1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 388300de005d..4b252ea0e952 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -44,6 +44,8 @@ struct acpi_pci_data {
         struct pci_dev *dev;
 };
 
+static int acpi_pci_unbind(struct acpi_device *device);
+
 static void acpi_pci_data_handler(acpi_handle handle, u32 function,
                                   void *context)
 {
@@ -267,7 +269,7 @@ int acpi_pci_bind(struct acpi_device *device)
         return result;
 }
 
-int acpi_pci_unbind(struct acpi_device *device)
+static int acpi_pci_unbind(struct acpi_device *device)
 {
         int result = 0;
         acpi_status status = AE_OK;