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Commit 38d59392 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
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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: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 599b13ad

drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c

+1 −1
Original line number Diff line number Diff line
@@ -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,