iwlagn: merge duplicate code into single function

Same operation needed by multiple devices, move to single function.
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>

drivers/net/wireless/iwlwifi/iwl-2000.c

@@ -74,21 +74,7 @@ static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
 /* NIC configuration for 2000 series */
 static void iwl2000_nic_config(struct iwl_priv *priv)
 {
-	u16 radio_cfg;
-
-	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
-
-	/* write radio config values to register */
-	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
-		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
-
-	/* set CSR_HW_CONFIG_REG for uCode use */
-	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
+	iwl_rf_config(priv);
 
 	if (priv->cfg->iq_invert)
 		iwl_set_bit(priv, CSR_GP_DRIVER_REG,

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -64,23 +64,10 @@
 static void iwl5000_nic_config(struct iwl_priv *priv)
 {
 	unsigned long flags;
-	u16 radio_cfg;
 
-	spin_lock_irqsave(&priv->lock, flags);
-
-	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+	iwl_rf_config(priv);
 
-	/* write radio config values to register */
-	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) < EEPROM_RF_CONFIG_TYPE_MAX)
-		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
-
-	/* set CSR_HW_CONFIG_REG for uCode use */
-	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
+	spin_lock_irqsave(&priv->lock, flags);
 
 	/* W/A : NIC is stuck in a reset state after Early PCIe power off
 	 * (PCIe power is lost before PERST# is asserted),

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -95,21 +95,7 @@ static void iwl6150_additional_nic_config(struct iwl_priv *priv)
 /* NIC configuration for 6000 series */
 static void iwl6000_nic_config(struct iwl_priv *priv)
 {
-	u16 radio_cfg;
-
-	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
-
-	/* write radio config values to register */
-	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
-		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
-			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
-
-	/* set CSR_HW_CONFIG_REG for uCode use */
-	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
+	iwl_rf_config(priv);
 
 	/* no locking required for register write */
 	if (priv->cfg->pa_type == IWL_PA_INTERNAL) {

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

@@ -834,3 +834,28 @@ const struct iwl_channel_info *iwl_get_channel_info(const struct iwl_priv *priv,
 
 	return NULL;
 }
+
+void iwl_rf_config(struct iwl_priv *priv)
+{
+	u16 radio_cfg;
+
+	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+
+	/* write radio config values to register */
+	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) {
+		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
+		IWL_INFO(priv, "Radio type=0x%x-0x%x-0x%x\n",
+			 EEPROM_RF_CFG_TYPE_MSK(radio_cfg),
+			 EEPROM_RF_CFG_STEP_MSK(radio_cfg),
+			 EEPROM_RF_CFG_DASH_MSK(radio_cfg));
+	} else
+		WARN_ON(1);
+
+	/* set CSR_HW_CONFIG_REG for uCode use */
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
+		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
+}

drivers/net/wireless/iwlwifi/iwl-eeprom.h

@@ -310,5 +310,6 @@ void iwl_free_channel_map(struct iwl_priv *priv);
 const struct iwl_channel_info *iwl_get_channel_info(
 		const struct iwl_priv *priv,
 		enum ieee80211_band band, u16 channel);
+void iwl_rf_config(struct iwl_priv *priv);
 
 #endif  /* __iwl_eeprom_h__ */