From ccd11de0ba26fb0f2f95e5936820a382c30ab43a Mon Sep 17 00:00:00 2001 From: nbd Date: Tue, 15 Nov 2011 14:53:21 +0000 Subject: ath9k: reorganize patches, reset hardware after full sleep (fixes #10349) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29155 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches/560-ath9k_fix_radio_stop.patch | 257 --------------------- 1 file changed, 257 deletions(-) delete mode 100644 package/mac80211/patches/560-ath9k_fix_radio_stop.patch (limited to 'package/mac80211/patches/560-ath9k_fix_radio_stop.patch') diff --git a/package/mac80211/patches/560-ath9k_fix_radio_stop.patch b/package/mac80211/patches/560-ath9k_fix_radio_stop.patch deleted file mode 100644 index 2367ffa6a..000000000 --- a/package/mac80211/patches/560-ath9k_fix_radio_stop.patch +++ /dev/null @@ -1,257 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -880,82 +880,6 @@ chip_reset: - #undef SCHED_INTR - } - --static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) --{ -- struct ath_hw *ah = sc->sc_ah; -- struct ath_common *common = ath9k_hw_common(ah); -- struct ieee80211_channel *channel = hw->conf.channel; -- int r; -- -- ath9k_ps_wakeup(sc); -- spin_lock_bh(&sc->sc_pcu_lock); -- atomic_set(&ah->intr_ref_cnt, -1); -- -- ath9k_hw_configpcipowersave(ah, false); -- -- if (!ah->curchan) -- ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah); -- -- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); -- if (r) { -- ath_err(common, -- "Unable to reset channel (%u MHz), reset status %d\n", -- channel->center_freq, r); -- } -- -- ath_complete_reset(sc, true); -- -- /* Enable LED */ -- ath9k_hw_cfg_output(ah, ah->led_pin, -- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -- ath9k_hw_set_gpio(ah, ah->led_pin, 0); -- -- spin_unlock_bh(&sc->sc_pcu_lock); -- -- ath9k_ps_restore(sc); --} -- --void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) --{ -- struct ath_hw *ah = sc->sc_ah; -- struct ieee80211_channel *channel = hw->conf.channel; -- int r; -- -- ath9k_ps_wakeup(sc); -- -- ath_cancel_work(sc); -- -- spin_lock_bh(&sc->sc_pcu_lock); -- -- /* -- * Keep the LED on when the radio is disabled -- * during idle unassociated state. -- */ -- if (!sc->ps_idle) { -- ath9k_hw_set_gpio(ah, ah->led_pin, 1); -- ath9k_hw_cfg_gpio_input(ah, ah->led_pin); -- } -- -- ath_prepare_reset(sc, false, true); -- -- if (!ah->curchan) -- ah->curchan = ath9k_cmn_get_curchannel(hw, ah); -- -- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); -- if (r) { -- ath_err(ath9k_hw_common(sc->sc_ah), -- "Unable to reset channel (%u MHz), reset status %d\n", -- channel->center_freq, r); -- } -- -- ath9k_hw_phy_disable(ah); -- -- ath9k_hw_configpcipowersave(ah, true); -- -- spin_unlock_bh(&sc->sc_pcu_lock); -- ath9k_ps_restore(sc); --} -- - static int ath_reset(struct ath_softc *sc, bool retry_tx) - { - int r; -@@ -1091,6 +1015,9 @@ static int ath9k_start(struct ieee80211_ - * and then setup of the interrupt mask. - */ - spin_lock_bh(&sc->sc_pcu_lock); -+ -+ atomic_set(&ah->intr_ref_cnt, -1); -+ - r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); - if (r) { - ath_err(common, -@@ -1129,6 +1056,16 @@ static int ath9k_start(struct ieee80211_ - goto mutex_unlock; - } - -+ ath9k_hw_cfg_output(ah, ah->led_pin, -+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -+ ath9k_hw_set_gpio(ah, ah->led_pin, 0); -+ -+ /* -+ * Reset key cache to sane defaults (all entries cleared) instead of -+ * semi-random values after suspend/resume. -+ */ -+ ath9k_cmn_init_crypto(sc->sc_ah); -+ - spin_unlock_bh(&sc->sc_pcu_lock); - - if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && -@@ -1248,33 +1185,39 @@ static void ath9k_stop(struct ieee80211_ - * before setting the invalid flag. */ - ath9k_hw_disable_interrupts(ah); - -- if (!(sc->sc_flags & SC_OP_INVALID)) { -- ath_drain_all_txq(sc, false); -- ath_stoprecv(sc); -- ath9k_hw_phy_disable(ah); -- } else -- sc->rx.rxlink = NULL; -+ spin_unlock_bh(&sc->sc_pcu_lock); -+ -+ /* we can now sync irq and kill any running tasklets, since we already -+ * disabled interrupts and not holding a spin lock */ -+ synchronize_irq(sc->irq); -+ tasklet_kill(&sc->intr_tq); -+ tasklet_kill(&sc->bcon_tasklet); -+ -+ sc->ps_idle = true; -+ -+ spin_lock_bh(&sc->sc_pcu_lock); -+ -+ ath9k_hw_set_gpio(ah, ah->led_pin, 1); -+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin); -+ -+ ath_prepare_reset(sc, false, true); - - if (sc->rx.frag) { - dev_kfree_skb_any(sc->rx.frag); - sc->rx.frag = NULL; - } - -- /* disable HAL and put h/w to sleep */ -- ath9k_hw_disable(ah); -+ if (!ah->curchan) -+ ah->curchan = ath9k_cmn_get_curchannel(hw, ah); - -- spin_unlock_bh(&sc->sc_pcu_lock); -+ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); -+ ath9k_hw_phy_disable(ah); - -- /* we can now sync irq and kill any running tasklets, since we already -- * disabled interrupts and not holding a spin lock */ -- synchronize_irq(sc->irq); -- tasklet_kill(&sc->intr_tq); -- tasklet_kill(&sc->bcon_tasklet); -+ ath9k_hw_configpcipowersave(ah, true); - -- ath9k_ps_restore(sc); -+ spin_unlock_bh(&sc->sc_pcu_lock); - -- sc->ps_idle = true; -- ath_radio_disable(sc, hw); -+ ath9k_ps_restore(sc); - - sc->sc_flags |= SC_OP_INVALID; - -@@ -1598,8 +1541,8 @@ static int ath9k_config(struct ieee80211 - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_conf *conf = &hw->conf; -- bool disable_radio = false; - -+ ath9k_ps_wakeup(sc); - mutex_lock(&sc->mutex); - - /* -@@ -1608,16 +1551,8 @@ static int ath9k_config(struct ieee80211 - * of the changes. Likewise we must only disable the radio towards - * the end. - */ -- if (changed & IEEE80211_CONF_CHANGE_IDLE) { -+ if (changed & IEEE80211_CONF_CHANGE_IDLE) - sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE); -- if (!sc->ps_idle) { -- ath_radio_enable(sc, hw); -- ath_dbg(common, ATH_DBG_CONFIG, -- "not-idle: enabling radio\n"); -- } else { -- disable_radio = true; -- } -- } - - /* - * We just prepare to enable PS. We have to wait until our AP has -@@ -1742,19 +1677,13 @@ static int ath9k_config(struct ieee80211 - ath_dbg(common, ATH_DBG_CONFIG, - "Set power: %d\n", conf->power_level); - sc->config.txpowlimit = 2 * conf->power_level; -- ath9k_ps_wakeup(sc); - ath9k_cmn_update_txpow(ah, sc->curtxpow, - sc->config.txpowlimit, &sc->curtxpow); -- ath9k_ps_restore(sc); - conf->cur_power_level = sc->curtxpow / 2; - } - -- if (disable_radio) { -- ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); -- ath_radio_disable(sc, hw); -- } -- - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - - return 0; - } ---- a/drivers/net/wireless/ath/ath9k/pci.c -+++ b/drivers/net/wireless/ath/ath9k/pci.c -@@ -306,12 +306,11 @@ static int ath_pci_suspend(struct device - struct ieee80211_hw *hw = pci_get_drvdata(pdev); - struct ath_softc *sc = hw->priv; - -- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); -- - /* The device has to be moved to FULLSLEEP forcibly. - * Otherwise the chip never moved to full sleep, - * when no interface is up. - */ -+ ath9k_hw_disable(sc->sc_ah); - ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); - - return 0; -@@ -333,22 +332,6 @@ static int ath_pci_resume(struct device - if ((val & 0x0000ff00) != 0) - pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); - -- ath9k_ps_wakeup(sc); -- /* Enable LED */ -- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin, -- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); -- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0); -- -- /* -- * Reset key cache to sane defaults (all entries cleared) instead of -- * semi-random values after suspend/resume. -- */ -- ath9k_cmn_init_crypto(sc->sc_ah); -- ath9k_ps_restore(sc); -- -- sc->ps_idle = true; -- ath_radio_disable(sc, hw); -- - return 0; - } - -- cgit v1.2.3