ath9k: Update comments for not parsing DTIM period

Add few comments for not parsing DTIM period from mac80211

Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 87ba44c..fcb36ab 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -721,8 +721,9 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
                cur_conf->beacon_interval = 100;
 
        /*
-        * Some times we dont parse dtim period from mac80211, in that case
-        * use a default value
+        * We don't parse dtim period from mac80211 during the driver
+        * initialization as it breaks association with hidden-ssid
+        * AP and it causes latency in roaming
         */
        if (cur_conf->dtim_period == 0)
                cur_conf->dtim_period = 1;