isci: Removed sci_base_object from scic_sds_port.

The 'struct sci_base_object' was removed from the struct
scic_sds_port and was replaced by a pointer to
struct isci_port.

Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

4 files changed, 29 insertions, 44 deletions

diff --git a/drivers/scsi/isci/core/scic_sds_port.c b/drivers/scsi/isci/core/scic_sds_port.c
index d6339c41c392..3697211e7ca9 100644
--- a/drivers/scsi/isci/core/scic_sds_port.c
+++ b/drivers/scsi/isci/core/scic_sds_port.c
@@ -678,7 +678,7 @@ void scic_sds_port_deactivate_phy(struct scic_sds_port *sci_port,
                                   bool do_notify_user)
 {
         struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port);
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct isci_port *iport = sci_port->iport;
         struct isci_host *ihost = scic->ihost;
         struct isci_phy *iphy = sci_phy->iphy;
 
@@ -1632,7 +1632,7 @@ scic_sds_port_resume_port_task_scheduler(struct scic_sds_port *port)
  */
 static void scic_sds_port_ready_substate_waiting_enter(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         scic_sds_port_set_ready_state_handlers(
                 sci_port, SCIC_SDS_PORT_READY_SUBSTATE_WAITING
@@ -1663,11 +1663,11 @@ static void scic_sds_port_ready_substate_waiting_enter(void *object)
 static void scic_sds_port_ready_substate_operational_enter(void *object)
 {
         u32 index;
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
         struct scic_sds_controller *scic =
                 scic_sds_port_get_controller(sci_port);
         struct isci_host *ihost = scic->ihost;
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct isci_port *iport = sci_port->iport;
 
         scic_sds_port_set_ready_state_handlers(
                         sci_port,
@@ -1704,11 +1704,11 @@ static void scic_sds_port_ready_substate_operational_enter(void *object)
  */
 static void scic_sds_port_ready_substate_operational_exit(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
         struct scic_sds_controller *scic =
                 scic_sds_port_get_controller(sci_port);
         struct isci_host *ihost = scic->ihost;
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct isci_port *iport = sci_port->iport;
 
         /*
          * Kill the dummy task for this port if it has not yet posted
@@ -1735,11 +1735,11 @@ static void scic_sds_port_ready_substate_operational_exit(void *object)
  */
 static void scic_sds_port_ready_substate_configuring_enter(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
         struct scic_sds_controller *scic =
                 scic_sds_port_get_controller(sci_port);
         struct isci_host *ihost = scic->ihost;
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct isci_port *iport = sci_port->iport;
 
         scic_sds_port_set_ready_state_handlers(
                         sci_port,
@@ -1759,7 +1759,7 @@ static void scic_sds_port_ready_substate_configuring_enter(void *object)
 
 static void scic_sds_port_ready_substate_configuring_exit(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         scic_sds_port_suspend_port_task_scheduler(sci_port);
 }
@@ -2255,9 +2255,7 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct scic_sds_port *sci
  */
 static void scic_sds_port_stopped_state_enter(void *object)
 {
-        struct scic_sds_port *sci_port;
-
-        sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         scic_sds_port_set_base_state_handlers(
                 sci_port, SCI_BASE_PORT_STATE_STOPPED
@@ -2285,9 +2283,7 @@ static void scic_sds_port_stopped_state_enter(void *object)
  */
 static void scic_sds_port_stopped_state_exit(void *object)
 {
-        struct scic_sds_port *sci_port;
-
-        sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         /* Enable and suspend the port task scheduler */
         scic_sds_port_enable_port_task_scheduler(sci_port);
@@ -2305,15 +2301,14 @@ static void scic_sds_port_stopped_state_exit(void *object)
 static void scic_sds_port_ready_state_enter(void *object)
 {
         struct scic_sds_controller *scic;
-        struct scic_sds_port *sci_port;
+        struct scic_sds_port *sci_port = object;
         struct isci_port *iport;
         struct isci_host *ihost;
         u32 prev_state;
 
-        sci_port = container_of(object, typeof(*sci_port), parent);
         scic = scic_sds_port_get_controller(sci_port);
         ihost = scic->ihost;
-        iport = sci_object_get_association(sci_port);
+        iport = sci_port->iport;
 
         /* Put the ready state handlers in place though they will not be there long */
         scic_sds_port_set_base_state_handlers(sci_port, SCI_BASE_PORT_STATE_READY);
@@ -2333,9 +2328,8 @@ static void scic_sds_port_ready_state_enter(void *object)
 
 static void scic_sds_port_ready_state_exit(void *object)
 {
-        struct scic_sds_port *sci_port;
+        struct scic_sds_port *sci_port = object;
 
-        sci_port = container_of(object, typeof(*sci_port), parent);
         sci_base_state_machine_stop(&sci_port->ready_substate_machine);
         scic_sds_port_invalidate_dummy_remote_node(sci_port);
 }
@@ -2350,9 +2344,7 @@ static void scic_sds_port_ready_state_exit(void *object)
  */
 static void scic_sds_port_resetting_state_enter(void *object)
 {
-        struct scic_sds_port *sci_port;
-
-        sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         scic_sds_port_set_base_state_handlers(
                 sci_port, SCI_BASE_PORT_STATE_RESETTING
@@ -2369,7 +2361,7 @@ static void scic_sds_port_resetting_state_enter(void *object)
  */
 static inline void scic_sds_port_resetting_state_exit(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         isci_timer_stop(sci_port->timer_handle);
 }
@@ -2385,9 +2377,7 @@ static inline void scic_sds_port_resetting_state_exit(void *object)
  */
 static void scic_sds_port_stopping_state_enter(void *object)
 {
-        struct scic_sds_port *sci_port;
-
-        sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         scic_sds_port_set_base_state_handlers(
                 sci_port, SCI_BASE_PORT_STATE_STOPPING
@@ -2405,7 +2395,7 @@ static void scic_sds_port_stopping_state_enter(void *object)
 static inline void
 scic_sds_port_stopping_state_exit(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
+        struct scic_sds_port *sci_port = object;
 
         isci_timer_stop(sci_port->timer_handle);
 
@@ -2423,8 +2413,8 @@ scic_sds_port_stopping_state_exit(void *object)
  */
 static void scic_sds_port_failed_state_enter(void *object)
 {
-        struct scic_sds_port *sci_port = (struct scic_sds_port *)object;
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct scic_sds_port *sci_port = object;
+        struct isci_port *iport = sci_port->iport;
 
         scic_sds_port_set_base_state_handlers(sci_port,
                                               SCI_BASE_PORT_STATE_FAILED);
@@ -2461,16 +2451,15 @@ void scic_sds_port_construct(struct scic_sds_port *sci_port, u8 port_index,
 {
         u32 index;
 
-        sci_port->parent.private = NULL;
         sci_base_state_machine_construct(&sci_port->state_machine,
-                                         &sci_port->parent,
+                                         sci_port,
                                          scic_sds_port_state_table,
                                          SCI_BASE_PORT_STATE_STOPPED);
 
         sci_base_state_machine_start(&sci_port->state_machine);
 
         sci_base_state_machine_construct(&sci_port->ready_substate_machine,
-                                         &sci_port->parent,
+                                         sci_port,
                                          scic_sds_port_ready_substate_table,
                                          SCIC_SDS_PORT_READY_SUBSTATE_WAITING);
 
diff --git a/drivers/scsi/isci/core/scic_sds_port.h b/drivers/scsi/isci/core/scic_sds_port.h
index 59c76cd3902f..2253a2ced969 100644
--- a/drivers/scsi/isci/core/scic_sds_port.h
+++ b/drivers/scsi/isci/core/scic_sds_port.h
@@ -151,17 +151,17 @@ enum scic_sds_port_states {
 
 };
 
+struct isci_port;
 /**
- * struct scic_sds_port -
+ * struct scic_sds_port
  *
  * The core port object provides the the abstraction for an SCU port.
  */
 struct scic_sds_port {
         /**
-         * The field specifies that the parent object for the base controller
-         * is the base object itself.
+         * The field specifies the peer object for the port.
          */
-        struct sci_base_object parent;
+        struct isci_port *iport;
 
         /**
          * This field contains the information for the base port state machine.
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c
index d600b09192e7..30d6ad895ccf 100644
--- a/drivers/scsi/isci/port.c
+++ b/drivers/scsi/isci/port.c
@@ -100,8 +100,8 @@ void isci_port_init(
         isci_port_change_state(isci_port, isci_freed);
 
         (void)scic_controller_get_port_handle(controller, index, &scic_port);
-        sci_object_set_association(scic_port, isci_port);
         isci_port->sci_port_handle = scic_port;
+        scic_port->iport = isci_port;
 }
 
 
@@ -169,9 +169,8 @@ void isci_port_link_up(
 {
         unsigned long flags;
         struct scic_port_properties properties;
-        struct isci_port *isci_port
-                = (struct isci_port *)sci_object_get_association(port);
         struct isci_phy *isci_phy = phy->iphy;
+        struct isci_port *isci_port = port->iport;
         enum sci_status call_status;
         unsigned long success = true;
 
diff --git a/drivers/scsi/isci/sci_environment.h b/drivers/scsi/isci/sci_environment.h
index 744016dffecb..3fb54ddaee1a 100644
--- a/drivers/scsi/isci/sci_environment.h
+++ b/drivers/scsi/isci/sci_environment.h
@@ -59,9 +59,6 @@
 #include "isci.h"
 #include "core/scic_sds_controller.h"
 
-struct scic_sds_controller;
-struct scic_sds_phy;
-struct scic_sds_port;
 struct scic_sds_remote_device;
 
 static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
@@ -83,7 +80,7 @@ static inline struct device *sciphy_to_dev(struct scic_sds_phy *sci_phy)
 
 static inline struct device *sciport_to_dev(struct scic_sds_port *sci_port)
 {
-        struct isci_port *iport = sci_object_get_association(sci_port);
+        struct isci_port *iport = sci_port->iport;
 
         if (!iport || !iport->isci_host)
                 return NULL;