PCI: pciehp: remove slot_device_offset field

Since the device number of the hot-slot under the PCIe downstream port
is always 0, the slot_device_offset field in the slot is meaningless
and we don't need it.

Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/hotplug/pciehp.h

@@ -95,7 +95,6 @@ struct controller {
 	struct slot *slot;
 	struct hpc_ops *hpc_ops;
 	wait_queue_head_t queue;	/* sleep & wake process */
-	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 */
 	u32 slot_cap;

drivers/pci/hotplug/pciehp_core.c

@@ -123,11 +123,9 @@ static int init_slot(struct controller *ctrl)
 	slot->hotplug_slot = hotplug;
 	snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 
-	ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:00 "
-		 "sun=%x slot_device_offset=%x\n",
+	ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:00 sun=%x\n",
 		 pci_domain_nr(ctrl->pci_dev->subordinate),
-		 ctrl->pci_dev->subordinate->number,
-		 slot->number, ctrl->slot_device_offset);
+		 ctrl->pci_dev->subordinate->number, slot->number);
 	retval = pci_hp_register(hotplug,
 				 ctrl->pci_dev->subordinate, 0, name);
 	if (retval) {

drivers/pci/hotplug/pciehp_ctrl.c

@@ -210,9 +210,6 @@ static int board_added(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 	struct pci_bus *parent = ctrl->pci_dev->subordinate;
 
-	ctrl_dbg(ctrl, "%s: slot device, slot offset = 0, %d\n",
-		 __func__, ctrl->slot_device_offset);
-
 	if (POWER_CTRL(ctrl)) {
 		/* Power on slot */
 		retval = p_slot->hpc_ops->power_on_slot(p_slot);

drivers/pci/hotplug/pciehp_hpc.c

@@ -1017,7 +1017,6 @@ struct controller *pcie_init(struct pcie_device *dev)
 
 	ctrl->slot_cap = slot_cap;
 	ctrl->first_slot = slot_cap >> 19;
-	ctrl->slot_device_offset = 0;
 	ctrl->hpc_ops = &pciehp_hpc_ops;
 	mutex_init(&ctrl->crit_sect);
 	mutex_init(&ctrl->ctrl_lock);