mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-15 15:33:43 +02:00
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
|
--- 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 |
|