diff --git a/[refs] b/[refs]
index 41e58d14249f..74f68d790979 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a197b76c230725962dc8e13102b24468e8621bfb
+refs/heads/master: 64bc1239c790e051ff677e023435d770d2ffa174
diff --git a/trunk/drivers/net/wireless/ath/ath9k/link.c b/trunk/drivers/net/wireless/ath/ath9k/link.c
index 0cc4c70f7f0c..a105c9426251 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/link.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/link.c
@@ -136,6 +136,14 @@ void ath_hw_pll_work(struct work_struct *work)
 	u32 pll_sqsum;
 	struct ath_softc *sc = container_of(work, struct ath_softc,
 					    hw_pll_work.work);
+	/*
+	 * ensure that the PLL WAR is executed only
+	 * after the STA is associated (or) if the
+	 * beaconing had started in interfaces that
+	 * uses beacons.
+	 */
+	if (!test_bit(SC_OP_BEACONS, &sc->sc_flags))
+		return;
 
 	ath9k_ps_wakeup(sc);
 	pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah);