the
 	 * logical ports
 	 */
-	for (i = 0; i < scic->logical_port_entries; i++) {
+	for (i = 0; i < ihost->logical_port_entries; i++) {
 		struct scu_port_task_scheduler_group_registers __iomem
-			*ptsg = &scic->scu_registers->peg0.ptsg;
+			*ptsg = &ihost->scu_registers->peg0.ptsg;
 
 		writel(i, &ptsg->protocol_engine[i]);
 	}
 
 	/* Initialize hardware PCI Relaxed ordering in DMA engines */
-	val = readl(&scic->scu_registers->sdma.pdma_configuration);
+	val = readl(&ihost->scu_registers->sdma.pdma_configuration);
 	val |= SCU_PDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
-	writel(val, &scic->scu_registers->sdma.pdma_configuration);
+	writel(val, &ihost->scu_registers->sdma.pdma_configuration);
 
-	val = readl(&scic->scu_registers->sdma.cdma_configuration);
+	val = readl(&ihost->scu_registers->sdma.cdma_configuration);
 	val |= SCU_CDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
-	writel(val, &scic->scu_registers->sdma.cdma_configuration);
+	writel(val, &ihost->scu_registers->sdma.cdma_configuration);
 
 	/*
 	 * Initialize the PHYs before the PORTs because the PHY registers
@@ -2226,23 +2207,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
 	 */
 	for (i = 0; i < SCI_MAX_PHYS; i++) {
 		result = scic_sds_phy_initialize(&ihost->phys[i],
-						 &scic->scu_registers->peg0.pe[i].tl,
-						 &scic->scu_registers->peg0.pe[i].ll);
+						 &ihost->scu_registers->peg0.pe[i].tl,
+						 &ihost->scu_registers->peg0.pe[i].ll);
 		if (result != SCI_SUCCESS)
 			goto out;
 	}
 
-	for (i = 0; i < scic->logical_port_entries; i++) {
+	for (i = 0; i < ihost->logical_port_entries; i++) {
 		result = scic_sds_port_initialize(&ihost->ports[i],
-						  &scic->scu_registers->peg0.ptsg.port[i],
-						  &scic->scu_registers->peg0.ptsg.protocol_engine,
-						  &scic->scu_registers->peg0.viit[i]);
+						  &ihost->scu_registers->peg0.ptsg.port[i],
+						  &ihost->scu_registers->peg0.ptsg.protocol_engine,
+						  &ihost->scu_registers->peg0.viit[i]);
 
 		if (result != SCI_SUCCESS)
 			goto out;
 	}
 
-	result = scic_sds_port_configuration_agent_initialize(scic, &scic->port_agent);
+	result = scic_sds_port_configuration_agent_initialize(ihost, &ihost->port_agent);
 
  out:
 	/* Advance the controller state machine */
@@ -2256,10 +2237,10 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
 }
 
 static enum sci_status scic_user_parameters_set(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	union scic_user_parameters *scic_parms)
 {
-	u32 state = scic->sm.current_state_id;
+	u32 state = ihost->sm.current_state_id;
 
 	if (state == SCIC_RESET ||
 	    state == SCIC_INITIALIZING ||
@@ -2301,7 +2282,7 @@ static enum sci_status scic_user_parameters_set(
 		    (scic_parms->sds1.no_outbound_task_timeout == 0))
 			return SCI_FAILURE_INVALID_PARAMETER_VALUE;
 
-		memcpy(&scic->user_parameters, scic_parms, sizeof(*scic_parms));
+		memcpy(&ihost->user_parameters, scic_parms, sizeof(*scic_parms));
 
 		return SCI_SUCCESS;
 	}
@@ -2309,40 +2290,40 @@ static enum sci_status scic_user_parameters_set(
 	return SCI_FAILURE_INVALID_STATE;
 }
 
-static int scic_controller_mem_init(struct scic_sds_controller *scic)
+static int scic_controller_mem_init(struct isci_host *ihost)
 {
-	struct device *dev = scic_to_dev(scic);
+	struct device *dev = &ihost->pdev->dev;
 	dma_addr_t dma;
 	size_t size;
 	int err;
 
 	size = SCU_MAX_COMPLETION_QUEUE_ENTRIES * sizeof(u32);
-	scic->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
-	if (!scic->completion_queue)
+	ihost->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
+	if (!ihost->completion_queue)
 		return -ENOMEM;
 
-	writel(lower_32_bits(dma), &scic->smu_registers->completion_queue_lower);
-	writel(upper_32_bits(dma), &scic->smu_registers->completion_queue_upper);
+	writel(lower_32_bits(dma), &ihost->smu_registers->completion_queue_lower);
+	writel(upper_32_bits(dma), &ihost->smu_registers->completion_queue_upper);
 
-	size = scic->remote_node_entries * sizeof(union scu_remote_node_context);
-	scic->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma,
+	size = ihost->remote_node_entries * sizeof(union scu_remote_node_context);
+	ihost->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma,
 							      GFP_KERNEL);
-	if (!scic->remote_node_context_table)
+	if (!ihost->remote_node_context_table)
 		return -ENOMEM;
 
-	writel(lower_32_bits(dma), &scic->smu_registers->remote_node_context_lower);
-	writel(upper_32_bits(dma), &scic->smu_registers->remote_node_context_upper);
+	writel(lower_32_bits(dma), &ihost->smu_registers->remote_node_context_lower);
+	writel(upper_32_bits(dma), &ihost->smu_registers->remote_node_context_upper);
 
-	size = scic->task_context_entries * sizeof(struct scu_task_context),
-	scic->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
-	if (!scic->task_context_table)
+	size = ihost->task_context_entries * sizeof(struct scu_task_context),
+	ihost->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
+	if (!ihost->task_context_table)
 		return -ENOMEM;
 
-	scic->task_context_dma = dma;
-	writel(lower_32_bits(dma), &scic->smu_registers->host_task_table_lower);
-	writel(upper_32_bits(dma), &scic->smu_registers->host_task_table_upper);
+	ihost->task_context_dma = dma;
+	writel(lower_32_bits(dma), &ihost->smu_registers->host_task_table_lower);
+	writel(upper_32_bits(dma), &ihost->smu_registers->host_task_table_upper);
 
-	err = scic_sds_unsolicited_frame_control_construct(scic);
+	err = scic_sds_unsolicited_frame_control_construct(ihost);
 	if (err)
 		return err;
 
@@ -2350,112 +2331,112 @@ static int scic_controller_mem_init(struct scic_sds_controller *scic)
 	 * Inform the silicon as to the location of the UF headers and
 	 * address table.
 	 */
-	writel(lower_32_bits(scic->uf_control.headers.physical_address),
-		&scic->scu_registers->sdma.uf_header_base_address_lower);
-	writel(upper_32_bits(scic->uf_control.headers.physical_address),
-		&scic->scu_registers->sdma.uf_header_base_address_upper);
+	writel(lower_32_bits(ihost->uf_control.headers.physical_address),
+		&ihost->scu_registers->sdma.uf_header_base_address_lower);
+	writel(upper_32_bits(ihost->uf_control.headers.physical_address),
+		&ihost->scu_registers->sdma.uf_header_base_address_upper);
 
-	writel(lower_32_bits(scic->uf_control.address_table.physical_address),
-		&scic->scu_registers->sdma.uf_address_table_lower);
-	writel(upper_32_bits(scic->uf_control.address_table.physical_address),
-		&scic->scu_registers->sdma.uf_address_table_upper);
+	writel(lower_32_bits(ihost->uf_control.address_table.physical_address),
+		&ihost->scu_registers->sdma.uf_address_table_lower);
+	writel(upper_32_bits(ihost->uf_control.address_table.physical_address),
+		&ihost->scu_registers->sdma.uf_address_table_upper);
 
 	return 0;
 }
 
-int isci_host_init(struct isci_host *isci_host)
+int isci_host_init(struct isci_host *ihost)
 {
 	int err = 0, i;
 	enum sci_status status;
 	union scic_oem_parameters oem;
 	union scic_user_parameters scic_user_params;
-	struct isci_pci_info *pci_info = to_pci_info(isci_host->pdev);
+	struct isci_pci_info *pci_info = to_pci_info(ihost->pdev);
 
-	spin_lock_init(&isci_host->state_lock);
-	spin_lock_init(&isci_host->scic_lock);
-	init_waitqueue_head(&isci_host->eventq);
+	spin_lock_init(&ihost->state_lock);
+	spin_lock_init(&ihost->scic_lock);
+	init_waitqueue_head(&ihost->eventq);
 
-	isci_host_change_state(isci_host, isci_starting);
+	isci_host_change_state(ihost, isci_starting);
 
-	status = scic_controller_construct(&isci_host->sci, scu_base(isci_host),
-					   smu_base(isci_host));
+	status = scic_controller_construct(ihost, scu_base(ihost),
+					   smu_base(ihost));
 
 	if (status != SCI_SUCCESS) {
-		dev_err(&isci_host->pdev->dev,
+		dev_err(&ihost->pdev->dev,
 			"%s: scic_controller_construct failed - status = %x\n",
 			__func__,
 			status);
 		return -ENODEV;
 	}
 
-	isci_host->sas_ha.dev = &isci_host->pdev->dev;
-	isci_host->sas_ha.lldd_ha = isci_host;
+	ihost->sas_ha.dev = &ihost->pdev->dev;
+	ihost->sas_ha.lldd_ha = ihost;
 
 	/*
 	 * grab initial values stored in the controller object for OEM and USER
 	 * parameters
 	 */
-	isci_user_parameters_get(isci_host, &scic_user_params);
-	status = scic_user_parameters_set(&isci_host->sci,
+	isci_user_parameters_get(ihost, &scic_user_params);
+	status = scic_user_parameters_set(ihost,
 					  &scic_user_params);
 	if (status != SCI_SUCCESS) {
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 			 "%s: scic_user_parameters_set failed\n",
 			 __func__);
 		return -ENODEV;
 	}
 
-	scic_oem_parameters_get(&isci_host->sci, &oem);
+	scic_oem_parameters_get(ihost, &oem);
 
 	/* grab any OEM parameters specified in orom */
 	if (pci_info->orom) {
 		status = isci_parse_oem_parameters(&oem,
 						   pci_info->orom,
-						   isci_host->id);
+						   ihost->id);
 		if (status != SCI_SUCCESS) {
-			dev_warn(&isci_host->pdev->dev,
+			dev_warn(&ihost->pdev->dev,
 				 "parsing firmware oem parameters failed\n");
 			return -EINVAL;
 		}
 	}
 
-	status = scic_oem_parameters_set(&isci_host->sci, &oem);
+	status = scic_oem_parameters_set(ihost, &oem);
 	if (status != SCI_SUCCESS) {
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 				"%s: scic_oem_parameters_set failed\n",
 				__func__);
 		return -ENODEV;
 	}
 
-	tasklet_init(&isci_host->completion_tasklet,
-		     isci_host_completion_routine, (unsigned long)isci_host);
+	tasklet_init(&ihost->completion_tasklet,
+		     isci_host_completion_routine, (unsigned long)ihost);
 
-	INIT_LIST_HEAD(&isci_host->requests_to_complete);
-	INIT_LIST_HEAD(&isci_host->requests_to_errorback);
+	INIT_LIST_HEAD(&ihost->requests_to_complete);
+	INIT_LIST_HEAD(&ihost->requests_to_errorback);
 
-	spin_lock_irq(&isci_host->scic_lock);
-	status = scic_controller_initialize(&isci_host->sci);
-	spin_unlock_irq(&isci_host->scic_lock);
+	spin_lock_irq(&ihost->scic_lock);
+	status = scic_controller_initialize(ihost);
+	spin_unlock_irq(&ihost->scic_lock);
 	if (status != SCI_SUCCESS) {
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 			 "%s: scic_controller_initialize failed -"
 			 " status = 0x%x\n",
 			 __func__, status);
 		return -ENODEV;
 	}
 
-	err = scic_controller_mem_init(&isci_host->sci);
+	err = scic_controller_mem_init(ihost);
 	if (err)
 		return err;
 
 	for (i = 0; i < SCI_MAX_PORTS; i++)
-		isci_port_init(&isci_host->ports[i], isci_host, i);
+		isci_port_init(&ihost->ports[i], ihost, i);
 
 	for (i = 0; i < SCI_MAX_PHYS; i++)
-		isci_phy_init(&isci_host->phys[i], isci_host, i);
+		isci_phy_init(&ihost->phys[i], ihost, i);
 
 	for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
-		struct isci_remote_device *idev = &isci_host->devices[i];
+		struct isci_remote_device *idev = &ihost->devices[i];
 
 		INIT_LIST_HEAD(&idev->reqs_in_process);
 		INIT_LIST_HEAD(&idev->node);
@@ -2465,63 +2446,62 @@ int isci_host_init(struct isci_host *isci_host)
 		struct isci_request *ireq;
 		dma_addr_t dma;
 
-		ireq = dmam_alloc_coherent(&isci_host->pdev->dev,
+		ireq = dmam_alloc_coherent(&ihost->pdev->dev,
 					   sizeof(struct isci_request), &dma,
 					   GFP_KERNEL);
 		if (!ireq)
 			return -ENOMEM;
 
-		ireq->tc = &isci_host->sci.task_context_table[i];
-		ireq->owning_controller = &isci_host->sci;
+		ireq->tc = &ihost->task_context_table[i];
+		ireq->owning_controller = ihost;
 		spin_lock_init(&ireq->state_lock);
 		ireq->request_daddr = dma;
-		ireq->isci_host = isci_host;
-
-		isci_host->reqs[i] = ireq;
+		ireq->isci_host = ihost;
+		ihost->reqs[i] = ireq;
 	}
 
 	return 0;
 }
 
-void scic_sds_controller_link_up(struct scic_sds_controller *scic,
+void scic_sds_controller_link_up(struct isci_host *ihost,
 		struct isci_port *iport, struct isci_phy *iphy)
 {
-	switch (scic->sm.current_state_id) {
+	switch (ihost->sm.current_state_id) {
 	case SCIC_STARTING:
-		sci_del_timer(&scic->phy_timer);
-		scic->phy_startup_timer_pending = false;
-		scic->port_agent.link_up_handler(scic, &scic->port_agent,
+		sci_del_timer(&ihost->phy_timer);
+		ihost->phy_startup_timer_pending = false;
+		ihost->port_agent.link_up_handler(ihost, &ihost->port_agent,
 						 iport, iphy);
-		scic_sds_controller_start_next_phy(scic);
+		scic_sds_controller_start_next_phy(ihost);
 		break;
 	case SCIC_READY:
-		scic->port_agent.link_up_handler(scic, &scic->port_agent,
+		ihost->port_agent.link_up_handler(ihost, &ihost->port_agent,
 						 iport, iphy);
 		break;
 	default:
-		dev_dbg(scic_to_dev(scic),
+		dev_dbg(&ihost->pdev->dev,
 			"%s: SCIC Controller linkup event from phy %d in "
 			"unexpected state %d\n", __func__, iphy->phy_index,
-			scic->sm.current_state_id);
+			ihost->sm.current_state_id);
 	}
 }
 
-void scic_sds_controller_link_down(struct scic_sds_controller *scic,
+void scic_sds_controller_link_down(struct isci_host *ihost,
 		struct isci_port *iport, struct isci_phy *iphy)
 {
-	switch (scic->sm.current_state_id) {
+	switch (ihost->sm.current_state_id) {
 	case SCIC_STARTING:
 	case SCIC_READY:
-		scic->port_agent.link_down_handler(scic, &scic->port_agent,
+		ihost->port_agent.link_down_handler(ihost, &ihost->port_agent,
 						   iport, iphy);
 		break;
 	default:
-		dev_dbg(scic_to_dev(scic),
+		dev_dbg(&ihost->pdev->dev,
 			"%s: SCIC Controller linkdown event from phy %d in "
 			"unexpected state %d\n",
 			__func__,
 			iphy->phy_index,
-			scic->sm.current_state_id);
+			ihost->sm.current_state_id);
 	}
 }
 
@@ -2530,14 +2510,13 @@ void scic_sds_controller_link_down(struct scic_sds_controller *scic,
  * controller are still in the stopping state.
  *
  */
-static bool scic_sds_controller_has_remote_devices_stopping(
-	struct scic_sds_controller *controller)
+static bool scic_sds_controller_has_remote_devices_stopping(struct isci_host *ihost)
 {
 	u32 index;
 
-	for (index = 0; index < controller->remote_node_entries; index++) {
-		if ((controller->device_table[index] != NULL) &&
-		   (controller->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING))
+	for (index = 0; index < ihost->remote_node_entries; index++) {
+		if ((ihost->device_table[index] != NULL) &&
+		   (ihost->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING))
 			return true;
 	}
 
@@ -2548,20 +2527,20 @@ static bool scic_sds_controller_has_remote_devices_stopping(
  * This method is called by the remote device to inform the controller
  * object that the remote device has stopped.
  */
-void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic,
+void scic_sds_controller_remote_device_stopped(struct isci_host *ihost,
 					       struct isci_remote_device *idev)
 {
-	if (scic->sm.current_state_id != SCIC_STOPPING) {
-		dev_dbg(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_STOPPING) {
+		dev_dbg(&ihost->pdev->dev,
 			"SCIC Controller 0x%p remote device stopped event "
 			"from device 0x%p in unexpected state %d\n",
-			scic, idev,
-			scic->sm.current_state_id);
+			ihost, idev,
+			ihost->sm.current_state_id);
 		return;
 	}
 
-	if (!scic_sds_controller_has_remote_devices_stopping(scic)) {
-		sci_change_state(&scic->sm, SCIC_STOPPED);
+	if (!scic_sds_controller_has_remote_devices_stopping(ihost)) {
+		sci_change_state(&ihost->sm, SCIC_STOPPED);
 	}
 }
 
@@ -2573,32 +2552,32 @@ void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic,
  *
  */
 void scic_sds_controller_post_request(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	u32 request)
 {
-	dev_dbg(scic_to_dev(scic),
+	dev_dbg(&ihost->pdev->dev,
 		"%s: SCIC Controller 0x%p post request 0x%08x\n",
 		__func__,
-		scic,
+		ihost,
 		request);
 
-	writel(request, &scic->smu_registers->post_context_port);
+	writel(request, &ihost->smu_registers->post_context_port);
 }
 
-struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag)
+struct isci_request *scic_request_by_tag(struct isci_host *ihost, u16 io_tag)
 {
 	u16 task_index;
 	u16 task_sequence;
 
 	task_index = ISCI_TAG_TCI(io_tag);
 
-	if (task_index < scic->task_context_entries) {
-		struct isci_request *ireq = scic_to_ihost(scic)->reqs[task_index];
+	if (task_index < ihost->task_context_entries) {
+		struct isci_request *ireq = ihost->reqs[task_index];
 
 		if (test_bit(IREQ_ACTIVE, &ireq->flags)) {
 			task_sequence = ISCI_TAG_SEQ(io_tag);
 
-			if (task_sequence == scic->io_request_sequence[task_index])
+			if (task_sequence == ihost->io_request_sequence[task_index])
 				return ireq;
 		}
 	}
@@ -2621,7 +2600,7 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 i
  * node index available.
  */
 enum sci_status scic_sds_controller_allocate_remote_node_context(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	u16 *node_id)
 {
@@ -2629,11 +2608,11 @@ enum sci_status scic_sds_controller_allocate_remote_node_context(
 	u32 remote_node_count = scic_sds_remote_device_node_count(idev);
 
 	node_index = scic_sds_remote_node_table_allocate_remote_node(
-		&scic->available_remote_nodes, remote_node_count
+		&ihost->available_remote_nodes, remote_node_count
 		);
 
 	if (node_index != SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) {
-		scic->device_table[node_index] = idev;
+		ihost->device_table[node_index] = idev;
 
 		*node_id = node_index;
 
@@ -2653,17 +2632,17 @@ enum sci_status scic_sds_controller_allocate_remote_node_context(
  *
  */
 void scic_sds_controller_free_remote_node_context(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	u16 node_id)
 {
 	u32 remote_node_count = scic_sds_remote_device_node_count(idev);
 
-	if (scic->device_table[node_id] == idev) {
-		scic->device_table[node_id] = NULL;
+	if (ihost->device_table[node_id] == idev) {
+		ihost->device_table[node_id] = NULL;
 
 		scic_sds_remote_node_table_release_remote_node_index(
-			&scic->available_remote_nodes, remote_node_count, node_id
+			&ihost->available_remote_nodes, remote_node_count, node_id
 			);
 	}
 }
@@ -2677,14 +2656,14 @@ void scic_sds_controller_free_remote_node_context(
  * union scu_remote_node_context*
  */
 union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	u16 node_id
 	) {
 	if (
-		(node_id < scic->remote_node_entries)
-		&& (scic->device_table[node_id] != NULL)
+		(node_id < ihost->remote_node_entries)
+		&& (ihost->device_table[node_id] != NULL)
 		) {
-		return &scic->remote_node_context_table[node_id];
+		return &ihost->remote_node_context_table[node_id];
 	}
 
 	return NULL;
@@ -2722,13 +2701,13 @@ void scic_sds_controller_copy_sata_response(
  *
  */
 void scic_sds_controller_release_frame(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	u32 frame_index)
 {
 	if (scic_sds_unsolicited_frame_control_release_frame(
-		    &scic->uf_control, frame_index) == true)
-		writel(scic->uf_control.get,
-			&scic->scu_registers->sdma.unsolicited_frame_get_pointer);
+		    &ihost->uf_control, frame_index) == true)
+		writel(ihost->uf_control.get,
+			&ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
 }
 
 void isci_tci_free(struct isci_host *ihost, u16 tci)
@@ -2757,7 +2736,7 @@ u16 isci_alloc_tag(struct isci_host *ihost)
 {
 	if (isci_tci_space(ihost)) {
 		u16 tci = isci_tci_alloc(ihost);
-		u8 seq = ihost->sci.io_request_sequence[tci];
+		u8 seq = ihost->io_request_sequence[tci];
 
 		return ISCI_TAG(seq, tci);
 	}
@@ -2767,7 +2746,6 @@ u16 isci_alloc_tag(struct isci_host *ihost)
 
 enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
 {
-	struct scic_sds_controller *scic = &ihost->sci;
 	u16 tci = ISCI_TAG_TCI(io_tag);
 	u16 seq = ISCI_TAG_SEQ(io_tag);
 
@@ -2775,8 +2753,8 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
 	if (isci_tci_active(ihost) == 0)
 		return SCI_FAILURE_INVALID_IO_TAG;
 
-	if (seq == scic->io_request_sequence[tci]) {
-		scic->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1);
+	if (seq == ihost->io_request_sequence[tci]) {
+		ihost->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1);
 
 		isci_tci_free(ihost, tci);
 
@@ -2797,23 +2775,23 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
  * @io_tag: This parameter specifies a previously allocated IO tag that the
  *    user desires to be utilized for this request.
  */
-enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
+enum sci_status scic_controller_start_io(struct isci_host *ihost,
 					 struct isci_remote_device *idev,
 					 struct isci_request *ireq)
 {
 	enum sci_status status;
 
-	if (scic->sm.current_state_id != SCIC_READY) {
-		dev_warn(scic_to_dev(scic), "invalid state to start I/O");
+	if (ihost->sm.current_state_id != SCIC_READY) {
+		dev_warn(&ihost->pdev->dev, "invalid state to start I/O");
 		return SCI_FAILURE_INVALID_STATE;
 	}
 
-	status = scic_sds_remote_device_start_io(scic, idev, ireq);
+	status = scic_sds_remote_device_start_io(ihost, idev, ireq);
 	if (status != SCI_SUCCESS)
 		return status;
 
 	set_bit(IREQ_ACTIVE, &ireq->flags);
-	scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
+	scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq));
 	return SCI_SUCCESS;
 }
 
@@ -2834,14 +2812,14 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
  * for the request. Determine the failure situations and return values.
  */
 enum sci_status scic_controller_terminate_request(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq)
 {
 	enum sci_status status;
 
-	if (scic->sm.current_state_id != SCIC_READY) {
-		dev_warn(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_READY) {
+		dev_warn(&ihost->pdev->dev,
 			 "invalid state to terminate request\n");
 		return SCI_FAILURE_INVALID_STATE;
 	}
@@ -2854,7 +2832,7 @@ enum sci_status scic_controller_terminate_request(
 	 * Utilize the original post context command and or in the POST_TC_ABORT
 	 * request sub-type.
 	 */
-	scic_sds_controller_post_request(scic,
+	scic_sds_controller_post_request(ihost,
 		scic_sds_request_get_post_context(ireq) |
 		SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT);
 	return SCI_SUCCESS;
@@ -2872,19 +2850,19 @@ enum sci_status scic_controller_terminate_request(
  * @io_request: the handle to the io request object to complete.
  */
 enum sci_status scic_controller_complete_io(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq)
 {
 	enum sci_status status;
 	u16 index;
 
-	switch (scic->sm.current_state_id) {
+	switch (ihost->sm.current_state_id) {
 	case SCIC_STOPPING:
 		/* XXX: Implement this function */
 		return SCI_FAILURE;
 	case SCIC_READY:
-		status = scic_sds_remote_device_complete_io(scic, idev, ireq);
+		status = scic_sds_remote_device_complete_io(ihost, idev, ireq);
 		if (status != SCI_SUCCESS)
 			return status;
 
@@ -2892,7 +2870,7 @@ enum sci_status scic_controller_complete_io(
 		clear_bit(IREQ_ACTIVE, &ireq->flags);
 		return SCI_SUCCESS;
 	default:
-		dev_warn(scic_to_dev(scic), "invalid state to complete I/O");
+		dev_warn(&ihost->pdev->dev, "invalid state to complete I/O");
 		return SCI_FAILURE_INVALID_STATE;
 	}
 
@@ -2900,15 +2878,15 @@ enum sci_status scic_controller_complete_io(
 
 enum sci_status scic_controller_continue_io(struct isci_request *ireq)
 {
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 
-	if (scic->sm.current_state_id != SCIC_READY) {
-		dev_warn(scic_to_dev(scic), "invalid state to continue I/O");
+	if (ihost->sm.current_state_id != SCIC_READY) {
+		dev_warn(&ihost->pdev->dev, "invalid state to continue I/O");
 		return SCI_FAILURE_INVALID_STATE;
 	}
 
 	set_bit(IREQ_ACTIVE, &ireq->flags);
-	scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
+	scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq));
 	return SCI_SUCCESS;
 }
 
@@ -2922,21 +2900,21 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq)
  * @task_request: the handle to the task request object to start.
  */
 enum sci_task_status scic_controller_start_task(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq)
 {
 	enum sci_status status;
 
-	if (scic->sm.current_state_id != SCIC_READY) {
-		dev_warn(scic_to_dev(scic),
+	if (ihost->sm.current_state_id != SCIC_READY) {
+		dev_warn(&ihost->pdev->dev,
 			 "%s: SCIC Controller starting task from invalid "
 			 "state\n",
 			 __func__);
 		return SCI_TASK_FAILURE_INVALID_STATE;
 	}
 
-	status = scic_sds_remote_device_start_task(scic, idev, ireq);
+	status = scic_sds_remote_device_start_task(ihost, idev, ireq);
 	switch (status) {
 	case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS:
 		set_bit(IREQ_ACTIVE, &ireq->flags);
@@ -2950,7 +2928,7 @@ enum sci_task_status scic_controller_start_task(
 	case SCI_SUCCESS:
 		set_bit(IREQ_ACTIVE, &ireq->flags);
 
-		scic_sds_controller_post_request(scic,
+		scic_sds_controller_post_request(ihost,
 			scic_sds_request_get_post_context(ireq));
 		break;
 	default:
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index ca2e3b0ee0d..013f672a8fd 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -106,7 +106,7 @@ struct scic_power_control {
 };
 
 struct scic_sds_port_configuration_agent;
-typedef void (*port_config_fn)(struct scic_sds_controller *,
+typedef void (*port_config_fn)(struct isci_host *,
 			       struct scic_sds_port_configuration_agent *,
 			       struct isci_port *, struct isci_phy *);
 
@@ -124,171 +124,66 @@ struct scic_sds_port_configuration_agent {
 };
 
 /**
- * struct scic_sds_controller -
- *
- * This structure represents the SCU controller object.
+ * isci_host - primary host/controller object
+ * @timer: timeout start/stop operations
+ * @device_table: rni (hw remote node index) to remote device lookup table
+ * @available_remote_nodes: rni allocator
+ * @power_control: manage device spin up
+ * @io_request_sequence: generation number for tci's (task contexts)
+ * @task_context_table: hw task context table
+ * @remote_node_context_table: hw remote node context table
+ * @completion_queue: hw-producer driver-consumer communication ring
+ * @completion_queue_get: tracks the driver 'head' of the ring to notify hw
+ * @logical_port_entries: min({driver|silicon}-supported-port-count)
+ * @remote_node_entries: min({driver|silicon}-supported-node-count)
+ * @task_context_entries: min({driver|silicon}-supported-task-count)
+ * @phy_timer: phy startup timer
+ * @invalid_phy_mask: if an invalid_link_up notification is reported a bit for
+ * 		      the phy index is set so further notifications are not
+ * 		      made.  Once the phy reports link up and is made part of a
+ * 		      port then this bit is cleared.
+
  */
-struct scic_sds_controller {
-	/**
-	 * This field contains the information for the base controller state
-	 * machine.
-	 */
+struct isci_host {
 	struct sci_base_state_machine sm;
-
-	/**
-	 * Timer for controller start/stop operations.
-	 */
+	/* XXX can we time this externally */
 	struct sci_timer timer;
-
-	/**
-	 * This field contains the user parameters to be utilized for this
-	 * core controller object.
-	 */
+	/* XXX drop reference module params directly */
 	union scic_user_parameters user_parameters;
-
-	/**
-	 * This field contains the OEM parameters to be utilized for this
-	 * core controller object.
-	 */
+	/* XXX no need to be a union */
 	union scic_oem_parameters oem_parameters;
-
-	/**
-	 * This field contains the port configuration agent for this controller.
-	 */
 	struct scic_sds_port_configuration_agent port_agent;
-
-	/**
-	 * This field is the array of device objects that are currently constructed
-	 * for this controller object.  This table is used as a fast lookup of device
-	 * objects that need to handle device completion notifications from the
-	 * hardware. The table is RNi based.
-	 */
 	struct isci_remote_device *device_table[SCI_MAX_REMOTE_DEVICES];
-
-	/**
-	 * This field is the free RNi data structure
-	 */
 	struct scic_remote_node_table available_remote_nodes;
-
-	/**
-	 * This filed is the struct scic_power_control data used to controll when direct
-	 * attached devices can consume power.
-	 */
 	struct scic_power_control power_control;
-
-	/* sequence number per tci */
 	u8 io_request_sequence[SCI_MAX_IO_REQUESTS];
-
-	/**
-	 * This field is a pointer to the memory allocated by the driver for the task
-	 * context table.  This data is shared between the hardware and software.
-	 */
 	struct scu_task_context *task_context_table;
 	dma_addr_t task_context_dma;
-
-	/**
-	 * This field is a pointer to the memory allocated by the driver for the
-	 * remote node context table.  This table is shared between the hardware and
-	 * software.
-	 */
 	union scu_remote_node_context *remote_node_context_table;
-
-	/**
-	 * This field is a pointer to the completion queue.  This memory is
-	 * written to by the hardware and read by the software.
-	 */
 	u32 *completion_queue;
-
-	/**
-	 * This field is the software copy of the completion queue get pointer.  The
-	 * controller object writes this value to the hardware after processing the
-	 * completion entries.
-	 */
 	u32 completion_queue_get;
-
-	/**
-	 * This field is the minimum of the number of hardware supported port entries
-	 * and the software requested port entries.
-	 */
 	u32 logical_port_entries;
-
-	/**
-	 * This field is the minimum number of devices supported by the hardware and
-	 * the number of devices requested by the software.
-	 */
 	u32 remote_node_entries;
-
-	/**
-	 * This field is the minimum number of IO requests supported by the hardware
-	 * and the number of IO requests requested by the software.
-	 */
 	u32 task_context_entries;
-
-	/**
-	 * This object contains all of the unsolicited frame specific
-	 * data utilized by the core controller.
-	 */
 	struct scic_sds_unsolicited_frame_control uf_control;
 
-	/* Phy Startup Data */
-	/**
-	 * Timer for controller phy request startup. On controller start the
-	 * controller will start each PHY individually in order of phy index.
-	 */
+	/* phy startup */
 	struct sci_timer phy_timer;
-
-	/**
-	 * This field is set when the phy_timer is running and is cleared when
-	 * the phy_timer is stopped.
-	 */
+	/* XXX kill */
 	bool phy_startup_timer_pending;
-
-	/**
-	 * This field is the index of the next phy start.  It is initialized to 0 and
-	 * increments for each phy index that is started.
-	 */
 	u32 next_phy_to_start;
-
-	/**
-	 * This field controlls the invalid link up notifications to the SCI_USER.  If
-	 * an invalid_link_up notification is reported a bit for the PHY index is set
-	 * so further notifications are not made.  Once the PHY object reports link up
-	 * and is made part of a port then this bit for the PHY index is cleared.
-	 */
 	u8 invalid_phy_mask;
 
-	/*
-	 * This field saves the current interrupt coalescing number of the controller.
-	 */
+	/* TODO attempt dynamic interrupt coalescing scheme */
 	u16 interrupt_coalesce_number;
-
-	/*
-	 * This field saves the current interrupt coalescing timeout value in microseconds.
-	 */
 	u32 interrupt_coalesce_timeout;
-
-	/**
-	 * This field is a pointer to the memory mapped register space for the
-	 * struct smu_registers.
-	 */
 	struct smu_registers __iomem *smu_registers;
-
-	/**
-	 * This field is a pointer to the memory mapped register space for the
-	 * struct scu_registers.
-	 */
 	struct scu_registers __iomem *scu_registers;
 
-};
-
-struct isci_host {
-	struct scic_sds_controller sci;
 	u16 tci_head;
 	u16 tci_tail;
 	u16 tci_pool[SCI_MAX_IO_REQUESTS];
 
-	union scic_oem_parameters oem_parameters;
-
 	int id; /* unique within a given pci device */
 	struct isci_phy phys[SCI_MAX_PHYS];
 	struct isci_port ports[SCI_MAX_PORTS + 1]; /* includes dummy port */
@@ -464,14 +359,6 @@ static inline struct isci_host *dev_to_ihost(struct domain_device *dev)
 	return dev->port->ha->lldd_ha;
 }
 
-static inline struct isci_host *scic_to_ihost(struct scic_sds_controller *scic)
-{
-	/* XXX delete after merging scic_sds_contoller and isci_host */
-	struct isci_host *ihost = container_of(scic, typeof(*ihost), sci);
-
-	return ihost;
-}
-
 /**
  * scic_sds_controller_get_protocol_engine_group() -
  *
@@ -518,11 +405,6 @@ static inline int scic_sds_remote_device_node_count(struct isci_remote_device *i
 #define scic_sds_controller_clear_invalid_phy(controller, phy) \
 	((controller)->invalid_phy_mask &= ~(1 << (phy)->phy_index))
 
-static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
-{
-	return &scic_to_ihost(scic)->pdev->dev;
-}
-
 static inline struct device *sciphy_to_dev(struct isci_phy *iphy)
 {
 
@@ -578,54 +460,54 @@ static inline bool is_c0(void)
 	return isci_si_rev > ISCI_SI_REVB0;
 }
 
-void scic_sds_controller_post_request(struct scic_sds_controller *scic,
+void scic_sds_controller_post_request(struct isci_host *ihost,
 				      u32 request);
-void scic_sds_controller_release_frame(struct scic_sds_controller *scic,
+void scic_sds_controller_release_frame(struct isci_host *ihost,
 				       u32 frame_index);
 void scic_sds_controller_copy_sata_response(void *response_buffer,
 					    void *frame_header,
 					    void *frame_buffer);
-enum sci_status scic_sds_controller_allocate_remote_node_context(struct scic_sds_controller *scic,
+enum sci_status scic_sds_controller_allocate_remote_node_context(struct isci_host *ihost,
 								 struct isci_remote_device *idev,
 								 u16 *node_id);
 void scic_sds_controller_free_remote_node_context(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	u16 node_id);
 union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	u16 node_id);
 
-struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic,
+struct isci_request *scic_request_by_tag(struct isci_host *ihost,
 					     u16 io_tag);
 
 void scic_sds_controller_power_control_queue_insert(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_phy *iphy);
 
 void scic_sds_controller_power_control_queue_remove(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_phy *iphy);
 
 void scic_sds_controller_link_up(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_port *iport,
 	struct isci_phy *iphy);
 
 void scic_sds_controller_link_down(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_port *iport,
 	struct isci_phy *iphy);
 
 void scic_sds_controller_remote_device_stopped(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev);
 
 void scic_sds_controller_copy_task_context(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_request *ireq);
 
-void scic_sds_controller_register_setup(struct scic_sds_controller *scic);
+void scic_sds_controller_register_setup(struct isci_host *ihost);
 
 enum sci_status scic_controller_continue_io(struct isci_request *ireq);
 int isci_host_scan_finished(struct Scsi_Host *, unsigned long);
@@ -655,25 +537,25 @@ void isci_host_remote_device_start_complete(
 	enum sci_status);
 
 void scic_controller_disable_interrupts(
-	struct scic_sds_controller *scic);
+	struct isci_host *ihost);
 
 enum sci_status scic_controller_start_io(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_task_status scic_controller_start_task(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_status scic_controller_terminate_request(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_status scic_controller_complete_io(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
@@ -681,6 +563,6 @@ void scic_sds_port_configuration_agent_construct(
 	struct scic_sds_port_configuration_agent *port_agent);
 
 enum sci_status scic_sds_port_configuration_agent_initialize(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct scic_sds_port_configuration_agent *port_agent);
 #endif
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index bbfb6e56320..68ca1a4f30a 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -548,13 +548,13 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
 
 static void __devexit isci_pci_remove(struct pci_dev *pdev)
 {
-	struct isci_host *isci_host;
+	struct isci_host *ihost;
 	int i;
 
-	for_each_isci_host(i, isci_host, pdev) {
-		isci_unregister(isci_host);
-		isci_host_deinit(isci_host);
-		scic_controller_disable_interrupts(&isci_host->sci);
+	for_each_isci_host(i, ihost, pdev) {
+		isci_unregister(ihost);
+		isci_host_deinit(ihost);
+		scic_controller_disable_interrupts(ihost);
 	}
 }
 
diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c
index fd0e9734e5d..ca96b5ad0d5 100644
--- a/drivers/scsi/isci/phy.c
+++ b/drivers/scsi/isci/phy.c
@@ -112,13 +112,13 @@ static enum sci_status
 scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
 				       struct scu_link_layer_registers __iomem *link_layer_registers)
 {
-	struct scic_sds_controller *scic =
+	struct isci_host *ihost =
 		iphy->owning_port->owning_controller;
 	int phy_idx = iphy->phy_index;
 	struct sci_phy_user_params *phy_user =
-		&scic->user_parameters.sds1.phys[phy_idx];
+		&ihost->user_parameters.sds1.phys[phy_idx];
 	struct sci_phy_oem_params *phy_oem =
-		&scic->oem_parameters.sds1.phys[phy_idx];
+		&ihost->oem_parameters.sds1.phys[phy_idx];
 	u32 phy_configuration;
 	struct scic_phy_cap phy_cap;
 	u32 parity_check = 0;
@@ -169,7 +169,7 @@ scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
 	phy_cap.gen3_no_ssc = 1;
 	phy_cap.gen2_no_ssc = 1;
 	phy_cap.gen1_no_ssc = 1;
-	if (scic->oem_parameters.sds1.controller.do_enable_ssc == true) {
+	if (ihost->oem_parameters.sds1.controller.do_enable_ssc == true) {
 		phy_cap.gen3_ssc = 1;
 		phy_cap.gen2_ssc = 1;
 		phy_cap.gen1_ssc = 1;
@@ -216,7 +216,7 @@ scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
 		&iphy->link_layer_registers->afe_lookup_table_control);
 
 	llctl = SCU_SAS_LLCTL_GEN_VAL(NO_OUTBOUND_TASK_TIMEOUT,
-		(u8)scic->user_parameters.sds1.no_outbound_task_timeout);
+		(u8)ihost->user_parameters.sds1.no_outbound_task_timeout);
 
 	switch(phy_user->max_speed_generation) {
 	case SCIC_SDS_PARM_GEN3_SPEED:
@@ -255,7 +255,7 @@ static void phy_sata_timeout(unsigned long data)
 {
 	struct sci_timer *tmr = (struct sci_timer *)data;
 	struct isci_phy *iphy = container_of(tmr, typeof(*iphy), sata_timer);
-	struct isci_host *ihost = scic_to_ihost(iphy->owning_port->owning_controller);
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 	unsigned long flags;
 
 	spin_lock_irqsave(&ihost->scic_lock, flags);
@@ -890,7 +890,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
 					   u32 frame_index)
 {
 	enum scic_sds_phy_states state = iphy->sm.current_state_id;
-	struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 	enum sci_status result;
 	unsigned long flags;
 
@@ -899,7 +899,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
 		u32 *frame_words;
 		struct sas_identify_frame iaf;
 
-		result = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		result = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&frame_words);
 
@@ -933,7 +933,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
 				"unexpected frame id %x\n",
 				__func__, frame_index);
 
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		return result;
 	}
 	case SCI_PHY_SUB_AWAIT_SIG_FIS_UF: {
@@ -950,7 +950,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
 
 		if ((frame_header->fis_type == FIS_REGD2H) &&
 		    !(frame_header->status & ATA_BUSY)) {
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&fis_frame_data);
 
@@ -971,7 +971,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
 				 __func__, frame_index);
 
 		/* Regardless of the result we are done with this frame with it */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return result;
 	}
@@ -994,33 +994,33 @@ static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_m
 static void scic_sds_phy_starting_await_sas_power_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
-	struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 
-	scic_sds_controller_power_control_queue_insert(scic, iphy);
+	scic_sds_controller_power_control_queue_insert(ihost, iphy);
 }
 
 static void scic_sds_phy_starting_await_sas_power_substate_exit(struct sci_base_state_machine *sm)
 {
 	struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
-	struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 
-	scic_sds_controller_power_control_queue_remove(scic, iphy);
+	scic_sds_controller_power_control_queue_remove(ihost, iphy);
 }
 
 static void scic_sds_phy_starting_await_sata_power_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
-	struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 
-	scic_sds_controller_power_control_queue_insert(scic, iphy);
+	scic_sds_controller_power_control_queue_insert(ihost, iphy);
 }
 
 static void scic_sds_phy_starting_await_sata_power_substate_exit(struct sci_base_state_machine *sm)
 {
 	struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
-	struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
+	struct isci_host *ihost = iphy->owning_port->owning_controller;
 
-	scic_sds_controller_power_control_queue_remove(scic, iphy);
+	scic_sds_controller_power_control_queue_remove(ihost, iphy);
 }
 
 static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_state_machine *sm)
@@ -1313,7 +1313,7 @@ void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index)
 	u64 sci_sas_addr;
 	__be64 sas_addr;
 
-	scic_oem_parameters_get(&ihost->sci, &oem);
+	scic_oem_parameters_get(ihost, &oem);
 	sci_sas_addr = oem.sds1.phys[index].sas_address.high;
 	sci_sas_addr <<= 32;
 	sci_sas_addr |= oem.sds1.phys[index].sas_address.low;
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c
index df37b1bf7d1..c434d5a0eff 100644
--- a/drivers/scsi/isci/port.c
+++ b/drivers/scsi/isci/port.c
@@ -365,11 +365,11 @@ static void isci_port_not_ready(struct isci_host *isci_host, struct isci_port *i
 		"%s: isci_port = %p\n", __func__, isci_port);
 }
 
-static void isci_port_stop_complete(struct scic_sds_controller *scic,
+static void isci_port_stop_complete(struct isci_host *ihost,
 				    struct isci_port *iport,
 				    enum sci_status completion_status)
 {
-	dev_dbg(&scic_to_ihost(scic)->pdev->dev, "Port stop complete\n");
+	dev_dbg(&ihost->pdev->dev, "Port stop complete\n");
 }
 
 /**
@@ -541,8 +541,7 @@ static enum sci_status scic_sds_port_clear_phy(struct isci_port *iport,
 	/* Make sure that this phy is part of this port */
 	if (iport->phy_table[iphy->phy_index] == iphy &&
 	    phy_get_non_dummy_port(iphy) == iport) {
-		struct scic_sds_controller *scic = iport->owning_controller;
-		struct isci_host *ihost = scic_to_ihost(scic);
+		struct isci_host *ihost = iport->owning_controller;
 
 		/* Yep it is assigned to this port so remove it */
 		scic_sds_phy_set_port(iphy, &ihost->ports[SCI_MAX_PORTS]);
@@ -654,10 +653,10 @@ static void scic_sds_port_construct_dummy_rnc(struct isci_port *iport, u16 rni)
  */
 static void scic_sds_port_construct_dummy_task(struct isci_port *iport, u16 tag)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	struct scu_task_context *task_context;
 
-	task_context = &scic->task_context_table[ISCI_TAG_TCI(tag)];
+	task_context = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
 	memset(task_context, 0, sizeof(struct scu_task_context));
 
 	task_context->initiator_request = 1;
@@ -674,13 +673,13 @@ static void scic_sds_port_construct_dummy_task(struct isci_port *iport, u16 tag)
 
 static void scic_sds_port_destroy_dummy_resources(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 
 	if (iport->reserved_tag != SCI_CONTROLLER_INVALID_IO_TAG)
-		isci_free_tag(scic_to_ihost(scic), iport->reserved_tag);
+		isci_free_tag(ihost, iport->reserved_tag);
 
 	if (iport->reserved_rni != SCU_DUMMY_INDEX)
-		scic_sds_remote_node_table_release_remote_node_index(&scic->available_remote_nodes,
+		scic_sds_remote_node_table_release_remote_node_index(&ihost->available_remote_nodes,
 								     1, iport->reserved_rni);
 
 	iport->reserved_rni = SCU_DUMMY_INDEX;
@@ -749,15 +748,14 @@ static void scic_sds_port_activate_phy(struct isci_port *iport,
 				       struct isci_phy *iphy,
 				       bool do_notify_user)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 
 	if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA)
 		scic_sds_phy_resume(iphy);
 
 	iport->active_phy_mask |= 1 << iphy->phy_index;
 
-	scic_sds_controller_clear_invalid_phy(scic, iphy);
+	scic_sds_controller_clear_invalid_phy(ihost, iphy);
 
 	if (do_notify_user == true)
 		isci_port_link_up(ihost, iport, iphy);
@@ -767,8 +765,7 @@ void scic_sds_port_deactivate_phy(struct isci_port *iport,
 				  struct isci_phy *iphy,
 				  bool do_notify_user)
 {
-	struct scic_sds_controller *scic = scic_sds_port_get_controller(iport);
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = scic_sds_port_get_controller(iport);
 
 	iport->active_phy_mask &= ~(1 << iphy->phy_index);
 
@@ -793,16 +790,16 @@ void scic_sds_port_deactivate_phy(struct isci_port *iport,
 static void scic_sds_port_invalid_link_up(struct isci_port *iport,
 					  struct isci_phy *iphy)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 
 	/*
 	 * Check to see if we have alreay reported this link as bad and if
 	 * not go ahead and tell the SCI_USER that we have discovered an
 	 * invalid link.
 	 */
-	if ((scic->invalid_phy_mask & (1 << iphy->phy_index)) == 0) {
-		scic_sds_controller_set_invalid_phy(scic, iphy);
-		dev_warn(&scic_to_ihost(scic)->pdev->dev, "Invalid link up!\n");
+	if ((ihost->invalid_phy_mask & (1 << iphy->phy_index)) == 0) {
+		scic_sds_controller_set_invalid_phy(ihost, iphy);
+		dev_warn(&ihost->pdev->dev, "Invalid link up!\n");
 	}
 }
 
@@ -931,7 +928,7 @@ static void port_timeout(unsigned long data)
 {
 	struct sci_timer *tmr = (struct sci_timer *)data;
 	struct isci_port *iport = container_of(tmr, typeof(*iport), timer);
-	struct isci_host *ihost = scic_to_ihost(iport->owning_controller);
+	struct isci_host *ihost = iport->owning_controller;
 	unsigned long flags;
 	u32 current_state;
 
@@ -1041,19 +1038,19 @@ static void scic_sds_port_suspend_port_task_scheduler(struct isci_port *iport)
  */
 static void scic_sds_port_post_dummy_request(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	u16 tag = iport->reserved_tag;
 	struct scu_task_context *tc;
 	u32 command;
 
-	tc = &scic->task_context_table[ISCI_TAG_TCI(tag)];
+	tc = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
 	tc->abort = 0;
 
 	command = SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
 		  iport->physical_port_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT |
 		  ISCI_TAG_TCI(tag);
 
-	scic_sds_controller_post_request(scic, command);
+	scic_sds_controller_post_request(ihost, command);
 }
 
 /**
@@ -1065,19 +1062,19 @@ static void scic_sds_port_post_dummy_request(struct isci_port *iport)
  */
 static void scic_sds_port_abort_dummy_request(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	u16 tag = iport->reserved_tag;
 	struct scu_task_context *tc;
 	u32 command;
 
-	tc = &scic->task_context_table[ISCI_TAG_TCI(tag)];
+	tc = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
 	tc->abort = 1;
 
 	command = SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT |
 		  iport->physical_port_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT |
 		  ISCI_TAG_TCI(tag);
 
-	scic_sds_controller_post_request(scic, command);
+	scic_sds_controller_post_request(ihost, command);
 }
 
 /**
@@ -1115,8 +1112,7 @@ static void scic_sds_port_ready_substate_operational_enter(struct sci_base_state
 {
 	u32 index;
 	struct isci_port *iport = container_of(sm, typeof(*iport), sm);
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 
 	isci_port_ready(ihost, iport);
 
@@ -1141,13 +1137,13 @@ static void scic_sds_port_ready_substate_operational_enter(struct sci_base_state
 
 static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	u8 phys_index = iport->physical_port_index;
 	union scu_remote_node_context *rnc;
 	u16 rni = iport->reserved_rni;
 	u32 command;
 
-	rnc = &scic->remote_node_context_table[rni];
+	rnc = &ihost->remote_node_context_table[rni];
 
 	rnc->ssp.is_valid = false;
 
@@ -1155,13 +1151,13 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
 	 * controller and give it ample time to act before posting the rnc
 	 * invalidate
 	 */
-	readl(&scic->smu_registers->interrupt_status); /* flush */
+	readl(&ihost->smu_registers->interrupt_status); /* flush */
 	udelay(10);
 
 	command = SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE |
 		  phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
 
-	scic_sds_controller_post_request(scic, command);
+	scic_sds_controller_post_request(ihost, command);
 }
 
 /**
@@ -1175,8 +1171,7 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
 static void scic_sds_port_ready_substate_operational_exit(struct sci_base_state_machine *sm)
 {
 	struct isci_port *iport = container_of(sm, typeof(*iport), sm);
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 
 	/*
 	 * Kill the dummy task for this port if it has not yet posted
@@ -1194,8 +1189,7 @@ static void scic_sds_port_ready_substate_operational_exit(struct sci_base_state_
 static void scic_sds_port_ready_substate_configuring_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_port *iport = container_of(sm, typeof(*iport), sm);
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 
 	if (iport->active_phy_mask == 0) {
 		isci_port_not_ready(ihost, iport);
@@ -1218,7 +1212,7 @@ static void scic_sds_port_ready_substate_configuring_exit(struct sci_base_state_
 
 enum sci_status scic_sds_port_start(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	enum sci_status status = SCI_SUCCESS;
 	enum scic_sds_port_states state;
 	u32 phy_mask;
@@ -1241,7 +1235,7 @@ enum sci_status scic_sds_port_start(struct isci_port *iport)
 
 	if (iport->reserved_rni == SCU_DUMMY_INDEX) {
 		u16 rni = scic_sds_remote_node_table_allocate_remote_node(
-				&scic->available_remote_nodes, 1);
+				&ihost->available_remote_nodes, 1);
 
 		if (rni != SCU_DUMMY_INDEX)
 			scic_sds_port_construct_dummy_rnc(iport, rni);
@@ -1251,7 +1245,6 @@ enum sci_status scic_sds_port_start(struct isci_port *iport)
 	}
 
 	if (iport->reserved_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
-		struct isci_host *ihost = scic_to_ihost(scic);
 		u16 tag;
 
 		tag = isci_alloc_tag(ihost);
@@ -1634,30 +1627,30 @@ scic_sds_port_disable_port_task_scheduler(struct isci_port *iport)
 
 static void scic_sds_port_post_dummy_remote_node(struct isci_port *iport)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
+	struct isci_host *ihost = iport->owning_controller;
 	u8 phys_index = iport->physical_port_index;
 	union scu_remote_node_context *rnc;
 	u16 rni = iport->reserved_rni;
 	u32 command;
 
-	rnc = &scic->remote_node_context_table[rni];
+	rnc = &ihost->remote_node_context_table[rni];
 	rnc->ssp.is_valid = true;
 
 	command = SCU_CONTEXT_COMMAND_POST_RNC_32 |
 		  phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
 
-	scic_sds_controller_post_request(scic, command);
+	scic_sds_controller_post_request(ihost, command);
 
 	/* ensure hardware has seen the post rnc command and give it
 	 * ample time to act before sending the suspend
 	 */
-	readl(&scic->smu_registers->interrupt_status); /* flush */
+	readl(&ihost->smu_registers->interrupt_status); /* flush */
 	udelay(10);
 
 	command = SCU_CONTEXT_COMMAND_POST_RNC_SUSPEND_TX_RX |
 		  phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
 
-	scic_sds_controller_post_request(scic, command);
+	scic_sds_controller_post_request(ihost, command);
 }
 
 static void scic_sds_port_stopped_state_enter(struct sci_base_state_machine *sm)
@@ -1684,8 +1677,7 @@ static void scic_sds_port_stopped_state_exit(struct sci_base_state_machine *sm)
 static void scic_sds_port_ready_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_port *iport = container_of(sm, typeof(*iport), sm);
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 	u32 prev_state;
 
 	prev_state = iport->sm.previous_state_id;
@@ -1758,7 +1750,7 @@ static const struct sci_base_state scic_sds_port_state_table[] = {
 };
 
 void scic_sds_port_construct(struct isci_port *iport, u8 index,
-			     struct scic_sds_controller *scic)
+			     struct isci_host *ihost)
 {
 	sci_init_sm(&iport->sm, scic_sds_port_state_table, SCI_PORT_STOPPED);
 
@@ -1767,7 +1759,7 @@ void scic_sds_port_construct(struct isci_port *iport, u8 index,
 	iport->active_phy_mask     = 0;
 	iport->ready_exit	      = false;
 
-	iport->owning_controller = scic;
+	iport->owning_controller = ihost;
 
 	iport->started_request_count = 0;
 	iport->assigned_device_count = 0;
@@ -1810,8 +1802,7 @@ void scic_sds_port_broadcast_change_received(
 	struct isci_port *iport,
 	struct isci_phy *iphy)
 {
-	struct scic_sds_controller *scic = iport->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = iport->owning_controller;
 
 	/* notify the user. */
 	isci_port_bc_change_received(ihost, iport, iphy);
diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h
index b9bc89bf651..9a9be7b47b4 100644
--- a/drivers/scsi/isci/port.h
+++ b/drivers/scsi/isci/port.h
@@ -115,7 +115,7 @@ struct isci_port {
 	u32 assigned_device_count;
 	u32 not_ready_reason;
 	struct isci_phy *phy_table[SCI_MAX_PHYS];
-	struct scic_sds_controller *owning_controller;
+	struct isci_host *owning_controller;
 	struct sci_timer timer;
 	struct scu_port_task_scheduler_registers __iomem *port_task_scheduler_registers;
 	/* XXX rework: only one register, no need to replicate per-port */
@@ -243,7 +243,7 @@ static inline void scic_sds_port_decrement_request_count(struct isci_port *iport
 void scic_sds_port_construct(
 	struct isci_port *iport,
 	u8 port_index,
-	struct scic_sds_controller *scic);
+	struct isci_host *ihost);
 
 enum sci_status scic_sds_port_initialize(
 	struct isci_port *iport,
diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c
index bb62d2a2521..a0a135d54e9 100644
--- a/drivers/scsi/isci/port_config.c
+++ b/drivers/scsi/isci/port_config.c
@@ -113,7 +113,7 @@ static s32 sci_sas_address_compare(
  * NULL if there is no matching port for the phy.
  */
 static struct isci_port *scic_sds_port_configuration_agent_find_port(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct isci_phy *iphy)
 {
 	u8 i;
@@ -130,8 +130,7 @@ static struct isci_port *scic_sds_port_configuration_agent_find_port(
 	scic_sds_phy_get_sas_address(iphy, &phy_sas_address);
 	scic_sds_phy_get_attached_sas_address(iphy, &phy_attached_device_address);
 
-	for (i = 0; i < scic->logical_port_entries; i++) {
-		struct isci_host *ihost = scic_to_ihost(scic);
+	for (i = 0; i < ihost->logical_port_entries; i++) {
 		struct isci_port *iport = &ihost->ports[i];
 
 		scic_sds_port_get_sas_address(iport, &port_sas_address);
@@ -158,10 +157,9 @@ static struct isci_port *scic_sds_port_configuration_agent_find_port(
  * the port configuration is not valid for this port configuration agent.
  */
 static enum sci_status scic_sds_port_configuration_agent_validate_ports(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct scic_sds_port_configuration_agent *port_agent)
 {
-	struct isci_host *ihost = scic_to_ihost(controller);
 	struct sci_sas_address first_address;
 	struct sci_sas_address second_address;
 
@@ -239,17 +237,11 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports(
  * Manual port configuration agent routines
  * ****************************************************************************** */
 
-/**
- *
- *
- * This routine will verify that all of the phys in the same port are using the
- * same SAS address.
- */
-static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
-	struct scic_sds_controller *controller,
-	struct scic_sds_port_configuration_agent *port_agent)
+/* verify all of the phys in the same port are using the same SAS address */
+static enum sci_status
+scic_sds_mpc_agent_validate_phy_configuration(struct isci_host *ihost,
+					      struct scic_sds_port_configuration_agent *port_agent)
 {
-	struct isci_host *ihost = scic_to_ihost(controller);
 	u32 phy_mask;
 	u32 assigned_phy_mask;
 	struct sci_sas_address sas_address;
@@ -262,7 +254,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
 	sas_address.low = 0;
 
 	for (port_index = 0; port_index < SCI_MAX_PORTS; port_index++) {
-		phy_mask = controller->oem_parameters.sds1.ports[port_index].phy_mask;
+		phy_mask = ihost->oem_parameters.sds1.ports[port_index].phy_mask;
 
 		if (!phy_mask)
 			continue;
@@ -324,7 +316,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
 		phy_index++;
 	}
 
-	return scic_sds_port_configuration_agent_validate_ports(controller, port_agent);
+	return scic_sds_port_configuration_agent_validate_ports(ihost, port_agent);
 }
 
 static void mpc_agent_timeout(unsigned long data)
@@ -332,14 +324,12 @@ static void mpc_agent_timeout(unsigned long data)
 	u8 index;
 	struct sci_timer *tmr = (struct sci_timer *)data;
 	struct scic_sds_port_configuration_agent *port_agent;
-	struct scic_sds_controller *scic;
 	struct isci_host *ihost;
 	unsigned long flags;
 	u16 configure_phy_mask;
 
 	port_agent = container_of(tmr, typeof(*port_agent), timer);
-	scic = container_of(port_agent, typeof(*scic), port_agent);
-	ihost = scic_to_ihost(scic);
+	ihost = container_of(port_agent, typeof(*ihost), port_agent);
 
 	spin_lock_irqsave(&ihost->scic_lock, flags);
 
@@ -355,7 +345,7 @@ static void mpc_agent_timeout(unsigned long data)
 		struct isci_phy *iphy = &ihost->phys[index];
 
 		if (configure_phy_mask & (1 << index)) {
-			port_agent->link_up_handler(scic, port_agent,
+			port_agent->link_up_handler(ihost, port_agent,
 						    phy_get_non_dummy_port(iphy),
 						    iphy);
 		}
@@ -365,7 +355,7 @@ done:
 	spin_unlock_irqrestore(&ihost->scic_lock, flags);
 }
 
-static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
+static void scic_sds_mpc_agent_link_up(struct isci_host *ihost,
 				       struct scic_sds_port_configuration_agent *port_agent,
 				       struct isci_port *iport,
 				       struct isci_phy *iphy)
@@ -401,7 +391,7 @@ static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
  * link down notification from a phy that has no assocoated port?
  */
 static void scic_sds_mpc_agent_link_down(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct scic_sds_port_configuration_agent *port_agent,
 	struct isci_port *iport,
 	struct isci_phy *iphy)
@@ -438,26 +428,17 @@ static void scic_sds_mpc_agent_link_down(
 	}
 }
 
-/*
- * ******************************************************************************
- * Automatic port configuration agent routines
- * ****************************************************************************** */
-
-/**
- *
- *
- * This routine will verify that the phys are assigned a valid SAS address for
- * automatic port configuration mode.
+/* verify phys are assigned a valid SAS address for automatic port
+ * configuration mode.
  */
-static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
-	struct scic_sds_controller *controller,
-	struct scic_sds_port_configuration_agent *port_agent)
+static enum sci_status
+scic_sds_apc_agent_validate_phy_configuration(struct isci_host *ihost,
+					      struct scic_sds_port_configuration_agent *port_agent)
 {
 	u8 phy_index;
 	u8 port_index;
 	struct sci_sas_address sas_address;
 	struct sci_sas_address phy_assigned_address;
-	struct isci_host *ihost = scic_to_ihost(controller);
 
 	phy_index = 0;
 
@@ -484,10 +465,10 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
 		}
 	}
 
-	return scic_sds_port_configuration_agent_validate_ports(controller, port_agent);
+	return scic_sds_port_configuration_agent_validate_ports(ihost, port_agent);
 }
 
-static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *controller,
+static void scic_sds_apc_agent_configure_ports(struct isci_host *ihost,
 					       struct scic_sds_port_configuration_agent *port_agent,
 					       struct isci_phy *iphy,
 					       bool start_timer)
@@ -496,9 +477,8 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
 	enum sci_status status;
 	struct isci_port *iport;
 	enum SCIC_SDS_APC_ACTIVITY apc_activity = SCIC_SDS_APC_SKIP_PHY;
-	struct isci_host *ihost = scic_to_ihost(controller);
 
-	iport = scic_sds_port_configuration_agent_find_port(controller, iphy);
+	iport = scic_sds_port_configuration_agent_find_port(ihost, iphy);
 
 	if (iport) {
 		if (scic_sds_port_is_valid_phy_assignment(iport, iphy->phy_index))
@@ -619,7 +599,7 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
  * notifications. Is it possible to get a link down notification from a phy
  * that has no assocoated port?
  */
-static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
+static void scic_sds_apc_agent_link_up(struct isci_host *ihost,
 				       struct scic_sds_port_configuration_agent *port_agent,
 				       struct isci_port *iport,
 				       struct isci_phy *iphy)
@@ -629,7 +609,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
 	if (!iport) {
 		/* the phy is not the part of this port */
 		port_agent->phy_ready_mask |= 1 << phy_index;
-		scic_sds_apc_agent_configure_ports(scic, port_agent, iphy, true);
+		scic_sds_apc_agent_configure_ports(ihost, port_agent, iphy, true);
 	} else {
 		/* the phy is already the part of the port */
 		u32 port_state = iport->sm.current_state_id;
@@ -658,7 +638,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
  * port?
  */
 static void scic_sds_apc_agent_link_down(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct scic_sds_port_configuration_agent *port_agent,
 	struct isci_port *iport,
 	struct isci_phy *iphy)
@@ -683,14 +663,12 @@ static void apc_agent_timeout(unsigned long data)
 	u32 index;
 	struct sci_timer *tmr = (struct sci_timer *)data;
 	struct scic_sds_port_configuration_agent *port_agent;
-	struct scic_sds_controller *scic;
 	struct isci_host *ihost;
 	unsigned long flags;
 	u16 configure_phy_mask;
 
 	port_agent = container_of(tmr, typeof(*port_agent), timer);
-	scic = container_of(port_agent, typeof(*scic), port_agent);
-	ihost = scic_to_ihost(scic);
+	ihost = container_of(port_agent, typeof(*ihost), port_agent);
 
 	spin_lock_irqsave(&ihost->scic_lock, flags);
 
@@ -708,7 +686,7 @@ static void apc_agent_timeout(unsigned long data)
 		if ((configure_phy_mask & (1 << index)) == 0)
 			continue;
 
-		scic_sds_apc_agent_configure_ports(scic, port_agent,
+		scic_sds_apc_agent_configure_ports(ihost, port_agent,
 						   &ihost->phys[index], false);
 	}
 
@@ -748,17 +726,17 @@ void scic_sds_port_configuration_agent_construct(
 }
 
 enum sci_status scic_sds_port_configuration_agent_initialize(
-	struct scic_sds_controller *scic,
+	struct isci_host *ihost,
 	struct scic_sds_port_configuration_agent *port_agent)
 {
 	enum sci_status status;
 	enum scic_port_configuration_mode mode;
 
-	mode = scic->oem_parameters.sds1.controller.mode_type;
+	mode = ihost->oem_parameters.sds1.controller.mode_type;
 
 	if (mode == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
 		status = scic_sds_mpc_agent_validate_phy_configuration(
-				scic, port_agent);
+				ihost, port_agent);
 
 		port_agent->link_up_handler = scic_sds_mpc_agent_link_up;
 		port_agent->link_down_handler = scic_sds_mpc_agent_link_down;
@@ -766,7 +744,7 @@ enum sci_status scic_sds_port_configuration_agent_initialize(
 		sci_init_timer(&port_agent->timer, mpc_agent_timeout);
 	} else {
 		status = scic_sds_apc_agent_validate_phy_configuration(
-				scic, port_agent);
+				ihost, port_agent);
 
 		port_agent->link_up_handler = scic_sds_apc_agent_link_up;
 		port_agent->link_down_handler = scic_sds_apc_agent_link_down;
diff --git a/drivers/scsi/isci/probe_roms.h b/drivers/scsi/isci/probe_roms.h
index 95c8d91aab8..e40cb5f6eba 100644
--- a/drivers/scsi/isci/probe_roms.h
+++ b/drivers/scsi/isci/probe_roms.h
@@ -165,7 +165,7 @@ struct scic_sds_oem_params;
 int scic_oem_parameters_validate(struct scic_sds_oem_params *oem);
 
 union scic_oem_parameters;
-void scic_oem_parameters_get(struct scic_sds_controller *scic,
+void scic_oem_parameters_get(struct isci_host *ihost,
 			     union scic_oem_parameters *oem);
 
 struct isci_orom;
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c
index 3b0234049a3..9043b458c99 100644
--- a/drivers/scsi/isci/remote_device.c
+++ b/drivers/scsi/isci/remote_device.c
@@ -62,7 +62,7 @@
 #include "task.h"
 
 /**
- * isci_remote_device_not_ready() - This function is called by the scic when
+ * isci_remote_device_not_ready() - This function is called by the ihost when
  *    the remote device is not ready. We mark the isci device as ready (not
  *    "ready_for_io") and signal the waiting proccess.
  * @isci_host: This parameter specifies the isci host object.
@@ -92,7 +92,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
 				"%s: isci_device = %p request = %p\n",
 				__func__, idev, ireq);
 
-			scic_controller_terminate_request(&ihost->sci,
+			scic_controller_terminate_request(ihost,
 							  idev,
 							  ireq);
 		}
@@ -104,7 +104,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
 }
 
 /**
- * isci_remote_device_ready() - This function is called by the scic when the
+ * isci_remote_device_ready() - This function is called by the ihost when the
  *    remote device is ready. We mark the isci device as ready and signal the
  *    waiting proccess.
  * @ihost: our valid isci_host
@@ -135,8 +135,7 @@ static void rnc_destruct_done(void *_dev)
 
 static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_remote_device *idev)
 {
-	struct scic_sds_controller *scic = idev->owning_port->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = idev->owning_port->owning_controller;
 	enum sci_status status  = SCI_SUCCESS;
 	u32 i;
 
@@ -148,7 +147,7 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_rem
 		    ireq->target_device != idev)
 			continue;
 
-		s = scic_controller_terminate_request(scic, idev, ireq);
+		s = scic_controller_terminate_request(ihost, idev, ireq);
 		if (s != SCI_SUCCESS)
 			status = s;
 	}
@@ -276,7 +275,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 {
 	struct sci_base_state_machine *sm = &idev->sm;
 	enum scic_sds_remote_device_states state = sm->current_state_id;
-	struct scic_sds_controller *scic = idev->owning_port->owning_controller;
+	struct isci_host *ihost = idev->owning_port->owning_controller;
 	enum sci_status status;
 
 	switch (state) {
@@ -290,7 +289,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 		dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
 			 __func__, state);
 		/* Return the frame back to the controller */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		return SCI_FAILURE_INVALID_STATE;
 	case SCI_DEV_READY:
 	case SCI_STP_DEV_NCQ_ERROR:
@@ -303,7 +302,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 		void *frame_header;
 		ssize_t word_cnt;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       &frame_header);
 		if (status != SCI_SUCCESS)
@@ -312,7 +311,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 		word_cnt = sizeof(hdr) / sizeof(u32);
 		sci_swab32_cpy(&hdr, frame_header, word_cnt);
 
-		ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag));
+		ireq = scic_request_by_tag(ihost, be16_to_cpu(hdr.tag));
 		if (ireq && ireq->target_device == idev) {
 			/* The IO request is now in charge of releasing the frame */
 			status = scic_sds_io_request_frame_handler(ireq, frame_index);
@@ -320,14 +319,14 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 			/* We could not map this tag to a valid IO
 			 * request Just toss the frame and continue
 			 */
-			scic_sds_controller_release_frame(scic, frame_index);
+			scic_sds_controller_release_frame(ihost, frame_index);
 		}
 		break;
 	}
 	case SCI_STP_DEV_NCQ: {
 		struct dev_to_host_fis *hdr;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&hdr);
 		if (status != SCI_SUCCESS)
@@ -350,7 +349,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
 		} else
 			status = SCI_FAILURE;
 
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		break;
 	}
 	case SCI_STP_DEV_CMD:
@@ -461,7 +460,7 @@ static void scic_sds_remote_device_start_request(struct isci_remote_device *idev
 	}
 }
 
-enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic,
+enum sci_status scic_sds_remote_device_start_io(struct isci_host *ihost,
 						struct isci_remote_device *idev,
 						struct isci_request *ireq)
 {
@@ -597,7 +596,7 @@ static enum sci_status common_complete_io(struct isci_port *iport,
 	return status;
 }
 
-enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic,
+enum sci_status scic_sds_remote_device_complete_io(struct isci_host *ihost,
 						   struct isci_remote_device *idev,
 						   struct isci_request *ireq)
 {
@@ -678,7 +677,7 @@ static void scic_sds_remote_device_continue_request(void *dev)
 		scic_controller_continue_io(idev->working_request);
 }
 
-enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic,
+enum sci_status scic_sds_remote_device_start_task(struct isci_host *ihost,
 						  struct isci_remote_device *idev,
 						  struct isci_request *ireq)
 {
@@ -802,13 +801,13 @@ static void remote_device_resume_done(void *_dev)
 static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *_dev)
 {
 	struct isci_remote_device *idev = _dev;
-	struct scic_sds_controller *scic = idev->owning_port->owning_controller;
+	struct isci_host *ihost = idev->owning_port->owning_controller;
 
 	/* For NCQ operation we do not issue a isci_remote_device_not_ready().
 	 * As a result, avoid sending the ready notification.
 	 */
 	if (idev->sm.previous_state_id != SCI_STP_DEV_NCQ)
-		isci_remote_device_ready(scic_to_ihost(scic), idev);
+		isci_remote_device_ready(ihost, idev);
 }
 
 static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm)
@@ -836,7 +835,7 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
 {
 	struct sci_base_state_machine *sm = &idev->sm;
 	enum scic_sds_remote_device_states state = sm->current_state_id;
-	struct scic_sds_controller *scic;
+	struct isci_host *ihost;
 
 	if (state != SCI_DEV_STOPPED) {
 		dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
@@ -844,8 +843,8 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
 		return SCI_FAILURE_INVALID_STATE;
 	}
 
-	scic = idev->owning_port->owning_controller;
-	scic_sds_controller_free_remote_node_context(scic, idev,
+	ihost = idev->owning_port->owning_controller;
+	scic_sds_controller_free_remote_node_context(ihost, idev,
 						     idev->rnc.remote_node_index);
 	idev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX;
 	sci_change_state(sm, SCI_DEV_FINAL);
@@ -878,7 +877,7 @@ static void isci_remote_device_deconstruct(struct isci_host *ihost, struct isci_
 static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = idev->owning_port->owning_controller;
+	struct isci_host *ihost = idev->owning_port->owning_controller;
 	u32 prev_state;
 
 	/* If we are entering from the stopping state let the SCI User know that
@@ -886,16 +885,15 @@ static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_mac
 	 */
 	prev_state = idev->sm.previous_state_id;
 	if (prev_state == SCI_DEV_STOPPING)
-		isci_remote_device_deconstruct(scic_to_ihost(scic), idev);
+		isci_remote_device_deconstruct(ihost, idev);
 
-	scic_sds_controller_remote_device_stopped(scic, idev);
+	scic_sds_controller_remote_device_stopped(ihost, idev);
 }
 
 static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
 
 	isci_remote_device_not_ready(ihost, idev,
 				     SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED);
@@ -904,7 +902,7 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_ma
 static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = idev->owning_port->owning_controller;
+	struct isci_host *ihost = idev->owning_port->owning_controller;
 	struct domain_device *dev = idev->domain_dev;
 
 	if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_SATA)) {
@@ -912,7 +910,7 @@ static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machi
 	} else if (dev_is_expander(dev)) {
 		sci_change_state(&idev->sm, SCI_SMP_DEV_IDLE);
 	} else
-		isci_remote_device_ready(scic_to_ihost(scic), idev);
+		isci_remote_device_ready(ihost, idev);
 }
 
 static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm)
@@ -921,9 +919,9 @@ static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machin
 	struct domain_device *dev = idev->domain_dev;
 
 	if (dev->dev_type == SAS_END_DEV) {
-		struct scic_sds_controller *scic = idev->owning_port->owning_controller;
+		struct isci_host *ihost = idev->owning_port->owning_controller;
 
-		isci_remote_device_not_ready(scic_to_ihost(scic), idev,
+		isci_remote_device_not_ready(ihost, idev,
 					     SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED);
 	}
 }
@@ -963,40 +961,40 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base
 static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
+	struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
 
 	BUG_ON(idev->working_request == NULL);
 
-	isci_remote_device_not_ready(scic_to_ihost(scic), idev,
+	isci_remote_device_not_ready(ihost, idev,
 				     SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
 }
 
 static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
+	struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
 
 	if (idev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
-		isci_remote_device_not_ready(scic_to_ihost(scic), idev,
+		isci_remote_device_not_ready(ihost, idev,
 					     idev->not_ready_reason);
 }
 
 static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
+	struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
 
-	isci_remote_device_ready(scic_to_ihost(scic), idev);
+	isci_remote_device_ready(ihost, idev);
 }
 
 static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
-	struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
+	struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
 
 	BUG_ON(idev->working_request == NULL);
 
-	isci_remote_device_not_ready(scic_to_ihost(scic), idev,
+	isci_remote_device_not_ready(ihost, idev,
 				     SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED);
 }
 
@@ -1303,7 +1301,7 @@ void isci_remote_device_release(struct kref *kref)
  * @isci_host: This parameter specifies the isci host object.
  * @isci_device: This parameter specifies the remote device.
  *
- * The status of the scic request to stop.
+ * The status of the ihost request to stop.
  */
 enum sci_status isci_remote_device_stop(struct isci_host *ihost, struct isci_remote_device *idev)
 {
diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h
index 45798582fc1..bc4da20a13f 100644
--- a/drivers/scsi/isci/remote_device.h
+++ b/drivers/scsi/isci/remote_device.h
@@ -402,17 +402,17 @@ enum sci_status scic_sds_remote_device_event_handler(
 	u32 event_code);
 
 enum sci_status scic_sds_remote_device_start_io(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_status scic_sds_remote_device_start_task(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
 enum sci_status scic_sds_remote_device_complete_io(
-	struct scic_sds_controller *controller,
+	struct isci_host *ihost,
 	struct isci_remote_device *idev,
 	struct isci_request *ireq);
 
diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c
index e485744e126..8a5203b6eb0 100644
--- a/drivers/scsi/isci/remote_node_context.c
+++ b/drivers/scsi/isci/remote_node_context.c
@@ -107,11 +107,11 @@ static void scic_sds_remote_node_context_construct_buffer(
 	struct domain_device *dev = idev->domain_dev;
 	int rni = sci_rnc->remote_node_index;
 	union scu_remote_node_context *rnc;
-	struct scic_sds_controller *scic;
+	struct isci_host *ihost;
 	__le64 sas_addr;
 
-	scic = scic_sds_remote_device_get_controller(idev);
-	rnc = scic_sds_controller_get_remote_node_context_buffer(scic, rni);
+	ihost = scic_sds_remote_device_get_controller(idev);
+	rnc = scic_sds_controller_get_remote_node_context_buffer(ihost, rni);
 
 	memset(rnc, 0, sizeof(union scu_remote_node_context)
 		* scic_sds_remote_device_node_count(idev));
@@ -135,14 +135,14 @@ static void scic_sds_remote_node_context_construct_buffer(
 
 	if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
 		rnc->ssp.connection_occupancy_timeout =
-			scic->user_parameters.sds1.stp_max_occupancy_timeout;
+			ihost->user_parameters.sds1.stp_max_occupancy_timeout;
 		rnc->ssp.connection_inactivity_timeout =
-			scic->user_parameters.sds1.stp_inactivity_timeout;
+			ihost->user_parameters.sds1.stp_inactivity_timeout;
 	} else {
 		rnc->ssp.connection_occupancy_timeout  =
-			scic->user_parameters.sds1.ssp_max_occupancy_timeout;
+			ihost->user_parameters.sds1.ssp_max_occupancy_timeout;
 		rnc->ssp.connection_inactivity_timeout =
-			scic->user_parameters.sds1.ssp_inactivity_timeout;
+			ihost->user_parameters.sds1.ssp_inactivity_timeout;
 	}
 
 	rnc->ssp.initial_arbitration_wait_time = 0;
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 90ead662828..36e674896bc 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -74,19 +74,19 @@ static struct scu_sgl_element_pair *to_sgl_element_pair(struct isci_request *ire
 		return &ireq->sg_table[idx - 2];
 }
 
-static dma_addr_t to_sgl_element_pair_dma(struct scic_sds_controller *scic,
+static dma_addr_t to_sgl_element_pair_dma(struct isci_host *ihost,
 					  struct isci_request *ireq, u32 idx)
 {
 	u32 offset;
 
 	if (idx == 0) {
 		offset = (void *) &ireq->tc->sgl_pair_ab -
-			 (void *) &scic->task_context_table[0];
-		return scic->task_context_dma + offset;
+			 (void *) &ihost->task_context_table[0];
+		return ihost->task_context_dma + offset;
 	} else if (idx == 1) {
 		offset = (void *) &ireq->tc->sgl_pair_cd -
-			 (void *) &scic->task_context_table[0];
-		return scic->task_context_dma + offset;
+			 (void *) &ihost->task_context_table[0];
+		return ihost->task_context_dma + offset;
 	}
 
 	return scic_io_request_get_dma_addr(ireq, &ireq->sg_table[idx - 2]);
@@ -102,8 +102,7 @@ static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg)
 
 static void scic_sds_request_build_sgl(struct isci_request *ireq)
 {
-	struct isci_host *isci_host = ireq->isci_host;
-	struct scic_sds_controller *scic = &isci_host->sci;
+	struct isci_host *ihost = ireq->isci_host;
 	struct sas_task *task = isci_request_access_task(ireq);
 	struct scatterlist *sg = NULL;
 	dma_addr_t dma_addr;
@@ -125,7 +124,7 @@ static void scic_sds_request_build_sgl(struct isci_request *ireq)
 				memset(&scu_sg->B, 0, sizeof(scu_sg->B));
 
 			if (prev_sg) {
-				dma_addr = to_sgl_element_pair_dma(scic,
+				dma_addr = to_sgl_element_pair_dma(ihost,
 								   ireq,
 								   sg_idx);
 
@@ -141,7 +140,7 @@ static void scic_sds_request_build_sgl(struct isci_request *ireq)
 	} else {	/* handle when no sg */
 		scu_sg = to_sgl_element_pair(ireq, sg_idx);
 
-		dma_addr = dma_map_single(&isci_host->pdev->dev,
+		dma_addr = dma_map_single(&ihost->pdev->dev,
 					  task->scatter,
 					  task->total_xfer_len,
 					  task->data_dir);
@@ -508,7 +507,7 @@ scic_io_request_construct_sata(struct isci_request *ireq,
 			scu_stp_raw_request_construct_task_context(ireq);
 			return SCI_SUCCESS;
 		} else {
-			dev_err(scic_to_dev(ireq->owning_controller),
+			dev_err(&ireq->owning_controller->pdev->dev,
 				"%s: Request 0x%p received un-handled SAT "
 				"management protocol 0x%x.\n",
 				__func__, ireq, tmf->tmf_code);
@@ -518,7 +517,7 @@ scic_io_request_construct_sata(struct isci_request *ireq,
 	}
 
 	if (!sas_protocol_ata(task->task_proto)) {
-		dev_err(scic_to_dev(ireq->owning_controller),
+		dev_err(&ireq->owning_controller->pdev->dev,
 			"%s: Non-ATA protocol in SATA path: 0x%x\n",
 			__func__,
 			task->task_proto);
@@ -616,7 +615,7 @@ enum sci_status scic_task_request_construct_sata(struct isci_request *ireq)
 		    tmf->tmf_code == isci_tmf_sata_srst_low) {
 			scu_stp_raw_request_construct_task_context(ireq);
 		} else {
-			dev_err(scic_to_dev(ireq->owning_controller),
+			dev_err(&ireq->owning_controller->pdev->dev,
 				"%s: Request 0x%p received un-handled SAT "
 				"Protocol 0x%x.\n",
 				__func__, ireq, tmf->tmf_code);
@@ -639,11 +638,11 @@ enum sci_status scic_task_request_construct_sata(struct isci_request *ireq)
 #define SCU_TASK_CONTEXT_SRAM 0x200000
 static u32 sci_req_tx_bytes(struct isci_request *ireq)
 {
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 	u32 ret_val = 0;
 
-	if (readl(&scic->smu_registers->address_modifier) == 0) {
-		void __iomem *scu_reg_base = scic->scu_registers;
+	if (readl(&ihost->smu_registers->address_modifier) == 0) {
+		void __iomem *scu_reg_base = ihost->scu_registers;
 
 		/* get the bytes of data from the Address == BAR1 + 20002Ch + (256*TCi) where
 		 *   BAR1 is the scu_registers
@@ -663,11 +662,11 @@ enum sci_status scic_sds_request_start(struct isci_request *ireq)
 {
 	enum sci_base_request_states state;
 	struct scu_task_context *tc = ireq->tc;
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 
 	state = ireq->sm.current_state_id;
 	if (state != SCI_REQ_CONSTRUCTED) {
-		dev_warn(scic_to_dev(scic),
+		dev_warn(&ihost->pdev->dev,
 			"%s: SCIC IO Request requested to start while in wrong "
 			 "state %d\n", __func__, state);
 		return SCI_FAILURE_INVALID_STATE;
@@ -749,7 +748,7 @@ scic_sds_io_request_terminate(struct isci_request *ireq)
 		return SCI_SUCCESS;
 	case SCI_REQ_COMPLETED:
 	default:
-		dev_warn(scic_to_dev(ireq->owning_controller),
+		dev_warn(&ireq->owning_controller->pdev->dev,
 			 "%s: SCIC IO Request requested to abort while in wrong "
 			 "state %d\n",
 			 __func__,
@@ -763,7 +762,7 @@ scic_sds_io_request_terminate(struct isci_request *ireq)
 enum sci_status scic_sds_request_complete(struct isci_request *ireq)
 {
 	enum sci_base_request_states state;
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 
 	state = ireq->sm.current_state_id;
 	if (WARN_ONCE(state != SCI_REQ_COMPLETED,
@@ -771,7 +770,7 @@ enum sci_status scic_sds_request_complete(struct isci_request *ireq)
 		return SCI_FAILURE_INVALID_STATE;
 
 	if (ireq->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX)
-		scic_sds_controller_release_frame(scic,
+		scic_sds_controller_release_frame(ihost,
 						  ireq->saved_rx_frame_index);
 
 	/* XXX can we just stop the machine and remove the 'final' state? */
@@ -783,12 +782,12 @@ enum sci_status scic_sds_io_request_event_handler(struct isci_request *ireq,
 						  u32 event_code)
 {
 	enum sci_base_request_states state;
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 
 	state = ireq->sm.current_state_id;
 
 	if (state != SCI_REQ_STP_PIO_DATA_IN) {
-		dev_warn(scic_to_dev(scic), "%s: (%x) in wrong state %d\n",
+		dev_warn(&ihost->pdev->dev, "%s: (%x) in wrong state %d\n",
 			 __func__, event_code, state);
 
 		return SCI_FAILURE_INVALID_STATE;
@@ -802,7 +801,7 @@ enum sci_status scic_sds_io_request_event_handler(struct isci_request *ireq,
 		sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
 		return SCI_SUCCESS;
 	default:
-		dev_err(scic_to_dev(scic),
+		dev_err(&ihost->pdev->dev,
 			"%s: pio request unexpected event %#x\n",
 			__func__, event_code);
 
@@ -1024,7 +1023,7 @@ static enum sci_status ssp_task_request_await_tc_event(struct isci_request *ireq
 		 * There is a potential for receiving multiple task responses if
 		 * we decide to send the task IU again.
 		 */
-		dev_warn(scic_to_dev(ireq->owning_controller),
+		dev_warn(&ireq->owning_controller->pdev->dev,
 			 "%s: TaskRequest:0x%p CompletionCode:%x - "
 			 "ACK/NAK timeout\n", __func__, ireq,
 			 completion_code);
@@ -1073,7 +1072,7 @@ smp_request_await_response_tc_event(struct isci_request *ireq,
 		 * response within 2 ms. This causes our hardware break
 		 * the connection and set TC completion with one of
 		 * these SMP_XXX_XX_ERR status. For these type of error,
-		 * we ask scic user to retry the request.
+		 * we ask ihost user to retry the request.
 		 */
 		scic_sds_request_set_status(ireq, SCU_TASK_DONE_SMP_RESP_TO_ERR,
 					    SCI_FAILURE_RETRY_REQUIRED);
@@ -1451,18 +1450,18 @@ static void scic_sds_stp_request_udma_complete_request(
 static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct isci_request *ireq,
 								       u32 frame_index)
 {
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 	struct dev_to_host_fis *frame_header;
 	enum sci_status status;
 	u32 *frame_buffer;
 
-	status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+	status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 							       frame_index,
 							       (void **)&frame_header);
 
 	if ((status == SCI_SUCCESS) &&
 	    (frame_header->fis_type == FIS_REGD2H)) {
-		scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+		scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 							      frame_index,
 							      (void **)&frame_buffer);
 
@@ -1471,7 +1470,7 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct is
 						       frame_buffer);
 	}
 
-	scic_sds_controller_release_frame(scic, frame_index);
+	scic_sds_controller_release_frame(ihost, frame_index);
 
 	return status;
 }
@@ -1480,7 +1479,7 @@ enum sci_status
 scic_sds_io_request_frame_handler(struct isci_request *ireq,
 				  u32 frame_index)
 {
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 	struct isci_stp_request *stp_req = &ireq->stp.req;
 	enum sci_base_request_states state;
 	enum sci_status status;
@@ -1492,7 +1491,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		struct ssp_frame_hdr ssp_hdr;
 		void *frame_header;
 
-		scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 							      frame_index,
 							      &frame_header);
 
@@ -1503,7 +1502,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			struct ssp_response_iu *resp_iu;
 			ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
 
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&resp_iu);
 
@@ -1522,7 +1521,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 							    SCI_SUCCESS);
 		} else {
 			/* not a response frame, why did it get forwarded? */
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC IO Request 0x%p received unexpected "
 				"frame %d type 0x%02x\n", __func__, ireq,
 				frame_index, ssp_hdr.frame_type);
@@ -1532,7 +1531,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		 * In any case we are done with this frame buffer return it to
 		 * the controller
 		 */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return SCI_SUCCESS;
 	}
@@ -1540,14 +1539,14 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 	case SCI_REQ_TASK_WAIT_TC_RESP:
 		scic_sds_io_request_copy_response(ireq);
 		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
-		scic_sds_controller_release_frame(scic,frame_index);
+		scic_sds_controller_release_frame(ihost,frame_index);
 		return SCI_SUCCESS;
 
 	case SCI_REQ_SMP_WAIT_RESP: {
 		struct smp_resp *rsp_hdr = &ireq->smp.rsp;
 		void *frame_header;
 
-		scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 							      frame_index,
 							      &frame_header);
 
@@ -1558,7 +1557,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		if (rsp_hdr->frame_type == SMP_RESPONSE) {
 			void *smp_resp;
 
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      &smp_resp);
 
@@ -1577,7 +1576,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			 * This was not a response frame why did it get
 			 * forwarded?
 			 */
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC SMP Request 0x%p received unexpected "
 				"frame %d type 0x%02x\n",
 				__func__,
@@ -1592,7 +1591,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 		}
 
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return SCI_SUCCESS;
 	}
@@ -1619,12 +1618,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		struct dev_to_host_fis *frame_header;
 		u32 *frame_buffer;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&frame_header);
 
 		if (status != SCI_SUCCESS) {
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC IO Request 0x%p could not get frame "
 				"header for frame index %d, status %x\n",
 				__func__,
@@ -1637,7 +1636,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 
 		switch (frame_header->fis_type) {
 		case FIS_REGD2H:
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&frame_buffer);
 
@@ -1651,7 +1650,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			break;
 
 		default:
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: IO Request:0x%p Frame Id:%d protocol "
 				  "violation occurred\n", __func__, stp_req,
 				  frame_index);
@@ -1664,7 +1663,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 
 		/* Frame has been decoded return it to the controller */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return status;
 	}
@@ -1674,12 +1673,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		struct dev_to_host_fis *frame_header;
 		u32 *frame_buffer;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&frame_header);
 
 		if (status != SCI_SUCCESS) {
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC IO Request 0x%p could not get frame "
 				"header for frame index %d, status %x\n",
 				__func__, stp_req, frame_index, status);
@@ -1689,7 +1688,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		switch (frame_header->fis_type) {
 		case FIS_PIO_SETUP:
 			/* Get from the frame buffer the PIO Setup Data */
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&frame_buffer);
 
@@ -1736,7 +1735,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 				 * FIS when it is still busy?  Do nothing since
 				 * we are still in the right state.
 				 */
-				dev_dbg(scic_to_dev(scic),
+				dev_dbg(&ihost->pdev->dev,
 					"%s: SCIC PIO Request 0x%p received "
 					"D2H Register FIS with BSY status "
 					"0x%x\n",
@@ -1746,7 +1745,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 				break;
 			}
 
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&frame_buffer);
 
@@ -1767,7 +1766,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		}
 
 		/* Frame is decoded return it to the controller */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return status;
 	}
@@ -1776,12 +1775,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		struct dev_to_host_fis *frame_header;
 		struct sata_fis_data *frame_buffer;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&frame_header);
 
 		if (status != SCI_SUCCESS) {
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC IO Request 0x%p could not get frame "
 				"header for frame index %d, status %x\n",
 				__func__,
@@ -1792,7 +1791,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		}
 
 		if (frame_header->fis_type != FIS_DATA) {
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC PIO Request 0x%p received frame %d "
 				"with fis type 0x%02x when expecting a data "
 				"fis.\n",
@@ -1808,7 +1807,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 
 			/* Frame is decoded return it to the controller */
-			scic_sds_controller_release_frame(scic, frame_index);
+			scic_sds_controller_release_frame(ihost, frame_index);
 			return status;
 		}
 
@@ -1816,7 +1815,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			ireq->saved_rx_frame_index = frame_index;
 			stp_req->pio_len = 0;
 		} else {
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&frame_buffer);
 
@@ -1824,7 +1823,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 									    (u8 *)frame_buffer);
 
 			/* Frame is decoded return it to the controller */
-			scic_sds_controller_release_frame(scic, frame_index);
+			scic_sds_controller_release_frame(ihost, frame_index);
 		}
 
 		/* Check for the end of the transfer, are there more
@@ -1849,11 +1848,11 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		struct dev_to_host_fis *frame_header;
 		u32 *frame_buffer;
 
-		status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+		status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
 								       frame_index,
 								       (void **)&frame_header);
 		if (status != SCI_SUCCESS) {
-			dev_err(scic_to_dev(scic),
+			dev_err(&ihost->pdev->dev,
 				"%s: SCIC IO Request 0x%p could not get frame "
 				"header for frame index %d, status %x\n",
 				__func__,
@@ -1865,7 +1864,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 
 		switch (frame_header->fis_type) {
 		case FIS_REGD2H:
-			scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+			scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
 								      frame_index,
 								      (void **)&frame_buffer);
 
@@ -1880,7 +1879,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 			break;
 
 		default:
-			dev_warn(scic_to_dev(scic),
+			dev_warn(&ihost->pdev->dev,
 				 "%s: IO Request:0x%p Frame Id:%d protocol "
 				 "violation occurred\n",
 				 __func__,
@@ -1896,7 +1895,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 
 		/* Frame has been decoded return it to the controller */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 
 		return status;
 	}
@@ -1905,18 +1904,18 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
 		 * TODO: Is it even possible to get an unsolicited frame in the
 		 * aborting state?
 		 */
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		return SCI_SUCCESS;
 
 	default:
-		dev_warn(scic_to_dev(scic),
+		dev_warn(&ihost->pdev->dev,
 			 "%s: SCIC IO Request given unexpected frame %x while "
 			 "in state %d\n",
 			 __func__,
 			 frame_index,
 			 state);
 
-		scic_sds_controller_release_frame(scic, frame_index);
+		scic_sds_controller_release_frame(ihost, frame_index);
 		return SCI_FAILURE_INVALID_STATE;
 	}
 }
@@ -2042,7 +2041,7 @@ scic_sds_io_request_tc_completion(struct isci_request *ireq,
 				  u32 completion_code)
 {
 	enum sci_base_request_states state;
-	struct scic_sds_controller *scic = ireq->owning_controller;
+	struct isci_host *ihost = ireq->owning_controller;
 
 	state = ireq->sm.current_state_id;
 
@@ -2089,7 +2088,7 @@ scic_sds_io_request_tc_completion(struct isci_request *ireq,
 						       completion_code);
 
 	default:
-		dev_warn(scic_to_dev(scic),
+		dev_warn(&ihost->pdev->dev,
 			 "%s: SCIC IO Request given task completion "
 			 "notification %x while in wrong state %d\n",
 			 __func__,
@@ -2480,7 +2479,7 @@ static void isci_task_save_for_upper_layer_completion(
 	}
 }
 
-static void isci_request_io_request_complete(struct isci_host *isci_host,
+static void isci_request_io_request_complete(struct isci_host *ihost,
 					     struct isci_request *request,
 					     enum sci_io_status completion_status)
 {
@@ -2495,7 +2494,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 	enum isci_completion_selection complete_to_host
 		= isci_perform_normal_io_completion;
 
-	dev_dbg(&isci_host->pdev->dev,
+	dev_dbg(&ihost->pdev->dev,
 		"%s: request = %p, task = %p,\n"
 		"task->data_dir = %d completion_status = 0x%x\n",
 		__func__,
@@ -2616,7 +2615,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 		switch (completion_status) {
 
 		case SCI_IO_FAILURE_RESPONSE_VALID:
-			dev_dbg(&isci_host->pdev->dev,
+			dev_dbg(&ihost->pdev->dev,
 				"%s: SCI_IO_FAILURE_RESPONSE_VALID (%p/%p)\n",
 				__func__,
 				request,
@@ -2631,17 +2630,17 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 				/* crack the iu response buffer. */
 				resp_iu = &request->ssp.rsp;
 				isci_request_process_response_iu(task, resp_iu,
-								 &isci_host->pdev->dev);
+								 &ihost->pdev->dev);
 
 			} else if (SAS_PROTOCOL_SMP == task->task_proto) {
 
-				dev_err(&isci_host->pdev->dev,
+				dev_err(&ihost->pdev->dev,
 					"%s: SCI_IO_FAILURE_RESPONSE_VALID: "
 					"SAS_PROTOCOL_SMP protocol\n",
 					__func__);
 
 			} else
-				dev_err(&isci_host->pdev->dev,
+				dev_err(&ihost->pdev->dev,
 					"%s: unknown protocol\n", __func__);
 
 			/* use the task status set in the task struct by the
@@ -2662,7 +2661,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 			if (task->task_proto == SAS_PROTOCOL_SMP) {
 				void *rsp = &request->smp.rsp;
 
-				dev_dbg(&isci_host->pdev->dev,
+				dev_dbg(&ihost->pdev->dev,
 					"%s: SMP protocol completion\n",
 					__func__);
 
@@ -2687,20 +2686,20 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 				if (task->task_status.residual != 0)
 					status = SAS_DATA_UNDERRUN;
 
-				dev_dbg(&isci_host->pdev->dev,
+				dev_dbg(&ihost->pdev->dev,
 					"%s: SCI_IO_SUCCESS_IO_DONE_EARLY %d\n",
 					__func__,
 					status);
 
 			} else
-				dev_dbg(&isci_host->pdev->dev,
+				dev_dbg(&ihost->pdev->dev,
 					"%s: SCI_IO_SUCCESS\n",
 					__func__);
 
 			break;
 
 		case SCI_IO_FAILURE_TERMINATED:
-			dev_dbg(&isci_host->pdev->dev,
+			dev_dbg(&ihost->pdev->dev,
 				"%s: SCI_IO_FAILURE_TERMINATED (%p/%p)\n",
 				__func__,
 				request,
@@ -2768,7 +2767,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 
 		default:
 			/* Catch any otherwise unhandled error codes here. */
-			dev_warn(&isci_host->pdev->dev,
+			dev_warn(&ihost->pdev->dev,
 				 "%s: invalid completion code: 0x%x - "
 				 "isci_request = %p\n",
 				 __func__, completion_status, request);
@@ -2802,11 +2801,11 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 			break;
 		if (task->num_scatter == 0)
 			/* 0 indicates a single dma address */
-			dma_unmap_single(&isci_host->pdev->dev,
+			dma_unmap_single(&ihost->pdev->dev,
 					 request->zero_scatter_daddr,
 					 task->total_xfer_len, task->data_dir);
 		else  /* unmap the sgl dma addresses */
-			dma_unmap_sg(&isci_host->pdev->dev, task->scatter,
+			dma_unmap_sg(&ihost->pdev->dev, task->scatter,
 				     request->num_sg_entries, task->data_dir);
 		break;
 	case SAS_PROTOCOL_SMP: {
@@ -2814,7 +2813,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 		struct smp_req *smp_req;
 		void *kaddr;
 
-		dma_unmap_sg(&isci_host->pdev->dev, sg, 1, DMA_TO_DEVICE);
+		dma_unmap_sg(&ihost->pdev->dev, sg, 1, DMA_TO_DEVICE);
 
 		/* need to swab it back in case the command buffer is re-used */
 		kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
@@ -2828,14 +2827,12 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 	}
 
 	/* Put the completed request on the correct list */
-	isci_task_save_for_upper_layer_completion(isci_host, request, response,
+	isci_task_save_for_upper_layer_completion(ihost, request, response,
 						  status, complete_to_host
 						  );
 
 	/* complete the io request to the core. */
-	scic_controller_complete_io(&isci_host->sci,
-				    request->target_device,
-				    request);
+	scic_controller_complete_io(ihost, request->target_device, request);
 	isci_put_device(idev);
 
 	/* set terminated handle so it cannot be completed or
@@ -2885,8 +2882,7 @@ static void scic_sds_request_started_state_enter(struct sci_base_state_machine *
 static void scic_sds_request_completed_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
-	struct scic_sds_controller *scic = ireq->owning_controller;
-	struct isci_host *ihost = scic_to_ihost(scic);
+	struct isci_host *ihost = ireq->owning_controller;
 
 	/* Tell the SCI_USER that the IO request is complete */
 	if (!test_bit(IREQ_TMF, &ireq->flags))
@@ -2985,7 +2981,7 @@ static const struct sci_base_state scic_sds_request_state_table[] = {
 };
 
 static void
-scic_sds_general_request_construct(struct scic_sds_controller *scic,
+scic_sds_general_request_construct(struct isci_host *ihost,
 				   struct isci_remote_device *idev,
 				   struct isci_request *ireq)
 {
@@ -3001,7 +2997,7 @@ scic_sds_general_request_construct(struct scic_sds_controller *scic,
 }
 
 static enum sci_status
-scic_io_request_construct(struct scic_sds_controller *scic,
+scic_io_request_construct(struct isci_host *ihost,
 			  struct isci_remote_device *idev,
 			  struct isci_request *ireq)
 {
@@ -3009,7 +3005,7 @@ scic_io_request_construct(struct scic_sds_controller *scic,
 	enum sci_status status = SCI_SUCCESS;
 
 	/* Build the common part of the request */
-	scic_sds_general_request_construct(scic, idev, ireq);
+	scic_sds_general_request_construct(ihost, idev, ireq);
 
 	if (idev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX)
 		return SCI_FAILURE_INVALID_REMOTE_DEVICE;
@@ -3028,7 +3024,7 @@ scic_io_request_construct(struct scic_sds_controller *scic,
 	return status;
 }
 
-enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
+enum sci_status scic_task_request_construct(struct isci_host *ihost,
 					    struct isci_remote_device *idev,
 					    u16 io_tag, struct isci_request *ireq)
 {
@@ -3036,7 +3032,7 @@ enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
 	enum sci_status status = SCI_SUCCESS;
 
 	/* Build the common part of the request */
-	scic_sds_general_request_construct(scic, idev, ireq);
+	scic_sds_general_request_construct(ihost, idev, ireq);
 
 	if (dev->dev_type == SAS_END_DEV ||
 	    dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
@@ -3156,7 +3152,7 @@ scic_io_request_construct_smp(struct device *dev,
 	task_context->initiator_request = 1;
 	task_context->connection_rate = idev->connection_rate;
 	task_context->protocol_engine_index =
-		scic_sds_controller_get_protocol_engine_group(scic);
+		scic_sds_controller_get_protocol_engine_group(ihost);
 	task_context->logical_port_index = scic_sds_port_get_index(iport);
 	task_context->protocol_type = SCU_TASK_CONTEXT_PROTOCOL_SMP;
 	task_context->abort = 0;
@@ -3199,7 +3195,7 @@ scic_io_request_construct_smp(struct device *dev,
 	task_context->task_phase = 0;
 
 	ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
-				 (scic_sds_controller_get_protocol_engine_group(scic) <<
+				 (scic_sds_controller_get_protocol_engine_group(ihost) <<
 				  SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) |
 				 (scic_sds_port_get_index(iport) <<
 				  SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) |
@@ -3245,7 +3241,7 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq)
 
 /**
  * isci_io_request_build() - This function builds the io request object.
- * @isci_host: This parameter specifies the ISCI host object
+ * @ihost: This parameter specifies the ISCI host object
  * @request: This parameter points to the isci_request object allocated in the
  *    request construct function.
  * @sci_device: This parameter is the handle for the sci core's remote device
@@ -3253,14 +3249,14 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq)
  *
  * SCI_SUCCESS on successfull completion, or specific failure code.
  */
-static enum sci_status isci_io_request_build(struct isci_host *isci_host,
+static enum sci_status isci_io_request_build(struct isci_host *ihost,
 					     struct isci_request *request,
 					     struct isci_remote_device *idev)
 {
 	enum sci_status status = SCI_SUCCESS;
 	struct sas_task *task = isci_request_access_task(request);
 
-	dev_dbg(&isci_host->pdev->dev,
+	dev_dbg(&ihost->pdev->dev,
 		"%s: idev = 0x%p; request = %p, "
 		"num_scatter = %d\n",
 		__func__,
@@ -3277,7 +3273,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
 	    !(SAS_PROTOCOL_SMP & task->task_proto)) {
 
 		request->num_sg_entries = dma_map_sg(
-			&isci_host->pdev->dev,
+			&ihost->pdev->dev,
 			task->scatter,
 			task->num_scatter,
 			task->data_dir
@@ -3287,10 +3283,10 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
 			return SCI_FAILURE_INSUFFICIENT_RESOURCES;
 	}
 
-	status = scic_io_request_construct(&isci_host->sci, idev, request);
+	status = scic_io_request_construct(ihost, idev, request);
 
 	if (status != SCI_SUCCESS) {
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 			 "%s: failed request construct\n",
 			 __func__);
 		return SCI_FAILURE;
@@ -3309,7 +3305,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
 		status = isci_request_stp_request_construct(request);
 		break;
 	default:
-		dev_warn(&isci_host->pdev->dev,
+		dev_warn(&ihost->pdev->dev,
 			 "%s: unknown protocol\n", __func__);
 		return SCI_FAILURE;
 	}
@@ -3392,7 +3388,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
 			 * request was built that way (ie.
 			 * ireq->is_task_management_request is false).
 			 */
-			status = scic_controller_start_task(&ihost->sci,
+			status = scic_controller_start_task(ihost,
 							    idev,
 							    ireq);
 		} else {
@@ -3400,7 +3396,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
 		}
 	} else {
 		/* send the request, let the core assign the IO TAG.	*/
-		status = scic_controller_start_io(&ihost->sci, idev,
+		status = scic_controller_start_io(ihost, idev,
 						  ireq);
 	}
 
diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index ca64ea207ac..0cafcead7a0 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -145,7 +145,7 @@ struct isci_request {
 	 */
 	struct completion *io_request_completion;
 	struct sci_base_state_machine sm;
-	struct scic_sds_controller *owning_controller;
+	struct isci_host *owning_controller;
 	struct isci_remote_device *target_device;
 	u16 io_tag;
 	enum sci_request_protocol protocol;
@@ -500,7 +500,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
 void isci_terminate_pending_requests(struct isci_host *ihost,
 				     struct isci_remote_device *idev);
 enum sci_status
-scic_task_request_construct(struct scic_sds_controller *scic,
+scic_task_request_construct(struct isci_host *ihost,
 			    struct isci_remote_device *idev,
 			    u16 io_tag,
 			    struct isci_request *ireq);
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index 89b01eef44b..3a1fc55a755 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -257,7 +257,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
 		return NULL;
 
 	/* let the core do it's construct. */
-	status = scic_task_request_construct(&ihost->sci, idev, tag,
+	status = scic_task_request_construct(ihost, idev, tag,
 					     ireq);
 
 	if (status != SCI_SUCCESS) {
@@ -332,7 +332,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
 	spin_lock_irqsave(&ihost->scic_lock, flags);
 
 	/* start the TMF io. */
-	status = scic_controller_start_task(&ihost->sci, idev, ireq);
+	status = scic_controller_start_task(ihost, idev, ireq);
 
 	if (status != SCI_TASK_SUCCESS) {
 		dev_warn(&ihost->pdev->dev,
@@ -364,7 +364,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
 		if (tmf->cb_state_func != NULL)
 			tmf->cb_state_func(isci_tmf_timed_out, tmf, tmf->cb_data);
 
-		scic_controller_terminate_request(&ihost->sci,
+		scic_controller_terminate_request(ihost,
 						  idev,
 						  ireq);
 
@@ -514,15 +514,14 @@ static void isci_request_cleanup_completed_loiterer(
  *    request, and wait for it to complete.  This function must only be called
  *    from a thread that can wait.  Note that the request is terminated and
  *    completed (back to the host, if started there).
- * @isci_host: This SCU.
+ * @ihost: This SCU.
  * @idev: The target.
  * @isci_request: The I/O request to be terminated.
  *
  */
-static void isci_terminate_request_core(
-	struct isci_host *isci_host,
-	struct isci_remote_device *idev,
-	struct isci_request *isci_request)
+static void isci_terminate_request_core(struct isci_host *ihost,
+					struct isci_remote_device *idev,
+					struct isci_request *isci_request)
 {
 	enum sci_status status      = SCI_SUCCESS;
 	bool was_terminated         = false;
@@ -533,11 +532,11 @@ static void isci_terminate_request_core(
 	struct completion *io_request_completion;
 	struct sas_task   *task;
 
-	dev_dbg(&isci_host->pdev->dev,
+	dev_dbg(&ihost->pdev->dev,
 		"%s: device = %p; request = %p\n",
 		__func__, idev, isci_request);
 
-	spin_lock_irqsave(&isci_host->scic_lock, flags);
+	spin_lock_irqsave(&ihost->scic_lock, flags);
 
 	io_request_completion = isci_request->io_request_completion;
 
@@ -557,12 +556,11 @@ static void isci_terminate_request_core(
 	if (!test_bit(IREQ_TERMINATED, &isci_request->flags)) {
 		was_terminated = true;
 		needs_cleanup_handling = true;
-		status = scic_controller_terminate_request(
-			&isci_host->sci,
-			idev,
-			isci_request);
+		status = scic_controller_terminate_request(ihost,
+							   idev,
+							   isci_request);
 	}
-	spin_unlock_irqrestore(&isci_host->scic_lock, flags);
+	spin_unlock_irqrestore(&ihost->scic_lock, flags);
 
 	/*
 	 * The only time the request to terminate will
@@ -570,7 +568,7 @@ static void isci_terminate_request_core(
 	 * being aborted.
 	 */
 	if (status != SCI_SUCCESS) {
-		dev_err(&isci_host->pdev->dev,
+		dev_err(&ihost->pdev->dev,
 			"%s: scic_controller_terminate_request"
 			" returned = 0x%x\n",
 			__func__, status);
@@ -579,7 +577,7 @@ static void isci_terminate_request_core(
 
 	} else {
 		if (was_terminated) {
-			dev_dbg(&isci_host->pdev->dev,
+			dev_dbg(&ihost->pdev->dev,
 				"%s: before completion wait (%p/%p)\n",
 				__func__, isci_request, io_request_completion);
 
@@ -593,7 +591,7 @@ static void isci_terminate_request_core(
 			if (!termination_completed) {
 
 				/* The request to terminate has timed out.  */
-				spin_lock_irqsave(&isci_host->scic_lock,
+				spin_lock_irqsave(&ihost->scic_lock,
 						  flags);
 
 				/* Check for state changes. */
@@ -623,12 +621,12 @@ static void isci_terminate_request_core(
 				} else
 					termination_completed = 1;
 
-				spin_unlock_irqrestore(&isci_host->scic_lock,
+				spin_unlock_irqrestore(&ihost->scic_lock,
 						       flags);
 
 				if (!termination_completed) {
 
-					dev_err(&isci_host->pdev->dev,
+					dev_err(&ihost->pdev->dev,
 						"%s: *** Timeout waiting for "
 						"termination(%p/%p)\n",
 						__func__, io_request_completion,
@@ -642,7 +640,7 @@ static void isci_terminate_request_core(
 				}
 			}
 			if (termination_completed)
-				dev_dbg(&isci_host->pdev->dev,
+				dev_dbg(&ihost->pdev->dev,
 					"%s: after completion wait (%p/%p)\n",
 					__func__, isci_request, io_request_completion);
 		}
@@ -678,7 +676,7 @@ static void isci_terminate_request_core(
 		}
 		if (needs_cleanup_handling)
 			isci_request_cleanup_completed_loiterer(
-				isci_host, idev, isci_request, task);
+				ihost, idev, isci_request, task);
 	}
 }
 
@@ -1253,7 +1251,7 @@ isci_task_request_complete(struct isci_host *ihost,
 	/* PRINT_TMF( ((struct isci_tmf *)request->task)); */
 	tmf_complete = tmf->complete;
 
-	scic_controller_complete_io(&ihost->sci, ireq->target_device, ireq);
+	scic_controller_complete_io(ihost, ireq->target_device, ireq);
 	/* set the 'terminated' flag handle to make sure it cannot be terminated
 	 *  or completed again.
 	 */
diff --git a/drivers/scsi/isci/unsolicited_frame_control.c b/drivers/scsi/isci/unsolicited_frame_control.c
index 680582d8cde..a0e6f89fc6a 100644
--- a/drivers/scsi/isci/unsolicited_frame_control.c
+++ b/drivers/scsi/isci/unsolicited_frame_control.c
@@ -57,9 +57,9 @@
 #include "unsolicited_frame_control.h"
 #include "registers.h"
 
-int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *scic)
+int scic_sds_unsolicited_frame_control_construct(struct isci_host *ihost)
 {
-	struct scic_sds_unsolicited_frame_control *uf_control = &scic->uf_control;
+	struct scic_sds_unsolicited_frame_control *uf_control = &ihost->uf_control;
 	struct scic_sds_unsolicited_frame *uf;
 	u32 buf_len, header_len, i;
 	dma_addr_t dma;
@@ -79,7 +79,7 @@ int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *sci
 	 * memory descriptor entry. The headers and address table will be
 	 * placed after the buffers.
 	 */
-	virt = dmam_alloc_coherent(scic_to_dev(scic), size, &dma, GFP_KERNEL);
+	virt = dmam_alloc_coherent(&ihost->pdev->dev, size, &dma, GFP_KERNEL);
 	if (!virt)
 		return -ENOMEM;
 
diff --git a/drivers/scsi/isci/unsolicited_frame_control.h b/drivers/scsi/isci/unsolicited_frame_control.h
index 2954904f025..c0285a3db56 100644
--- a/drivers/scsi/isci/unsolicited_frame_control.h
+++ b/drivers/scsi/isci/unsolicited_frame_control.h
@@ -214,9 +214,9 @@ struct scic_sds_unsolicited_frame_control {
 
 };
 
-struct scic_sds_controller;
+struct isci_host;
 
-int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *scic);
+int scic_sds_unsolicited_frame_control_construct(struct isci_host *ihost);
 
 enum sci_status scic_sds_unsolicited_frame_control_get_header(
 	struct scic_sds_unsolicited_frame_control *uf_control,