iwlwifi: fix valid chain reading from EEPROM

When read valid tx/rx chains from EEPROM, there is a bug to use the
tx chain value for both tx and rx, the result of this cause low
receive throughput on 1x2 devices becuase rx will only utilize single
chain instead of two chains

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
index 97906dd442e..14ceb4df72f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
@@ -168,7 +168,7 @@ int iwl_eeprom_check_sku(struct iwl_priv *priv)
                 /* not using .cfg overwrite */
                 radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
                 priv->cfg->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
-                priv->cfg->valid_rx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+                priv->cfg->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg);
                 if (!priv->cfg->valid_tx_ant || !priv->cfg->valid_rx_ant) {
                         IWL_ERR(priv, "Invalid chain (0X%x, 0X%x)\n",
                                 priv->cfg->valid_tx_ant,