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ath9k: fix some ps wakeup/restore issues that led to crashes and other weird behavior

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25058 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-01-21 17:54:44 +00:00
parent f6ceb966a6
commit 0acb33d358
1 changed files with 61 additions and 0 deletions
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61
package/mac80211/patches/550-ath9k_fix_ps_wakeup_issues.patch Normal file
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@ -0,0 +1,61 @@
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2111,9 +2111,7 @@ static void ath_tx_complete_poll_work(st
if (needreset) {
ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
"tx hung, resetting the chip\n");
- ath9k_ps_wakeup(sc);
ath_reset(sc, true);
- ath9k_ps_restore(sc);
}
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -592,19 +592,16 @@ void ath9k_tasklet(unsigned long data)
struct ath_softc *sc = (struct ath_softc *)data;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
-
u32 status = sc->intrstatus;
u32 rxmask;
- ath9k_ps_wakeup(sc);
-
if (status & ATH9K_INT_FATAL) {
ath_reset(sc, true);
- ath9k_ps_restore(sc);
return;
}
spin_lock(&sc->sc_pcu_lock);
+ ath9k_ps_wakeup(sc);
/*
* Only run the baseband hang check if beacons stop working in AP or
@@ -980,6 +977,7 @@ int ath_reset(struct ath_softc *sc, bool
/* Stop ANI */
del_timer_sync(&common->ani.timer);
+ ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_pcu_lock);
ieee80211_stop_queues(hw);
@@ -1026,6 +1024,7 @@ int ath_reset(struct ath_softc *sc, bool
/* Start ANI */
ath_start_ani(common);
+ ath9k_ps_restore(sc);
return r;
}
@@ -1748,7 +1747,9 @@ static int ath9k_config(struct ieee80211
if (changed & IEEE80211_CONF_CHANGE_POWER) {
sc->config.txpowlimit = 2 * conf->power_level;
+ ath9k_ps_wakeup(sc);
ath_update_txpow(sc);
+ ath9k_ps_restore(sc);
}
if (disable_radio) {