ath9k_htc: Add a timer to cleanup WMI events
Occasionally, a WMI event would arrive ahead of the TX
URB completion handler. Discarding these events would exhaust
the available TX slots, so handle them by running a timer
cleaning up such events. Also, timeout packets for which TX
completion events have not arrived.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index afceeaa..0aec259 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -671,7 +671,6 @@
common->priv = priv;
common->debug_mask = ath9k_debug;
- spin_lock_init(&priv->wmi->wmi_lock);
spin_lock_init(&priv->beacon_lock);
spin_lock_init(&priv->tx.tx_lock);
mutex_init(&priv->mutex);
@@ -683,6 +682,8 @@
INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
INIT_WORK(&priv->ps_work, ath9k_ps_work);
INIT_WORK(&priv->fatal_work, ath9k_fatal_work);
+ setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer,
+ (unsigned long)priv);
/*
* Cache line size is used to size and align various
