thinkpad-acpi: make drivers/misc/thinkpad_acpi:fan_mutex static
This patch makes the needlessly global fan_mutex static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index a6c2855..440145a 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -386,7 +386,7 @@
static u8 fan_control_desired_level;
static int fan_watchdog_maxinterval;
-struct mutex fan_mutex;
+static struct mutex fan_mutex;
static acpi_handle fans_handle, gfan_handle, sfan_handle;