[RFC PATCH pdx86-platform-drivers-x86] platform/x86: thinkpad_acpi: quirk_s2idle_bug can be static

[kernel test robot]

drivers/platform/x86/thinkpad_acpi.c:322:20: warning: symbol 'quirk_s2idle_bug' was not declared. Should it be static?

Fixes: a50dfa903391 ("platform/x86: thinkpad_acpi: Add a s2idle resume quirk for a number of laptops")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 drivers/platform/x86/thinkpad_acpi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index f385450af8647..d5431d3d4246f 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -319,7 +319,7 @@ struct quirk_entry quirk_btusb_bug = {
 	.btusb_bug = true,
 };
 
-struct quirk_entry quirk_s2idle_bug = {
+static struct quirk_entry quirk_s2idle_bug = {
 	.s2idle_bug_mmio = 0xfed80380,
 };