PCI: pciehp: remove number field

Since slot_cap field in struct controller contains physical slot
number informationq, we don't need number field in struct slot.
Acked-by: NAlex Chiang <achiang@hp.com>
Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/hotplug/pciehp.h

@@ -73,7 +73,6 @@ do {									\
 #define SLOT_NAME_SIZE 10
 struct slot {
 	u8 state;
-	u32 number;
 	struct controller *ctrl;
 	struct hotplug_slot *hotplug_slot;
 	struct delayed_work work;	/* work for button event */

drivers/pci/hotplug/pciehp_core.c

@@ -121,11 +121,11 @@ static int init_slot(struct controller *ctrl)
 	hotplug->release = &release_slot;
 	hotplug->ops = &pciehp_hotplug_slot_ops;
 	slot->hotplug_slot = hotplug;
-	snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
+	snprintf(name, SLOT_NAME_SIZE, "%u", PSN(ctrl));
 
 	ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:00 sun=%x\n",
 		 pci_domain_nr(ctrl->pcie->port->subordinate),
-		 ctrl->pcie->port->subordinate->number, slot->number);
+		 ctrl->pcie->port->subordinate->number, PSN(ctrl));
 	retval = pci_hp_register(hotplug,
 				 ctrl->pcie->port->subordinate, 0, name);
 	if (retval) {

drivers/pci/hotplug/pciehp_hpc.c

@@ -901,7 +901,6 @@ static int pcie_init_slot(struct controller *ctrl)
 		return -ENOMEM;
 
 	slot->ctrl = ctrl;
-	slot->number = PSN(ctrl);
 	mutex_init(&slot->lock);
 	INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
 	ctrl->slot = slot;