commit 5ecbb104a7202a6ed9bcfa8b8ef46474d1003600
Author: Patrick McHardy <kaber@trash.net>
Date:   Tue Dec 9 21:54:51 2008 +0100

    ath5k: enable TXOK IRQ
    
    Without the IRQ, the tx tasklet is not scheduled, which is necessary
    to invoke ieee80211_tx_status() to notify userspace of successfully
    sent frames.
    
    Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 940c724..291a334 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -1348,7 +1348,8 @@ ath5k_txq_setup(struct ath5k_softc *sc,
 	 * up in which case the top half of the kernel may backup
 	 * due to a lack of tx descriptors.
 	 */
-	qi.tqi_flags = AR5K_TXQ_FLAG_TXEOLINT_ENABLE |
+	qi.tqi_flags = AR5K_TXQ_FLAG_TXOKINT_ENABLE |
+				AR5K_TXQ_FLAG_TXEOLINT_ENABLE |
 				AR5K_TXQ_FLAG_TXDESCINT_ENABLE;
 	qnum = ath5k_hw_setup_tx_queue(ah, qtype, &qi);
 	if (qnum < 0) {