Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:60407 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753145Ab1HaFRG (ORCPT ); Wed, 31 Aug 2011 01:17:06 -0400 From: Rajkumar Manoharan To: CC: , Rajkumar Manoharan Subject: [PATCH v2] ath9k_hw: Fix rx latency of 11a mode Date: Wed, 31 Aug 2011 10:47:30 +0530 Message-ID: <1314767850-1112-1-git-send-email-rmanohar@qca.qualcomm.com> (sfid-20110831_071710_925464_3919E6E2) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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 3a16ba2..308847d 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; -- 1.7.6.1