ath9k: Remove pm_qos request after hw unregister.

[net-next-2.6.git] / drivers / net / wireless / ath / ath9k / init.c

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 573899e27b3d15f54868c3da410a3acf2a5e2b2a..92bc5c5f48768ac42ca4b1bd02690d9d38ebed80 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -15,6 +15,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/pm_qos_params.h>
 
 #include "ath9k.h"
 
@@ -56,7 +57,7 @@ MODULE_PARM_DESC(blink, "Enable LED blink on activity");
  * on 5 MHz steps, we support the channels which we know
  * we have calibration data for all cards though to make
  * this static */
-static struct ieee80211_channel ath9k_2ghz_chantable[] = {
+static const struct ieee80211_channel ath9k_2ghz_chantable[] = {
        CHAN2G(2412, 0), /* Channel 1 */
        CHAN2G(2417, 1), /* Channel 2 */
        CHAN2G(2422, 2), /* Channel 3 */
@@ -77,7 +78,7 @@ static struct ieee80211_channel ath9k_2ghz_chantable[] = {
  * on 5 MHz steps, we support the channels which we know
  * we have calibration data for all cards though to make
  * this static */
-static struct ieee80211_channel ath9k_5ghz_chantable[] = {
+static const struct ieee80211_channel ath9k_5ghz_chantable[] = {
        /* _We_ call this UNII 1 */
        CHAN5G(5180, 14), /* Channel 36 */
        CHAN5G(5200, 15), /* Channel 40 */
@@ -179,6 +180,8 @@ static const struct ath_ops ath9k_common_ops = {
        .write = ath9k_iowrite32,
 };
 
+struct pm_qos_request_list ath9k_pm_qos_req;
+
 /**************************/
 /*     Initialization     */
 /**************************/
@@ -211,7 +214,7 @@ static void setup_ht_cap(struct ath_softc *sc,
        else
                max_streams = 2;
 
-       if (AR_SREV_9280_10_OR_LATER(ah)) {
+       if (AR_SREV_9280_20_OR_LATER(ah)) {
                if (max_streams >= 2)
                        ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
                ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
@@ -477,10 +480,21 @@ err:
        return -EIO;
 }
 
-static void ath9k_init_channels_rates(struct ath_softc *sc)
+static int ath9k_init_channels_rates(struct ath_softc *sc)
 {
-       if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
-               sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
+       void *channels;
+
+       BUILD_BUG_ON(ARRAY_SIZE(ath9k_2ghz_chantable) +
+                    ARRAY_SIZE(ath9k_5ghz_chantable) !=
+                    ATH9K_NUM_CHANNELS);
+
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) {
+               channels = kmemdup(ath9k_2ghz_chantable,
+                       sizeof(ath9k_2ghz_chantable), GFP_KERNEL);
+               if (!channels)
+                   return -ENOMEM;
+
+               sc->sbands[IEEE80211_BAND_2GHZ].channels = channels;
                sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
                sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
                        ARRAY_SIZE(ath9k_2ghz_chantable);
@@ -489,8 +503,16 @@ static void ath9k_init_channels_rates(struct ath_softc *sc)
                        ARRAY_SIZE(ath9k_legacy_rates);
        }
 
-       if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
-               sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) {
+               channels = kmemdup(ath9k_5ghz_chantable,
+                       sizeof(ath9k_5ghz_chantable), GFP_KERNEL);
+               if (!channels) {
+                       if (sc->sbands[IEEE80211_BAND_2GHZ].channels)
+                               kfree(sc->sbands[IEEE80211_BAND_2GHZ].channels);
+                       return -ENOMEM;
+               }
+
+               sc->sbands[IEEE80211_BAND_5GHZ].channels = channels;
                sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
                sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
                        ARRAY_SIZE(ath9k_5ghz_chantable);
@@ -499,6 +521,7 @@ static void ath9k_init_channels_rates(struct ath_softc *sc)
                sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
                        ARRAY_SIZE(ath9k_legacy_rates) - 4;
        }
+       return 0;
 }
 
 static void ath9k_init_misc(struct ath_softc *sc)
@@ -506,7 +529,6 @@ static void ath9k_init_misc(struct ath_softc *sc)
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
        int i = 0;
 
-       common->ani.noise_floor = ATH_DEFAULT_NOISE_FLOOR;
        setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc);
 
        sc->config.txpowlimit = ATH_TXPOWER_MAX;
@@ -558,6 +580,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
        common->hw = sc->hw;
        common->priv = sc;
        common->debug_mask = ath9k_debug;
+       spin_lock_init(&common->cc_lock);
 
        spin_lock_init(&sc->wiphy_lock);
        spin_lock_init(&sc->sc_resetlock);
@@ -595,8 +618,11 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
        if (ret)
                goto err_btcoex;
 
+       ret = ath9k_init_channels_rates(sc);
+       if (ret)
+               goto err_btcoex;
+
        ath9k_init_crypto(sc);
-       ath9k_init_channels_rates(sc);
        ath9k_init_misc(sc);
 
        return 0;
@@ -639,6 +665,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 
        hw->wiphy->interface_modes =
                BIT(NL80211_IFTYPE_AP) |
+               BIT(NL80211_IFTYPE_WDS) |
                BIT(NL80211_IFTYPE_STATION) |
                BIT(NL80211_IFTYPE_ADHOC) |
                BIT(NL80211_IFTYPE_MESH_POINT);
@@ -658,17 +685,17 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
        hw->rate_control_algorithm = "ath9k_rate_control";
 #endif
 
-       if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
                hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
                        &sc->sbands[IEEE80211_BAND_2GHZ];
-       if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
                hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
                        &sc->sbands[IEEE80211_BAND_5GHZ];
 
        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
-               if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+               if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
                        setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
-               if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+               if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ)
                        setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
        }
 
@@ -732,6 +759,9 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
        ath_init_leds(sc);
        ath_start_rfkill_poll(sc);
 
+       pm_qos_add_request(&ath9k_pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
+                          PM_QOS_DEFAULT_VALUE);
+
        return 0;
 
 error_world:
@@ -756,6 +786,12 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
 {
        int i = 0;
 
+       if (sc->sbands[IEEE80211_BAND_2GHZ].channels)
+               kfree(sc->sbands[IEEE80211_BAND_2GHZ].channels);
+
+       if (sc->sbands[IEEE80211_BAND_5GHZ].channels)
+               kfree(sc->sbands[IEEE80211_BAND_5GHZ].channels);
+
         if ((sc->btcoex.no_stomp_timer) &&
            sc->sc_ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
                ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer);
@@ -794,6 +830,7 @@ void ath9k_deinit_device(struct ath_softc *sc)
        }
 
        ieee80211_unregister_hw(hw);
+       pm_qos_remove_request(&ath9k_pm_qos_req);
        ath_rx_cleanup(sc);
        ath_tx_cleanup(sc);
        ath9k_deinit_softc(sc);