diff --git a/[refs] b/[refs]
index 5b98a0903345..4ee528623a9f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3c5c9d04f628135ff57eda5068c9d9513f0a94bf
+refs/heads/master: f9401b1e74f33d40d97364be5244b715e8cee6ed
diff --git a/trunk/drivers/net/wireless/ath/ath9k/mci.c b/trunk/drivers/net/wireless/ath/ath9k/mci.c
index 19dbac42f3d9..0dd2cbb52d65 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/mci.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/mci.c
@@ -157,7 +157,7 @@ static void ath_mci_update_scheme(struct ath_softc *sc)
 			 * For single PAN/FTP profile, allocate 35% for BT
 			 * to improve WLAN throughput.
 			 */
-			btcoex->duty_cycle = 35;
+			btcoex->duty_cycle = AR_SREV_9565(sc->sc_ah) ? 40 : 35;
 			btcoex->btcoex_period = 53;
 			ath_dbg(common, MCI,
 				"Single PAN/FTP bt period %d ms dutycycle %d\n",