PCI: pciehp: remove pci_dev field

Since we have a pointer to pcie_device in struct controller, we don't
need a pointer to pci_dev.

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

@@ -89,7 +89,6 @@ struct event_info {
 
 struct controller {
 	struct mutex ctrl_lock;		/* controller lock */
-	struct pci_dev *pci_dev;
 	struct pcie_device *pcie;	/* PCI Express port service */
 	struct slot *slot;
 	struct hpc_ops *hpc_ops;

drivers/pci/hotplug/pciehp_core.c

@@ -124,10 +124,10 @@ static int init_slot(struct controller *ctrl)
 	snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 
 	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);
+		 pci_domain_nr(ctrl->pcie->port->subordinate),
+		 ctrl->pcie->port->subordinate->number, slot->number);
 	retval = pci_hp_register(hotplug,
-				 ctrl->pci_dev->subordinate, 0, name);
+				 ctrl->pcie->port->subordinate, 0, name);
 	if (retval) {
 		ctrl_err(ctrl,
 			 "pci_hp_register failed with error %d\n", retval);

drivers/pci/hotplug/pciehp_ctrl.c

@@ -208,7 +208,7 @@ static int board_added(struct slot *p_slot)
 {
 	int retval = 0;
 	struct controller *ctrl = p_slot->ctrl;
-	struct pci_bus *parent = ctrl->pci_dev->subordinate;
+	struct pci_bus *parent = ctrl->pcie->port->subordinate;
 
 	if (POWER_CTRL(ctrl)) {
 		/* Power on slot */
@@ -312,8 +312,8 @@ static void pciehp_power_thread(struct work_struct *work)
 		mutex_unlock(&p_slot->lock);
 		ctrl_dbg(p_slot->ctrl,
 			 "Disabling domain:bus:device=%04x:%02x:00\n",
-			 pci_domain_nr(p_slot->ctrl->pci_dev->subordinate),
-			 p_slot->ctrl->pci_dev->subordinate->number);
+			 pci_domain_nr(p_slot->ctrl->pcie->port->subordinate),
+			 p_slot->ctrl->pcie->port->subordinate->number);
 		pciehp_disable_slot(p_slot);
 		mutex_lock(&p_slot->lock);
 		p_slot->state = STATIC_STATE;

drivers/pci/hotplug/pciehp_hpc.c

@@ -44,25 +44,25 @@ static atomic_t pciehp_num_controllers = ATOMIC_INIT(0);
 
 static inline int pciehp_readw(struct controller *ctrl, int reg, u16 *value)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	return pci_read_config_word(dev, ctrl->cap_base + reg, value);
 }
 
 static inline int pciehp_readl(struct controller *ctrl, int reg, u32 *value)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	return pci_read_config_dword(dev, ctrl->cap_base + reg, value);
 }
 
 static inline int pciehp_writew(struct controller *ctrl, int reg, u16 value)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	return pci_write_config_word(dev, ctrl->cap_base + reg, value);
 }
 
 static inline int pciehp_writel(struct controller *ctrl, int reg, u32 value)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	return pci_write_config_dword(dev, ctrl->cap_base + reg, value);
 }
 
@@ -537,7 +537,7 @@ static int hpc_power_on_slot(struct slot * slot)
 
 static inline int pcie_mask_bad_dllp(struct controller *ctrl)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	int pos;
 	u32 reg;
 
@@ -554,7 +554,7 @@ static inline int pcie_mask_bad_dllp(struct controller *ctrl)
 
 static inline void pcie_unmask_bad_dllp(struct controller *ctrl)
 {
-	struct pci_dev *dev = ctrl->pci_dev;
+	struct pci_dev *dev = ctrl->pcie->port;
 	u32 reg;
 	int pos;
 
@@ -946,7 +946,7 @@ static inline void dbg_ctrl(struct controller *ctrl)
 {
 	int i;
 	u16 reg16;
-	struct pci_dev *pdev = ctrl->pci_dev;
+	struct pci_dev *pdev = ctrl->pcie->port;
 
 	if (!pciehp_debug)
 		return;
@@ -1004,7 +1004,6 @@ struct controller *pcie_init(struct pcie_device *dev)
 		goto abort;
 	}
 	ctrl->pcie = dev;
-	ctrl->pci_dev = pdev;
 	ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
 	if (!ctrl->cap_base) {
 		ctrl_err(ctrl, "Cannot find PCI Express capability\n");

drivers/pci/hotplug/pciehp_pci.c

@@ -63,7 +63,7 @@ static int __ref pciehp_add_bridge(struct pci_dev *dev)
 int pciehp_configure_device(struct slot *p_slot)
 {
 	struct pci_dev *dev;
-	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+	struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
 	int num, fn;
 	struct controller *ctrl = p_slot->ctrl;
 
@@ -111,7 +111,7 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	int j;
 	u8 bctl = 0;
 	u8 presence = 0;
-	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+	struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
 	u16 command;
 	struct controller *ctrl = p_slot->ctrl;