rt2x00: Implement tx_frames_pending mac80211 callback function.

Implementing this callback function will cause mac80211 refrain from
going to powersave state when there are still untransmitted TX frames
in the queues.
This would exactly mimic the behaviour of the legacy vendor driver which
also doesn't go in powersave mode if there are still TX frames that are not
transmitted.
This should make powersaving and rt2x00 a better couple.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index af230583d0a6..59e77797c0fa 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -757,6 +757,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = {
         .flush                  = rt2x00mac_flush,
         .get_survey             = rt2800_get_survey,
         .get_ringparam          = rt2x00mac_get_ringparam,
+        .tx_frames_pending      = rt2x00mac_tx_frames_pending,
 };
 
 static const struct rt2800_ops rt2800usb_rt2800_ops = {