EDAC: Make edac_device workqueue setup/teardown functions static

They're not used anywhere else.
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/edac_device.c

@@ -402,7 +402,7 @@ static void edac_device_workq_function(struct work_struct *work_req)
  *	initialize a workq item for this edac_device instance
  *	passing in the new delay period in msec
  */
-void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
+static void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
 				    unsigned msec)
 {
 	edac_dbg(0, "\n");
@@ -433,7 +433,7 @@ void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
  * edac_device_workq_teardown
  *	stop the workq processing on this edac_dev
  */
-void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
+static void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
 {
 	if (!edac_dev->edac_check)
 		return;

drivers/edac/edac_module.h

@@ -48,9 +48,6 @@ extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
 
 /* edac core workqueue: single CPU mode */
 extern struct workqueue_struct *edac_workqueue;
-extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
-				    unsigned msec);
-extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
 					   *edac_dev, unsigned long value);
 extern void edac_mc_reset_delay_period(unsigned long value);