ath9k: move update tx power to common

move ath_update_txpow to common to remove code duplication
in both ath9k & ath9k_htc.

Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 23 insertions, 16 deletions

diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index df1998d48253..615e68276e72 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -189,6 +189,17 @@ void ath9k_cmn_btcoex_bt_stomp(struct ath_common *common,
 }
 EXPORT_SYMBOL(ath9k_cmn_btcoex_bt_stomp);
 
+void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
+                            u16 new_txpow, u16 *txpower)
+{
+        if (cur_txpow != new_txpow) {
+                ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
+                /* read back in case value is clamped */
+                *txpower = ath9k_hw_regulatory(ah)->power_limit;
+        }
+}
+EXPORT_SYMBOL(ath9k_cmn_update_txpow);
+
 static int __init ath9k_cmn_init(void)
 {
         return 0;
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 4c7020b3a5a0..b2f7b5f89097 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -68,3 +68,5 @@ struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw,
 int ath9k_cmn_count_streams(unsigned int chainmask, int max);
 void ath9k_cmn_btcoex_bt_stomp(struct ath_common *common,
                                   enum ath_stomp_type stomp_type);
+void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
+                            u16 new_txpow, u16 *txpower);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 048eaef11f4a..09eb0265b312 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -18,17 +18,6 @@
 #include "ath9k.h"
 #include "btcoex.h"
 
-static void ath_update_txpow(struct ath_softc *sc)
-{
-        struct ath_hw *ah = sc->sc_ah;
-
-        if (sc->curtxpow != sc->config.txpowlimit) {
-                ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
-                /* read back in case value is clamped */
-                sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
-        }
-}
-
 static u8 parse_mpdudensity(u8 mpdudensity)
 {
         /*
@@ -271,7 +260,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
                 goto ps_restore;
         }
 
-        ath_update_txpow(sc);
+        ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                               sc->config.txpowlimit, &sc->curtxpow);
         ath9k_hw_set_interrupts(ah, ah->imask);
 
         if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
@@ -863,7 +853,8 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
                         channel->center_freq, r);
         }
 
-        ath_update_txpow(sc);
+        ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                               sc->config.txpowlimit, &sc->curtxpow);
         if (ath_startrecv(sc) != 0) {
                 ath_err(common, "Unable to restart recv logic\n");
                 goto out;
@@ -966,7 +957,8 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
          * that changes the channel so update any state that
          * might change as a result.
          */
-        ath_update_txpow(sc);
+        ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                               sc->config.txpowlimit, &sc->curtxpow);
 
         if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL)))
                 ath_beacon_config(sc, NULL);    /* restart beacons */
@@ -1042,7 +1034,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
          * This is needed only to setup initial state
          * but it's best done after a reset.
          */
-        ath_update_txpow(sc);
+        ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                        sc->config.txpowlimit, &sc->curtxpow);
 
         /*
          * Setup the hardware after reset:
@@ -1707,7 +1700,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
         if (changed & IEEE80211_CONF_CHANGE_POWER) {
                 sc->config.txpowlimit = 2 * conf->power_level;
                 ath9k_ps_wakeup(sc);
-                ath_update_txpow(sc);
+                ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                                       sc->config.txpowlimit, &sc->curtxpow);
                 ath9k_ps_restore(sc);
         }