diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/ath9k/ath9k.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 68 | ||||
-rw-r--r-- | drivers/net/wireless/ath9k/main.c | 110 | ||||
-rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 16 |
4 files changed, 74 insertions, 127 deletions
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h index d2781350295..0f6a99a3f21 100644 --- a/drivers/net/wireless/ath9k/ath9k.h +++ b/drivers/net/wireless/ath9k/ath9k.h @@ -843,11 +843,8 @@ void ath9k_hw_rfdetach(struct ath_hal *ah); /* HW Reset */ -bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, - enum ath9k_ht_macmode macmode, - u8 txchainmask, u8 rxchainmask, - enum ath9k_ht_extprotspacing extprotspacing, - bool bChannelChange, int *status); +int ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, + bool bChannelChange); /* Key Cache Management */ diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 34474edefc9..46029ec1354 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -2222,23 +2222,20 @@ static void ath9k_hw_spur_mitigate(struct ath_hal *ah, struct ath9k_channel *cha REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask); } -bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, - enum ath9k_ht_macmode macmode, - u8 txchainmask, u8 rxchainmask, - enum ath9k_ht_extprotspacing extprotspacing, - bool bChannelChange, int *status) +int ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, + bool bChannelChange) { u32 saveLedState; + struct ath_softc *sc = ah->ah_sc; struct ath_hal_5416 *ahp = AH5416(ah); struct ath9k_channel *curchan = ah->ah_curchan; u32 saveDefAntenna; u32 macStaId1; - int ecode; - int i, rx_chainmask; + int i, rx_chainmask, r; - ahp->ah_extprotspacing = extprotspacing; - ahp->ah_txchainmask = txchainmask; - ahp->ah_rxchainmask = rxchainmask; + ahp->ah_extprotspacing = sc->sc_ht_extprotspacing; + ahp->ah_txchainmask = sc->sc_tx_chainmask; + ahp->ah_rxchainmask = sc->sc_rx_chainmask; if (AR_SREV_9280(ah)) { ahp->ah_txchainmask &= 0x3; @@ -2249,14 +2246,11 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, "invalid channel %u/0x%x; no mapping\n", chan->channel, chan->channelFlags); - ecode = -EINVAL; - goto bad; + return -EINVAL; } - if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) { - ecode = -EIO; - goto bad; - } + if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) + return -EIO; if (curchan) ath9k_hw_getnf(ah, curchan); @@ -2270,10 +2264,10 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) && !IS_CHAN_A_5MHZ_SPACED(ah->ah_curchan)))) { - if (ath9k_hw_channel_change(ah, chan, macmode)) { + if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) { ath9k_hw_loadnf(ah, ah->ah_curchan); ath9k_hw_start_nfcal(ah); - return true; + return 0; } } @@ -2291,8 +2285,7 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, if (!ath9k_hw_chip_reset(ah, chan)) { DPRINTF(ah->ah_sc, ATH_DBG_RESET, "chip reset failed\n"); - ecode = -EINVAL; - goto bad; + return -EINVAL; } if (AR_SREV_9280(ah)) { @@ -2308,11 +2301,9 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT); } - ecode = ath9k_hw_process_ini(ah, chan, macmode); - if (ecode != 0) { - ecode = -EINVAL; - goto bad; - } + r = ath9k_hw_process_ini(ah, chan, sc->tx_chan_width); + if (r) + return r; if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan)) ath9k_hw_set_delta_slope(ah, chan); @@ -2325,8 +2316,7 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, if (!ath9k_hw_eeprom_set_board_values(ah, chan)) { DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "error setting board options\n"); - ecode = -EIO; - goto bad; + return -EIO; } ath9k_hw_decrease_chain_power(ah, chan); @@ -2354,15 +2344,11 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); if (AR_SREV_9280_10_OR_LATER(ah)) { - if (!(ath9k_hw_ar9280_set_channel(ah, chan))) { - ecode = -EIO; - goto bad; - } + if (!(ath9k_hw_ar9280_set_channel(ah, chan))) + return -EIO; } else { - if (!(ath9k_hw_set_channel(ah, chan))) { - ecode = -EIO; - goto bad; - } + if (!(ath9k_hw_set_channel(ah, chan))) + return -EIO; } for (i = 0; i < AR_NUM_DCU; i++) @@ -2396,10 +2382,8 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, ath9k_hw_init_bb(ah, chan); - if (!ath9k_hw_init_cal(ah, chan)){ - ecode = -EIO;; - goto bad; - } + if (!ath9k_hw_init_cal(ah, chan)) + return -EIO;; rx_chainmask = ahp->ah_rxchainmask; if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) { @@ -2428,11 +2412,7 @@ bool ath9k_hw_reset(struct ath_hal *ah, struct ath9k_channel *chan, #endif } - return true; -bad: - if (status) - *status = ecode; - return false; + return 0; } /************************/ diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 0087a907aac..c65b27bd9f5 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -260,6 +260,8 @@ static int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan) struct ath_hal *ah = sc->sc_ah; bool fastcc = true, stopped; struct ieee80211_hw *hw = sc->hw; + struct ieee80211_channel *channel = hw->conf.channel; + int r; if (sc->sc_flags & SC_OP_INVALID) return -EIO; @@ -268,7 +270,6 @@ static int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan) hchan->channelFlags != sc->sc_ah->ah_curchan->channelFlags || (sc->sc_flags & SC_OP_CHAINMASK_UPDATE) || (sc->sc_flags & SC_OP_FULL_RESET)) { - int status; /* * This is only performed if the channel settings have * actually changed. @@ -290,22 +291,20 @@ static int ath_set_channel(struct ath_softc *sc, struct ath9k_channel *hchan) fastcc = false; DPRINTF(sc, ATH_DBG_CONFIG, - "(%u MHz) -> (%u MHz), cflags:%x, chanwidth: %d\n", + "(%u MHz) -> (%u MHz), chanwidth: %d\n", sc->sc_ah->ah_curchan->channel, - hchan->channel, hchan->channelFlags, sc->tx_chan_width); + channel->center_freq, sc->tx_chan_width); spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(ah, hchan, sc->tx_chan_width, - sc->sc_tx_chainmask, sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, fastcc, &status)) { + + r = ath9k_hw_reset(ah, hchan, fastcc); + if (r) { DPRINTF(sc, ATH_DBG_FATAL, - "Unable to reset channel %u (%uMhz) " - "flags 0x%x hal status %u\n", - ath9k_hw_mhz2ieee(ah, hchan->channel, - hchan->channelFlags), - hchan->channel, hchan->channelFlags, status); + "Unable to reset channel (%u Mhz) " + "reset status %u\n", + channel->center_freq, r); spin_unlock_bh(&sc->sc_resetlock); - return -EIO; + return r; } spin_unlock_bh(&sc->sc_resetlock); @@ -1069,23 +1068,18 @@ fail: static void ath_radio_enable(struct ath_softc *sc) { struct ath_hal *ah = sc->sc_ah; - int status; + struct ieee80211_channel *channel = sc->hw->conf.channel; + int r; spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(ah, ah->ah_curchan, - sc->tx_chan_width, - sc->sc_tx_chainmask, - sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, - false, &status)) { + + r = ath9k_hw_reset(ah, ah->ah_curchan, false); + + if (r) { DPRINTF(sc, ATH_DBG_FATAL, - "Unable to reset channel %u (%uMhz) " - "flags 0x%x hal status %u\n", - ath9k_hw_mhz2ieee(ah, - ah->ah_curchan->channel, - ah->ah_curchan->channelFlags), - ah->ah_curchan->channel, - ah->ah_curchan->channelFlags, status); + "Unable to reset channel %u (%uMhz) ", + "reset status %u\n", + channel->center_freq, r); } spin_unlock_bh(&sc->sc_resetlock); @@ -1113,8 +1107,8 @@ static void ath_radio_enable(struct ath_softc *sc) static void ath_radio_disable(struct ath_softc *sc) { struct ath_hal *ah = sc->sc_ah; - int status; - + struct ieee80211_channel *channel = sc->hw->conf.channel; + int r; ieee80211_stop_queues(sc->hw); @@ -1130,20 +1124,12 @@ static void ath_radio_disable(struct ath_softc *sc) ath_flushrecv(sc); /* flush recv queue */ spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(ah, ah->ah_curchan, - sc->tx_chan_width, - sc->sc_tx_chainmask, - sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, - false, &status)) { + r = ath9k_hw_reset(ah, ah->ah_curchan, false); + if (r) { DPRINTF(sc, ATH_DBG_FATAL, "Unable to reset channel %u (%uMhz) " - "flags 0x%x hal status %u\n", - ath9k_hw_mhz2ieee(ah, - ah->ah_curchan->channel, - ah->ah_curchan->channelFlags), - ah->ah_curchan->channel, - ah->ah_curchan->channelFlags, status); + "reset status %u\n", + channel->center_freq, r); } spin_unlock_bh(&sc->sc_resetlock); @@ -1622,8 +1608,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) { struct ath_hal *ah = sc->sc_ah; struct ieee80211_hw *hw = sc->hw; - int status; - int error = 0; + int r; ath9k_hw_set_interrupts(ah, 0); ath_draintxq(sc, retry_tx); @@ -1631,14 +1616,10 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) ath_flushrecv(sc); spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(ah, sc->sc_ah->ah_curchan, - sc->tx_chan_width, - sc->sc_tx_chainmask, sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, false, &status)) { + r = ath9k_hw_reset(ah, sc->sc_ah->ah_curchan, false); + if (r) DPRINTF(sc, ATH_DBG_FATAL, - "Unable to reset hardware; hal status %u\n", status); - error = -EIO; - } + "Unable to reset hardware; reset status %u\n", r); spin_unlock_bh(&sc->sc_resetlock); if (ath_startrecv(sc) != 0) @@ -1669,7 +1650,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) } } - return error; + return r; } /* @@ -1852,7 +1833,7 @@ static int ath9k_start(struct ieee80211_hw *hw) struct ath_softc *sc = hw->priv; struct ieee80211_channel *curchan = hw->conf.channel; struct ath9k_channel *init_channel; - int error = 0, pos, status; + int r, pos; DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with " "initial channel: %d MHz\n", curchan->center_freq); @@ -1862,8 +1843,7 @@ static int ath9k_start(struct ieee80211_hw *hw) pos = ath_get_channel(sc, curchan); if (pos == -1) { DPRINTF(sc, ATH_DBG_FATAL, "Invalid channel: %d\n", curchan->center_freq); - error = -EINVAL; - goto error; + return -EINVAL; } sc->tx_chan_width = ATH9K_HT_MACMODE_20; @@ -1882,17 +1862,14 @@ static int ath9k_start(struct ieee80211_hw *hw) * and then setup of the interrupt mask. */ spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(sc->sc_ah, init_channel, - sc->tx_chan_width, - sc->sc_tx_chainmask, sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, false, &status)) { + r = ath9k_hw_reset(sc->sc_ah, init_channel, false); + if (r) { DPRINTF(sc, ATH_DBG_FATAL, - "Unable to reset hardware; hal status %u " - "(freq %u flags 0x%x)\n", status, - init_channel->channel, init_channel->channelFlags); - error = -EIO; + "Unable to reset hardware; reset status %u " + "(freq %u MHz)\n", r, + curchan->center_freq); spin_unlock_bh(&sc->sc_resetlock); - goto error; + return r; } spin_unlock_bh(&sc->sc_resetlock); @@ -1912,8 +1889,7 @@ static int ath9k_start(struct ieee80211_hw *hw) if (ath_startrecv(sc) != 0) { DPRINTF(sc, ATH_DBG_FATAL, "Unable to start recv logic\n"); - error = -EIO; - goto error; + return -EIO; } /* Setup our intr mask. */ @@ -1957,11 +1933,9 @@ static int ath9k_start(struct ieee80211_hw *hw) ieee80211_wake_queues(sc->hw); #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE) - error = ath_start_rfkill_poll(sc); + r = ath_start_rfkill_poll(sc); #endif - -error: - return error; + return r; } static int ath9k_tx(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 3e192fd9591..e28889bc0ac 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -1140,7 +1140,7 @@ static void ath_tx_stopdma(struct ath_softc *sc, struct ath_txq *txq) static void ath_drain_txdataq(struct ath_softc *sc, bool retry_tx) { struct ath_hal *ah = sc->sc_ah; - int i, status, npend = 0; + int i, npend = 0; if (!(sc->sc_flags & SC_OP_INVALID)) { for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { @@ -1155,20 +1155,16 @@ static void ath_drain_txdataq(struct ath_softc *sc, bool retry_tx) } if (npend) { + int r; /* TxDMA not stopped, reset the hal */ DPRINTF(sc, ATH_DBG_XMIT, "Unable to stop TxDMA. Reset HAL!\n"); spin_lock_bh(&sc->sc_resetlock); - if (!ath9k_hw_reset(ah, - sc->sc_ah->ah_curchan, - sc->tx_chan_width, - sc->sc_tx_chainmask, sc->sc_rx_chainmask, - sc->sc_ht_extprotspacing, true, &status)) { - + r = ath9k_hw_reset(ah, sc->sc_ah->ah_curchan, true); + if (r) DPRINTF(sc, ATH_DBG_FATAL, - "Unable to reset hardware; hal status %u\n", - status); - } + "Unable to reset hardware; reset status %u\n", + r); spin_unlock_bh(&sc->sc_resetlock); } |