};
 
 struct controller {
-       struct list_head ctrl_list;
        struct mutex crit_sect;         /* critical section mutex */
        struct mutex cmd_lock;          /* command lock */
        struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
 extern void    cleanup_slots(struct controller *ctrl);
 extern void    queue_pushbutton_work(void *data);
 
-/* Global variables */
-extern struct list_head shpchp_ctrl_list;
-
 struct ctrl_reg {
        volatile u32 base_offset;
        volatile u32 slot_avail1;
 
 int shpchp_debug;
 int shpchp_poll_mode;
 int shpchp_poll_time;
-LIST_HEAD(shpchp_ctrl_list);
 struct workqueue_struct *shpchp_wq;
 
 #define DRIVER_VERSION "0.4"
                ctrl->speed = PCI_SPEED_33MHz;
        }
 
-       list_add(&ctrl->ctrl_list, &shpchp_ctrl_list);
-
        shpchp_create_ctrl_files(ctrl);
 
        return 0;
        return -ENODEV;
 }
 
-static void __exit unload_shpchpd(void)
+static void shpc_remove(struct pci_dev *dev)
 {
-       struct list_head *tmp;
-       struct list_head *next;
-       struct controller *ctrl;
-
-       list_for_each_safe(tmp, next, &shpchp_ctrl_list) {
-               ctrl = list_entry(tmp, struct controller, ctrl_list);
-               shpchp_remove_ctrl_files(ctrl);
-               ctrl->hpc_ops->release_ctlr(ctrl);
-               kfree(ctrl);
-       }
+       struct controller *ctrl = pci_get_drvdata(dev);
 
-       destroy_workqueue(shpchp_wq);
+       shpchp_remove_ctrl_files(ctrl);
+       ctrl->hpc_ops->release_ctlr(ctrl);
+       kfree(ctrl);
 }
 
 static struct pci_device_id shpcd_pci_tbl[] = {
        .name =         SHPC_MODULE_NAME,
        .id_table =     shpcd_pci_tbl,
        .probe =        shpc_probe,
-       /* remove:      shpc_remove_one, */
+       .remove =       shpc_remove,
 };
 
 static int __init shpcd_init(void)
 static void __exit shpcd_cleanup(void)
 {
        dbg("unload_shpchpd()\n");
-       unload_shpchpd();
-
        pci_unregister_driver(&shpc_driver);
-
+       destroy_workqueue(shpchp_wq);
        info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }