PCI Hotplug: pciehp: remove needless members from struct controller

Remove needless members from struct controller. This has no functional
changes.
Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/pci/hotplug/pciehp.h

@@ -82,24 +82,18 @@ struct event_info {
 };
 
 struct controller {
-	struct controller *next;
 	struct mutex crit_sect;		/* critical section mutex */
 	struct mutex ctrl_lock;		/* controller lock */
 	int num_slots;			/* Number of slots on ctlr */
 	int slot_num_inc;		/* 1 or -1 */
 	struct pci_dev *pci_dev;
 	struct list_head slot_list;
-	struct slot *slot;
 	struct hpc_ops *hpc_ops;
 	wait_queue_head_t queue;	/* sleep & wake process */
-	u8 bus;
-	u8 device;
-	u8 function;
 	u8 slot_device_offset;
 	u32 first_slot;		/* First physical slot number */  /* PCIE only has 1 slot */
 	u8 slot_bus;		/* Bus where the slots handled by this controller sit */
 	u8 ctrlcap;
-	u16 vendor_id;
 	u8 cap_base;
 	struct timer_list poll_timer;
 	volatile int cmd_busy;

drivers/pci/hotplug/pciehp_core.c

@@ -453,13 +453,9 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 
 	pci_set_drvdata(pdev, ctrl);
 
-	ctrl->bus = pdev->bus->number;  /* ctrl bus */
-	ctrl->slot_bus = pdev->subordinate->number;  /* bus controlled by this HPC */
-
-	ctrl->device = PCI_SLOT(pdev->devfn);
-	ctrl->function = PCI_FUNC(pdev->devfn);
-	dbg("%s: ctrl bus=0x%x, device=%x, function=%x, irq=%x\n", __FUNCTION__,
-		ctrl->bus, ctrl->device, ctrl->function, pdev->irq);
+	dbg("%s: ctrl bus=0x%x, device=%x, function=%x, irq=%x\n",
+	    __FUNCTION__, pdev->bus->number, PCI_SLOT(pdev->devfn),
+	    PCI_FUNC(pdev->devfn), pdev->irq);
 
 	/* Setup the slot information structures */
 	rc = init_slots(ctrl);