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authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>2011-08-31 10:47:30 +0530
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 15:48:48 -0400
commit81a91d575512de74b1455d0ea213bde6f7b1e026 (patch)
tree512c7b00dcc342aa86870d3c0f76c24e836e7ce6 /drivers/net/wireless/ath/ath9k
parent4c5ade414912cd903906339491675352bfccbdfe (diff)
downloadop-kernel-dev-81a91d575512de74b1455d0ea213bde6f7b1e026.zip
op-kernel-dev-81a91d575512de74b1455d0ea213bde6f7b1e026.tar.gz
ath9k_hw: Fix rx latency of 11a mode
Rx latecy to start signal(usec) of 11a is 41 not 37 and also corrected the rx delay in quarter rate. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 468ac4b..16884c4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -975,7 +975,10 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
if (ah->misc_mode != 0)
REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode);
- rx_lat = 37;
+ if (IS_CHAN_A_FAST_CLOCK(ah, chan))
+ rx_lat = 41;
+ else
+ rx_lat = 37;
tx_lat = 54;
if (IS_CHAN_HALF_RATE(chan)) {
@@ -989,7 +992,7 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
sifstime = 32;
} else if (IS_CHAN_QUARTER_RATE(chan)) {
eifs = 340;
- rx_lat *= 4;
+ rx_lat = (rx_lat * 4) - 1;
tx_lat *= 4;
if (IS_CHAN_A_FAST_CLOCK(ah, chan))
tx_lat += 22;
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