From: Eytan Lifshitz <eytan.lifshitz@xxxxxxxxx>
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: Eytan Lifshitz <eytan.lifshitz@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/tt.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index cee4e72..39a3e03 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -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);
--
1.8.3.2
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