iwlwifi: make BT coex config a virtual method

Some future hardware will require a different command to
be sent for bluetooth coexist, so make this a virtual
method that can be changed on a per-device basis.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -2687,6 +2687,7 @@ IWL3945_UCODE_GET(boot_size);
 static struct iwl_hcmd_ops iwl3945_hcmd = {
 	.rxon_assoc = iwl3945_send_rxon_assoc,
 	.commit_rxon = iwl3945_commit_rxon,
+	.send_bt_config = iwl_send_bt_config,
 };
 
 static struct iwl_ucode_ops iwl3945_ucode = {

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -2144,6 +2144,7 @@ static struct iwl_hcmd_ops iwl4965_hcmd = {
 	.rxon_assoc = iwl4965_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
 	.set_rxon_chain = iwl_set_rxon_chain,
+	.send_bt_config = iwl_send_bt_config,
 };
 
 static struct iwl_ucode_ops iwl4965_ucode = {

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

@@ -262,6 +262,7 @@ struct iwl_hcmd_ops iwlagn_hcmd = {
 	.commit_rxon = iwl_commit_rxon,
 	.set_rxon_chain = iwl_set_rxon_chain,
 	.set_tx_ant = iwlagn_send_tx_ant_config,
+	.send_bt_config = iwl_send_bt_config,
 };
 
 struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = {

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

@@ -2173,7 +2173,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	}
 
 	/* Configure Bluetooth device coexistence support */
-	iwl_send_bt_config(priv);
+	priv->cfg->ops->hcmd->send_bt_config(priv);
 
 	iwl_reset_run_time_calib(priv);
 

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

@@ -1479,7 +1479,7 @@ irqreturn_t iwl_isr_legacy(int irq, void *data)
 }
 EXPORT_SYMBOL(iwl_isr_legacy);
 
-int iwl_send_bt_config(struct iwl_priv *priv)
+void iwl_send_bt_config(struct iwl_priv *priv)
 {
 	struct iwl_bt_cmd bt_cmd = {
 		.lead_time = BT_LEAD_TIME_DEF,
@@ -1496,8 +1496,9 @@ int iwl_send_bt_config(struct iwl_priv *priv)
 	IWL_DEBUG_INFO(priv, "BT coex %s\n",
 		(bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active");
 
-	return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG,
-				sizeof(struct iwl_bt_cmd), &bt_cmd);
+	if (iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG,
+			     sizeof(struct iwl_bt_cmd), &bt_cmd))
+		IWL_ERR(priv, "failed to send BT Coex Config\n");
 }
 EXPORT_SYMBOL(iwl_send_bt_config);
 

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

@@ -90,6 +90,7 @@ struct iwl_hcmd_ops {
 	int (*commit_rxon)(struct iwl_priv *priv);
 	void (*set_rxon_chain)(struct iwl_priv *priv);
 	int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
+	void (*send_bt_config)(struct iwl_priv *priv);
 };
 
 struct iwl_hcmd_utils_ops {
@@ -677,7 +678,7 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 }
 
 extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
-extern int iwl_send_bt_config(struct iwl_priv *priv);
+extern void iwl_send_bt_config(struct iwl_priv *priv);
 extern int iwl_send_statistics_request(struct iwl_priv *priv,
 				       u8 flags, bool clear);
 extern int iwl_verify_ucode(struct iwl_priv *priv);

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -2526,7 +2526,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 	}
 
 	/* Configure Bluetooth device coexistence support */
-	iwl_send_bt_config(priv);
+	priv->cfg->ops->hcmd->send_bt_config(priv);
 
 	/* Configure the adapter for unassociated operation */
 	iwlcore_commit_rxon(priv);