scsi: smartpqi: add in controller checkpoint for controller lockups.

tell smartpqi controller to generate a checkpoint for rare lockup
conditions.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/smartpqi/smartpqi_init.c

@@ -2697,6 +2697,7 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info)
 
 	ctrl_info->controller_online = false;
 	dev_err(&ctrl_info->pci_dev->dev, "controller offline\n");
+	sis_shutdown_ctrl(ctrl_info);
 
 	for (i = 0; i < ctrl_info->num_queue_groups; i++) {
 		queue_group = &ctrl_info->queue_groups[i];