mac80211: kill hw.conf.antenna_sel_{rx,tx}

Never actually used.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

9 files changed, 13 insertions, 77 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 6e773018cba..6b85428b0e1 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1339,25 +1339,6 @@ u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
         return antenna_nr;
 }
 
-static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna)
-{
-        antenna = b43_ieee80211_antenna_sanitize(dev, antenna);
-        switch (antenna) {
-        case 0:         /* default/diversity */
-                return B43_ANTENNA_DEFAULT;
-        case 1:         /* Antenna 0 */
-                return B43_ANTENNA0;
-        case 2:         /* Antenna 1 */
-                return B43_ANTENNA1;
-        case 3:         /* Antenna 2 */
-                return B43_ANTENNA2;
-        case 4:         /* Antenna 3 */
-                return B43_ANTENNA3;
-        default:
-                return B43_ANTENNA_DEFAULT;
-        }
-}
-
 /* Convert a b43 antenna number value to the PHY TX control value. */
 static u16 b43_antenna_to_phyctl(int antenna)
 {
@@ -1399,7 +1380,7 @@ static void b43_write_beacon_template(struct b43_wldev *dev,
                                   len, ram_offset, shm_size_offset, rate);
 
         /* Write the PHY TX control parameters. */
-        antenna = b43_antenna_from_ieee80211(dev, info->antenna_sel_tx);
+        antenna = B43_ANTENNA_DEFAULT;
         antenna = b43_antenna_to_phyctl(antenna);
         ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL);
         /* We can't send beacons with short preamble. Would get PHY errors. */
@@ -3399,9 +3380,9 @@ static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
         }
 
         /* Antennas for RX and management frame TX. */
-        antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_tx);
+        antenna = B43_ANTENNA_DEFAULT;
         b43_mgmtframe_txantenna(dev, antenna);
-        antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx);
+        antenna = B43_ANTENNA_DEFAULT;
         if (phy->ops->set_rx_antenna)
                 phy->ops->set_rx_antenna(dev, antenna);
 
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index c66d57560e7..867f01ce45c 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2556,20 +2556,6 @@ init_failure:
         return err;
 }
 
-static int b43legacy_antenna_from_ieee80211(u8 antenna)
-{
-        switch (antenna) {
-        case 0: /* default/diversity */
-                return B43legacy_ANTENNA_DEFAULT;
-        case 1: /* Antenna 0 */
-                return B43legacy_ANTENNA0;
-        case 2: /* Antenna 1 */
-                return B43legacy_ANTENNA1;
-        default:
-                return B43legacy_ANTENNA_DEFAULT;
-        }
-}
-
 static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
                                    struct ieee80211_conf *conf)
 {
@@ -2583,8 +2569,8 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
         int err = 0;
         u32 savedirqs;
 
-        antenna_tx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_tx);
-        antenna_rx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_rx);
+        antenna_tx = B43legacy_ANTENNA_DEFAULT;
+        antenna_rx = B43legacy_ANTENNA_DEFAULT;
 
         mutex_lock(&wl->mutex);
         dev = wl->current_dev;
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index b1dc10ccd32..b3e75eb4d5b 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -1198,8 +1198,7 @@ static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
         struct p54_common *priv = dev->priv;
 
         mutex_lock(&priv->conf_mutex);
-        priv->rx_antenna = (conf->antenna_sel_rx == 0) ?
-                2 : conf->antenna_sel_tx - 1;
+        priv->rx_antenna = 2; /* automatic */
         priv->output_power = conf->power_level << 2;
         ret = p54_set_freq(dev, cpu_to_le16(conf->channel->center_freq));
         p54_set_vdcf(dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 4d5e87b015a..7910147157b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -199,23 +199,15 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
          * to work with untill the link tuner decides that an antenna
          * switch should be performed.
          */
-        if (!conf->antenna_sel_rx &&
-            default_ant->rx != ANTENNA_SW_DIVERSITY &&
+        if (default_ant->rx != ANTENNA_SW_DIVERSITY &&
             default_ant->rx != active_ant->rx)
                 flags |= CONFIG_UPDATE_ANTENNA;
-        else if (conf->antenna_sel_rx &&
-                 conf->antenna_sel_rx != active_ant->rx)
-                flags |= CONFIG_UPDATE_ANTENNA;
         else if (active_ant->rx == ANTENNA_SW_DIVERSITY)
                 flags |= CONFIG_UPDATE_ANTENNA;
 
-        if (!conf->antenna_sel_tx &&
-            default_ant->tx != ANTENNA_SW_DIVERSITY &&
+        if (default_ant->tx != ANTENNA_SW_DIVERSITY &&
             default_ant->tx != active_ant->tx)
                 flags |= CONFIG_UPDATE_ANTENNA;
-        else if (conf->antenna_sel_tx &&
-                 conf->antenna_sel_tx != active_ant->tx)
-                flags |= CONFIG_UPDATE_ANTENNA;
         else if (active_ant->tx == ANTENNA_SW_DIVERSITY)
                 flags |= CONFIG_UPDATE_ANTENNA;
 
@@ -252,18 +244,14 @@ config:
         }
 
         if (flags & CONFIG_UPDATE_ANTENNA) {
-                if (conf->antenna_sel_rx)
-                        libconf.ant.rx = conf->antenna_sel_rx;
-                else if (default_ant->rx != ANTENNA_SW_DIVERSITY)
+                if (default_ant->rx != ANTENNA_SW_DIVERSITY)
                         libconf.ant.rx = default_ant->rx;
                 else if (active_ant->rx == ANTENNA_SW_DIVERSITY)
                         libconf.ant.rx = ANTENNA_B;
                 else
                         libconf.ant.rx = active_ant->rx;
 
-                if (conf->antenna_sel_tx)
-                        libconf.ant.tx = conf->antenna_sel_tx;
-                else if (default_ant->tx != ANTENNA_SW_DIVERSITY)
+                if (default_ant->tx != ANTENNA_SW_DIVERSITY)
                         libconf.ant.tx = default_ant->tx;
                 else if (active_ant->tx == ANTENNA_SW_DIVERSITY)
                         libconf.ant.tx = ANTENNA_B;
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 86840e3585e..9e0472bd1ed 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -249,11 +249,9 @@ static void rt2x00lib_evaluate_antenna(struct rt2x00_dev *rt2x00dev)
         rt2x00dev->link.ant.flags &= ~ANTENNA_RX_DIVERSITY;
         rt2x00dev->link.ant.flags &= ~ANTENNA_TX_DIVERSITY;
 
-        if (rt2x00dev->hw->conf.antenna_sel_rx == 0 &&
-            rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
+        if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
                 rt2x00dev->link.ant.flags |= ANTENNA_RX_DIVERSITY;
-        if (rt2x00dev->hw->conf.antenna_sel_tx == 0 &&
-            rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
+        if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
                 rt2x00dev->link.ant.flags |= ANTENNA_TX_DIVERSITY;
 
         if (!(rt2x00dev->link.ant.flags & ANTENNA_RX_DIVERSITY) &&
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2870f3973f1..5f28b7f8988 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -324,7 +324,7 @@ struct ieee80211_tx_altrate {
  * @flags: transmit info flags, defined above
  * @band: TBD
  * @tx_rate_idx: TBD
- * @antenna_sel_tx: TBD
+ * @antenna_sel_tx: antenna to use, 0 for automatic diversity
  * @control: union for control data
  * @status: union for status data
  * @driver_data: array of driver_data pointers
@@ -474,9 +474,6 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
  * @listen_interval: listen interval in units of beacon interval
  * @flags: configuration flags defined above
  * @power_level: requested transmit power (in dBm)
- * @antenna_sel_tx: transmit antenna selection, 0: default/diversity,
- *      1/2: antenna 0/1
- * @antenna_sel_rx: receive antenna selection, like @antenna_sel_tx
  * @ht_cap: describes current self configuration of 802.11n HT capabilities
  * @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters
  * @channel: the channel to tune to
@@ -488,8 +485,6 @@ struct ieee80211_conf {
         u16 listen_interval;
         u32 flags;
         int power_level;
-        u8 antenna_sel_tx;
-        u8 antenna_sel_rx;
 
         struct ieee80211_channel *channel;
 
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 24ce5446331..767dbca50ad 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -47,10 +47,6 @@ static const struct file_operations name## _ops = {			\
 
 DEBUGFS_READONLY_FILE(frequency, 20, "%d",
                       local->hw.conf.channel->center_freq);
-DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
-                      local->hw.conf.antenna_sel_tx);
-DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
-                      local->hw.conf.antenna_sel_rx);
 DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
                       local->rts_threshold);
 DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
@@ -202,8 +198,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
         local->debugfs.keys = debugfs_create_dir("keys", phyd);
 
         DEBUGFS_ADD(frequency);
-        DEBUGFS_ADD(antenna_sel_tx);
-        DEBUGFS_ADD(antenna_sel_rx);
         DEBUGFS_ADD(rts_threshold);
         DEBUGFS_ADD(fragmentation_threshold);
         DEBUGFS_ADD(short_retry_limit);
@@ -258,8 +252,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
 void debugfs_hw_del(struct ieee80211_local *local)
 {
         DEBUGFS_DEL(frequency);
-        DEBUGFS_DEL(antenna_sel_tx);
-        DEBUGFS_DEL(antenna_sel_rx);
         DEBUGFS_DEL(rts_threshold);
         DEBUGFS_DEL(fragmentation_threshold);
         DEBUGFS_DEL(short_retry_limit);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ae4ca3e8b44..88015838a63 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -727,8 +727,6 @@ struct ieee80211_local {
                 struct dentry *rcdir;
                 struct dentry *rcname;
                 struct dentry *frequency;
-                struct dentry *antenna_sel_tx;
-                struct dentry *antenna_sel_rx;
                 struct dentry *rts_threshold;
                 struct dentry *fragmentation_threshold;
                 struct dentry *short_retry_limit;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9191b510bff..22494bcf488 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1971,7 +1971,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
             sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
                 info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
 
-        info->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
         info->control.retry_limit = 1;
 
 out: