ath9k: Implement dev_tx_frames_pending callback.
This function returns true if there is atleast one frame
in any one of the tx queues.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ba1c9a6..93b9fa2 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2201,6 +2201,21 @@
ath9k_ps_restore(sc);
}
+static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw)
+{
+ struct ath_softc *sc = hw->priv;
+ int i;
+
+ for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
+ if (!ATH_TXQ_SETUP(sc, i))
+ continue;
+
+ if (ath9k_has_pending_frames(sc, &sc->tx.txq[i]))
+ return true;
+ }
+ return false;
+}
+
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
@@ -2223,4 +2238,5 @@
.rfkill_poll = ath9k_rfkill_poll_state,
.set_coverage_class = ath9k_set_coverage_class,
.flush = ath9k_flush,
+ .tx_frames_pending = ath9k_tx_frames_pending,
};