diff --git a/[refs] b/[refs]
index afb37034c7e4..c53751154cb1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a3be14b76da111ebe4d245b0542613f9317104e7
+refs/heads/master: d5e347bf0f5e99f540aaaaca25ef4e957d59a506
diff --git a/trunk/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/trunk/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index adb33b34a56d..a8a8cdc04afa 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -408,6 +408,8 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
 			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
 
 		} else {
+			ENABLE_REGWRITE_BUFFER(ah);
+
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
 			REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
 
@@ -428,6 +430,9 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
 
 			/* Load the new settings */
 			REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+
+			REGWRITE_BUFFER_FLUSH(ah);
+			DISABLE_REGWRITE_BUFFER(ah);
 		}
 
 		udelay(1000);