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iwlwifi: d3: disable dbg recording before entering D3 

Currently the firmware does not stop recording debugging data when
entering D3 and this causes trouble (e.g. sporadic wake ups).

Fix that by stopping dbg recording when suspending.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2018-03-07 18:46:01 +02:00
parent 520f03eaaa
commit e8a583f9af
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
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@ -1037,6 +1037,13 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw,
cpu_to_le32(IWL_WAKEUP_D3_CONFIG_FW_ERROR);
#endif
/*
* TODO: this is needed because the firmware is not stopping
* the recording automatically before entering D3. This can
* be removed once the FW starts doing that.
*/
iwl_fw_dbg_stop_recording(&mvm->fwrt);
/* must be last -- this switches firmware state */
ret = iwl_mvm_send_cmd(mvm, &d3_cfg_cmd);
if (ret)