From: Sujith Date: Fri, 23 Apr 2010 04:58:11 +0000 (+0530) Subject: ath9k_htc: Use multiple register writes X-Git-Tag: firefly_0821_release~9833^2~2087^2~167^2~132 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d5e347bf0f5e99f540aaaaca25ef4e957d59a506;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c index adb33b34a56d..a8a8cdc04afa 100644 --- 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);