diff options
| author | Sujith Manoharan <Sujith.Manoharan@atheros.com> | 2011-04-13 11:23:52 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-13 15:22:33 -0400 |
| commit | f4c88991f51e097b6541f998fd23d477999e5886 (patch) | |
| tree | 5cc4be2cb3296f50402793e209012875dfa13f95 /drivers/net/wireless/ath/ath9k/htc_drv_main.c | |
| parent | b0a6ba983e3663bf256ca2e79d17bb846878cd9e (diff) | |
ath9k_htc: Queue WMI events
Use a queue to handle WMI events and schedule a tasklet
to process the events. This fixes the race between the
WMI event ISR and the SWBA tasklet when the arrival of
WMI events in quick succession could overwrite the SWBA
data before the tasklet from a previous iteration could
have been scheduled. Also, drain the WMI queue properly.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 8f38075d124..81dfe0782f7 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -202,6 +202,8 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv) WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); WMI_CMD(WMI_STOP_RECV_CMDID); + ath9k_wmi_event_drain(priv); + caldata = &priv->caldata; ret = ath9k_hw_reset(ah, ah->curchan, caldata, false); if (ret) { @@ -255,6 +257,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); WMI_CMD(WMI_STOP_RECV_CMDID); + ath9k_wmi_event_drain(priv); + ath_dbg(common, ATH_DBG_CONFIG, "(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n", priv->ah->curchan->channel, @@ -1172,12 +1176,13 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); WMI_CMD(WMI_STOP_RECV_CMDID); - tasklet_kill(&priv->swba_tasklet); tasklet_kill(&priv->rx_tasklet); tasklet_kill(&priv->tx_tasklet); skb_queue_purge(&priv->tx_queue); + ath9k_wmi_event_drain(priv); + mutex_unlock(&priv->mutex); /* Cancel all the running timers/work .. */ |