PCI: pciehp: remove bus field

The bus field in struct slot is not necessary.
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

@@ -72,7 +72,6 @@ do {									\
 
 #define SLOT_NAME_SIZE 10
 struct slot {
-	u8 bus;
 	u8 device;
 	u8 state;
 	u8 hp_slot;

drivers/pci/hotplug/pciehp_core.c

@@ -126,7 +126,8 @@ static int init_slot(struct controller *ctrl)
 	ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
 		 "hp_slot=%x sun=%x slot_device_offset=%x\n",
 		 pci_domain_nr(ctrl->pci_dev->subordinate),
-		 slot->bus, slot->device, slot->hp_slot, slot->number,
+		 ctrl->pci_dev->subordinate->number,
+		 slot->device, slot->hp_slot, slot->number,
 		 ctrl->slot_device_offset);
 	retval = pci_hp_register(hotplug,
 				 ctrl->pci_dev->subordinate,

drivers/pci/hotplug/pciehp_ctrl.c

@@ -242,7 +242,8 @@ static int board_added(struct slot *p_slot)
 	retval = pciehp_configure_device(p_slot);
 	if (retval) {
 		ctrl_err(ctrl, "Cannot add device at %04x:%02x:%02x\n",
-			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
+			 pci_domain_nr(parent), parent->number,
+			 p_slot->device);
 		goto err_exit;
 	}
 
@@ -319,7 +320,8 @@ static void pciehp_power_thread(struct work_struct *work)
 		ctrl_dbg(p_slot->ctrl,
 			 "Disabling domain:bus:device=%04x:%02x:%02x\n",
 			 pci_domain_nr(p_slot->ctrl->pci_dev->subordinate),
-			 p_slot->bus, p_slot->device);
+			 p_slot->ctrl->pci_dev->subordinate->number,
+			 p_slot->device);
 		pciehp_disable_slot(p_slot);
 		mutex_lock(&p_slot->lock);
 		p_slot->state = STATIC_STATE;

drivers/pci/hotplug/pciehp_hpc.c

@@ -930,7 +930,6 @@ static int pcie_init_slot(struct controller *ctrl)
 
 	slot->hp_slot = 0;
 	slot->ctrl = ctrl;
-	slot->bus = ctrl->pci_dev->subordinate->number;
 	slot->device = ctrl->slot_device_offset + slot->hp_slot;
 	slot->hpc_ops = ctrl->hpc_ops;
 	slot->number = ctrl->first_slot;

drivers/pci/hotplug/pciehp_pci.c

@@ -71,7 +71,8 @@ int pciehp_configure_device(struct slot *p_slot)
 	if (dev) {
 		ctrl_err(ctrl, "Device %s already exists "
 			 "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
-			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
+			 pci_domain_nr(parent), parent->number,
+			 p_slot->device);
 		pci_dev_put(dev);
 		return -EINVAL;
 	}
@@ -116,7 +117,8 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 
 	ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
-		 __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
+		 __func__, pci_domain_nr(parent), parent->number,
+		 p_slot->device);
 	ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
 	if (ret)
 		presence = 0;