diff options
author | Sujith <Sujith.Manoharan@atheros.com> | 2010-04-16 06:23:57 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 19:47:09 (GMT) |
commit | 7d0d0df0eca695c83a08dc386824a9d1d7c526a4 (patch) | |
tree | df2104a15ef84bcd15478e956b3458241b3b7a78 /drivers/net/wireless/ath/ath9k/ar9002_calib.c | |
parent | 6819d57f07440a8f9540967d9212a70e9c98eceb (diff) | |
download | linux-7d0d0df0eca695c83a08dc386824a9d1d7c526a4.tar.xz |
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_calib.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_calib.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 968529b..5fdbb53 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -527,6 +527,8 @@ static void ar9271_hw_pa_cal(struct ath_hw *ah, bool is_reset) ah->pacal_info.prev_offset = regVal; } + ENABLE_REGWRITE_BUFFER(ah); + regVal = REG_READ(ah, 0x7834); regVal |= 0x1; REG_WRITE(ah, 0x7834, regVal); @@ -536,6 +538,9 @@ static void ar9271_hw_pa_cal(struct ath_hw *ah, bool is_reset) for (i = 0; i < ARRAY_SIZE(regList); i++) REG_WRITE(ah, regList[i][0], regList[i][1]); + + REGWRITE_BUFFER_FLUSH(ah); + DISABLE_REGWRITE_BUFFER(ah); } static inline void ar9285_hw_pa_cal(struct ath_hw *ah, bool is_reset) |