From: Johannes Berg <johannes.berg@xxxxxxxxx> There's a hardware bug in Bz A-step that can be worked around by using 4k queue size, so do that. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/queue/tx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c index 42e631cc16e8..726185d6fab8 100644 --- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c @@ -1199,6 +1199,10 @@ int iwl_txq_dyn_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask, }; int ret; + if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_BZ && + trans->hw_rev_step == SILICON_A_STEP) + size = 4096; + txq = iwl_txq_dyn_alloc_dma(trans, size, timeout); if (IS_ERR(txq)) return PTR_ERR(txq); -- 2.35.1