ath9k: prepare for multi-interface CSA support
Soon mac80211 will support multi-interface CSA so
using sc->csa_vif is not an option.
Instead just depend on vif->csa_active. Calling
ieee80211_csa_finish() multiple number of times
should not be an issue.
Signed-off-by: Michal Kazior <michal.kazior@tieto.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 5924f72d..317fcb9 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1178,9 +1178,6 @@
if (ath9k_uses_beacons(vif->type))
ath9k_beacon_remove_slot(sc, vif);
- if (sc->csa_vif == vif)
- sc->csa_vif = NULL;
-
ath9k_ps_wakeup(sc);
ath9k_calculate_summary_state(hw, NULL);
ath9k_ps_restore(sc);
@@ -2086,13 +2083,8 @@
struct ieee80211_vif *vif,
struct cfg80211_chan_def *chandef)
{
- struct ath_softc *sc = hw->priv;
-
- /* mac80211 does not support CSA in multi-if cases (yet) */
- if (WARN_ON(sc->csa_vif))
- return;
-
- sc->csa_vif = vif;
+ /* depend on vif->csa_active only */
+ return;
}
struct ieee80211_ops ath9k_ops = {