1 // SPDX-License-Identifier: GPL-2.0-only
2 #include "edac_module.h"
3 
4 static struct workqueue_struct *wq;
5 
edac_queue_work(struct delayed_work * work,unsigned long delay)6 bool edac_queue_work(struct delayed_work *work, unsigned long delay)
7 {
8 	return queue_delayed_work(wq, work, delay);
9 }
10 EXPORT_SYMBOL_GPL(edac_queue_work);
11 
edac_mod_work(struct delayed_work * work,unsigned long delay)12 bool edac_mod_work(struct delayed_work *work, unsigned long delay)
13 {
14 	return mod_delayed_work(wq, work, delay);
15 }
16 EXPORT_SYMBOL_GPL(edac_mod_work);
17 
edac_stop_work(struct delayed_work * work)18 bool edac_stop_work(struct delayed_work *work)
19 {
20 	bool ret;
21 
22 	ret = cancel_delayed_work_sync(work);
23 	flush_workqueue(wq);
24 
25 	return ret;
26 }
27 EXPORT_SYMBOL_GPL(edac_stop_work);
28 
edac_workqueue_setup(void)29 int edac_workqueue_setup(void)
30 {
31 	wq = alloc_ordered_workqueue("edac-poller", WQ_MEM_RECLAIM);
32 	if (!wq)
33 		return -ENODEV;
34 	else
35 		return 0;
36 }
37 
edac_workqueue_teardown(void)38 void edac_workqueue_teardown(void)
39 {
40 	flush_workqueue(wq);
41 	destroy_workqueue(wq);
42 	wq = NULL;
43 }
44