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authorChristian Lamparter <chunkeey@googlemail.com>2011-07-07 23:01:25 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-07-08 11:42:26 -0400
commit69f7235fe69be5c644f934566f3b972988e71ee4 (patch)
tree4faab92eb7ff3c458897f3474d263ec38c34483d
parentcae561473e87fd01b07d980c643acd51c07e1f64 (diff)
downloadblackbird-op-linux-69f7235fe69be5c644f934566f3b972988e71ee4.tar.gz
blackbird-op-linux-69f7235fe69be5c644f934566f3b972988e71ee4.zip
carl9170: 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. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/carl9170/main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index d2b9f1256bc8..a61cf6781d5e 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1484,6 +1484,13 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw,
}
}
+static bool carl9170_tx_frames_pending(struct ieee80211_hw *hw)
+{
+ struct ar9170 *ar = hw->priv;
+
+ return !!atomic_read(&ar->tx_total_queued);
+}
+
static const struct ieee80211_ops carl9170_ops = {
.start = carl9170_op_start,
.stop = carl9170_op_stop,
@@ -1504,6 +1511,7 @@ static const struct ieee80211_ops carl9170_ops = {
.get_survey = carl9170_op_get_survey,
.get_stats = carl9170_op_get_stats,
.ampdu_action = carl9170_op_ampdu_action,
+ .tx_frames_pending = carl9170_tx_frames_pending,
};
void *carl9170_alloc(size_t priv_size)
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