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iwlwifi: mvm: update the DTS measurement type

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Till now, the driver asked the fw for a DTS measurement in automatic
mode. This triggered a flow in which the fw actively measured the
temperature.  This is not needed anymore, as the fw performs
measurements by itself, without the driver triggering them, and the
current cadence in which the fw performs such measurements is
sufficient.

In addition, in some time-sensitive scenarios, in which the driver asks
the fw for an active measurement twice in a short time (<100ms), the fw
asserts with code 0x20100801.

Change the DTS measurement to _WITHOUT_MEASURE instead, so the fw will
respond with the last measurement it has performed.

Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Golan Ben Ami 2020-01-31 15:45:26 +02:00 committed by Kalle Valo
parent 197288d5ba
commit 6bd5fa332a
1 changed files with 3 additions and 3 deletions
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6
drivers/net/wireless/intel/iwlwifi/mvm/tt.c
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@ -8,7 +8,7 @@
* Copyright(c) 2013 - 2014, 2019 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* Copyright(c) 2019 Intel Corporation
* Copyright(c) 2019 - 2020 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
@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014, 2019 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* Copyright(c) 2019 Intel Corporation
* Copyright(c) 2019 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -234,7 +234,7 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
.flags = cpu_to_le32(DTS_TRIGGER_CMD_FLAGS_TEMP),
};
struct iwl_ext_dts_measurement_cmd extcmd = {
.control_mode = cpu_to_le32(DTS_AUTOMATIC),
.control_mode = cpu_to_le32(DTS_DIRECT_WITHOUT_MEASURE),
};
u32 cmdid;