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| author | Sujith <Sujith.Manoharan@atheros.com> | 2010-04-16 11:53:57 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 15:47:09 -0400 |
| commit | 7d0d0df0eca695c83a08dc386824a9d1d7c526a4 (patch) | |
| tree | df2104a15ef84bcd15478e956b3458241b3b7a78 /drivers/net/wireless/ath/ath9k/ar9002_phy.c | |
| parent | 6819d57f07440a8f9540967d9212a70e9c98eceb (diff) | |
| download | kernel_samsung_smdk4412-7d0d0df0eca695c83a08dc386824a9d1d7c526a4.zip kernel_samsung_smdk4412-7d0d0df0eca695c83a08dc386824a9d1d7c526a4.tar.gz kernel_samsung_smdk4412-7d0d0df0eca695c83a08dc386824a9d1d7c526a4.tar.bz2 | |
ath9k_hw: Use buffered register writes
This patch adds macros at certain places
which could be optimized for multiple register writes.
The performance of ath9k_htc improves considerably,
especially reducing the latency involved in a scan run.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index a0a2f58..18cfe1a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -236,6 +236,8 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0)); + ENABLE_REGWRITE_BUFFER(ah); + newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI | AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER | AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK | @@ -411,6 +413,9 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, | (mask_p[47] << 2) | (mask_p[46] << 0); REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask); REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); + + REGWRITE_BUFFER_FLUSH(ah); + DISABLE_REGWRITE_BUFFER(ah); } static void ar9002_olc_init(struct ath_hw *ah) |