From 8c5fdf2ae8b470286a40684a3823159635b447c9 Mon Sep 17 00:00:00 2001 From: nbd Date: Sun, 3 Oct 2010 16:57:25 +0000 Subject: [PATCH] ath9k: add a few fixes and cleanups git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23198 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../530-ath9k_remove_calinitdata.patch | 75 ++++ .../patches/531-ath9k_cal_cleanup.patch | 248 +++++++++++ .../540-ath9k_cycle_counters_cleanup.patch | 282 ++++++++++++ .../550-ath9k_cleanup_regwrite_buffer.patch | 410 ++++++++++++++++++ .../patches/551-ath9k_ani_helper.patch | 32 ++ .../552-ath9k_fix_ani_listen_time.patch | 11 + 6 files changed, 1058 insertions(+) create mode 100644 package/mac80211/patches/530-ath9k_remove_calinitdata.patch create mode 100644 package/mac80211/patches/531-ath9k_cal_cleanup.patch create mode 100644 package/mac80211/patches/540-ath9k_cycle_counters_cleanup.patch create mode 100644 package/mac80211/patches/550-ath9k_cleanup_regwrite_buffer.patch create mode 100644 package/mac80211/patches/551-ath9k_ani_helper.patch create mode 100644 package/mac80211/patches/552-ath9k_fix_ani_listen_time.patch diff --git a/package/mac80211/patches/530-ath9k_remove_calinitdata.patch b/package/mac80211/patches/530-ath9k_remove_calinitdata.patch new file mode 100644 index 000000000..78425e1dc --- /dev/null +++ b/package/mac80211/patches/530-ath9k_remove_calinitdata.patch @@ -0,0 +1,75 @@ +--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c +@@ -45,11 +45,6 @@ static void ar9002_hw_setup_calibration( + ath_print(common, ATH_DBG_CALIBRATE, + "starting ADC DC Calibration\n"); + break; +- case ADC_DC_INIT_CAL: +- REG_WRITE(ah, AR_PHY_CALMODE, AR_PHY_CALMODE_ADC_DC_INIT); +- ath_print(common, ATH_DBG_CALIBRATE, +- "starting Init ADC DC Calibration\n"); +- break; + case TEMP_COMP_CAL: + break; /* Not supported */ + } +@@ -950,13 +945,6 @@ static const struct ath9k_percal_data ad + ar9002_hw_adc_dccal_collect, + ar9002_hw_adc_dccal_calibrate + }; +-static const struct ath9k_percal_data adc_init_dc_cal = { +- ADC_DC_INIT_CAL, +- MIN_CAL_SAMPLES, +- INIT_LOG_COUNT, +- ar9002_hw_adc_dccal_collect, +- ar9002_hw_adc_dccal_calibrate +-}; + + static void ar9002_hw_init_cal_settings(struct ath_hw *ah) + { +@@ -973,16 +961,12 @@ static void ar9002_hw_init_cal_settings( + &adc_gain_cal_single_sample; + ah->adcdc_caldata.calData = + &adc_dc_cal_single_sample; +- ah->adcdc_calinitdata.calData = +- &adc_init_dc_cal; + } else { + ah->iq_caldata.calData = &iq_cal_multi_sample; + ah->adcgain_caldata.calData = + &adc_gain_cal_multi_sample; + ah->adcdc_caldata.calData = + &adc_dc_cal_multi_sample; +- ah->adcdc_calinitdata.calData = +- &adc_init_dc_cal; + } + ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL; + } +--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c +@@ -50,7 +50,6 @@ static void ar9003_hw_setup_calibration( + ath_print(common, ATH_DBG_CALIBRATE, + "starting Temperature Compensation Calibration\n"); + break; +- case ADC_DC_INIT_CAL: + case ADC_GAIN_CAL: + case ADC_DC_CAL: + /* Not yet */ +--- a/drivers/net/wireless/ath/ath9k/calib.h ++++ b/drivers/net/wireless/ath/ath9k/calib.h +@@ -59,7 +59,6 @@ struct ar5416IniArray { + } while (0) + + enum ath9k_cal_types { +- ADC_DC_INIT_CAL = 0x1, + ADC_GAIN_CAL = 0x2, + ADC_DC_CAL = 0x4, + IQ_MISMATCH_CAL = 0x8, +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -692,7 +692,6 @@ struct ath_hw { + enum ath9k_cal_types supp_cals; + struct ath9k_cal_list iq_caldata; + struct ath9k_cal_list adcgain_caldata; +- struct ath9k_cal_list adcdc_calinitdata; + struct ath9k_cal_list adcdc_caldata; + struct ath9k_cal_list tempCompCalData; + struct ath9k_cal_list *cal_list; diff --git a/package/mac80211/patches/531-ath9k_cal_cleanup.patch b/package/mac80211/patches/531-ath9k_cal_cleanup.patch new file mode 100644 index 000000000..3a14d5289 --- /dev/null +++ b/package/mac80211/patches/531-ath9k_cal_cleanup.patch @@ -0,0 +1,248 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -535,8 +535,6 @@ struct ath_hw_private_ops { + bool (*macversion_supported)(u32 macversion); + void (*setup_calibration)(struct ath_hw *ah, + struct ath9k_cal_list *currCal); +- bool (*iscal_supported)(struct ath_hw *ah, +- enum ath9k_cal_types calType); + + /* PHY ops */ + int (*rf_set_freq)(struct ath_hw *ah, +@@ -689,7 +687,7 @@ struct ath_hw { + u32 atim_window; + + /* Calibration */ +- enum ath9k_cal_types supp_cals; ++ u32 supp_cals; + struct ath9k_cal_list iq_caldata; + struct ath9k_cal_list adcgain_caldata; + struct ath9k_cal_list adcdc_caldata; +--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c +@@ -20,6 +20,13 @@ + + #define AR9285_CLCAL_REDO_THRESH 1 + ++enum ar9002_cal_types { ++ ADC_GAIN_CAL = BIT(0), ++ ADC_DC_CAL = BIT(1), ++ IQ_MISMATCH_CAL = BIT(2), ++}; ++ ++ + static void ar9002_hw_setup_calibration(struct ath_hw *ah, + struct ath9k_cal_list *currCal) + { +@@ -45,8 +52,6 @@ static void ar9002_hw_setup_calibration( + ath_print(common, ATH_DBG_CALIBRATE, + "starting ADC DC Calibration\n"); + break; +- case TEMP_COMP_CAL: +- break; /* Not supported */ + } + + REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4(0), +@@ -91,25 +96,6 @@ static bool ar9002_hw_per_calibration(st + return iscaldone; + } + +-/* Assumes you are talking about the currently configured channel */ +-static bool ar9002_hw_iscal_supported(struct ath_hw *ah, +- enum ath9k_cal_types calType) +-{ +- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; +- +- switch (calType & ah->supp_cals) { +- case IQ_MISMATCH_CAL: /* Both 2 GHz and 5 GHz support OFDM */ +- return true; +- case ADC_GAIN_CAL: +- case ADC_DC_CAL: +- if (!(conf->channel->band == IEEE80211_BAND_2GHZ && +- conf_is_ht20(conf))) +- return true; +- break; +- } +- return false; +-} +- + static void ar9002_hw_iqcal_collect(struct ath_hw *ah) + { + int i; +@@ -872,24 +858,28 @@ static bool ar9002_hw_init_cal(struct at + + /* Enable IQ, ADC Gain and ADC DC offset CALs */ + if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah)) { +- if (ar9002_hw_iscal_supported(ah, ADC_GAIN_CAL)) { ++ ah->supp_cals = IQ_MISMATCH_CAL; ++ ++ if (AR_SREV_9160_10_OR_LATER(ah) && ++ !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan))) { ++ ah->supp_cals |= ADC_GAIN_CAL | ADC_DC_CAL; ++ ++ + INIT_CAL(&ah->adcgain_caldata); + INSERT_CAL(ah, &ah->adcgain_caldata); + ath_print(common, ATH_DBG_CALIBRATE, + "enabling ADC Gain Calibration.\n"); +- } +- if (ar9002_hw_iscal_supported(ah, ADC_DC_CAL)) { ++ + INIT_CAL(&ah->adcdc_caldata); + INSERT_CAL(ah, &ah->adcdc_caldata); + ath_print(common, ATH_DBG_CALIBRATE, + "enabling ADC DC Calibration.\n"); + } +- if (ar9002_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) { +- INIT_CAL(&ah->iq_caldata); +- INSERT_CAL(ah, &ah->iq_caldata); +- ath_print(common, ATH_DBG_CALIBRATE, +- "enabling IQ Calibration.\n"); +- } ++ ++ INIT_CAL(&ah->iq_caldata); ++ INSERT_CAL(ah, &ah->iq_caldata); ++ ath_print(common, ATH_DBG_CALIBRATE, ++ "enabling IQ Calibration.\n"); + + ah->cal_list_curr = ah->cal_list; + +@@ -980,7 +970,6 @@ void ar9002_hw_attach_calib_ops(struct a + priv_ops->init_cal_settings = ar9002_hw_init_cal_settings; + priv_ops->init_cal = ar9002_hw_init_cal; + priv_ops->setup_calibration = ar9002_hw_setup_calibration; +- priv_ops->iscal_supported = ar9002_hw_iscal_supported; + + ops->calibrate = ar9002_hw_calibrate; + } +--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c +@@ -18,6 +18,11 @@ + #include "hw-ops.h" + #include "ar9003_phy.h" + ++enum ar9003_cal_types { ++ IQ_MISMATCH_CAL = BIT(0), ++ TEMP_COMP_CAL = BIT(1), ++}; ++ + static void ar9003_hw_setup_calibration(struct ath_hw *ah, + struct ath9k_cal_list *currCal) + { +@@ -50,10 +55,6 @@ static void ar9003_hw_setup_calibration( + ath_print(common, ATH_DBG_CALIBRATE, + "starting Temperature Compensation Calibration\n"); + break; +- case ADC_GAIN_CAL: +- case ADC_DC_CAL: +- /* Not yet */ +- break; + } + } + +@@ -313,27 +314,6 @@ static const struct ath9k_percal_data iq + static void ar9003_hw_init_cal_settings(struct ath_hw *ah) + { + ah->iq_caldata.calData = &iq_cal_single_sample; +- ah->supp_cals = IQ_MISMATCH_CAL; +-} +- +-static bool ar9003_hw_iscal_supported(struct ath_hw *ah, +- enum ath9k_cal_types calType) +-{ +- switch (calType & ah->supp_cals) { +- case IQ_MISMATCH_CAL: +- /* +- * XXX: Run IQ Mismatch for non-CCK only +- * Note that CHANNEL_B is never set though. +- */ +- return true; +- case ADC_GAIN_CAL: +- case ADC_DC_CAL: +- return false; +- case TEMP_COMP_CAL: +- return true; +- } +- +- return false; + } + + /* +@@ -772,15 +752,16 @@ static bool ar9003_hw_init_cal(struct at + + /* Initialize list pointers */ + ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; ++ ah->supp_cals = IQ_MISMATCH_CAL; + +- if (ar9003_hw_iscal_supported(ah, IQ_MISMATCH_CAL)) { ++ if (ah->supp_cals & IQ_MISMATCH_CAL) { + INIT_CAL(&ah->iq_caldata); + INSERT_CAL(ah, &ah->iq_caldata); + ath_print(common, ATH_DBG_CALIBRATE, + "enabling IQ Calibration.\n"); + } + +- if (ar9003_hw_iscal_supported(ah, TEMP_COMP_CAL)) { ++ if (ah->supp_cals & TEMP_COMP_CAL) { + INIT_CAL(&ah->tempCompCalData); + INSERT_CAL(ah, &ah->tempCompCalData); + ath_print(common, ATH_DBG_CALIBRATE, +@@ -807,7 +788,6 @@ void ar9003_hw_attach_calib_ops(struct a + priv_ops->init_cal_settings = ar9003_hw_init_cal_settings; + priv_ops->init_cal = ar9003_hw_init_cal; + priv_ops->setup_calibration = ar9003_hw_setup_calibration; +- priv_ops->iscal_supported = ar9003_hw_iscal_supported; + + ops->calibrate = ar9003_hw_calibrate; + } +--- a/drivers/net/wireless/ath/ath9k/calib.h ++++ b/drivers/net/wireless/ath/ath9k/calib.h +@@ -58,13 +58,6 @@ struct ar5416IniArray { + } \ + } while (0) + +-enum ath9k_cal_types { +- ADC_GAIN_CAL = 0x2, +- ADC_DC_CAL = 0x4, +- IQ_MISMATCH_CAL = 0x8, +- TEMP_COMP_CAL = 0x10, +-}; +- + enum ath9k_cal_state { + CAL_INACTIVE, + CAL_WAITING, +@@ -79,7 +72,7 @@ enum ath9k_cal_state { + #define PER_MAX_LOG_COUNT 10 + + struct ath9k_percal_data { +- enum ath9k_cal_types calType; ++ u32 calType; + u32 calNumSamples; + u32 calCountMax; + void (*calCollect) (struct ath_hw *); +--- a/drivers/net/wireless/ath/ath9k/hw-ops.h ++++ b/drivers/net/wireless/ath/ath9k/hw-ops.h +@@ -276,12 +276,6 @@ static inline void ath9k_hw_setup_calibr + ath9k_hw_private_ops(ah)->setup_calibration(ah, currCal); + } + +-static inline bool ath9k_hw_iscal_supported(struct ath_hw *ah, +- enum ath9k_cal_types calType) +-{ +- return ath9k_hw_private_ops(ah)->iscal_supported(ah, calType); +-} +- + static inline void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning) + { + ath9k_hw_private_ops(ah)->ani_reset(ah, is_scanning); +--- a/drivers/net/wireless/ath/ath9k/calib.c ++++ b/drivers/net/wireless/ath/ath9k/calib.c +@@ -186,7 +186,7 @@ bool ath9k_hw_reset_calvalid(struct ath_ + return true; + } + +- if (!ath9k_hw_iscal_supported(ah, currCal->calData->calType)) ++ if (!(ah->supp_cals & currCal->calData->calType)) + return true; + + ath_print(common, ATH_DBG_CALIBRATE, diff --git a/package/mac80211/patches/540-ath9k_cycle_counters_cleanup.patch b/package/mac80211/patches/540-ath9k_cycle_counters_cleanup.patch new file mode 100644 index 000000000..89af14691 --- /dev/null +++ b/package/mac80211/patches/540-ath9k_cycle_counters_cleanup.patch @@ -0,0 +1,282 @@ +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -765,6 +765,8 @@ struct ath_hw { + int coarse_low[5]; + int firpwr[5]; + enum ath9k_ani_cmd ani_function; ++ struct ath_cycle_counters cc, cc_delta; ++ int32_t listen_time; + + /* Bluetooth coexistance */ + struct ath_btcoex_hw btcoex_hw; +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -549,47 +549,15 @@ static u8 ath9k_hw_chan_2_clockrate_mhz( + + static int32_t ath9k_hw_ani_get_listen_time(struct ath_hw *ah) + { +- struct ar5416AniState *aniState; +- struct ath_common *common = ath9k_hw_common(ah); +- u32 txFrameCount, rxFrameCount, cycleCount; +- int32_t listenTime; +- +- txFrameCount = REG_READ(ah, AR_TFCNT); +- rxFrameCount = REG_READ(ah, AR_RFCNT); +- cycleCount = REG_READ(ah, AR_CCCNT); +- +- aniState = ah->curani; +- if (aniState->cycleCount == 0 || aniState->cycleCount > cycleCount) { +- listenTime = 0; +- ah->stats.ast_ani_lzero++; +- ath_print(common, ATH_DBG_ANI, +- "1st call: aniState->cycleCount=%d\n", +- aniState->cycleCount); +- } else { +- int32_t ccdelta = cycleCount - aniState->cycleCount; +- int32_t rfdelta = rxFrameCount - aniState->rxFrameCount; +- int32_t tfdelta = txFrameCount - aniState->txFrameCount; +- int32_t clock_rate; +- +- /* +- * convert HW counter values to ms using mode +- * specifix clock rate +- */ +- clock_rate = ath9k_hw_chan_2_clockrate_mhz(ah) * 1000;; ++ int32_t listen_time; ++ int32_t clock_rate; + +- listenTime = (ccdelta - rfdelta - tfdelta) / clock_rate; ++ ath9k_hw_update_cycle_counters(ah); ++ clock_rate = ath9k_hw_chan_2_clockrate_mhz(ah) * 1000; ++ listen_time = ah->listen_time / clock_rate; ++ ah->listen_time = 0; + +- ath_print(common, ATH_DBG_ANI, +- "cyclecount=%d, rfcount=%d, " +- "tfcount=%d, listenTime=%d CLOCK_RATE=%d\n", +- ccdelta, rfdelta, tfdelta, listenTime, clock_rate); +- } +- +- aniState->cycleCount = cycleCount; +- aniState->txFrameCount = txFrameCount; +- aniState->rxFrameCount = rxFrameCount; +- +- return listenTime; ++ return listen_time; + } + + static void ath9k_ani_reset_old(struct ath_hw *ah, bool is_scanning) +@@ -1041,45 +1009,52 @@ void ath9k_hw_disable_mib_counters(struc + } + EXPORT_SYMBOL(ath9k_hw_disable_mib_counters); + +-u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, +- u32 *rxc_pcnt, +- u32 *rxf_pcnt, +- u32 *txf_pcnt) ++void ath9k_hw_update_cycle_counters(struct ath_hw *ah) + { +- struct ath_common *common = ath9k_hw_common(ah); +- static u32 cycles, rx_clear, rx_frame, tx_frame; +- u32 good = 1; ++ struct ath_cycle_counters cc; ++ bool clear; + +- u32 rc = REG_READ(ah, AR_RCCNT); +- u32 rf = REG_READ(ah, AR_RFCNT); +- u32 tf = REG_READ(ah, AR_TFCNT); +- u32 cc = REG_READ(ah, AR_CCCNT); ++ memcpy(&cc, &ah->cc, sizeof(cc)); + +- if (cycles == 0 || cycles > cc) { +- ath_print(common, ATH_DBG_ANI, +- "cycle counter wrap. ExtBusy = 0\n"); +- good = 0; +- } else { +- u32 cc_d = cc - cycles; +- u32 rc_d = rc - rx_clear; +- u32 rf_d = rf - rx_frame; +- u32 tf_d = tf - tx_frame; +- +- if (cc_d != 0) { +- *rxc_pcnt = rc_d * 100 / cc_d; +- *rxf_pcnt = rf_d * 100 / cc_d; +- *txf_pcnt = tf_d * 100 / cc_d; +- } else { +- good = 0; +- } +- } ++ /* freeze counters */ ++ REG_WRITE(ah, AR_MIBC, AR_MIBC_FMC); + +- cycles = cc; +- rx_frame = rf; +- rx_clear = rc; +- tx_frame = tf; ++ ah->cc.cycles = REG_READ(ah, AR_CCCNT); ++ if (ah->cc.cycles < cc.cycles) { ++ clear = true; ++ goto skip; ++ } ++ ++ ah->cc.rx_clear = REG_READ(ah, AR_RCCNT); ++ ah->cc.rx_frame = REG_READ(ah, AR_RFCNT); ++ ah->cc.tx_frame = REG_READ(ah, AR_TFCNT); ++ ++ /* prevent wraparound */ ++ if (ah->cc.cycles & BIT(31)) ++ clear = true; ++ ++#define CC_DELTA(_field, _reg) ah->cc_delta._field += ah->cc._field - cc._field ++ CC_DELTA(cycles, AR_CCCNT); ++ CC_DELTA(rx_frame, AR_RFCNT); ++ CC_DELTA(rx_clear, AR_RCCNT); ++ CC_DELTA(tx_frame, AR_TFCNT); ++#undef CC_DELTA ++ ++ ah->listen_time += (ah->cc.cycles - cc.cycles) - ++ ((ah->cc.rx_frame - cc.rx_frame) + ++ (ah->cc.tx_frame - cc.tx_frame)); ++ ++skip: ++ if (clear) { ++ REG_WRITE(ah, AR_CCCNT, 0); ++ REG_WRITE(ah, AR_RFCNT, 0); ++ REG_WRITE(ah, AR_RCCNT, 0); ++ REG_WRITE(ah, AR_TFCNT, 0); ++ memset(&ah->cc, 0, sizeof(ah->cc)); ++ } + +- return good; ++ /* unfreeze counters */ ++ REG_WRITE(ah, AR_MIBC, 0); + } + + /* +--- a/drivers/net/wireless/ath/ath9k/ani.h ++++ b/drivers/net/wireless/ath/ath9k/ani.h +@@ -93,6 +93,13 @@ struct ath9k_mib_stats { + u32 beacons; + }; + ++struct ath_cycle_counters { ++ u32 cycles; ++ u32 rx_frame; ++ u32 rx_clear; ++ u32 tx_frame; ++}; ++ + /* INI default values for ANI registers */ + struct ath9k_ani_default { + u16 m1ThreshLow; +@@ -130,9 +137,6 @@ struct ar5416AniState { + int32_t rssiThrLow; + int32_t rssiThrHigh; + u32 noiseFloor; +- u32 txFrameCount; +- u32 rxFrameCount; +- u32 cycleCount; + u32 ofdmPhyErrCount; + u32 cckPhyErrCount; + u32 ofdmPhyErrBase; +@@ -166,8 +170,7 @@ struct ar5416Stats { + + void ath9k_enable_mib_counters(struct ath_hw *ah); + void ath9k_hw_disable_mib_counters(struct ath_hw *ah); +-u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt, +- u32 *rxf_pcnt, u32 *txf_pcnt); ++void ath9k_hw_update_cycle_counters(struct ath_hw *ah); + void ath9k_hw_ani_setup(struct ath_hw *ah); + void ath9k_hw_ani_init(struct ath_hw *ah); + int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah, +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -1227,8 +1227,7 @@ static bool ar5008_hw_ani_control_old(st + aniState->firstepLevel, + aniState->listenTime); + ath_print(common, ATH_DBG_ANI, +- "cycleCount=%d, ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n", +- aniState->cycleCount, ++ "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n", + aniState->ofdmPhyErrCount, + aniState->cckPhyErrCount); + +@@ -1480,15 +1479,13 @@ static bool ar5008_hw_ani_control_new(st + + ath_print(common, ATH_DBG_ANI, + "ANI parameters: SI=%d, ofdmWS=%s FS=%d " +- "MRCcck=%s listenTime=%d CC=%d listen=%d " ++ "MRCcck=%s listenTime=%d " + "ofdmErrs=%d cckErrs=%d\n", + aniState->spurImmunityLevel, + !aniState->ofdmWeakSigDetectOff ? "on" : "off", + aniState->firstepLevel, + !aniState->mrcCCKOff ? "on" : "off", + aniState->listenTime, +- aniState->cycleCount, +- aniState->listenTime, + aniState->ofdmPhyErrCount, + aniState->cckPhyErrCount); + return true; +@@ -1581,8 +1578,6 @@ static void ar5008_hw_ani_cache_ini_regs + aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW; + aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG; + aniState->mrcCCKOff = true; /* not available on pre AR9003 */ +- +- aniState->cycleCount = 0; + } + + static void ar5008_hw_set_nf_limits(struct ath_hw *ah) +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c +@@ -1005,15 +1005,13 @@ static bool ar9003_hw_ani_control(struct + + ath_print(common, ATH_DBG_ANI, + "ANI parameters: SI=%d, ofdmWS=%s FS=%d " +- "MRCcck=%s listenTime=%d CC=%d listen=%d " ++ "MRCcck=%s listenTime=%d " + "ofdmErrs=%d cckErrs=%d\n", + aniState->spurImmunityLevel, + !aniState->ofdmWeakSigDetectOff ? "on" : "off", + aniState->firstepLevel, + !aniState->mrcCCKOff ? "on" : "off", + aniState->listenTime, +- aniState->cycleCount, +- aniState->listenTime, + aniState->ofdmPhyErrCount, + aniState->cckPhyErrCount); + return true; +@@ -1116,8 +1114,6 @@ static void ar9003_hw_ani_cache_ini_regs + aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW; + aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG; + aniState->mrcCCKOff = !ATH9K_ANI_ENABLE_MRC_CCK; +- +- aniState->cycleCount = 0; + } + + void ar9003_hw_attach_phy_ops(struct ath_hw *ah) +@@ -1232,7 +1228,7 @@ void ar9003_hw_bb_watchdog_read(struct a + void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah) + { + struct ath_common *common = ath9k_hw_common(ah); +- u32 rxc_pcnt = 0, rxf_pcnt = 0, txf_pcnt = 0, status; ++ u32 status; + + if (likely(!(common->debug_mask & ATH_DBG_RESET))) + return; +@@ -1261,11 +1257,13 @@ void ar9003_hw_bb_watchdog_dbg_info(stru + "** BB mode: BB_gen_controls=0x%08x **\n", + REG_READ(ah, AR_PHY_GEN_CTRL)); + +- if (ath9k_hw_GetMibCycleCountsPct(ah, &rxc_pcnt, &rxf_pcnt, &txf_pcnt)) ++ ath9k_hw_update_cycle_counters(ah); ++#define PCT(_field) (ah->cc_delta._field * 100 / ah->cc_delta.cycles) ++ if (ah->cc_delta.cycles) + ath_print(common, ATH_DBG_RESET, + "** BB busy times: rx_clear=%d%%, " + "rx_frame=%d%%, tx_frame=%d%% **\n", +- rxc_pcnt, rxf_pcnt, txf_pcnt); ++ PCT(rx_clear), PCT(rx_frame), PCT(tx_frame)); + + ath_print(common, ATH_DBG_RESET, + "==== BB update: done ====\n\n"); diff --git a/package/mac80211/patches/550-ath9k_cleanup_regwrite_buffer.patch b/package/mac80211/patches/550-ath9k_cleanup_regwrite_buffer.patch new file mode 100644 index 000000000..a0ef55562 --- /dev/null +++ b/package/mac80211/patches/550-ath9k_cleanup_regwrite_buffer.patch @@ -0,0 +1,410 @@ +--- a/drivers/net/wireless/ath/ath.h ++++ b/drivers/net/wireless/ath/ath.h +@@ -102,14 +102,12 @@ enum ath_cipher { + * @read: Register read + * @write: Register write + * @enable_write_buffer: Enable multiple register writes +- * @disable_write_buffer: Disable multiple register writes +- * @write_flush: Flush buffered register writes ++ * @write_flush: flush buffered register writes and disable buffering + */ + struct ath_ops { + unsigned int (*read)(void *, u32 reg_offset); + void (*write)(void *, u32 val, u32 reg_offset); + void (*enable_write_buffer)(void *); +- void (*disable_write_buffer)(void *); + void (*write_flush) (void *); + }; + +--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c +@@ -380,15 +380,6 @@ static void ath9k_enable_regwrite_buffer + atomic_inc(&priv->wmi->mwrite_cnt); + } + +-static void ath9k_disable_regwrite_buffer(void *hw_priv) +-{ +- struct ath_hw *ah = (struct ath_hw *) hw_priv; +- struct ath_common *common = ath9k_hw_common(ah); +- struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; +- +- atomic_dec(&priv->wmi->mwrite_cnt); +-} +- + static void ath9k_regwrite_flush(void *hw_priv) + { + struct ath_hw *ah = (struct ath_hw *) hw_priv; +@@ -397,6 +388,9 @@ static void ath9k_regwrite_flush(void *h + u32 rsp_status; + int r; + ++ if (!atomic_dec_and_test(&priv->wmi->mwrite_cnt)) ++ return; ++ + mutex_lock(&priv->wmi->multi_write_mutex); + + if (priv->wmi->multi_write_idx) { +@@ -420,7 +414,6 @@ static const struct ath_ops ath9k_common + .read = ath9k_regread, + .write = ath9k_regwrite, + .enable_write_buffer = ath9k_enable_regwrite_buffer, +- .disable_write_buffer = ath9k_disable_regwrite_buffer, + .write_flush = ath9k_regwrite_flush, + }; + +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -70,19 +70,13 @@ + + #define ENABLE_REGWRITE_BUFFER(_ah) \ + do { \ +- if (AR_SREV_9271(_ah)) \ ++ if (ath9k_hw_common(_ah)->ops->enable_write_buffer) \ + ath9k_hw_common(_ah)->ops->enable_write_buffer((_ah)); \ + } while (0) + +-#define DISABLE_REGWRITE_BUFFER(_ah) \ +- do { \ +- if (AR_SREV_9271(_ah)) \ +- ath9k_hw_common(_ah)->ops->disable_write_buffer((_ah)); \ +- } while (0) +- + #define REGWRITE_BUFFER_FLUSH(_ah) \ + do { \ +- if (AR_SREV_9271(_ah)) \ ++ if (ath9k_hw_common(_ah)->ops->write_flush) \ + ath9k_hw_common(_ah)->ops->write_flush((_ah)); \ + } while (0) + +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -180,7 +180,6 @@ static void ath9k_ani_restart_old(struct + REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); + +@@ -215,7 +214,6 @@ static void ath9k_ani_restart_new(struct + REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); + +@@ -643,7 +641,6 @@ static void ath9k_ani_reset_old(struct a + REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + /* +@@ -737,7 +734,6 @@ static void ath9k_ani_reset_new(struct a + REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + static void ath9k_hw_ani_monitor_old(struct ath_hw *ah, +@@ -991,7 +987,6 @@ void ath9k_enable_mib_counters(struct at + REG_WRITE(ah, AR_PHY_ERR_MASK_2, AR_PHY_ERR_CCK_TIMING); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + /* Freeze the MIB counters, get the stats and then clear them */ +@@ -1261,7 +1256,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah + REG_WRITE(ah, AR_PHY_ERR_2, ah->ani[0].cckPhyErrBase); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + ath9k_enable_mib_counters(ah); + +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -615,14 +615,11 @@ static void ar5008_hw_init_chain_masks(s + rx_chainmask = ah->rxchainmask; + tx_chainmask = ah->txchainmask; + +- ENABLE_REGWRITE_BUFFER(ah); + + switch (rx_chainmask) { + case 0x5: +- DISABLE_REGWRITE_BUFFER(ah); + REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, + AR_PHY_SWAP_ALT_CHAIN); +- ENABLE_REGWRITE_BUFFER(ah); + case 0x3: + if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) { + REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7); +@@ -632,17 +629,18 @@ static void ar5008_hw_init_chain_masks(s + case 0x1: + case 0x2: + case 0x7: ++ ENABLE_REGWRITE_BUFFER(ah); + REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask); + REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask); + break; + default: ++ ENABLE_REGWRITE_BUFFER(ah); + break; + } + + REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (tx_chainmask == 0x5) { + REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, +@@ -728,7 +726,6 @@ static void ar5008_hw_set_channel_regs(s + REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + +@@ -820,7 +817,6 @@ static int ar5008_hw_process_ini(struct + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah)) + REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites); +@@ -851,7 +847,6 @@ static int ar5008_hw_process_ini(struct + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (AR_SREV_9271(ah)) { + if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1) +--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c +@@ -522,7 +522,6 @@ static void ar9271_hw_pa_cal(struct ath_ + REG_WRITE(ah, regList[i][0], regList[i][1]); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + static inline void ar9285_hw_pa_cal(struct ath_hw *ah, bool is_reset) +--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c +@@ -371,7 +371,6 @@ static void ar9002_hw_configpcipowersave + REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + udelay(1000); +@@ -468,7 +467,6 @@ static int ar9002_hw_get_radiorev(struct + REG_WRITE(ah, AR_PHY(0x20), 0x00010000); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff; + val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4); +@@ -627,6 +625,4 @@ void ar9002_hw_load_ani_reg(struct ath_h + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); +- + } +--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c +@@ -415,7 +415,6 @@ static void ar9002_hw_spur_mitigate(stru + REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + static void ar9002_olc_init(struct ath_hw *ah) +--- a/drivers/net/wireless/ath/ath9k/calib.c ++++ b/drivers/net/wireless/ath/ath9k/calib.c +@@ -300,7 +300,6 @@ void ath9k_hw_loadnf(struct ath_hw *ah, + } + } + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + +--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c ++++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c +@@ -500,7 +500,6 @@ static void ath9k_hw_set_4k_power_cal_ta + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + } + +@@ -832,7 +831,6 @@ static void ath9k_hw_4k_set_txpower(stru + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + static void ath9k_hw_4k_set_addac(struct ath_hw *ah, +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -302,7 +302,6 @@ static void ath9k_hw_disablepcie(struct + REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + /* This should work for all families including legacy */ +@@ -688,7 +687,6 @@ static void ath9k_hw_init_qos(struct ath + REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + static void ath9k_hw_init_pll(struct ath_hw *ah, +@@ -753,7 +751,6 @@ static void ath9k_hw_init_interrupt_mask + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (AR_SREV_9300_20_OR_LATER(ah)) { + REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0); +@@ -897,7 +894,6 @@ static inline void ath9k_hw_set_dma(stru + REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + /* + * Restore TX Trigger Level to its pre-reset value. +@@ -945,7 +941,6 @@ static inline void ath9k_hw_set_dma(stru + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (AR_SREV_9300_20_OR_LATER(ah)) + ath9k_hw_reset_txstatus_ring(ah); +@@ -1043,7 +1038,6 @@ static bool ath9k_hw_set_reset(struct at + REG_WRITE(ah, AR_RTC_RC, rst_flags); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + udelay(50); + +@@ -1082,7 +1076,6 @@ static bool ath9k_hw_set_reset_power_on( + udelay(2); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (!AR_SREV_9300_20_OR_LATER(ah)) + udelay(2); +@@ -1386,7 +1379,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st + REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + r = ath9k_hw_rf_set_freq(ah, chan); + if (r) +@@ -1398,7 +1390,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st + REG_WRITE(ah, AR_DQCUMASK(i), 1 << i); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + ah->intr_txqs = 0; + for (i = 0; i < ah->caps.total_queues; i++) +@@ -1446,7 +1437,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st + REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + /* + * For big endian systems turn on swapping for descriptors +@@ -1696,7 +1686,6 @@ void ath9k_hw_beaconinit(struct ath_hw * + REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period)); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + beacon_period &= ~ATH9K_BEACON_ENA; + if (beacon_period & ATH9K_BEACON_RESET_TSF) { +@@ -1724,7 +1713,6 @@ void ath9k_hw_set_sta_beacon_timers(stru + TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD)); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + REG_RMW_FIELD(ah, AR_RSSI_THR, + AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold); +@@ -1770,7 +1758,6 @@ void ath9k_hw_set_sta_beacon_timers(stru + REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod)); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + REG_SET_BIT(ah, AR_TIMER_MODE, + AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN | +@@ -2188,7 +2175,6 @@ void ath9k_hw_setrxfilter(struct ath_hw + REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + EXPORT_SYMBOL(ath9k_hw_setrxfilter); + +--- a/drivers/net/wireless/ath/ath9k/mac.c ++++ b/drivers/net/wireless/ath/ath9k/mac.c +@@ -40,7 +40,6 @@ static void ath9k_hw_set_txq_interrupts( + REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + } + + u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q) +@@ -530,7 +529,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw + } + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + if (qi->tqi_qflags & TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE) { + REG_WRITE(ah, AR_DMISC(q), +@@ -553,7 +551,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw + | AR_D_MISC_POST_FR_BKOFF_DIS); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + /* + * cwmin and cwmax should be 0 for beacon queue +@@ -585,7 +582,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw + AR_D_MISC_ARB_LOCKOUT_CNTRL_S)); + + REGWRITE_BUFFER_FLUSH(ah); +- DISABLE_REGWRITE_BUFFER(ah); + + break; + case ATH9K_TX_QUEUE_PSPOLL: diff --git a/package/mac80211/patches/551-ath9k_ani_helper.patch b/package/mac80211/patches/551-ath9k_ani_helper.patch new file mode 100644 index 000000000..dfd85f237 --- /dev/null +++ b/package/mac80211/patches/551-ath9k_ani_helper.patch @@ -0,0 +1,32 @@ +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -109,6 +109,11 @@ static void ath9k_hw_ani_lower_immunity( + ath9k_hw_private_ops(ah)->ani_lower_immunity(ah); + } + ++static bool use_new_ani(struct ath_hw *ah) ++{ ++ return AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani; ++} ++ + int ath9k_hw_get_ani_channel_idx(struct ath_hw *ah, + struct ath9k_channel *chan) + { +@@ -1178,7 +1183,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah + + memset(ah->ani, 0, sizeof(ah->ani)); + for (i = 0; i < ARRAY_SIZE(ah->ani); i++) { +- if (AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani) { ++ if (use_new_ani(ah)) { + ah->ani[i].ofdmTrigHigh = ATH9K_ANI_OFDM_TRIG_HIGH_NEW; + ah->ani[i].ofdmTrigLow = ATH9K_ANI_OFDM_TRIG_LOW_NEW; + +@@ -1230,7 +1235,7 @@ void ath9k_hw_ani_init(struct ath_hw *ah + * since we expect some ongoing maintenance on the tables, let's sanity + * check here default level should not modify INI setting. + */ +- if (AR_SREV_9300_20_OR_LATER(ah) || modparam_force_new_ani) { ++ if (use_new_ani(ah)) { + const struct ani_ofdm_level_entry *entry_ofdm; + const struct ani_cck_level_entry *entry_cck; + diff --git a/package/mac80211/patches/552-ath9k_fix_ani_listen_time.patch b/package/mac80211/patches/552-ath9k_fix_ani_listen_time.patch new file mode 100644 index 000000000..9d83a0226 --- /dev/null +++ b/package/mac80211/patches/552-ath9k_fix_ani_listen_time.patch @@ -0,0 +1,11 @@ +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -547,7 +547,7 @@ static u8 ath9k_hw_chan_2_clockrate_mhz( + if (conf_is_ht40(conf)) + return clockrate * 2; + +- return clockrate * 2; ++ return clockrate; + } + + static int32_t ath9k_hw_ani_get_listen_time(struct ath_hw *ah)