wl12xx: flush Tx during suspend and 802.11h chan switch

Flush our Tx queues before suspending or changing the channel due to a
channel_switch element in the AP beacon.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 712e385..ad1a4ad 100644 (file)
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1737,6 +1737,8 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw,
        wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow);
        WARN_ON(!wow || !wow->any);
 
+       wl1271_tx_flush(wl);
+
        wl->wow_enabled = true;
        wl12xx_for_each_wlvif(wl, wlvif) {
                ret = wl1271_configure_suspend(wl, wlvif);
@@ -4496,6 +4498,8 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
 
        wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch");
 
+       wl1271_tx_flush(wl);
+
        mutex_lock(&wl->mutex);
 
        if (unlikely(wl->state == WL1271_STATE_OFF)) {