2 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 680cd369f144..93f3f615218b 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -714,7 +714,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
                 IEEE80211_HW_HAS_RATE_CONTROL |
                 IEEE80211_HW_RX_INCLUDES_FCS |
                 IEEE80211_HW_SUPPORTS_PS |
-                IEEE80211_HW_PS_NULLFUNC_STACK;
+                IEEE80211_HW_PS_NULLFUNC_STACK |
+                IEEE80211_HW_NEED_DTIM_PERIOD;
 
         hw->wiphy->interface_modes =
                 BIT(NL80211_IFTYPE_STATION) |
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index bd451c243689..b2983ce19dfb 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -642,7 +642,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 IEEE80211_HW_SUPPORTS_PS |
                 IEEE80211_HW_PS_NULLFUNC_STACK |
                 IEEE80211_HW_SPECTRUM_MGMT |
-                IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+                IEEE80211_HW_REPORTS_TX_ACK_STATUS |
+                IEEE80211_HW_NEED_DTIM_PERIOD;
 
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
                  hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;