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Commit 1b8ebbd3 authored by Eytan Lifshitz's avatar Eytan Lifshitz Committed by Emmanuel Grumbach
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iwlwifi: mvm: Fix tx-backoff when NIC exit thermal throttling 



When NIC is exiting from thermal throttling state (i.e. after
heating and then cooling down), tx-backoff values are assigned
to be zero, instead of being restored to the minimal value. Fixed.

Signed-off-by: default avatarEytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 19a04bdd

drivers/net/wireless/iwlwifi/mvm/tt.c

+4 −3
Original line number Diff line number Diff line
@@ -468,13 +468,14 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm) 
	}



	if (params->support_tx_backoff) {

		tx_backoff = 0;

		tx_backoff = tt->min_backoff;

		for (i = 0; i < TT_TX_BACKOFF_SIZE; i++) {

			if (temperature < params->tx_backoff[i].temperature)

				break;

			tx_backoff = params->tx_backoff[i].backoff;

			tx_backoff = max(tt->min_backoff,

					 params->tx_backoff[i].backoff);

		}

		if (tx_backoff != 0)

		if (tx_backoff != tt->min_backoff)

			throttle_enable = true;

		if (tt->tx_backoff != tx_backoff)

			iwl_mvm_tt_tx_backoff(mvm, tx_backoff);