Asus eeepc 1008HA suspend issue and mac80211 suspend corner case

Sujith
2009-12-22T04:23:01Z

Luis Rodriguez wrote:
> That log can be found here:
>
> http://bombadil.infradead.org/~mcgrof/logs/2.6.31-with-2.6.32-wireless/irq-disabled.txt

Thanks for the log.
It's a bug in ath9k, related to PowerSave.

Can you test this patch ?

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3f5b887..419c382 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2504,6 +2504,9 @@ static void ath9k_stop(struct ieee80211_hw *hw)
return; /* another wiphy still in use */
}

+ /* Ensure HW is awake when we try to shut it down. */
+ ath9k_ps_wakeup(sc);
+
if (ah->btcoex_hw.enabled) {
ath9k_hw_btcoex_disable(ah);
if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
@@ -2524,8 +2527,10 @@ static void ath9k_stop(struct ieee80211_hw *hw)
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(ah);
ath9k_hw_configpcipowersave(ah, 1, 1);
- ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
+ ath9k_ps_restore(sc);

+ /* Finally, put the chip in FULL SLEEP mode */
+ ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
sc->sc_flags |= SC_OP_INVALID;

mutex_unlock(&sc->mutex);