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| author | Linus Walleij <linus.walleij@linaro.org> | 2015-08-13 14:42:55 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-08-13 14:42:55 +0200 |
| commit | 5f6f02cd49d61e9856ff2c337578316a1a1b3f88 (patch) | |
| tree | fd2e6961e8f609af41dd4a282008e1bc52cfa7c7 /net/mac80211/pm.c | |
| parent | 3afa129a9de0957d72165cf08a54e5c69938011c (diff) | |
| parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff) | |
Merge tag 'v4.2-rc4' into devel
Linux 4.2-rc4
Diffstat (limited to 'net/mac80211/pm.c')
| -rw-r--r-- | net/mac80211/pm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 06b60980c62c..b676b9fa707b 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -76,6 +76,22 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (sdata->vif.type != NL80211_IFTYPE_STATION) continue; ieee80211_mgd_quiesce(sdata); + /* If suspended during TX in progress, and wowlan + * is enabled (connection will be active) there + * can be a race where the driver is put out + * of power-save due to TX and during suspend + * dynamic_ps_timer is cancelled and TX packet + * is flushed, leaving the driver in ACTIVE even + * after resuming until dynamic_ps_timer puts + * driver back in DOZE. + */ + if (sdata->u.mgd.associated && + sdata->u.mgd.powersave && + !(local->hw.conf.flags & IEEE80211_CONF_PS)) { + local->hw.conf.flags |= IEEE80211_CONF_PS; + ieee80211_hw_config(local, + IEEE80211_CONF_CHANGE_PS); + } } err = drv_suspend(local, wowlan); |