ath9k: remove bfs_paprd_timestamp from struct ath_buf_state

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/xmit.c

@@ -1698,9 +1698,6 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
 		if (bf->bf_state.bfs_paprd)
 			ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
 
-		if (txctl->paprd)
-			bf->bf_state.bfs_paprd_timestamp = jiffies;
-
 		ath_tx_send_normal(sc, txctl->txq, NULL, &bf_head);
 	}
 
@@ -1874,9 +1871,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
 	bf->bf_buf_addr = 0;
 
 	if (bf->bf_state.bfs_paprd) {
-		if (time_after(jiffies,
-			       bf->bf_state.bfs_paprd_timestamp +
-			       msecs_to_jiffies(ATH_PAPRD_TIMEOUT)))
+		if (!sc->paprd_pending)
 			dev_kfree_skb_any(skb);
 		else
 			complete(&sc->paprd_complete);