ath9k: move ath9k_ps_wakeup() and ath9k_ps_restore() to main.c

These are driver core helpers.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index fe2888e4b8e..9f9ac5b52ac 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -243,6 +243,39 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
         return channel;
 }
 
+void ath9k_ps_wakeup(struct ath_softc *sc)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&sc->sc_pm_lock, flags);
+        if (++sc->ps_usecount != 1)
+                goto unlock;
+
+        ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_AWAKE);
+
+ unlock:
+        spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
+void ath9k_ps_restore(struct ath_softc *sc)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&sc->sc_pm_lock, flags);
+        if (--sc->ps_usecount != 0)
+                goto unlock;
+
+        if (sc->ps_enabled &&
+            !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+                              SC_OP_WAIT_FOR_CAB |
+                              SC_OP_WAIT_FOR_PSPOLL_DATA |
+                              SC_OP_WAIT_FOR_TX_ACK)))
+                ath9k_hw_setpower_nolock(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+
+ unlock:
+        spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
 /*
  * Set/change channels.  If the channel is really being changed, it's done
  * by reseting the chip.  To accomplish this we must first cleanup any pending