From 74c9aea706df56c4b25fe61da30a3f891a0f193e Mon Sep 17 00:00:00 2001 From: nbd Date: Mon, 27 Feb 2012 11:17:44 +0000 Subject: [PATCH] ath5k: merge calibration fixes from r30623, r30624 git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@30740 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../440-ath5k_calibrate_no_queue_stop.patch | 31 ++++++++++++++ .../441-ath5k_no_agc_recalibration.patch | 42 +++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch create mode 100644 package/mac80211/patches/441-ath5k_no_agc_recalibration.patch diff --git a/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch b/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch new file mode 100644 index 000000000..3751c531b --- /dev/null +++ b/package/mac80211/patches/440-ath5k_calibrate_no_queue_stop.patch @@ -0,0 +1,31 @@ +--- a/drivers/net/wireless/ath/ath5k/base.c ++++ b/drivers/net/wireless/ath/ath5k/base.c +@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct + "got new rfgain, resetting\n"); + ieee80211_queue_work(ah->hw, &ah->reset_work); + } +- +- /* TODO: On full calibration we should stop TX here, +- * so that it doesn't interfere (mostly due to gain_f +- * calibration that messes with tx packets -see phy.c). +- * +- * NOTE: Stopping the queues from above is not enough +- * to stop TX but saves us from disconecting (at least +- * we don't lose packets). */ +- ieee80211_stop_queues(ah->hw); + } else + ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT; + +@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct + ah->curchan->center_freq)); + + /* Clear calibration flags */ +- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) { +- ieee80211_wake_queues(ah->hw); ++ if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) + ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL; +- } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT) ++ else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT) + ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT; + } + diff --git a/package/mac80211/patches/441-ath5k_no_agc_recalibration.patch b/package/mac80211/patches/441-ath5k_no_agc_recalibration.patch new file mode 100644 index 000000000..87d0743d3 --- /dev/null +++ b/package/mac80211/patches/441-ath5k_no_agc_recalibration.patch @@ -0,0 +1,42 @@ +--- a/drivers/net/wireless/ath/ath5k/phy.c ++++ b/drivers/net/wireless/ath/ath5k/phy.c +@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw * + ret = 0; + } + +- /* On full calibration do an AGC calibration and +- * request a PAPD probe for gainf calibration if +- * needed */ +- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) { ++ /* On full calibration request a PAPD probe for ++ * gainf calibration if needed */ ++ if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) && ++ (ah->ah_radio == AR5K_RF5111 || ++ ah->ah_radio == AR5K_RF5112) && ++ channel->hw_value != AR5K_MODE_11B) ++ ath5k_hw_request_rfgain_probe(ah); + +- AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL, +- AR5K_PHY_AGCCTL_CAL); +- +- ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL, +- AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF, +- 0, false); +- if (ret) { +- ATH5K_ERR(ah, +- "gain calibration timeout (%uMHz)\n", +- channel->center_freq); +- } +- +- if ((ah->ah_radio == AR5K_RF5111 || +- ah->ah_radio == AR5K_RF5112) +- && (channel->hw_value != AR5K_MODE_11B)) +- ath5k_hw_request_rfgain_probe(ah); +- } +- +- /* Update noise floor +- * XXX: Only do this after AGC calibration */ ++ /* Update noise floor */ + if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF)) + ath5k_hw_update_noise_floor(ah); + -- 2.35.1