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iwl3945: Getting rid of priv->antenna

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The iwl_priv antenna field is useless as we can simply use the corresponding
mod_params antenna field.

Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2009-01-23 13:45:18 -08:00 committed by John W. Linville
parent d08853a399
commit 7e4bca5e5b
3 changed files with 39 additions and 41 deletions
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35
drivers/net/wireless/iwlwifi/iwl-3945.c
View file

@ -197,41 +197,6 @@ static int iwl3945_hwrate_to_plcp_idx(u8 plcp)
return -1; return -1;
} }
/**
* iwl3945_get_antenna_flags - Get antenna flags for RXON command
* @priv: eeprom and antenna fields are used to determine antenna flags
*
* priv->eeprom39 is used to determine if antenna AUX/MAIN are reversed
* priv->antenna specifies the antenna diversity mode:
*
* IWL_ANTENNA_DIVERSITY - NIC selects best antenna by itself
* IWL_ANTENNA_MAIN - Force MAIN antenna
* IWL_ANTENNA_AUX - Force AUX antenna
*/
__le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv)
{
struct iwl3945_eeprom *eeprom = (struct iwl3945_eeprom *)priv->eeprom;
switch (priv->antenna) {
case IWL_ANTENNA_DIVERSITY:
return 0;
case IWL_ANTENNA_MAIN:
if (eeprom->antenna_switch_type)
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_B_MSK;
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_A_MSK;
case IWL_ANTENNA_AUX:
if (eeprom->antenna_switch_type)
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_A_MSK;
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_B_MSK;
}
/* bad antenna selector value */
IWL_ERR(priv, "Bad antenna selector value (0x%x)\n", priv->antenna);
return 0; /* "diversity" is default if error */
}
#ifdef CONFIG_IWLWIFI_DEBUG #ifdef CONFIG_IWLWIFI_DEBUG
#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x #define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x

1
drivers/net/wireless/iwlwifi/iwl-dev.h
View file

@ -978,7 +978,6 @@ struct iwl_priv {
u16 rates_mask; u16 rates_mask;
u32 power_mode; u32 power_mode;
u32 antenna;
u8 bssid[ETH_ALEN]; u8 bssid[ETH_ALEN];
u16 rts_threshold; u16 rts_threshold;
u8 mac_addr[ETH_ALEN]; u8 mac_addr[ETH_ALEN];

44
drivers/net/wireless/iwlwifi/iwl3945-base.c
View file

@ -447,6 +447,43 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
return rc; return rc;
} }
/**
* iwl3945_get_antenna_flags - Get antenna flags for RXON command
* @priv: eeprom and antenna fields are used to determine antenna flags
*
* priv->eeprom39 is used to determine if antenna AUX/MAIN are reversed
* iwl3945_mod_params.antenna specifies the antenna diversity mode:
*
* IWL_ANTENNA_DIVERSITY - NIC selects best antenna by itself
* IWL_ANTENNA_MAIN - Force MAIN antenna
* IWL_ANTENNA_AUX - Force AUX antenna
*/
__le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv)
{
struct iwl3945_eeprom *eeprom = (struct iwl3945_eeprom *)priv->eeprom;
switch (iwl3945_mod_params.antenna) {
case IWL_ANTENNA_DIVERSITY:
return 0;
case IWL_ANTENNA_MAIN:
if (eeprom->antenna_switch_type)
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_B_MSK;
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_A_MSK;
case IWL_ANTENNA_AUX:
if (eeprom->antenna_switch_type)
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_A_MSK;
return RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_B_MSK;
}
/* bad antenna selector value */
IWL_ERR(priv, "Bad antenna selector value (0x%x)\n",
iwl3945_mod_params.antenna);
return 0; /* "diversity" is default if error */
}
/** /**
* iwl3945_commit_rxon - commit staging_rxon to hardware * iwl3945_commit_rxon - commit staging_rxon to hardware
* *
@ -5804,7 +5841,7 @@ static ssize_t show_antenna(struct device *d,
if (!iwl_is_alive(priv)) if (!iwl_is_alive(priv))
return -EAGAIN; return -EAGAIN;
return sprintf(buf, "%d\n", priv->antenna); return sprintf(buf, "%d\n", iwl3945_mod_params.antenna);
} }
static ssize_t store_antenna(struct device *d, static ssize_t store_antenna(struct device *d,
@ -5824,7 +5861,7 @@ static ssize_t store_antenna(struct device *d,
if ((ant >= 0) && (ant <= 2)) { if ((ant >= 0) && (ant <= 2)) {
IWL_DEBUG_INFO("Setting antenna select to %d.\n", ant); IWL_DEBUG_INFO("Setting antenna select to %d.\n", ant);
priv->antenna = (enum iwl3945_antenna)ant; iwl3945_mod_params.antenna = (enum iwl3945_antenna)ant;
} else } else
IWL_DEBUG_INFO("Bad antenna select value %d.\n", ant); IWL_DEBUG_INFO("Bad antenna select value %d.\n", ant);
@ -6089,9 +6126,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
hw->rate_control_algorithm = "iwl-3945-rs"; hw->rate_control_algorithm = "iwl-3945-rs";
hw->sta_data_size = sizeof(struct iwl3945_sta_priv); hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
/* Select antenna (may be helpful if only one antenna is connected) */
priv->antenna = (enum iwl3945_antenna)iwl3945_mod_params.antenna;
/* Tell mac80211 our characteristics */ /* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM | hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM; IEEE80211_HW_NOISE_DBM;