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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-04-02 22:04:38 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-04-02 22:04:38 +0000
commit09702f9b6732d6f4ce342eb17c4044fe2f5f462c (patch)
treef3be8720833c8e5a46a41de98e3512bc72c5df9e /package/mac80211
parent2ba82703c7d449f621385aa6b550cf044e4197d7 (diff)
ath9k: fix missing chip wakeups causing instability issues on at least AR5416 (probably on other devices as well); fixes #9107
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26418 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211')
-rw-r--r--package/mac80211/patches/580-ath9k_fix_ps_wakeup.patch127
1 files changed, 127 insertions, 0 deletions
diff --git a/package/mac80211/patches/580-ath9k_fix_ps_wakeup.patch b/package/mac80211/patches/580-ath9k_fix_ps_wakeup.patch
new file mode 100644
index 000000000..fc0d1c84f
--- /dev/null
+++ b/package/mac80211/patches/580-ath9k_fix_ps_wakeup.patch
@@ -0,0 +1,127 @@
+--- 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)