iwlwifi: make iwl_hw_detect static to _agn

iwl_hw_detect() only used by _agn, make it static
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -3883,6 +3883,13 @@ static struct ieee80211_ops iwl_hw_ops = {
 	.flush = iwl_mac_flush,
 };
 
+static void iwl_hw_detect(struct iwl_priv *priv)
+{
+	priv->hw_rev = _iwl_read32(priv, CSR_HW_REV);
+	priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG);
+	pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id);
+}
+
 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	int err = 0;

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

@@ -183,14 +183,6 @@ struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
 }
 EXPORT_SYMBOL(iwl_alloc_all);
 
-void iwl_hw_detect(struct iwl_priv *priv)
-{
-	priv->hw_rev = _iwl_read32(priv, CSR_HW_REV);
-	priv->hw_wa_rev = _iwl_read32(priv, CSR_HW_REV_WA_REG);
-	pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &priv->rev_id);
-}
-EXPORT_SYMBOL(iwl_hw_detect);
-
 /*
  * QoS  support
 */

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

@@ -347,7 +347,6 @@ struct iwl_cfg {
 
 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
 		struct ieee80211_ops *hw_ops);
-void iwl_hw_detect(struct iwl_priv *priv);
 void iwl_activate_qos(struct iwl_priv *priv);
 int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 		    const struct ieee80211_tx_queue_params *params);