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path: root/drivers/net/wireless/ath/ath9k
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-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/hif_usb.c10
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c31
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c15
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c18
6 files changed, 55 insertions, 23 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 973c919fdd27..9b8e7e3fcebd 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -310,7 +310,7 @@ struct ath_rx {
u8 rxotherant;
u32 *rxlink;
unsigned int rxfilter;
- spinlock_t rxflushlock;
+ spinlock_t pcu_lock;
spinlock_t rxbuflock;
struct list_head rxbuf;
struct ath_descdma rxdma;
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 728d904c74d7..6576f683dba0 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -801,10 +801,16 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
}
kfree(buf);
- if ((hif_dev->device_id == 0x7010) || (hif_dev->device_id == 0x7015))
+ switch (hif_dev->device_id) {
+ case 0x7010:
+ case 0x7015:
+ case 0x9018:
firm_offset = AR7010_FIRMWARE_TEXT;
- else
+ break;
+ default:
firm_offset = AR9271_FIRMWARE_TEXT;
+ break;
+ }
/*
* Issue FW download complete command to firmware.
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c6ec800d7a6b..b52f1cf8a603 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -241,6 +241,9 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
*/
ath9k_hw_set_interrupts(ah, 0);
ath_drain_all_txq(sc, false);
+
+ spin_lock_bh(&sc->rx.pcu_lock);
+
stopped = ath_stoprecv(sc);
/* XXX: do not flush receive queue here. We don't want
@@ -268,6 +271,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
"reset status %d\n",
channel->center_freq, r);
spin_unlock_bh(&sc->sc_resetlock);
+ spin_unlock_bh(&sc->rx.pcu_lock);
goto ps_restore;
}
spin_unlock_bh(&sc->sc_resetlock);
@@ -276,9 +280,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
ath_print(common, ATH_DBG_FATAL,
"Unable to restart recv logic\n");
r = -EIO;
+ spin_unlock_bh(&sc->rx.pcu_lock);
goto ps_restore;
}
+ spin_unlock_bh(&sc->rx.pcu_lock);
+
ath_update_txpow(sc);
ath9k_hw_set_interrupts(ah, ah->imask);
@@ -613,7 +620,7 @@ void ath9k_tasklet(unsigned long data)
rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
if (status & rxmask) {
- spin_lock_bh(&sc->rx.rxflushlock);
+ spin_lock_bh(&sc->rx.pcu_lock);
/* Check for high priority Rx first */
if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
@@ -621,7 +628,7 @@ void ath9k_tasklet(unsigned long data)
ath_rx_tasklet(sc, 0, true);
ath_rx_tasklet(sc, 0, false);
- spin_unlock_bh(&sc->rx.rxflushlock);
+ spin_unlock_bh(&sc->rx.pcu_lock);
}
if (status & ATH9K_INT_TX) {
@@ -876,6 +883,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
if (!ah->curchan)
ah->curchan = ath_get_curchannel(sc, sc->hw);
+ spin_lock_bh(&sc->rx.pcu_lock);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
@@ -890,8 +898,10 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
if (ath_startrecv(sc) != 0) {
ath_print(common, ATH_DBG_FATAL,
"Unable to restart recv logic\n");
+ spin_unlock_bh(&sc->rx.pcu_lock);
return;
}
+ spin_unlock_bh(&sc->rx.pcu_lock);
if (sc->sc_flags & SC_OP_BEACONS)
ath_beacon_config(sc, NULL); /* restart beacons */
@@ -930,6 +940,9 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
ath9k_hw_set_interrupts(ah, 0);
ath_drain_all_txq(sc, false); /* clear pending tx frames */
+
+ spin_lock_bh(&sc->rx.pcu_lock);
+
ath_stoprecv(sc); /* turn off frame recv */
ath_flushrecv(sc); /* flush recv queue */
@@ -947,6 +960,9 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_phy_disable(ah);
+
+ spin_unlock_bh(&sc->rx.pcu_lock);
+
ath9k_hw_configpcipowersave(ah, 1, 1);
ath9k_ps_restore(sc);
ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
@@ -966,6 +982,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
ath9k_hw_set_interrupts(ah, 0);
ath_drain_all_txq(sc, retry_tx);
+
+ spin_lock_bh(&sc->rx.pcu_lock);
+
ath_stoprecv(sc);
ath_flushrecv(sc);
@@ -980,6 +999,8 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
ath_print(common, ATH_DBG_FATAL,
"Unable to start recv logic\n");
+ spin_unlock_bh(&sc->rx.pcu_lock);
+
/*
* We may be doing a reset in response to a request
* that changes the channel so update any state that
@@ -1142,6 +1163,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
* be followed by initialization of the appropriate bits
* and then setup of the interrupt mask.
*/
+ spin_lock_bh(&sc->rx.pcu_lock);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
if (r) {
@@ -1150,6 +1172,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
"(freq %u MHz)\n", r,
curchan->center_freq);
spin_unlock_bh(&sc->sc_resetlock);
+ spin_unlock_bh(&sc->rx.pcu_lock);
goto mutex_unlock;
}
spin_unlock_bh(&sc->sc_resetlock);
@@ -1171,8 +1194,10 @@ static int ath9k_start(struct ieee80211_hw *hw)
ath_print(common, ATH_DBG_FATAL,
"Unable to start recv logic\n");
r = -EIO;
+ spin_unlock_bh(&sc->rx.pcu_lock);
goto mutex_unlock;
}
+ spin_unlock_bh(&sc->rx.pcu_lock);
/* Setup our intr mask. */
ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
@@ -1371,12 +1396,14 @@ static void ath9k_stop(struct ieee80211_hw *hw)
* before setting the invalid flag. */
ath9k_hw_set_interrupts(ah, 0);
+ spin_lock_bh(&sc->rx.pcu_lock);
if (!(sc->sc_flags & SC_OP_INVALID)) {
ath_drain_all_txq(sc, false);
ath_stoprecv(sc);
ath9k_hw_phy_disable(ah);
} else
sc->rx.rxlink = NULL;
+ spin_unlock_bh(&sc->rx.pcu_lock);
/* disable HAL and put h/w to sleep */
ath9k_hw_disable(ah);
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 0cee90cf8dc9..89978d71617f 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -527,7 +527,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
for (i = 0; i < rateset->rs_nrates; i++) {
for (j = 0; j < rate_table->rate_cnt; j++) {
u32 phy = rate_table->info[j].phy;
- u16 rate_flags = rate_table->info[i].rate_flags;
+ u16 rate_flags = rate_table->info[j].rate_flags;
u8 rate = rateset->rs_rates[i];
u8 dot11rate = rate_table->info[j].dot11rate;
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index fe73fc50082a..fddb0129bb57 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -297,19 +297,17 @@ static void ath_edma_start_recv(struct ath_softc *sc)
ath_rx_addbuffer_edma(sc, ATH9K_RX_QUEUE_LP,
sc->rx.rx_edma[ATH9K_RX_QUEUE_LP].rx_fifo_hwsize);
- spin_unlock_bh(&sc->rx.rxbuflock);
-
ath_opmode_init(sc);
ath9k_hw_startpcureceive(sc->sc_ah, (sc->sc_flags & SC_OP_OFFCHANNEL));
+
+ spin_unlock_bh(&sc->rx.rxbuflock);
}
static void ath_edma_stop_recv(struct ath_softc *sc)
{
- spin_lock_bh(&sc->rx.rxbuflock);
ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_HP);
ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_LP);
- spin_unlock_bh(&sc->rx.rxbuflock);
}
int ath_rx_init(struct ath_softc *sc, int nbufs)
@@ -319,7 +317,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
struct ath_buf *bf;
int error = 0;
- spin_lock_init(&sc->rx.rxflushlock);
+ spin_lock_init(&sc->rx.pcu_lock);
sc->sc_flags &= ~SC_OP_RXFLUSH;
spin_lock_init(&sc->rx.rxbuflock);
@@ -506,10 +504,11 @@ int ath_startrecv(struct ath_softc *sc)
ath9k_hw_rxena(ah);
start_recv:
- spin_unlock_bh(&sc->rx.rxbuflock);
ath_opmode_init(sc);
ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_OFFCHANNEL));
+ spin_unlock_bh(&sc->rx.rxbuflock);
+
return 0;
}
@@ -518,6 +517,7 @@ bool ath_stoprecv(struct ath_softc *sc)
struct ath_hw *ah = sc->sc_ah;
bool stopped;
+ spin_lock_bh(&sc->rx.rxbuflock);
ath9k_hw_stoppcurecv(ah);
ath9k_hw_setrxfilter(ah, 0);
stopped = ath9k_hw_stopdmarecv(ah);
@@ -526,19 +526,18 @@ bool ath_stoprecv(struct ath_softc *sc)
ath_edma_stop_recv(sc);
else
sc->rx.rxlink = NULL;
+ spin_unlock_bh(&sc->rx.rxbuflock);
return stopped;
}
void ath_flushrecv(struct ath_softc *sc)
{
- spin_lock_bh(&sc->rx.rxflushlock);
sc->sc_flags |= SC_OP_RXFLUSH;
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
ath_rx_tasklet(sc, 1, true);
ath_rx_tasklet(sc, 1, false);
sc->sc_flags &= ~SC_OP_RXFLUSH;
- spin_unlock_bh(&sc->rx.rxflushlock);
}
static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 30ef2dfc1ed2..f2ade2402ce2 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1089,15 +1089,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
txq->axq_tx_inprogress = false;
spin_unlock_bh(&txq->axq_lock);
- /* flush any pending frames if aggregation is enabled */
- if (sc->sc_flags & SC_OP_TXAGGR) {
- if (!retry_tx) {
- spin_lock_bh(&txq->axq_lock);
- ath_txq_drain_pending_buffers(sc, txq);
- spin_unlock_bh(&txq->axq_lock);
- }
- }
-
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
spin_lock_bh(&txq->axq_lock);
while (!list_empty(&txq->txq_fifo_pending)) {
@@ -1118,6 +1109,15 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
}
spin_unlock_bh(&txq->axq_lock);
}
+
+ /* flush any pending frames if aggregation is enabled */
+ if (sc->sc_flags & SC_OP_TXAGGR) {
+ if (!retry_tx) {
+ spin_lock_bh(&txq->axq_lock);
+ ath_txq_drain_pending_buffers(sc, txq);
+ spin_unlock_bh(&txq->axq_lock);
+ }
+ }
}
void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)