mac80211: allow driver to impose WoWLAN restrictions
If the driver can't support WoWLAN in the current
state, this patch allows it to return 1 from the
suspend callback to do the normal deconfiguration
instead of using suspend/resume calls. Note that
if it does this, resume won't be called.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 67839eb..f87e993 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -72,15 +72,19 @@
local->wowlan = wowlan && local->open_count;
if (local->wowlan) {
int err = drv_suspend(local, wowlan);
- if (err) {
+ if (err < 0) {
local->quiescing = false;
return err;
+ } else if (err > 0) {
+ WARN_ON(err != 1);
+ local->wowlan = false;
+ } else {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ cancel_work_sync(&sdata->work);
+ ieee80211_quiesce(sdata);
+ }
+ goto suspend;
}
- list_for_each_entry(sdata, &local->interfaces, list) {
- cancel_work_sync(&sdata->work);
- ieee80211_quiesce(sdata);
- }
- goto suspend;
}
/* disable keys */