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| author | John W. Linville <linville@tuxdriver.com> | 2010-12-06 15:35:34 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-06 15:35:34 -0500 |
| commit | f435d9eea01309aa7b6c1f134569a7b5957918ae (patch) | |
| tree | 2737a48d423a8191671098b15aabd6391af2d23a /drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c | |
| parent | 5ee493767352314893520ac40aec5bb07d0147e0 (diff) | |
| parent | 09f921f83faa49cdea25abfb98c439c01526b89d (diff) | |
| download | op-kernel-dev-f435d9eea01309aa7b6c1f134569a7b5957918ae.zip op-kernel-dev-f435d9eea01309aa7b6c1f134569a7b5957918ae.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c index 8a4d3ac..dbada76 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c @@ -251,6 +251,7 @@ err: int iwl_eeprom_check_sku(struct iwl_priv *priv) { u16 eeprom_sku; + u16 radio_cfg; eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP); @@ -266,6 +267,25 @@ int iwl_eeprom_check_sku(struct iwl_priv *priv) IWL_INFO(priv, "Device SKU: 0X%x\n", priv->cfg->sku); + if (!priv->cfg->valid_tx_ant && !priv->cfg->valid_rx_ant) { + /* 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); + 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, + priv->cfg->valid_rx_ant); + return -EINVAL; + } + IWL_INFO(priv, "Valid Tx ant: 0X%x, Valid Rx ant: 0X%x\n", + priv->cfg->valid_tx_ant, priv->cfg->valid_rx_ant); + } + /* + * for some special cases, + * EEPROM did not reflect the correct antenna setting + * so overwrite the valid tx/rx antenna from .cfg + */ return 0; } |
