linux-kernel - [PATCH 5.12 455/700] iwlwifi: increase PNVM load timeout

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Date:   Mon, 12 Jul 2021 08:08:58 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Luca Coelho <luciano.coelho@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 455/700] iwlwifi: increase PNVM load timeout

From: Luca Coelho <luciano.coelho@...el.com>

[ Upstream commit 5cc816ef9db1fe03f73e56e9d8f118add9c6efe4 ]

The FW has a watchdog of 200ms in the PNVM load flow, so the driver
should have a slightly higher timeout.  Change the timeout from 100ms
to 250ms.

Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Fixes: 70d3ca86b025 ("iwlwifi: mvm: ring the doorbell and wait for PNVM load completion")
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.ba22aec1e2be.I36bfadc28c480f4fc57266c075a79e8ea4a6934f@changeid
Signed-off-by: Luca Coelho <luciano.coelho@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/intel/iwlwifi/fw/pnvm.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
index e4f91bce222d..61d3d4e0b7d9 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /******************************************************************************
  *
- * Copyright(c) 2020 Intel Corporation
+ * Copyright(c) 2020-2021 Intel Corporation
  *
  *****************************************************************************/
 
@@ -10,7 +10,7 @@
 
 #include "fw/notif-wait.h"
 
-#define MVM_UCODE_PNVM_TIMEOUT	(HZ / 10)
+#define MVM_UCODE_PNVM_TIMEOUT	(HZ / 4)
 
 int iwl_pnvm_load(struct iwl_trans *trans,
 		  struct iwl_notif_wait_data *notif_wait);
-- 
2.30.2