ath9k: Use ath_chanctx_check_active properly

ath_chanctx_check_active() is required only when channel contexts
are used. Make sure that it is not called in normal usage.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 5b8bc5dd007edd8718db72f057e9b4c7c316e65c..8767aa7360ca37c5e6ce28af18a825f5c9d35018 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -417,8 +417,6 @@ ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
 void ath_chanctx_init(struct ath_softc *sc);
 void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
                             struct cfg80211_chan_def *chandef);
-void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
-
 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
 bool ath9k_is_chanctx_enabled(void);
 void ath9k_fill_chanctx_ops(void);
@@ -434,6 +432,7 @@ void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
                                struct ieee80211_vif *vif);
 void ath9k_p2p_ps_timer(void *priv);
 void ath9k_chanctx_wake_queues(struct ath_softc *sc);
+void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
 
 void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, u32 ts,
                                enum ath_chanctx_event ev);
@@ -499,6 +498,10 @@ static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
 static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc)
 {
 }
+static inline void ath_chanctx_check_active(struct ath_softc *sc,
+                                           struct ath_chanctx *ctx)
+{
+}
 #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
 
 int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);

diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index d1ad5a2db2bee188e9e4e52e07b1612d401966ca..08bb14c1db827fca6a6a45a180d17ef9dc77af84 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -101,51 +101,6 @@ static int ath_set_channel(struct ath_softc *sc)
        return 0;
 }
 
-void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
-{
-       struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-       struct ath_vif *avp;
-       bool active = false;
-       u8 n_active = 0;
-
-       if (!ctx)
-               return;
-
-       list_for_each_entry(avp, &ctx->vifs, list) {
-               struct ieee80211_vif *vif = avp->vif;
-
-               switch (vif->type) {
-               case NL80211_IFTYPE_P2P_CLIENT:
-               case NL80211_IFTYPE_STATION:
-                       if (vif->bss_conf.assoc)
-                               active = true;
-                       break;
-               default:
-                       active = true;
-                       break;
-               }
-       }
-       ctx->active = active;
-
-       ath_for_each_chanctx(sc, ctx) {
-               if (!ctx->assigned || list_empty(&ctx->vifs))
-                       continue;
-               n_active++;
-       }
-
-       if (n_active <= 1) {
-               clear_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags);
-               return;
-       }
-       if (test_and_set_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags))
-               return;
-
-       if (ath9k_is_chanctx_enabled()) {
-               ath_chanctx_event(sc, NULL,
-                                 ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL);
-       }
-}
-
 void ath_chanctx_init(struct ath_softc *sc)
 {
        struct ath_chanctx *ctx;
@@ -209,6 +164,51 @@ static const char *offchannel_state_string(enum ath_offchannel_state state)
        }
 }
 
+void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
+{
+       struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+       struct ath_vif *avp;
+       bool active = false;
+       u8 n_active = 0;
+
+       if (!ctx)
+               return;
+
+       list_for_each_entry(avp, &ctx->vifs, list) {
+               struct ieee80211_vif *vif = avp->vif;
+
+               switch (vif->type) {
+               case NL80211_IFTYPE_P2P_CLIENT:
+               case NL80211_IFTYPE_STATION:
+                       if (vif->bss_conf.assoc)
+                               active = true;
+                       break;
+               default:
+                       active = true;
+                       break;
+               }
+       }
+       ctx->active = active;
+
+       ath_for_each_chanctx(sc, ctx) {
+               if (!ctx->assigned || list_empty(&ctx->vifs))
+                       continue;
+               n_active++;
+       }
+
+       if (n_active <= 1) {
+               clear_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags);
+               return;
+       }
+       if (test_and_set_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags))
+               return;
+
+       if (ath9k_is_chanctx_enabled()) {
+               ath_chanctx_event(sc, NULL,
+                                 ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL);
+       }
+}
+
 static struct ath_chanctx *
 ath_chanctx_get_next(struct ath_softc *sc, struct ath_chanctx *ctx)
 {