PCI PM: Move pci_restore_standard_config to pci-driver.c

Move pci_restore_standard_config() from pci.c to pci-driver.c and
make it static.
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
Acked-by: NIngo Molnar <mingo@elte.hu>
Acked-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/pci-driver.c

@@ -423,6 +423,23 @@ static int pci_legacy_resume(struct device *dev)
 
 /* Auxiliary functions used by the new power management framework */
 
+/**
+ * pci_restore_standard_config - restore standard config registers of PCI device
+ * @pci_dev: PCI device to handle
+ */
+static int pci_restore_standard_config(struct pci_dev *pci_dev)
+{
+	pci_update_current_state(pci_dev, PCI_UNKNOWN);
+
+	if (pci_dev->current_state != PCI_D0) {
+		int error = pci_set_power_state(pci_dev, PCI_D0);
+		if (error)
+			return error;
+	}
+
+	return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0;
+}
+
 static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev)
 {
 	pci_restore_standard_config(pci_dev);

drivers/pci/pci.c

@@ -1373,27 +1373,6 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev)
 			"unable to preallocate PCI-X save buffer\n");
 }
 
-/**
- * pci_restore_standard_config - restore standard config registers of PCI device
- * @dev: PCI device to handle
- *
- * This function assumes that the device's configuration space is accessible.
- * If the device needs to be powered up, the function will wait for it to
- * change the state.
- */
-int pci_restore_standard_config(struct pci_dev *dev)
-{
-	pci_update_current_state(dev, PCI_UNKNOWN);
-
-	if (dev->current_state != PCI_D0) {
-		int error = pci_set_power_state(dev, PCI_D0);
-		if (error)
-			return error;
-	}
-
-	return dev->state_saved ? pci_restore_state(dev) : 0;
-}
-
 /**
  * pci_enable_ari - enable ARI forwarding if hardware support it
  * @dev: the PCI device

drivers/pci/pci.h

@@ -49,7 +49,6 @@ extern void pci_disable_enabled_device(struct pci_dev *dev);
 extern void pci_pm_init(struct pci_dev *dev);
 extern void platform_pci_wakeup_init(struct pci_dev *dev);
 extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
-extern int pci_restore_standard_config(struct pci_dev *dev);
 
 static inline bool pci_is_bridge(struct pci_dev *pci_dev)
 {