isci: unify remote_device reset_complete_handlers

Implement all states in scic_remote_device_reset_complete() and delete the
state handler.

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

1 files changed, 12 insertions, 37 deletions

diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c
index d8968f32ad9a..658781dd65e6 100644
--- a/drivers/scsi/isci/remote_device.c
+++ b/drivers/scsi/isci/remote_device.c
@@ -246,15 +246,20 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev)
         }
 }
 
-
-enum sci_status scic_remote_device_reset_complete(
-        struct scic_sds_remote_device *sci_dev)
+enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device *sci_dev)
 {
-        return sci_dev->state_handlers->reset_complete_handler(sci_dev);
-}
+        struct sci_base_state_machine *sm = &sci_dev->state_machine;
+        enum scic_sds_remote_device_states state = sm->current_state_id;
+
+        if (state != SCI_BASE_REMOTE_DEVICE_STATE_RESETTING) {
+                dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n",
+                         __func__, state);
+                return SCI_FAILURE_INVALID_STATE;
+        }
 
-#define SCIC_SDS_REMOTE_DEVICE_MINIMUM_TIMER_COUNT (0)
-#define SCIC_SDS_REMOTE_DEVICE_MAXIMUM_TIMER_COUNT (SCI_MAX_REMOTE_DEVICES)
+        sci_base_state_machine_change_state(sm, SCI_BASE_REMOTE_DEVICE_STATE_READY);
+        return SCI_SUCCESS;
+}
 
 /**
  *
@@ -457,12 +462,6 @@ default_device_handler(struct scic_sds_remote_device *sci_dev,
         return SCI_FAILURE_INVALID_STATE;
 }
 
-static enum sci_status scic_sds_remote_device_default_reset_complete_handler(
-        struct scic_sds_remote_device *sci_dev)
-{
-        return default_device_handler(sci_dev, __func__);
-}
-
 static enum sci_status scic_sds_remote_device_default_suspend_handler(
         struct scic_sds_remote_device *sci_dev, u32 suspend_type)
 {
@@ -795,15 +794,6 @@ static enum sci_status scic_sds_remote_device_stopping_state_complete_request_ha
         return SCI_SUCCESS;
 }
 
-static enum sci_status scic_sds_remote_device_resetting_state_reset_complete_handler(
-        struct scic_sds_remote_device *sci_dev)
-{
-        sci_base_state_machine_change_state(&sci_dev->state_machine,
-                                            SCI_BASE_REMOTE_DEVICE_STATE_READY);
-
-        return SCI_SUCCESS;
-}
-
 /* complete requests for this device while it is in the
  * SCI_BASE_REMOTE_DEVICE_STATE_RESETTING state. This method calls the complete
  * method for the request object and if that is successful the port object is
@@ -1223,7 +1213,6 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl
 
 static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = {
         [SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1235,7 +1224,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_default_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1247,7 +1235,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_default_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1259,7 +1246,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_default_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_READY] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_ready_state_start_io_handler,
                 .complete_io_handler    = scic_sds_remote_device_ready_state_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1271,7 +1257,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_general_frame_handler,
         },
         [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1283,7 +1268,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler                  = scic_sds_remote_device_default_frame_handler
         },
         [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_stp_remote_device_complete_request,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1295,7 +1279,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler                  = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler
         },
         [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_stp_remote_device_complete_request,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1307,7 +1290,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler                  = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler
         },
         [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_stp_remote_device_complete_request,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1319,7 +1301,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler                  = scic_sds_remote_device_general_frame_handler
         },
         [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1331,7 +1312,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler                  = scic_sds_remote_device_general_frame_handler
         },
         [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1343,7 +1323,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_default_frame_handler
         },
         [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler,
                 .complete_io_handler    = scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1355,7 +1334,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_stopping_state_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1367,7 +1345,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_general_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1379,7 +1356,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_general_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = {
-                .reset_complete_handler = scic_sds_remote_device_resetting_state_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_resetting_state_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,
@@ -1391,7 +1367,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_
                 .frame_handler          = scic_sds_remote_device_general_frame_handler
         },
         [SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = {
-                .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler,
                 .start_io_handler       = scic_sds_remote_device_default_start_request_handler,
                 .complete_io_handler    = scic_sds_remote_device_default_complete_request_handler,
                 .continue_io_handler    = scic_sds_remote_device_default_continue_request_handler,