ath9k: add support for 802.11n bonded out AR2427

Some single chip family devices are sold in the market with
802.11n bonded out, these have no hardware capability for
802.11n but ath9k can still support them. These are called
AR2427.

Cc: stable@kernel.org
Reported-by: Rolf Leggewie <bugzilla.kernel.org@rolf.leggewie.biz>
Tested-by: Bernhard Reiter <ockham@raz.or.at>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index c3066b553546..4b5e54848683 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -620,11 +620,13 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
         hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
                 IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
                 IEEE80211_HW_SIGNAL_DBM |
-                IEEE80211_HW_AMPDU_AGGREGATION |
                 IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
                 IEEE80211_HW_SPECTRUM_MGMT;
 
+        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+                 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+
         if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
                 hw->flags |= IEEE80211_HW_MFP_CAPABLE;