xref: /OK3568_Linux_fs/kernel/drivers/edac/wq.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun #include "edac_module.h"
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun static struct workqueue_struct *wq;
5*4882a593Smuzhiyun 
edac_queue_work(struct delayed_work * work,unsigned long delay)6*4882a593Smuzhiyun bool edac_queue_work(struct delayed_work *work, unsigned long delay)
7*4882a593Smuzhiyun {
8*4882a593Smuzhiyun 	return queue_delayed_work(wq, work, delay);
9*4882a593Smuzhiyun }
10*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(edac_queue_work);
11*4882a593Smuzhiyun 
edac_mod_work(struct delayed_work * work,unsigned long delay)12*4882a593Smuzhiyun bool edac_mod_work(struct delayed_work *work, unsigned long delay)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	return mod_delayed_work(wq, work, delay);
15*4882a593Smuzhiyun }
16*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(edac_mod_work);
17*4882a593Smuzhiyun 
edac_stop_work(struct delayed_work * work)18*4882a593Smuzhiyun bool edac_stop_work(struct delayed_work *work)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	bool ret;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	ret = cancel_delayed_work_sync(work);
23*4882a593Smuzhiyun 	flush_workqueue(wq);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	return ret;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(edac_stop_work);
28*4882a593Smuzhiyun 
edac_workqueue_setup(void)29*4882a593Smuzhiyun int edac_workqueue_setup(void)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun 	wq = alloc_ordered_workqueue("edac-poller", WQ_MEM_RECLAIM);
32*4882a593Smuzhiyun 	if (!wq)
33*4882a593Smuzhiyun 		return -ENODEV;
34*4882a593Smuzhiyun 	else
35*4882a593Smuzhiyun 		return 0;
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun 
edac_workqueue_teardown(void)38*4882a593Smuzhiyun void edac_workqueue_teardown(void)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun 	flush_workqueue(wq);
41*4882a593Smuzhiyun 	destroy_workqueue(wq);
42*4882a593Smuzhiyun 	wq = NULL;
43*4882a593Smuzhiyun }
44