ath9k: fix PS-Poll frame reception in AP mode on AR91xx and earlier - should fix some AP mode stability issues on these chips

SVN-Revision: 26316

package/mac80211/patches/522-ath9k_fix_pspoll_recv.patch

@@ -0,0 +1,13 @@
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -426,9 +426,7 @@ u32 ath_calcrxfilter(struct ath_softc *s
+ 	else
+ 		rfilt |= ATH9K_RX_FILTER_BEACON;
+ 
+-	if ((AR_SREV_9280_20_OR_LATER(sc->sc_ah) ||
+-	    AR_SREV_9285_12_OR_LATER(sc->sc_ah)) &&
+-	    (sc->sc_ah->opmode == NL80211_IFTYPE_AP) &&
++	if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
+ 	    (sc->rx.rxfilter & FIF_PSPOLL))
+ 		rfilt |= ATH9K_RX_FILTER_PSPOLL;
+