ath9k: Use ps wrappers for btcoex logic.

Use ps wrappers before accessing hw registers in btcoex.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 3a4ddd19e60..0349b3a1cc5 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -179,6 +179,7 @@ static void ath_btcoex_period_timer(unsigned long data)
         u32 timer_period;
         bool is_btscan;
 
+        ath9k_ps_wakeup(sc);
         ath_detect_bt_priority(sc);
 
         is_btscan = sc->sc_flags & SC_OP_BT_SCAN;
@@ -201,6 +202,7 @@ static void ath_btcoex_period_timer(unsigned long data)
                 btcoex->hw_timer_enabled = true;
         }
 
+        ath9k_ps_restore(sc);
         mod_timer(&btcoex->period_timer, jiffies +
                                   msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
 }
@@ -220,6 +222,7 @@ static void ath_btcoex_no_stomp_timer(void *arg)
         ath_dbg(common, ATH_DBG_BTCOEX,
                 "no stomp timer running\n");
 
+        ath9k_ps_wakeup(sc);
         spin_lock_bh(&btcoex->btcoex_lock);
 
         if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
@@ -228,6 +231,7 @@ static void ath_btcoex_no_stomp_timer(void *arg)
                 ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW);
 
         spin_unlock_bh(&btcoex->btcoex_lock);
+        ath9k_ps_restore(sc);
 }
 
 int ath_init_btcoex_timer(struct ath_softc *sc)