+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1757,7 +1757,6 @@ out:
+ void ath9k_update_p2p_ps(struct ath_softc *sc, struct ieee80211_vif *vif)
+ {
+ struct ath_vif *avp = (void *)vif->drv_priv;
+- unsigned long flags;
+ u32 tsf;
+
+ if (!sc->p2p_ps_timer)
+@@ -1767,14 +1766,9 @@ void ath9k_update_p2p_ps(struct ath_soft
+ return;
+
+ sc->p2p_ps_vif = avp;
+-
+- spin_lock_irqsave(&sc->sc_pm_lock, flags);
+- if (!(sc->ps_flags & PS_BEACON_SYNC)) {
+- tsf = ath9k_hw_gettsf32(sc->sc_ah);
+- ieee80211_parse_p2p_noa(&vif->bss_conf.p2p_noa_attr, &avp->noa, tsf);
+- ath9k_update_p2p_ps_timer(sc, avp);
+- }
+- spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
++ tsf = ath9k_hw_gettsf32(sc->sc_ah);
++ ieee80211_parse_p2p_noa(&vif->bss_conf.p2p_noa_attr, &avp->noa, tsf);
++ ath9k_update_p2p_ps_timer(sc, avp);
+ }
+
+ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
+@@ -1791,6 +1785,7 @@ static void ath9k_bss_info_changed(struc
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_vif *avp = (void *)vif->drv_priv;
++ unsigned long flags;
+ int slottime;
+
+ ath9k_ps_wakeup(sc);
+@@ -1853,7 +1848,10 @@ static void ath9k_bss_info_changed(struc
+
+ if (changed & BSS_CHANGED_P2P_PS) {
+ spin_lock_bh(&sc->sc_pcu_lock);
+- ath9k_update_p2p_ps(sc, vif);
++ spin_lock_irqsave(&sc->sc_pm_lock, flags);
++ if (!(sc->ps_flags & PS_BEACON_SYNC))
++ ath9k_update_p2p_ps(sc, vif);
++ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ spin_unlock_bh(&sc->sc_pcu_lock);
+ }
+