ath9k_htc: Use multiple register writes

This patch fixes a code segment in configpciepowersave()
to make use of multiple register writes.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index adb33b3..a8a8cdc 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/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);