diff --git a/[refs] b/[refs]
index ca2891b9516a..df68789b81e5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f3f06184006dff1ec439c56dcee9a99ed93e985
+refs/heads/master: 84e2169b0fead5d87de0a29f17a06fba904bc46b
diff --git a/trunk/drivers/net/wireless/ath/ath9k/hw.c b/trunk/drivers/net/wireless/ath/ath9k/hw.c
index 034b6fdf01f3..601dbf79cc0d 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/hw.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/hw.c
@@ -1385,9 +1385,11 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
 		REG_WRITE(ah, AR_RC, AR_RC_AHB);
 
 	REG_WRITE(ah, AR_RTC_RESET, 0);
-	udelay(2);
 
-	if (!AR_SREV_9100(ah))
+	if (!AR_SREV_9300_20_OR_LATER(ah))
+		udelay(2);
+
+	if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
 		REG_WRITE(ah, AR_RC, 0);
 
 	REG_WRITE(ah, AR_RTC_RESET, 1);