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iwlwifi: use 4k queue size for Bz A-step

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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 <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20220304131517.10ea0e115d05.Idfb3706133bf3b15f1f68f1145e77e89947449d1@changeid
Signed-off-by: Luca Coelho <[email protected]>
This commit is contained in:
Johannes Berg authored and Luca Coelho committed 2022-03-10 09:23:28 +02:00
1 parent 7b9f485091
commit bb16ffd561
1 file changed
+4
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drivers/net/wireless/intel/iwlwifi/queue/tx.c
+4
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@@ -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);