Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:17557 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754745Ab1JYLQq (ORCPT ); Tue, 25 Oct 2011 07:16:46 -0400 From: Rajkumar Manoharan To: CC: , Rajkumar Manoharan Subject: [PATCH] ath9k_hw: Fix noise floor calibration timeout on fast channel change Date: Tue, 25 Oct 2011 16:47:36 +0530 Message-ID: <1319541456-2147-1-git-send-email-rmanohar@qca.qualcomm.com> (sfid-20111025_131651_033172_A5602682) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: During the fast channel change noise floor values are being loaded twice at init_cal and after channel_change. The commit "ath9k_hw: Improve fast channel change for AR9003 chips" overlooked it that caused failure to load nf while doing bgscan. This patch performs noise floor calibration after the fast and full reset. Signed-off-by: Rajkumar Manoharan --- drivers/net/wireless/ath/ath9k/ar9002_calib.c | 4 ---- drivers/net/wireless/ath/ath9k/ar9003_calib.c | 3 --- drivers/net/wireless/ath/ath9k/hw.c | 3 +++ 3 files changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index e0ab065..88279e3 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -868,10 +868,6 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) /* Do PA Calibration */ ar9002_hw_pa_cal(ah, true); - /* Do NF Calibration after DC offset and other calibrations */ - ath9k_hw_loadnf(ah, chan); - ath9k_hw_start_nfcal(ah, true); - if (ah->caldata) ah->caldata->nfcal_pending = true; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index a4cd161..12a730d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -1085,9 +1085,6 @@ skip_tx_iqcal: ar9003_hw_rtt_disable(ah); } - ath9k_hw_loadnf(ah, chan); - ath9k_hw_start_nfcal(ah, true); - /* Initialize list pointers */ ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; ah->supp_cals = IQ_MISMATCH_CAL; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 8c36938..a67c456 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1724,6 +1724,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (!ath9k_hw_init_cal(ah, chan)) return -EIO; + ath9k_hw_loadnf(ah, chan); + ath9k_hw_start_nfcal(ah, true); + ENABLE_REGWRITE_BUFFER(ah); ath9k_hw_restore_chainmask(ah); -- 1.7.7