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ath9k: reorganize patches, reset hardware after full sleep (fixes #10349)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29155 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-11-15 14:53:21 +00:00
parent e512826d64
commit ccd11de0ba
5 changed files with 98 additions and 66 deletions
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68
package/mac80211/patches/560-ath9k_reset_after_full_sleep.patch Normal file
View File

@ -0,0 +1,68 @@
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -619,6 +619,7 @@ struct ath_softc {
u16 curtxpow;
bool ps_enabled;
bool ps_idle;
+ bool ps_fullsleep;
short nbcnvifs;
short nvifs;
unsigned long ps_usecount;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,9 +118,10 @@ void ath9k_ps_restore(struct ath_softc *
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_idle)
+ if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) {
mode = ATH9K_PM_FULL_SLEEP;
- else if (sc->ps_enabled &&
+ sc->ps_fullsleep = true;
+ } else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
PS_WAIT_FOR_PSPOLL_DATA |
@@ -275,6 +276,7 @@ static bool ath_complete_reset(struct at
sc->config.txpowlimit, &sc->curtxpow);
ath9k_hw_set_interrupts(ah);
ath9k_hw_enable_interrupts(ah);
+ sc->ps_fullsleep = false;
if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) && start) {
if (sc->sc_flags & SC_OP_BEACONS)
@@ -332,7 +334,8 @@ static int ath_reset_internal(struct ath
hchan = ah->curchan;
}
- if (fastcc && !ath9k_hw_check_alive(ah))
+ if (fastcc && (sc->ps_fullsleep ||
+ !ath9k_hw_check_alive(ah)))
fastcc = false;
if (!ath_prepare_reset(sc, retry_tx, flush))
@@ -1173,6 +1176,13 @@ static void ath9k_tx(struct ieee80211_hw
}
}
+ /*
+ * Cannot tx while the hardware is in full sleep, it first needs a full
+ * chip reset to recover from that
+ */
+ if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP))
+ goto exit;
+
if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) {
/*
* We are using PS-Poll and mac80211 can request TX while in
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1983,7 +1983,7 @@ static void ath_tx_complete(struct ath_s
skb_pull(skb, padsize);
}
- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
ath_dbg(common, ATH_DBG_PS,
"Going back to sleep after having received TX status (0x%lx)\n",

30
package/mac80211/patches/560-ath9k_fix_radio_stop.patch → package/mac80211/patches/561-ath9k_fix_ps_idle_handling.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -880,82 +880,6 @@ chip_reset:
@@ -883,82 +883,6 @@ chip_reset:
#undef SCHED_INTR
}
@ -83,7 +83,7 @@
static int ath_reset(struct ath_softc *sc, bool retry_tx)
{
int r;
@@ -1091,6 +1015,9 @@ static int ath9k_start(struct ieee80211_
@@ -1094,6 +1018,9 @@ static int ath9k_start(struct ieee80211_
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_pcu_lock);
@ -93,13 +93,15 @@
r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
if (r) {
ath_err(common,
@@ -1129,6 +1056,16 @@ static int ath9k_start(struct ieee80211_
@@ -1132,6 +1059,18 @@ static int ath9k_start(struct ieee80211_
goto mutex_unlock;
}
+ if (ah->led_pin >= 0) {
+ ath9k_hw_cfg_output(ah, ah->led_pin,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+ }
+
+ /*
+ * Reset key cache to sane defaults (all entries cleared) instead of
@ -110,7 +112,15 @@
spin_unlock_bh(&sc->sc_pcu_lock);
if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
@@ -1248,33 +1185,39 @@ static void ath9k_stop(struct ieee80211_
@@ -1229,6 +1168,7 @@ static void ath9k_stop(struct ieee80211_
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
+ bool prev_idle;
mutex_lock(&sc->mutex);
@@ -1258,35 +1198,45 @@ static void ath9k_stop(struct ieee80211_
* before setting the invalid flag. */
ath9k_hw_disable_interrupts(ah);
@ -128,12 +138,15 @@
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
+
+ prev_idle = sc->ps_idle;
+ sc->ps_idle = true;
+
+ spin_lock_bh(&sc->sc_pcu_lock);
+
+ if (ah->led_pin >= 0) {
+ ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ }
+
+ ath_prepare_reset(sc, false, true);
@ -166,8 +179,11 @@
+ ath9k_ps_restore(sc);
sc->sc_flags |= SC_OP_INVALID;
+ sc->ps_idle = prev_idle;
@@ -1598,8 +1541,8 @@ static int ath9k_config(struct ieee80211
mutex_unlock(&sc->mutex);
@@ -1608,8 +1558,8 @@ static int ath9k_config(struct ieee80211
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &hw->conf;
@ -177,7 +193,7 @@
mutex_lock(&sc->mutex);
/*
@@ -1608,16 +1551,8 @@ static int ath9k_config(struct ieee80211
@@ -1618,16 +1568,8 @@ static int ath9k_config(struct ieee80211
* of the changes. Likewise we must only disable the radio towards
* the end.
*/
@ -195,7 +211,7 @@
/*
* We just prepare to enable PS. We have to wait until our AP has
@@ -1742,19 +1677,13 @@ static int ath9k_config(struct ieee80211
@@ -1752,19 +1694,13 @@ static int ath9k_config(struct ieee80211
ath_dbg(common, ATH_DBG_CONFIG,
"Set power: %d\n", conf->power_level);
sc->config.txpowlimit = 2 * conf->power_level;

4
package/mac80211/patches/561-ath9k_fix_flush.patch → package/mac80211/patches/562-ath9k_fix_flush.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2251,9 +2251,6 @@ static void ath9k_flush(struct ieee80211
@@ -2268,9 +2268,6 @@ static void ath9k_flush(struct ieee80211
return;
}
@ -10,7 +10,7 @@
for (j = 0; j < timeout; j++) {
bool npend = false;
@@ -2271,21 +2268,22 @@ static void ath9k_flush(struct ieee80211
@@ -2288,21 +2285,22 @@ static void ath9k_flush(struct ieee80211
}
if (!npend)

30
package/mac80211/patches/562-ath9k_fix_led.patch
View File

@ -1,30 +0,0 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1056,9 +1056,11 @@ static int ath9k_start(struct ieee80211_
goto mutex_unlock;
}
- ath9k_hw_cfg_output(ah, ah->led_pin,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+ if (ah->led_pin >= 0) {
+ ath9k_hw_cfg_output(ah, ah->led_pin,
+ AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_set_gpio(ah, ah->led_pin, 0);
+ }
/*
* Reset key cache to sane defaults (all entries cleared) instead of
@@ -1197,8 +1199,10 @@ static void ath9k_stop(struct ieee80211_
spin_lock_bh(&sc->sc_pcu_lock);
- ath9k_hw_set_gpio(ah, ah->led_pin, 1);
- ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ if (ah->led_pin >= 0) {
+ ath9k_hw_set_gpio(ah, ah->led_pin, 1);
+ ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
+ }
ath_prepare_reset(sc, false, true);

22
package/mac80211/patches/563-ath9k_fix_full_sleep_tx.patch
View File

@ -1,22 +0,0 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc *
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_idle)
+ if (sc->ps_idle && !(sc->ps_flags & PS_WAIT_FOR_TX_ACK))
mode = ATH9K_PM_FULL_SLEEP;
else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1983,7 +1983,7 @@ static void ath_tx_complete(struct ath_s
skb_pull(skb, padsize);
}
- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
ath_dbg(common, ATH_DBG_PS,
"Going back to sleep after having received TX status (0x%lx)\n",