PCI/PM: Set current_state to D3cold if the device is not accessible

Make pci_power_up() and pci_set_low_power_state() change current_state
to PCI_D3cold when the device is not accessible along the lines of
pci_update_current_state().

Link: https://lore.kernel.org/r/10104376.nUPlyArG6x@kreacherSigned-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.c

@@ -1207,6 +1207,7 @@ int pci_power_up(struct pci_dev *dev)
 	if (PCI_POSSIBLE_ERROR(pmcsr)) {
 		pci_err(dev, "Unable to change power state from %s to D0, device inaccessible\n",
 			pci_power_name(dev->current_state));
+		dev->current_state = PCI_D3cold;
 		return -EIO;
 	}
 
@@ -1335,6 +1336,7 @@ static int pci_set_low_power_state(struct pci_dev *dev, pci_power_t state)
 		pci_err(dev, "Unable to change power state from %s to %s, device inaccessible\n",
 			pci_power_name(dev->current_state),
 			pci_power_name(state));
+		dev->current_state = PCI_D3cold;
 		return -EIO;
 	}