--- drivers/net/wireless/ath/ath9k/main.c

+++ drivers/net/wireless/ath/ath9k/main.c

@@ -1918,6 +1918,8 @@ static int ath9k_start(struct ieee80211_

DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "

"initial channel: %d MHz\n", curchan->center_freq);

+ ath9k_ps_wakeup(sc);

+

mutex_lock(&sc->mutex);

if (ath9k_wiphy_started(sc)) {

@@ -2025,6 +2027,8 @@ static int ath9k_start(struct ieee80211_

mutex_unlock:

mutex_unlock(&sc->mutex);

+ ath9k_ps_restore(sc);

+

return r;

}