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>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 3fcf489f3120f19db48f38d4eaf39baddd17ca70..79bdae994822844bcc07bb8b63b617f59982d042 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -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)