isci: kill scic_controller_get_port_handle function

This function is just overkill and its usage is inconsistent. Replace
with inlined code.

Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/scsi/isci/core/scic_controller.h

@@ -120,11 +120,6 @@ enum sci_status scic_controller_complete_io(
 	struct scic_sds_remote_device *remote_device,
 	struct scic_sds_request *io_request);
 
-enum sci_status scic_controller_get_port_handle(
-	struct scic_sds_controller *controller,
-	u8 port_index,
-	struct scic_sds_port **port_handle);
-
 enum sci_status scic_controller_get_phy_handle(
 	struct scic_sds_controller *controller,
 	u8 phy_index,

drivers/scsi/isci/core/scic_sds_controller.c

@@ -2154,36 +2154,6 @@ enum sci_task_status scic_controller_start_task(
 	return status;
 }
 
-/**
- * scic_controller_get_port_handle() - This method simply provides the user
- *    with a unique handle for a given SAS/SATA core port index.
- * @controller: This parameter represents the handle to the controller object
- *    from which to retrieve a port (SAS or SATA) handle.
- * @port_index: This parameter specifies the port index in the controller for
- *    which to retrieve the port handle. 0 <= port_index < maximum number of
- *    phys.
- * @port_handle: This parameter specifies the retrieved port handle to be
- *    provided to the caller.
- *
- * Indicate if the retrieval of the port handle was successful. SCI_SUCCESS
- * This value is returned if the retrieval was successful.
- * SCI_FAILURE_INVALID_PORT This value is returned if the supplied port id is
- * not in the supported range.
- */
-enum sci_status scic_controller_get_port_handle(
-	struct scic_sds_controller *scic,
-	u8 port_index,
-	struct scic_sds_port **port_handle)
-{
-	if (port_index < scic->logical_port_entries) {
-		*port_handle = &scic->port_table[port_index];
-
-		return SCI_SUCCESS;
-	}
-
-	return SCI_FAILURE_INVALID_PORT;
-}
-
 /**
  * scic_controller_get_phy_handle() - This method simply provides the user with
  *    a unique handle for a given SAS/SATA phy index/identifier.

drivers/scsi/isci/core/scic_sds_port_configuration_agent.c

@@ -123,11 +123,10 @@ static s32 sci_sas_address_compare(
  * NULL if there is no matching port for the phy.
  */
 static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
-	struct scic_sds_controller *controller,
+	struct scic_sds_controller *scic,
 	struct scic_sds_phy *phy)
 {
-	u8 port_index;
-	struct scic_sds_port *port_handle;
+	u8 i;
 	struct sci_sas_address port_sas_address;
 	struct sci_sas_address port_attached_device_address;
 	struct sci_sas_address phy_sas_address;
@@ -136,24 +135,20 @@ static struct scic_sds_port *scic_sds_port_configuration_agent_find_port(
 	/*
 	 * Since this phy can be a member of a wide port check to see if one or
 	 * more phys match the sent and received SAS address as this phy in which
-	 * case it should participate in the same port. */
+	 * case it should participate in the same port.
+	 */
 	scic_sds_phy_get_sas_address(phy, &phy_sas_address);
 	scic_sds_phy_get_attached_sas_address(phy, &phy_attached_device_address);
 
-	for (port_index = 0; port_index < SCI_MAX_PORTS; port_index++) {
-		if (scic_controller_get_port_handle(controller, port_index, &port_handle) == SCI_SUCCESS) {
-			struct scic_sds_port *port = (struct scic_sds_port *)port_handle;
+	for (i = 0; i < scic->logical_port_entries; i++) {
+		struct scic_sds_port *port = &scic->port_table[i];
 
-			scic_sds_port_get_sas_address(port, &port_sas_address);
-			scic_sds_port_get_attached_sas_address(port, &port_attached_device_address);
+		scic_sds_port_get_sas_address(port, &port_sas_address);
+		scic_sds_port_get_attached_sas_address(port, &port_attached_device_address);
 
-			if (
-				(sci_sas_address_compare(port_sas_address, phy_sas_address) == 0)
-				&& (sci_sas_address_compare(port_attached_device_address, phy_attached_device_address) == 0)
-				) {
-				return port;
-			}
-		}
+		if ((sci_sas_address_compare(port_sas_address, phy_sas_address) == 0) &&
+		    (sci_sas_address_compare(port_attached_device_address, phy_attached_device_address) == 0))
+			return port;
 	}
 
 	return NULL;
@@ -568,7 +563,6 @@ static void scic_sds_apc_agent_configure_ports(
 	u8 port_index;
 	enum sci_status status;
 	struct scic_sds_port *port;
-	struct scic_sds_port *port_handle;
 	enum SCIC_SDS_APC_ACTIVITY apc_activity = SCIC_SDS_APC_SKIP_PHY;
 
 	port = scic_sds_port_configuration_agent_find_port(controller, phy);
@@ -590,9 +584,8 @@ static void scic_sds_apc_agent_configure_ports(
 			port_index <= port_agent->phy_valid_port_range[phy->phy_index].max_index;
 			port_index++
 			) {
-			scic_controller_get_port_handle(controller, port_index, &port_handle);
 
-			port = (struct scic_sds_port *)port_handle;
+			port = &controller->port_table[port_index];
 
 			/* First we must make sure that this PHY can be added to this Port. */
 			if (scic_sds_port_is_valid_phy_assignment(port, phy->phy_index)) {

drivers/scsi/isci/port.c

@@ -76,31 +76,20 @@ static void isci_port_change_state(
 
 
 
-/**
- * isci_port_init() - This function initializes the given isci_port object.
- * @isci_port: This parameter specifies the port object to be initialized.
- * @isci_host: This parameter specifies parent controller object for the port.
- * @index: This parameter specifies which SCU port the isci_port associates
- *    with. Generally, SCU port 0 relates to isci_port 0, etc.
- *
- */
-void isci_port_init(
-	struct isci_port *isci_port,
-	struct isci_host *isci_host,
-	int index)
+void isci_port_init(struct isci_port *iport, struct isci_host *ihost, int index)
 {
-	struct scic_sds_port *scic_port;
-
-	INIT_LIST_HEAD(&isci_port->remote_dev_list);
-	INIT_LIST_HEAD(&isci_port->domain_dev_list);
-	spin_lock_init(&isci_port->state_lock);
-	init_completion(&isci_port->start_complete);
-	isci_port->isci_host = isci_host;
-	isci_port_change_state(isci_port, isci_freed);
-
-	(void)scic_controller_get_port_handle(&isci_host->sci, index, &scic_port);
-	isci_port->sci_port_handle = scic_port;
-	scic_port->iport = isci_port;
+	struct scic_sds_port *sci_port;
+
+	INIT_LIST_HEAD(&iport->remote_dev_list);
+	INIT_LIST_HEAD(&iport->domain_dev_list);
+	spin_lock_init(&iport->state_lock);
+	init_completion(&iport->start_complete);
+	iport->isci_host = ihost;
+	isci_port_change_state(iport, isci_freed);
+
+	sci_port = &ihost->sci.port_table[index];
+	iport->sci_port_handle = sci_port;
+	sci_port->iport = iport;
 }