From 81a91d575512de74b1455d0ea213bde6f7b1e026 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Wed, 31 Aug 2011 10:47:30 +0530 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 468ac4b17df..16884c416a7 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; -- 2.39.2