make pciehp_acpi_get_hp_hw_control_from_firmware()

this_patch_makes_the_needlessly_global_pciehp_acpi_get_hp_hw_control_from_firmware_static

;)
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/hotplug/pciehp_hpc.c

@@ -954,7 +954,7 @@ static struct hpc_ops pciehp_hpc_ops = {
 };
 
 #ifdef CONFIG_ACPI
-int pciehp_acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev)
+static int pciehp_acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev)
 {
 	acpi_status status;
 	acpi_handle chandle, handle = DEVICE_ACPI_HANDLE(&(dev->dev));