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openwrt-xburst/package/mac80211/patches/580-ath9k_fix_ps_wakeup.patch
nbd 2edeb02590 ath9k: fix missing chip wakeups causing instability issues on at least AR5416 (probably on other devices as well); backport of r26418
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26419 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-04-02 22:05:23 +00:00

128 lines
3.3 KiB
Diff

--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -324,7 +324,6 @@ static void ath_paprd_activate(struct at
if (!caldata || !caldata->paprd_done)
return;
- ath9k_ps_wakeup(sc);
ar9003_paprd_enable(ah, false);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
if (!(common->tx_chainmask & BIT(chain)))
@@ -334,7 +333,6 @@ static void ath_paprd_activate(struct at
}
ar9003_paprd_enable(ah, true);
- ath9k_ps_restore(sc);
}
static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
@@ -554,8 +552,11 @@ set_timer:
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
if (!ah->caldata->paprd_done)
ieee80211_queue_work(sc->hw, &sc->paprd_work);
- else if (!ah->paprd_table_write_done)
+ else if (!ah->paprd_table_write_done) {
+ ath9k_ps_wakeup(sc);
ath_paprd_activate(sc);
+ ath9k_ps_restore(sc);
+ }
}
}
@@ -1376,7 +1377,6 @@ static void ath9k_calculate_summary_stat
ath9k_calculate_iter_data(hw, vif, &iter_data);
- ath9k_ps_wakeup(sc);
/* Set BSSID mask. */
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
ath_hw_setbssidmask(common);
@@ -1411,7 +1411,6 @@ static void ath9k_calculate_summary_stat
}
ath9k_hw_set_interrupts(ah, ah->imask);
- ath9k_ps_restore(sc);
/* Set up ANI */
if ((iter_data.naps + iter_data.nadhocs) > 0) {
@@ -1457,6 +1456,7 @@ static int ath9k_add_interface(struct ie
struct ath_vif *avp = (void *)vif->drv_priv;
int ret = 0;
+ ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
switch (vif->type) {
@@ -1503,6 +1503,7 @@ static int ath9k_add_interface(struct ie
ath9k_do_vif_add_setup(hw, vif);
out:
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
return ret;
}
@@ -1517,6 +1518,7 @@ static int ath9k_change_interface(struct
ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
mutex_lock(&sc->mutex);
+ ath9k_ps_wakeup(sc);
/* See if new interface type is valid. */
if ((new_type == NL80211_IFTYPE_ADHOC) &&
@@ -1546,6 +1548,7 @@ static int ath9k_change_interface(struct
ath9k_do_vif_add_setup(hw, vif);
out:
+ ath9k_ps_restore(sc);
mutex_unlock(&sc->mutex);
return ret;
}
@@ -1558,6 +1561,7 @@ static void ath9k_remove_interface(struc
ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
+ ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
sc->nvifs--;
@@ -1569,6 +1573,7 @@ static void ath9k_remove_interface(struc
ath9k_calculate_summary_state(hw, NULL);
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
}
static void ath9k_enable_ps(struct ath_softc *sc)
@@ -1830,6 +1835,7 @@ static int ath9k_conf_tx(struct ieee8021
txq = sc->tx.txq_map[queue];
+ ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
@@ -1853,6 +1859,7 @@ static int ath9k_conf_tx(struct ieee8021
ath_beaconq_config(sc);
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
return ret;
}
@@ -1929,6 +1936,7 @@ static void ath9k_bss_info_changed(struc
int slottime;
int error;
+ ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
if (changed & BSS_CHANGED_BSSID) {
@@ -2029,6 +2037,7 @@ static void ath9k_bss_info_changed(struc
}
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
}
static u64 ath9k_get_tsf(struct ieee80211_hw *hw)