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[PATCH 1/2] ath9k_hw: Fix rx latency of 11a mode

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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@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/hw.c |    7 +++++--
 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 88100cc..d4dce6b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -974,7 +974,10 @@ 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)) {
@@ -988,7 +991,7 @@ 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 *= 4 - 1;
 		tx_lat *= 4;
 		if (IS_CHAN_A_FAST_CLOCK(ah, chan))
 		    tx_lat += 22;
-- 
1.7.6.1

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