Revert "iwlwifi: implement fseq version mismatch warning"

This reverts commit f2e66c8d.

The firmware never implemented this, and they do not plan to.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/alive.h

@@ -8,6 +8,7 @@
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -30,6 +31,7 @@
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -187,20 +189,4 @@ struct iwl_card_state_notif {
 	__le32 flags;
 } __packed; /* CARD_STATE_NTFY_API_S_VER_1 */
 
-/**
- * struct iwl_fseq_ver_mismatch_nty - Notification about version
- *
- * This notification does not have a direct impact on the init flow.
- * It means that another core (not WiFi) has initiated the FSEQ flow
- * and updated the FSEQ version.  The driver only prints an error when
- * this occurs.
- *
- * @aux_read_fseq_ver: auxiliary read FSEQ version
- * @wifi_fseq_ver: FSEQ version (embedded in WiFi)
- */
-struct iwl_fseq_ver_mismatch_ntf {
-	__le32 aux_read_fseq_ver;
-	__le32 wifi_fseq_ver;
-} __packed; /* FSEQ_VER_MISMATCH_NTFY_API_S_VER_1 */
-
 #endif /* __iwl_fw_api_alive_h__ */

drivers/net/wireless/intel/iwlwifi/fw/api/commands.h

@@ -647,13 +647,6 @@ enum iwl_system_subcmd_ids {
 	 * @INIT_EXTENDED_CFG_CMD: &struct iwl_init_extended_cfg_cmd
 	 */
 	INIT_EXTENDED_CFG_CMD = 0x03,
-
-	/**
-	 * @FSEQ_VER_MISMATCH_NTF: Notification about fseq version
-	 *	mismatch during init.  The format is specified in
-	 *	&struct iwl_fseq_ver_mismatch_ntf.
-	 */
-	FSEQ_VER_MISMATCH_NTF = 0xFF,
 };
 
 #endif /* __iwl_fw_api_commands_h__ */

drivers/net/wireless/intel/iwlwifi/fw/common_rx.c

-/******************************************************************************
- *
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- *  Intel Linux Wireless <linuxwifi@intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- * BSD LICENSE
- *
- * Copyright(c) 2017 Intel Deutschland GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *  * Neither the name Intel Corporation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *****************************************************************************/
-#include "iwl-drv.h"
-#include "runtime.h"
-#include "fw/api/commands.h"
-#include "fw/api/alive.h"
-
-static void iwl_fwrt_fseq_ver_mismatch(struct iwl_fw_runtime *fwrt,
-				       struct iwl_rx_cmd_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	struct iwl_fseq_ver_mismatch_ntf *fseq = (void *)pkt->data;
-
-	IWL_ERR(fwrt, "FSEQ version mismatch (aux: %d, wifi: %d)\n",
-		__le32_to_cpu(fseq->aux_read_fseq_ver),
-		__le32_to_cpu(fseq->wifi_fseq_ver));
-}
-
-void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
-				  struct iwl_rx_cmd_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	u32 cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
-
-	switch (cmd) {
-	case WIDE_ID(SYSTEM_GROUP, FSEQ_VER_MISMATCH_NTF):
-		iwl_fwrt_fseq_ver_mismatch(fwrt, rxb);
-		break;
-	default:
-		break;
-	}
-}
-IWL_EXPORT_SYMBOL(iwl_fwrt_handle_notification);

drivers/net/wireless/intel/iwlwifi/fw/runtime.h

@@ -168,7 +168,4 @@ void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
 
 void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
 
-void iwl_fwrt_handle_notification(struct iwl_fw_runtime *fwrt,
-				  struct iwl_rx_cmd_buffer *rxb);
-
 #endif /* __iwl_fw_runtime_h__ */

drivers/net/wireless/intel/iwlwifi/mvm/ops.c

@@ -1013,10 +1013,8 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm,
 		list_add_tail(&entry->list, &mvm->async_handlers_list);
 		spin_unlock(&mvm->async_handlers_lock);
 		schedule_work(&mvm->async_handlers_wk);
-		return;
+		break;
 	}
-
-	iwl_fwrt_handle_notification(&mvm->fwrt, rxb);
 }
 
 static void iwl_mvm_rx(struct iwl_op_mode *op_mode,