[RFC PATCH] ACPI: scan: __acpi_device_add() can be static

[kernel test robot]

drivers/acpi/scan.c:660:5: warning: symbol '__acpi_device_add' was not declared. Should it be static?

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 scan.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index be8b149244220..f30ab5a55a9a4 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -657,8 +657,8 @@ static int acpi_tie_acpi_dev(struct acpi_device *adev)
 	return 0;
 }
 
-int __acpi_device_add(struct acpi_device *device,
-		      void (*release)(struct device *))
+static int __acpi_device_add(struct acpi_device *device,
+			     void (*release)(struct device *))
 {
 	struct acpi_device_bus_id *acpi_device_bus_id;
 	int result;