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ath9k: rework radio stop/start cleanup, avoid duplicate rx/tx stop, avoid early phy stop
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29132 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
639cf75264
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10c40322a2
@ -1,26 +1,5 @@
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -124,14 +124,14 @@ void ath9k_ps_restore(struct ath_softc *
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!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
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PS_WAIT_FOR_CAB |
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PS_WAIT_FOR_PSPOLL_DATA |
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- PS_WAIT_FOR_TX_ACK)))
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+ PS_WAIT_FOR_TX_ACK))) {
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mode = ATH9K_PM_NETWORK_SLEEP;
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- else
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- goto unlock;
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- spin_lock(&common->cc_lock);
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- ath_hw_cycle_counters_update(common);
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- spin_unlock(&common->cc_lock);
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+ spin_lock(&common->cc_lock);
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+ ath_hw_cycle_counters_update(common);
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+ spin_unlock(&common->cc_lock);
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+ } else
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+ goto unlock;
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ath9k_hw_setpower(sc->sc_ah, mode);
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@@ -880,82 +880,6 @@ chip_reset:
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#undef SCHED_INTR
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}
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@ -131,24 +110,25 @@
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spin_unlock_bh(&sc->sc_pcu_lock);
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if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
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@@ -1260,9 +1197,6 @@ static void ath9k_stop(struct ieee80211_
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sc->rx.frag = NULL;
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}
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@@ -1248,33 +1185,39 @@ static void ath9k_stop(struct ieee80211_
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* before setting the invalid flag. */
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ath9k_hw_disable_interrupts(ah);
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- /* disable HAL and put h/w to sleep */
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- ath9k_hw_disable(ah);
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-
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spin_unlock_bh(&sc->sc_pcu_lock);
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/* we can now sync irq and kill any running tasklets, since we already
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@@ -1271,10 +1205,27 @@ static void ath9k_stop(struct ieee80211_
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tasklet_kill(&sc->intr_tq);
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tasklet_kill(&sc->bcon_tasklet);
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- ath9k_ps_restore(sc);
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-
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sc->ps_idle = true;
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- ath_radio_disable(sc, hw);
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- if (!(sc->sc_flags & SC_OP_INVALID)) {
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- ath_drain_all_txq(sc, false);
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- ath_stoprecv(sc);
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- ath9k_hw_phy_disable(ah);
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- } else
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- sc->rx.rxlink = NULL;
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+ spin_unlock_bh(&sc->sc_pcu_lock);
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+
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+ /* we can now sync irq and kill any running tasklets, since we already
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+ * disabled interrupts and not holding a spin lock */
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+ synchronize_irq(sc->irq);
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+ tasklet_kill(&sc->intr_tq);
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+ tasklet_kill(&sc->bcon_tasklet);
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+
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+ sc->ps_idle = true;
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+
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+ spin_lock_bh(&sc->sc_pcu_lock);
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+
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@ -156,23 +136,38 @@
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+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
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+
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+ ath_prepare_reset(sc, false, true);
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+
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if (sc->rx.frag) {
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dev_kfree_skb_any(sc->rx.frag);
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sc->rx.frag = NULL;
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}
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- /* disable HAL and put h/w to sleep */
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- ath9k_hw_disable(ah);
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+ if (!ah->curchan)
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+ ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
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+
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- spin_unlock_bh(&sc->sc_pcu_lock);
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+ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
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+ ath9k_hw_phy_disable(ah);
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+ ath9k_hw_disable(ah);
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+
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- /* we can now sync irq and kill any running tasklets, since we already
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- * disabled interrupts and not holding a spin lock */
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- synchronize_irq(sc->irq);
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- tasklet_kill(&sc->intr_tq);
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- tasklet_kill(&sc->bcon_tasklet);
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+ ath9k_hw_configpcipowersave(ah, true);
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+
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- ath9k_ps_restore(sc);
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+ spin_unlock_bh(&sc->sc_pcu_lock);
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+
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- sc->ps_idle = true;
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- ath_radio_disable(sc, hw);
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+ ath9k_ps_restore(sc);
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sc->sc_flags |= SC_OP_INVALID;
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@@ -1598,8 +1549,8 @@ static int ath9k_config(struct ieee80211
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@@ -1598,8 +1541,8 @@ static int ath9k_config(struct ieee80211
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struct ath_hw *ah = sc->sc_ah;
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struct ath_common *common = ath9k_hw_common(ah);
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struct ieee80211_conf *conf = &hw->conf;
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@ -182,7 +177,7 @@
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mutex_lock(&sc->mutex);
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/*
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@@ -1608,16 +1559,8 @@ static int ath9k_config(struct ieee80211
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@@ -1608,16 +1551,8 @@ static int ath9k_config(struct ieee80211
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* of the changes. Likewise we must only disable the radio towards
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* the end.
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*/
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@ -200,7 +195,7 @@
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/*
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* We just prepare to enable PS. We have to wait until our AP has
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@@ -1742,19 +1685,13 @@ static int ath9k_config(struct ieee80211
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@@ -1742,19 +1677,13 @@ static int ath9k_config(struct ieee80211
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ath_dbg(common, ATH_DBG_CONFIG,
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"Set power: %d\n", conf->power_level);
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sc->config.txpowlimit = 2 * conf->power_level;
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@ -223,34 +218,21 @@
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}
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--- a/drivers/net/wireless/ath/ath9k/pci.c
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+++ b/drivers/net/wireless/ath/ath9k/pci.c
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@@ -302,26 +302,12 @@ static void ath_pci_remove(struct pci_de
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@@ -306,12 +306,11 @@ static int ath_pci_suspend(struct device
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struct ieee80211_hw *hw = pci_get_drvdata(pdev);
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struct ath_softc *sc = hw->priv;
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static int ath_pci_suspend(struct device *device)
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{
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- struct pci_dev *pdev = to_pci_dev(device);
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- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
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- struct ath_softc *sc = hw->priv;
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-
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- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
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-
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- /* The device has to be moved to FULLSLEEP forcibly.
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- * Otherwise the chip never moved to full sleep,
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- * when no interface is up.
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- */
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- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
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-
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/* The device has to be moved to FULLSLEEP forcibly.
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* Otherwise the chip never moved to full sleep,
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* when no interface is up.
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*/
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+ ath9k_hw_disable(sc->sc_ah);
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ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
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return 0;
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}
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static int ath_pci_resume(struct device *device)
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{
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struct pci_dev *pdev = to_pci_dev(device);
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- struct ieee80211_hw *hw = pci_get_drvdata(pdev);
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- struct ath_softc *sc = hw->priv;
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u32 val;
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/*
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@@ -333,22 +319,6 @@ static int ath_pci_resume(struct device
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@@ -333,22 +332,6 @@ static int ath_pci_resume(struct device
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if ((val & 0x0000ff00) != 0)
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pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
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@ -1,6 +1,6 @@
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -2259,9 +2259,6 @@ static void ath9k_flush(struct ieee80211
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@@ -2251,9 +2251,6 @@ static void ath9k_flush(struct ieee80211
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return;
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}
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@ -10,7 +10,7 @@
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for (j = 0; j < timeout; j++) {
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bool npend = false;
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@@ -2279,21 +2276,22 @@ static void ath9k_flush(struct ieee80211
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@@ -2271,21 +2268,22 @@ static void ath9k_flush(struct ieee80211
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}
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if (!npend)
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@ -15,7 +15,7 @@
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/*
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* Reset key cache to sane defaults (all entries cleared) instead of
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@@ -1209,8 +1211,10 @@ static void ath9k_stop(struct ieee80211_
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@@ -1197,8 +1199,10 @@ static void ath9k_stop(struct ieee80211_
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spin_lock_bh(&sc->sc_pcu_lock);
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