1 files changed, 30 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index ef23624518b5..1ca2ca54f0e1 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -245,7 +245,7 @@ static void ath_btcoex_no_stomp_timer(void *arg)
         ath9k_ps_restore(sc);
 }
 
-int ath_init_btcoex_timer(struct ath_softc *sc)
+static int ath_init_btcoex_timer(struct ath_softc *sc)
 {
         struct ath_btcoex *btcoex = &sc->btcoex;
 
@@ -318,6 +318,35 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc)
         btcoex->hw_timer_enabled = false;
 }
 
+void ath9k_start_btcoex(struct ath_softc *sc)
+{
+        struct ath_hw *ah = sc->sc_ah;
+
+        if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
+            !ah->btcoex_hw.enabled) {
+                if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI))
+                        ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+                                                   AR_STOMP_LOW_WLAN_WGHT);
+                ath9k_hw_btcoex_enable(ah);
+
+                if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
+                        ath9k_btcoex_timer_resume(sc);
+        }
+}
+
+void ath9k_stop_btcoex(struct ath_softc *sc)
+{
+        struct ath_hw *ah = sc->sc_ah;
+
+        if (ah->btcoex_hw.enabled &&
+            ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) {
+                ath9k_hw_btcoex_disable(ah);
+                if (ath9k_hw_get_btcoex_scheme(ah) == ATH_BTCOEX_CFG_3WIRE)
+                        ath9k_btcoex_timer_pause(sc);
+                ath_mci_flush_profile(&sc->btcoex.mci);
+        }
+}
+
 void ath9k_deinit_btcoex(struct ath_softc *sc)
 {
         if ((sc->btcoex.no_stomp_timer) &&