diff options
Diffstat (limited to 'package/mac80211/patches/527-ath9k_ps_survey_fix.patch')
-rw-r--r-- | package/mac80211/patches/527-ath9k_ps_survey_fix.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/package/mac80211/patches/527-ath9k_ps_survey_fix.patch b/package/mac80211/patches/527-ath9k_ps_survey_fix.patch deleted file mode 100644 index f130f41..0000000 --- a/package/mac80211/patches/527-ath9k_ps_survey_fix.patch +++ /dev/null @@ -1,54 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -122,6 +122,7 @@ bool ath9k_setpower(struct ath_softc *sc - - void ath9k_ps_wakeup(struct ath_softc *sc) - { -+ struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long flags; - - spin_lock_irqsave(&sc->sc_pm_lock, flags); -@@ -130,18 +131,33 @@ void ath9k_ps_wakeup(struct ath_softc *s - - ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); - -+ /* -+ * While the hardware is asleep, the cycle counters contain no -+ * useful data. Better clear them now so that they don't mess up the -+ * ANI or survey data results. -+ */ -+ spin_lock(&common->cc_lock); -+ ath_hw_cycle_counters_update(common); -+ memset(&common->cc_survey, 0, sizeof(common->cc_survey)); -+ spin_unlock(&common->cc_lock); -+ - unlock: - spin_unlock_irqrestore(&sc->sc_pm_lock, flags); - } - - void ath9k_ps_restore(struct ath_softc *sc) - { -+ struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long flags; - - spin_lock_irqsave(&sc->sc_pm_lock, flags); - if (--sc->ps_usecount != 0) - goto unlock; - -+ spin_lock(&common->cc_lock); -+ ath_hw_cycle_counters_update(common); -+ spin_unlock(&common->cc_lock); -+ - if (sc->ps_idle) - ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); - else if (sc->ps_enabled && -@@ -197,7 +213,8 @@ static void ath_update_survey_stats(stru - struct ath_cycle_counters *cc = &common->cc_survey; - unsigned int div = common->clockrate * 1000; - -- ath_hw_cycle_counters_update(common); -+ if (ah->power_mode == ATH9K_PM_AWAKE) -+ ath_hw_cycle_counters_update(common); - - if (cc->cycles > 0) { - survey->filled |= SURVEY_INFO_CHANNEL_TIME | |