From: Sujith Manoharan Date: Wed, 11 Sep 2013 11:06:31 +0000 (+0530) Subject: ath9k: Use bitops for calibration flags X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b9b42bfe08fa369c4f51f00d5f349b32242cd8c;p=linux-beck.git ath9k: Use bitops for calibration flags Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 9f589744a9f9..32376ad74011 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -671,7 +671,7 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah, nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF); if (ah->caldata) - nfcal_pending = ah->caldata->nfcal_pending; + nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags); if (currCal && !nfcal && (currCal->calState == CAL_RUNNING || @@ -861,7 +861,7 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) ar9002_hw_pa_cal(ah, true); if (ah->caldata) - ah->caldata->nfcal_pending = true; + set_bit(NFCAL_PENDING, &ah->caldata->cal_flags); ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 6001bc0ebc55..687173c8d280 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -727,8 +727,12 @@ static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah, REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0, AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x1); - if (caldata) - caldata->done_txiqcal_once = is_reusable; + if (caldata) { + if (is_reusable) + set_bit(TXIQCAL_DONE, &caldata->cal_flags); + else + clear_bit(TXIQCAL_DONE, &caldata->cal_flags); + } return; } @@ -990,7 +994,7 @@ static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable) txclcal_done = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_CLC_SUCCESS); - if (caldata->done_txclcal_once) { + if (test_bit(TXCLCAL_DONE, &caldata->cal_flags)) { for (i = 0; i < AR9300_MAX_CHAINS; i++) { if (!(ah->txchainmask & (1 << i))) continue; @@ -1006,7 +1010,7 @@ static void ar9003_hw_cl_cal_post_proc(struct ath_hw *ah, bool is_reusable) caldata->tx_clcal[i][j] = REG_READ(ah, CL_TAB_ENTRY(cl_idx[i])); } - caldata->done_txclcal_once = true; + set_bit(TXCLCAL_DONE, &caldata->cal_flags); } } @@ -1053,7 +1057,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, } if (ah->enabled_cals & TX_CL_CAL) { - if (caldata && caldata->done_txclcal_once) + if (caldata && test_bit(TXCLCAL_DONE, &caldata->cal_flags)) REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL, AR_PHY_CL_CAL_ENABLE); else { @@ -1077,14 +1081,14 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, * AGC calibration */ if (ah->enabled_cals & TX_IQ_ON_AGC_CAL) { - if (caldata && !caldata->done_txiqcal_once) + if (caldata && !test_bit(TXIQCAL_DONE, &caldata->cal_flags)) REG_SET_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0, AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL); else REG_CLR_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0, AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL); txiqcal_done = run_agc_cal = true; - } else if (caldata && !caldata->done_txiqcal_once) { + } else if (caldata && !test_bit(TXIQCAL_DONE, &caldata->cal_flags)) { run_agc_cal = true; sep_iq_cal = true; } @@ -1148,7 +1152,7 @@ skip_tx_iqcal: if (txiqcal_done) ar9003_hw_tx_iq_cal_post_proc(ah, is_reusable); - else if (caldata && caldata->done_txiqcal_once) + else if (caldata && test_bit(TXIQCAL_DONE, &caldata->cal_flags)) ar9003_hw_tx_iq_cal_reload(ah); ar9003_hw_cl_cal_post_proc(ah, is_reusable); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 8dd069259e7b..7b94a6c7db3d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -753,9 +753,9 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan, 1 << AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT); if (caldata) { - caldata->done_txiqcal_once = false; - caldata->done_txclcal_once = false; - caldata->rtt_done = false; + clear_bit(TXIQCAL_DONE, &caldata->cal_flags); + clear_bit(TXCLCAL_DONE, &caldata->cal_flags); + clear_bit(RTT_DONE, &caldata->cal_flags); } if (!ath9k_hw_init_cal(ah, chan)) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c index 74de3539c2c8..e398c1812977 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_rtt.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_rtt.c @@ -161,7 +161,7 @@ void ar9003_hw_rtt_fill_hist(struct ath_hw *ah) } } - ah->caldata->rtt_done = true; + set_bit(RTT_DONE, &ah->caldata->cal_flags); } void ar9003_hw_rtt_clear_hist(struct ath_hw *ah) @@ -176,7 +176,7 @@ void ar9003_hw_rtt_clear_hist(struct ath_hw *ah) } if (ah->caldata) - ah->caldata->rtt_done = false; + clear_bit(RTT_DONE, &ah->caldata->cal_flags); } bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan) @@ -186,7 +186,7 @@ bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan) if (!ah->caldata) return false; - if (!ah->caldata->rtt_done) + if (!test_bit(RTT_DONE, &ah->caldata->cal_flags)) return false; ar9003_hw_rtt_enable(ah); diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index 5e8219a91e25..d438a0341e68 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -119,7 +119,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah, ath_dbg(common, CALIBRATE, "NFmid[%d] (%d) > MAX (%d), %s\n", i, h[i].privNF, limit->max, - (cal->nfcal_interference ? + (test_bit(NFCAL_INTF, &cal->cal_flags) ? "not corrected (due to interference)" : "correcting to MAX")); @@ -130,7 +130,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah, * we bypass this limit here in order to better deal * with our environment. */ - if (!cal->nfcal_interference) + if (!test_bit(NFCAL_INTF, &cal->cal_flags)) h[i].privNF = limit->max; } } @@ -141,7 +141,7 @@ static void ath9k_hw_update_nfcal_hist_buffer(struct ath_hw *ah, * Re-enable the enforcement of the NF maximum again. */ if (!high_nf_mid) - cal->nfcal_interference = false; + clear_bit(NFCAL_INTF, &cal->cal_flags); } static bool ath9k_hw_get_nf_thresh(struct ath_hw *ah, @@ -220,7 +220,7 @@ EXPORT_SYMBOL(ath9k_hw_reset_calvalid); void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update) { if (ah->caldata) - ah->caldata->nfcal_pending = true; + set_bit(NFCAL_PENDING, &ah->caldata->cal_flags); REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_ENABLE_NF); @@ -391,7 +391,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan) } h = caldata->nfCalHist; - caldata->nfcal_pending = false; + clear_bit(NFCAL_PENDING, &caldata->cal_flags); ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray); chan->noisefloor = h[0].privNF; ah->noise = ath9k_hw_getchan_noise(ah, chan); @@ -437,12 +437,12 @@ void ath9k_hw_bstuck_nfcal(struct ath_hw *ah) * the baseband update the internal NF value itself, similar to * what is being done after a full reset. */ - if (!caldata->nfcal_pending) + if (!test_bit(NFCAL_PENDING, &caldata->cal_flags)) ath9k_hw_start_nfcal(ah, true); else if (!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF)) ath9k_hw_getnf(ah, ah->curchan); - caldata->nfcal_interference = true; + set_bit(NFCAL_INTF, &caldata->cal_flags); } EXPORT_SYMBOL(ath9k_hw_bstuck_nfcal); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index d3206ab40297..f11e8389a9be 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1847,9 +1847,9 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan) * re-using are present. */ if (AR_SREV_9462(ah) && (ah->caldata && - (!ah->caldata->done_txiqcal_once || - !ah->caldata->done_txclcal_once || - !ah->caldata->rtt_done))) + (!test_bit(TXIQCAL_DONE, &ah->caldata->cal_flags) || + !test_bit(TXCLCAL_DONE, &ah->caldata->cal_flags) || + !test_bit(RTT_DONE, &ah->caldata->cal_flags)))) goto fail; ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n", @@ -1905,7 +1905,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, memset(caldata, 0, sizeof(*caldata)); ath9k_init_nfcal_hist_buffer(ah, chan); } else if (caldata) { - caldata->paprd_packet_sent = false; + clear_bit(PAPRD_PACKET_SENT, &caldata->cal_flags); } ah->noise = ath9k_hw_getchan_noise(ah, chan); @@ -2042,8 +2042,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, ath9k_hw_init_bb(ah, chan); if (caldata) { - caldata->done_txiqcal_once = false; - caldata->done_txclcal_once = false; + clear_bit(TXIQCAL_DONE, &caldata->cal_flags); + clear_bit(TXCLCAL_DONE, &caldata->cal_flags); } if (!ath9k_hw_init_cal(ah, chan)) return -EIO; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 5376011d5200..e5e927020945 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -404,20 +404,24 @@ enum ath9k_int { #define MAX_CL_TAB_ENTRY 16 #define CL_TAB_ENTRY(reg_base) (reg_base + (4 * j)) +enum ath9k_cal_flags { + RTT_DONE, + PAPRD_PACKET_SENT, + PAPRD_DONE, + NFCAL_PENDING, + NFCAL_INTF, + TXIQCAL_DONE, + TXCLCAL_DONE, +}; + struct ath9k_hw_cal_data { u16 channel; u32 channelFlags; u32 chanmode; + unsigned long cal_flags; int32_t CalValid; int8_t iCoff; int8_t qCoff; - bool rtt_done; - bool paprd_packet_sent; - bool paprd_done; - bool nfcal_pending; - bool nfcal_interference; - bool done_txiqcal_once; - bool done_txclcal_once; u16 small_signal_gain[AR9300_MAX_CHAINS]; u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ]; u32 num_measures[AR9300_MAX_CHAINS]; diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index 2f831db396ac..84a60644f93a 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -184,7 +184,7 @@ static void ath_paprd_activate(struct ath_softc *sc) struct ath9k_hw_cal_data *caldata = ah->caldata; int chain; - if (!caldata || !caldata->paprd_done) { + if (!caldata || !test_bit(PAPRD_DONE, &caldata->cal_flags)) { ath_dbg(common, CALIBRATE, "Failed to activate PAPRD\n"); return; } @@ -256,7 +256,9 @@ void ath_paprd_calibrate(struct work_struct *work) int len = 1800; int ret; - if (!caldata || !caldata->paprd_packet_sent || caldata->paprd_done) { + if (!caldata || + !test_bit(PAPRD_PACKET_SENT, &caldata->cal_flags) || + test_bit(PAPRD_DONE, &caldata->cal_flags)) { ath_dbg(common, CALIBRATE, "Skipping PAPRD calibration\n"); return; } @@ -316,7 +318,7 @@ void ath_paprd_calibrate(struct work_struct *work) kfree_skb(skb); if (chain_ok) { - caldata->paprd_done = true; + set_bit(PAPRD_DONE, &caldata->cal_flags); ath_paprd_activate(sc); } @@ -343,7 +345,7 @@ void ath_ani_calibrate(unsigned long data) u32 cal_interval, short_cal_interval, long_cal_interval; unsigned long flags; - if (ah->caldata && ah->caldata->nfcal_interference) + if (ah->caldata && test_bit(NFCAL_INTF, &ah->caldata->cal_flags)) long_cal_interval = ATH_LONG_CALINTERVAL_INT; else long_cal_interval = ATH_LONG_CALINTERVAL; @@ -432,7 +434,7 @@ set_timer: mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); if (ar9003_is_paprd_enabled(ah) && ah->caldata) { - if (!ah->caldata->paprd_done) { + if (!test_bit(PAPRD_DONE, &ah->caldata->cal_flags)) { ieee80211_queue_work(sc->hw, &sc->paprd_work); } else if (!ah->paprd_table_write_done) { ath9k_ps_wakeup(sc); diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 35b515fe3ffa..62c93a655df9 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2315,7 +2315,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb); if (sc->sc_ah->caldata) - sc->sc_ah->caldata->paprd_packet_sent = true; + set_bit(PAPRD_PACKET_SENT, &sc->sc_ah->caldata->cal_flags); if (!(tx_flags & ATH_TX_ERROR)) /* Frame was ACKed */